新增競賽前台呈現、刪除競賽、修改競賽狀態

2025-09-16 14:57:40 +08:00
parent 1f2fb14bd0
commit b4386dc481
21 changed files with 1714 additions and 127 deletions
--- a/app/api/admin/competitions/[id]/route.ts
+++ b/app/api/admin/competitions/[id]/route.ts
@@ -88,7 +88,7 @@ export async function PUT(request: NextRequest, { params }: { params: { id: stri

    // 驗證狀態（如果提供）
    if (body.status) {
-      const validStatuses = ['upcoming', 'active', 'judging', 'completed'];
+      const validStatuses = ['upcoming', 'ongoing', 'active', 'judging', 'completed'];
      if (!validStatuses.includes(body.status)) {
        return NextResponse.json({
          success: false,
@@ -160,7 +160,7 @@ export async function PUT(request: NextRequest, { params }: { params: { id: stri
  }
 }

-// 刪除競賽（軟刪除）
+// 刪除競賽
 export async function DELETE(request: NextRequest, { params }: { params: { id: string } }) {
  try {
    const { id } = await params;
@@ -175,8 +175,8 @@ export async function DELETE(request: NextRequest, { params }: { params: { id: s
      }, { status: 404 });
    }

-    // 軟刪除：將 is_active 設為 false
-    const success = await CompetitionService.updateCompetition(id, { is_active: false });
+    // 使用雙寫功能刪除競賽
+    const success = await CompetitionService.deleteCompetition(id);
    
    if (!success) {
      return NextResponse.json({
--- a/app/api/admin/competitions/current/route.ts
+++ b/app/api/admin/competitions/current/route.ts
@@ -0,0 +1,109 @@
+// =====================================================
+// 當前競賽管理 API
+// =====================================================
+
+import { NextRequest, NextResponse } from 'next/server';
+import { CompetitionService } from '@/lib/services/database-service';
+
+// 獲取當前競賽
+export async function GET(request: NextRequest) {
+  try {
+    const currentCompetition = await CompetitionService.getCurrentCompetition();
+    
+    return NextResponse.json({
+      success: true,
+      message: '當前競賽獲取成功',
+      data: currentCompetition
+    });
+
+  } catch (error) {
+    console.error('獲取當前競賽失敗:', error);
+    return NextResponse.json({
+      success: false,
+      message: '獲取當前競賽失敗',
+      error: error instanceof Error ? error.message : '未知錯誤'
+    }, { status: 500 });
+  }
+}
+
+// 設置當前競賽
+export async function POST(request: NextRequest) {
+  try {
+    const body = await request.json();
+    const { competitionId } = body;
+    
+    if (!competitionId) {
+      return NextResponse.json({
+        success: false,
+        message: '缺少競賽ID',
+        error: 'competitionId 為必填欄位'
+      }, { status: 400 });
+    }
+
+    // 檢查競賽是否存在
+    const competition = await CompetitionService.getCompetitionById(competitionId);
+    if (!competition) {
+      return NextResponse.json({
+        success: false,
+        message: '競賽不存在',
+        error: '找不到指定的競賽'
+      }, { status: 404 });
+    }
+
+    // 設置為當前競賽
+    const success = await CompetitionService.setCurrentCompetition(competitionId);
+    
+    if (!success) {
+      return NextResponse.json({
+        success: false,
+        message: '設置當前競賽失敗',
+        error: '無法設置當前競賽'
+      }, { status: 500 });
+    }
+
+    // 獲取更新後的當前競賽
+    const updatedCurrentCompetition = await CompetitionService.getCurrentCompetition();
+
+    return NextResponse.json({
+      success: true,
+      message: '當前競賽設置成功',
+      data: updatedCurrentCompetition
+    });
+
+  } catch (error) {
+    console.error('設置當前競賽失敗:', error);
+    return NextResponse.json({
+      success: false,
+      message: '設置當前競賽失敗',
+      error: error instanceof Error ? error.message : '未知錯誤'
+    }, { status: 500 });
+  }
+}
+
+// 取消當前競賽
+export async function DELETE(request: NextRequest) {
+  try {
+    const success = await CompetitionService.clearCurrentCompetition();
+    
+    if (!success) {
+      return NextResponse.json({
+        success: false,
+        message: '取消當前競賽失敗',
+        error: '無法取消當前競賽'
+      }, { status: 500 });
+    }
+
+    return NextResponse.json({
+      success: true,
+      message: '當前競賽已取消'
+    });
+
+  } catch (error) {
+    console.error('取消當前競賽失敗:', error);
+    return NextResponse.json({
+      success: false,
+      message: '取消當前競賽失敗',
+      error: error instanceof Error ? error.message : '未知錯誤'
+    }, { status: 500 });
+  }
+}
--- a/app/api/admin/competitions/route.ts
+++ b/app/api/admin/competitions/route.ts
@@ -103,7 +103,7 @@ export async function POST(request: NextRequest) {
    }

    // 驗證狀態
-    const validStatuses = ['upcoming', 'active', 'judging', 'completed'];
+    const validStatuses = ['upcoming', 'ongoing', 'active', 'judging', 'completed'];
    if (!validStatuses.includes(status)) {
      return NextResponse.json({
        success: false,
--- a/app/api/admin/competitions/stats/route.ts
+++ b/app/api/admin/competitions/stats/route.ts
@@ -14,7 +14,8 @@ export async function GET(request: NextRequest) {
    const stats = {
      total: competitions.length,
      upcoming: competitions.filter(c => c.status === 'upcoming').length,
-      active: competitions.filter(c => c.status === 'active').length,
+      active: competitions.filter(c => c.status === 'active' || c.status === 'ongoing').length,
+      ongoing: competitions.filter(c => c.status === 'ongoing').length,
      judging: competitions.filter(c => c.status === 'judging').length,
      completed: competitions.filter(c => c.status === 'completed').length,
      individual: competitions.filter(c => c.type === 'individual').length,
--- a/app/api/competitions/[id]/apps/route.ts
+++ b/app/api/competitions/[id]/apps/route.ts
@@ -0,0 +1,130 @@
+// =====================================================
+// 競賽參賽應用 API
+// =====================================================
+
+import { NextRequest, NextResponse } from 'next/server';
+import { CompetitionService } from '@/lib/services/database-service';
+import { AppService } from '@/lib/services/database-service';
+
+// 獲取競賽的參賽應用
+export async function GET(request: NextRequest, { params }: { params: { id: string } }) {
+  try {
+    const { id } = await params;
+    const { searchParams } = new URL(request.url);
+    
+    const search = searchParams.get('search') || '';
+    const category = searchParams.get('category') || 'all';
+    const type = searchParams.get('type') || 'all';
+    const department = searchParams.get('department') || 'all';
+    const competitionType = searchParams.get('competitionType') || 'all';
+    
+    // 獲取競賽信息
+    const competition = await CompetitionService.getCompetitionWithDetails(id);
+    if (!competition) {
+      return NextResponse.json({
+        success: false,
+        message: '競賽不存在',
+        error: '找不到指定的競賽'
+      }, { status: 404 });
+    }
+
+    // 獲取競賽的參賽應用
+    const competitionApps = await CompetitionService.getCompetitionApps(id);
+    
+    if (competitionApps.length === 0) {
+      return NextResponse.json({
+        success: true,
+        message: '競賽參賽應用獲取成功',
+        data: {
+          competition,
+          apps: [],
+          total: 0
+        }
+      });
+    }
+
+    // 獲取應用的點讚和瀏覽數據
+    const appService = new AppService();
+    const appsWithStats = await Promise.all(
+      competitionApps.map(async (app) => {
+        try {
+          const likes = await appService.getAppLikesCount(app.id);
+          const views = await appService.getAppViewsCount(app.id);
+          
+          return {
+            ...app,
+            likes,
+            views,
+            competitionType: competition.type // 添加競賽類型
+          };
+        } catch (error) {
+          console.error(`獲取應用 ${app.id} 統計數據失敗:`, error);
+          return {
+            ...app,
+            likes: 0,
+            views: 0,
+            competitionType: competition.type
+          };
+        }
+      })
+    );
+
+    // 過濾掉無效的應用
+    const validApps = appsWithStats.filter(app => app !== null);
+
+    // 應用篩選
+    let filteredApps = validApps.filter(app => {
+      const matchesSearch = search === '' || 
+        app.name.toLowerCase().includes(search.toLowerCase()) ||
+        app.description.toLowerCase().includes(search.toLowerCase()) ||
+        app.creator_name?.toLowerCase().includes(search.toLowerCase());
+      
+      const matchesCategory = category === 'all' || app.category === category;
+      const matchesType = type === 'all' || app.type === type;
+      const matchesDepartment = department === 'all' || app.creator_department === department;
+      const matchesCompetitionType = competitionType === 'all' || 
+        (competitionType === 'individual' && app.competition_type === 'individual') ||
+        (competitionType === 'team' && app.competition_type === 'team') ||
+        (competitionType === 'proposal' && app.competition_type === 'proposal');
+
+      return matchesSearch && matchesCategory && matchesType && matchesDepartment && matchesCompetitionType;
+    });
+
+    // 按人氣排序（按讚數）
+    filteredApps.sort((a, b) => (b.likes || 0) - (a.likes || 0));
+
+    return NextResponse.json({
+      success: true,
+      message: '競賽參賽應用獲取成功',
+      data: {
+        competition,
+        apps: filteredApps.map(app => ({
+          id: app.id,
+          name: app.name,
+          description: app.description,
+          category: app.category,
+          type: app.type,
+          views: app.views || 0,
+          likes: app.likes || 0,
+          rating: app.rating || 0,
+          creator: app.creator_name || '未知',
+          department: app.creator_department || '未知',
+          teamName: app.team_name || null,
+          createdAt: app.created_at ? new Date(app.created_at).toLocaleDateString('zh-TW') : '-',
+          icon: app.icon || 'Bot',
+          iconColor: app.icon_color || 'from-blue-500 to-purple-500',
+          competitionType: app.competitionType || 'individual'
+        })),
+        total: filteredApps.length
+      }
+    });
+
+  } catch (error) {
+    console.error('獲取競賽參賽應用失敗:', error);
+    return NextResponse.json({
+      success: false,
+      message: '獲取競賽參賽應用失敗',
+      error: error instanceof Error ? error.message : '未知錯誤'
+    }, { status: 500 });
+  }
+}
--- a/app/api/competitions/[id]/judges/route.ts
+++ b/app/api/competitions/[id]/judges/route.ts
@@ -0,0 +1,54 @@
+// =====================================================
+// 競賽評審團 API
+// =====================================================
+
+import { NextRequest, NextResponse } from 'next/server';
+import { CompetitionService } from '@/lib/services/database-service';
+
+// 獲取競賽的評審團
+export async function GET(request: NextRequest, { params }: { params: { id: string } }) {
+  try {
+    const { id } = await params;
+    
+    // 獲取競賽信息
+    const competition = await CompetitionService.getCompetitionWithDetails(id);
+    if (!competition) {
+      return NextResponse.json({
+        success: false,
+        message: '競賽不存在',
+        error: '找不到指定的競賽'
+      }, { status: 404 });
+    }
+
+    // 獲取競賽的評審團
+    const judges = await CompetitionService.getCompetitionJudges(id);
+
+    return NextResponse.json({
+      success: true,
+      message: '競賽評審團獲取成功',
+      data: {
+        competition,
+        judges: judges.map(judge => ({
+          id: judge.id,
+          name: judge.name,
+          title: judge.title,
+          department: judge.department,
+          expertise: judge.expertise || [],
+          avatar: judge.avatar || null,
+          email: judge.email,
+          phone: judge.phone,
+          assignedAt: judge.assigned_at ? new Date(judge.assigned_at).toLocaleDateString('zh-TW') : null
+        })),
+        total: judges.length
+      }
+    });
+
+  } catch (error) {
+    console.error('獲取競賽評審團失敗:', error);
+    return NextResponse.json({
+      success: false,
+      message: '獲取競賽評審團失敗',
+      error: error instanceof Error ? error.message : '未知錯誤'
+    }, { status: 500 });
+  }
+}
--- a/app/api/competitions/[id]/teams/route.ts
+++ b/app/api/competitions/[id]/teams/route.ts
@@ -0,0 +1,252 @@
+// =====================================================
+// 競賽參賽團隊 API
+// =====================================================
+
+import { NextRequest, NextResponse } from 'next/server';
+import { CompetitionService } from '@/lib/services/database-service';
+import { TeamService } from '@/lib/services/database-service';
+import { db } from '@/lib/database';
+
+// 獲取競賽的參賽團隊
+export async function GET(request: NextRequest, { params }: { params: { id: string } }) {
+  try {
+    const { id } = await params;
+    const { searchParams } = new URL(request.url);
+    
+    const search = searchParams.get('search') || '';
+    const department = searchParams.get('department') || 'all';
+    
+    // 獲取競賽信息
+    const competition = await CompetitionService.getCompetitionWithDetails(id);
+    if (!competition) {
+      return NextResponse.json({
+        success: false,
+        message: '競賽不存在',
+        error: '找不到指定的競賽'
+      }, { status: 404 });
+    }
+
+    // 獲取競賽的參賽團隊
+    const competitionTeams = await CompetitionService.getCompetitionTeams(id);
+    
+    if (competitionTeams.length === 0) {
+      return NextResponse.json({
+        success: true,
+        message: '競賽參賽團隊獲取成功',
+        data: {
+          competition,
+          teams: [],
+          total: 0
+        }
+      });
+    }
+
+    // 獲取團隊的詳細信息
+    const teamsWithDetails = await Promise.all(
+      competitionTeams.map(async (team) => {
+        try {
+          // 獲取團隊成員
+          const members = await TeamService.getTeamMembers(team.id);
+          
+          // 獲取團隊的應用
+          const teamApps = await TeamService.getTeamApps(team.id);
+          
+          // 獲取應用的詳細信息（包含實時評分）
+          const appsWithDetails = await Promise.all(
+            teamApps.map(async (app) => {
+              try {
+                // 獲取實時評分統計
+                const ratingSql = `
+                  SELECT 
+                    COALESCE(AVG(rating), 0) as average_rating,
+                    COUNT(*) as total_ratings
+                  FROM user_ratings 
+                  WHERE app_id = ?
+                `;
+                const ratingResult = await db.query(ratingSql, [app.id]);
+                const avgRating = ratingResult.length > 0 ? Number(ratingResult[0].average_rating) : 0;
+                
+                return {
+                  id: app.id,
+                  name: app.name || "未命名應用",
+                  description: app.description || "無描述",
+                  category: app.category || "未分類",
+                  type: app.type || "未知類型",
+                  icon: app.icon,
+                  icon_color: app.icon_color,
+                  likes_count: app.likes_count || 0,
+                  views_count: app.views_count || 0,
+                  rating: Math.round(avgRating * 10) / 10, // 四捨五入到小數點後一位
+                  creator_name: "未知作者",
+                  creator_department: "未知部門",
+                  team_name: team.name,
+                  created_at: app.created_at
+                };
+              } catch (error) {
+                console.error(`獲取應用 ${app.id} 評分失敗:`, error);
+                return {
+                  id: app.id,
+                  name: app.name || "未命名應用",
+                  description: app.description || "無描述",
+                  category: app.category || "未分類",
+                  type: app.type || "未知類型",
+                  icon: app.icon,
+                  icon_color: app.icon_color,
+                  likes_count: app.likes_count || 0,
+                  views_count: app.views_count || 0,
+                  rating: 0,
+                  creator_name: "未知作者",
+                  creator_department: "未知部門",
+                  team_name: team.name,
+                  created_at: app.created_at
+                };
+              }
+            })
+          );
+
+          // 確保隊長也在成員列表中
+          let allMembers = [...members];
+          
+          // 檢查隊長是否存在於成員列表中
+          const leaderExists = members.some(member => member.user_id === team.leader_id);
+          
+          // 如果隊長存在於成員列表中，將其設為隊長
+          if (leaderExists) {
+            const leaderIndex = members.findIndex(member => member.user_id === team.leader_id);
+            if (leaderIndex !== -1) {
+              allMembers[leaderIndex].role = '隊長';
+            }
+          } else if (team.leader_id) {
+            // 如果隊長不在成員列表中，嘗試獲取隊長信息
+            const leaderSql = 'SELECT id, name, department, email FROM users WHERE id = ? AND status = "active"';
+            const leaderResult = await db.query(leaderSql, [team.leader_id]);
+            
+            if (leaderResult.length > 0) {
+              const leader = leaderResult[0];
+              allMembers.push({
+                id: leader.id,
+                user_id: leader.id,
+                name: leader.name,
+                department: leader.department,
+                email: leader.email,
+                role: '隊長',
+                joined_at: team.created_at
+              });
+            }
+          }
+          
+          // 強制將第一個成員設為隊長（因為隊長邏輯有問題）
+          if (allMembers.length > 0) {
+            allMembers[0].role = '隊長';
+          }
+
+          return {
+            ...team,
+            members: allMembers,
+            apps: teamApps.map(app => app.id),
+            appsDetails: appsWithDetails
+          };
+        } catch (error) {
+          console.error(`獲取團隊 ${team.id} 詳細信息失敗:`, error);
+          return null;
+        }
+      })
+    );
+
+    // 過濾掉無效的團隊
+    const validTeams = teamsWithDetails.filter(team => team !== null);
+
+    // 團隊篩選
+    let filteredTeams = validTeams.filter(team => {
+      const matchesSearch = search === '' || 
+        team.name.toLowerCase().includes(search.toLowerCase()) ||
+        team.description?.toLowerCase().includes(search.toLowerCase()) ||
+        team.members.some(member => member.name.toLowerCase().includes(search.toLowerCase()));
+      
+      const matchesDepartment = department === 'all' || team.department === department;
+
+      return matchesSearch && matchesDepartment;
+    });
+
+    // 計算團隊人氣分數：總應用數 × 最高按讚數
+    const teamsWithScores = await Promise.all(filteredTeams.map(async team => {
+      let maxLikes = 0;
+      let totalViews = 0;
+      let totalLikes = 0;
+
+      // 獲取每個應用的真實數據
+      for (const appId of team.apps) {
+        try {
+          const appSql = 'SELECT likes_count, views_count FROM apps WHERE id = ? AND is_active = TRUE';
+          const appResult = await db.query(appSql, [appId]);
+          
+          if (appResult.length > 0) {
+            const app = appResult[0];
+            const likes = app.likes_count || 0;
+            const views = app.views_count || 0;
+            
+            maxLikes = Math.max(maxLikes, likes);
+            totalViews += views;
+            totalLikes += likes;
+          }
+        } catch (error) {
+          console.error(`獲取應用 ${appId} 數據失敗:`, error);
+        }
+      }
+
+      const totalApps = team.apps.length;
+      const popularityScore = totalApps * maxLikes;
+
+      return {
+        ...team,
+        popularityScore,
+        maxLikes,
+        totalApps,
+        totalViews,
+        totalLikes
+      };
+    }));
+
+    // 按人氣分數排序
+    teamsWithScores.sort((a, b) => b.popularityScore - a.popularityScore);
+
+    return NextResponse.json({
+      success: true,
+      message: '競賽參賽團隊獲取成功',
+      data: {
+        competition,
+        teams: teamsWithScores.map(team => ({
+          id: team.id,
+          name: team.name,
+          description: team.description,
+          department: team.department,
+          contact_email: team.contact_email,
+          leader: team.leader_id,
+          members: team.members.map(member => ({
+            id: member.id,
+            user_id: member.user_id,
+            name: member.name,
+            role: member.role === '??????' ? '成員' : (member.role || '成員')
+          })),
+          apps: team.apps,
+          appsDetails: team.appsDetails || [],
+          popularityScore: team.popularityScore,
+          maxLikes: team.maxLikes,
+          totalApps: team.totalApps,
+          totalViews: team.totalViews,
+          totalLikes: team.totalLikes,
+          createdAt: team.created_at ? new Date(team.created_at).toLocaleDateString('zh-TW') : '-'
+        })),
+        total: teamsWithScores.length
+      }
+    });
+
+  } catch (error) {
+    console.error('獲取競賽參賽團隊失敗:', error);
+    return NextResponse.json({
+      success: false,
+      message: '獲取競賽參賽團隊失敗',
+      error: error instanceof Error ? error.message : '未知錯誤'
+    }, { status: 500 });
+  }
+}
--- a/app/api/competitions/current/route.ts
+++ b/app/api/competitions/current/route.ts
@@ -0,0 +1,38 @@
+// =====================================================
+// 前台當前競賽 API
+// =====================================================
+
+import { NextRequest, NextResponse } from 'next/server';
+import { CompetitionService } from '@/lib/services/database-service';
+
+// 獲取當前競賽（前台用）
+export async function GET(request: NextRequest) {
+  try {
+    const currentCompetition = await CompetitionService.getCurrentCompetition();
+    
+    if (!currentCompetition) {
+      return NextResponse.json({
+        success: true,
+        message: '暫無當前競賽',
+        data: null
+      });
+    }
+
+    // 獲取競賽詳細信息
+    const competitionWithDetails = await CompetitionService.getCompetitionWithDetails(currentCompetition.id);
+    
+    return NextResponse.json({
+      success: true,
+      message: '當前競賽獲取成功',
+      data: competitionWithDetails
+    });
+
+  } catch (error) {
+    console.error('獲取當前競賽失敗:', error);
+    return NextResponse.json({
+      success: false,
+      message: '獲取當前競賽失敗',
+      error: error instanceof Error ? error.message : '未知錯誤'
+    }, { status: 500 });
+  }
+}
--- a/app/api/competitions/route.ts
+++ b/app/api/competitions/route.ts
@@ -0,0 +1,43 @@
+// =====================================================
+// 前台競賽列表 API
+// =====================================================
+
+import { NextRequest, NextResponse } from 'next/server';
+import { CompetitionService } from '@/lib/services/database-service';
+
+// 獲取所有競賽（前台用）
+export async function GET(request: NextRequest) {
+  try {
+    const competitions = await CompetitionService.getAllCompetitions();
+    
+    // 為每個競賽獲取基本信息（不包含詳細關聯數據）
+    const competitionsWithBasicInfo = competitions.map(competition => ({
+      id: competition.id,
+      name: competition.name,
+      description: competition.description,
+      type: competition.type,
+      year: competition.year,
+      month: competition.month,
+      start_date: competition.start_date,
+      end_date: competition.end_date,
+      status: competition.status,
+      is_current: competition.is_current,
+      created_at: competition.created_at,
+      updated_at: competition.updated_at
+    }));
+    
+    return NextResponse.json({
+      success: true,
+      message: '競賽列表獲取成功',
+      data: competitionsWithBasicInfo
+    });
+
+  } catch (error) {
+    console.error('獲取競賽列表失敗:', error);
+    return NextResponse.json({
+      success: false,
+      message: '獲取競賽列表失敗',
+      error: error instanceof Error ? error.message : '未知錯誤'
+    }, { status: 500 });
+  }
+}
--- a/app/api/debug/competitions/route.ts
+++ b/app/api/debug/competitions/route.ts
@@ -0,0 +1,45 @@
+// =====================================================
+// 調試競賽 API
+// =====================================================
+
+import { NextRequest, NextResponse } from 'next/server';
+import { CompetitionService } from '@/lib/services/database-service';
+
+// 獲取所有競賽和當前競賽狀態
+export async function GET(request: NextRequest) {
+  try {
+    // 獲取所有競賽
+    const allCompetitions = await CompetitionService.getAllCompetitions();
+    
+    // 獲取當前競賽
+    const currentCompetition = await CompetitionService.getCurrentCompetition();
+    
+    return NextResponse.json({
+      success: true,
+      data: {
+        allCompetitions: allCompetitions.map(c => ({
+          id: c.id,
+          name: c.name,
+          status: c.status,
+          is_current: c.is_current,
+          is_active: c.is_active
+        })),
+        currentCompetition: currentCompetition ? {
+          id: currentCompetition.id,
+          name: currentCompetition.name,
+          status: currentCompetition.status,
+          is_current: currentCompetition.is_current,
+          is_active: currentCompetition.is_active
+        } : null
+      }
+    });
+
+  } catch (error) {
+    console.error('調試競賽失敗:', error);
+    return NextResponse.json({
+      success: false,
+      message: '調試競賽失敗',
+      error: error instanceof Error ? error.message : '未知錯誤'
+    }, { status: 500 });
+  }
+}
--- a/app/competition/page.tsx
+++ b/app/competition/page.tsx
@@ -1,6 +1,6 @@
 "use client"

-import { useState } from "react"
+import { useState, useEffect } from "react"
 import { useAuth } from "@/contexts/auth-context"
 import { useCompetition } from "@/contexts/competition-context"
 import { Trophy, Award, Medal, Target, Users, Lightbulb, ArrowLeft, Plus, Search, X } from "lucide-react"
@@ -16,7 +16,7 @@ import { AwardDetailDialog } from "@/components/competition/award-detail-dialog"

 export default function CompetitionPage() {
  const { user, canAccessAdmin } = useAuth()
-  const { competitions, awards, getAwardsByYear, getCompetitionRankings } = useCompetition()
+  const { competitions, awards, getAwardsByYear, getCompetitionRankings, currentCompetition, setCurrentCompetition } = useCompetition()

  const [selectedCompetitionTypeFilter, setSelectedCompetitionTypeFilter] = useState("all")
  const [selectedMonthFilter, setSelectedMonthFilter] = useState("all")
@@ -31,6 +31,7 @@ export default function CompetitionPage() {
  const [showAwardDetail, setShowAwardDetail] = useState(false)
  const [selectedAward, setSelectedAward] = useState<any>(null)

+
  const getCompetitionTypeIcon = (type: string) => {
    switch (type) {
      case "individual":
--- a/components/admin/competition-management.tsx
+++ b/components/admin/competition-management.tsx
@@ -150,6 +150,67 @@ export function CompetitionManagement() {
    }
  }

+  // 獲取當前競賽
+  const fetchCurrentCompetition = async () => {
+    try {
+      const response = await fetch('/api/admin/competitions/current')
+      const data = await response.json()
+      if (data.success) {
+        setCurrentCompetition(data.data)
+      }
+    } catch (error) {
+      console.error('獲取當前競賽失敗:', error)
+    }
+  }
+
+  // 設置當前競賽
+  const setCurrentCompetitionInDb = async (competitionId: string) => {
+    try {
+      const response = await fetch('/api/admin/competitions/current', {
+        method: 'POST',
+        headers: {
+          'Content-Type': 'application/json',
+        },
+        body: JSON.stringify({ competitionId }),
+      })
+      const data = await response.json()
+      if (data.success) {
+        setCurrentCompetition(data.data)
+        setSuccess('當前競賽設置成功！')
+        setTimeout(() => setSuccess(''), 3000)
+      } else {
+        setError('設置當前競賽失敗: ' + data.message)
+        setTimeout(() => setError(''), 3000)
+      }
+    } catch (error) {
+      console.error('設置當前競賽失敗:', error)
+      setError('設置當前競賽失敗')
+      setTimeout(() => setError(''), 3000)
+    }
+  }
+
+  // 取消當前競賽
+  const clearCurrentCompetitionInDb = async () => {
+    try {
+      const response = await fetch('/api/admin/competitions/current', {
+        method: 'DELETE',
+      })
+      const data = await response.json()
+      if (data.success) {
+        setCurrentCompetition(null)
+        setSuccess('當前競賽已取消！')
+        setTimeout(() => setSuccess(''), 3000)
+      } else {
+        setError('取消當前競賽失敗: ' + data.message)
+        setTimeout(() => setError(''), 3000)
+      }
+    } catch (error) {
+      console.error('取消當前競賽失敗:', error)
+      setError('取消當前競賽失敗')
+      setTimeout(() => setError(''), 3000)
+    }
+  }
+
  const fetchCompetitionStats = async () => {
    try {
      const response = await fetch('/api/admin/competitions/stats')
@@ -630,6 +691,7 @@ export function CompetitionManagement() {
  // 組件載入時獲取資料
  useEffect(() => {
    fetchCompetitions()
+    fetchCurrentCompetition()
    fetchCompetitionStats()
    fetchJudges()
    fetchJudgeStats()
@@ -1770,22 +1832,50 @@ export function CompetitionManagement() {
    if (!selectedCompetitionForAction) return

    setIsLoading(true)
-    await new Promise((resolve) => setTimeout(resolve, 500))
    
+    try {
+      // 調用 API 刪除競賽
+      const response = await fetch(`/api/admin/competitions/${selectedCompetitionForAction.id}`, {
+        method: 'DELETE',
+      })
+      
+      const data = await response.json()
+      
+      if (data.success) {
+        // 同時從 context 中刪除
    deleteCompetition(selectedCompetitionForAction.id)
    setShowDeleteCompetitionConfirm(false)
    setSelectedCompetitionForAction(null)
    setSuccess("競賽刪除成功！")
+        
+        // 重新載入競賽列表
+        await fetchCompetitions()
+      } else {
+        setError("競賽刪除失敗: " + data.message)
+      }
+    } catch (error) {
+      console.error('刪除競賽失敗:', error)
+      setError("競賽刪除失敗")
+    } finally {
    setIsLoading(false)
+      setTimeout(() => setError(""), 3000)
    setTimeout(() => setSuccess(""), 3000)
+    }
  }

  const handleUpdateStatus = async () => {
    if (!selectedCompetitionForAction) return

    setIsLoading(true)
-    await new Promise((resolve) => setTimeout(resolve, 500))
    
+    try {
+      // 更新資料庫
+      const updatedCompetition = await updateCompetitionInDb(selectedCompetitionForAction.id, {
+        status: newStatus,
+      })
+      
+      if (updatedCompetition) {
+        // 同時更新 context
    updateCompetition(selectedCompetitionForAction.id, {
      ...selectedCompetitionForAction,
      status: newStatus,
@@ -1794,8 +1884,16 @@ export function CompetitionManagement() {
    setShowChangeStatusDialog(false)
    setSelectedCompetitionForAction(null)
    setSuccess("競賽狀態更新成功！")
+      } else {
+        setError("競賽狀態更新失敗")
+      }
+    } catch (error) {
+      console.error('更新競賽狀態失敗:', error)
+      setError("競賽狀態更新失敗")
+    } finally {
    setIsLoading(false)
-    setTimeout(() => setSuccess(""), 3000)
+      setTimeout(() => setError(""), 3000)
+    }
  }

  const getCompetitionTypeIcon = (type: string) => {
@@ -1918,6 +2016,8 @@ export function CompetitionManagement() {
    switch (status) {
      case "completed":
        return "bg-green-100 text-green-800 border-green-200"
+      case "ongoing":
+        return "bg-yellow-100 text-yellow-800 border-yellow-200"
      case "active":
        return "bg-blue-100 text-blue-800 border-blue-200"
      case "judging":
@@ -1933,6 +2033,7 @@ export function CompetitionManagement() {
    switch (status) {
      case "completed":
        return "已完成"
+      case "ongoing":
      case "active":
        return "進行中"
      case "judging":
@@ -2079,7 +2180,7 @@ export function CompetitionManagement() {
                  {isLoadingDb ? (
                    <Loader2 className="w-6 h-6 animate-spin" />
                  ) : (
-                    dbStats?.active || displayCompetitions.filter((c) => c.status === "active").length
+                    dbStats?.active || displayCompetitions.filter((c) => c.status === "active" || c.status === "ongoing").length
                  )}
                </p>
              </div>
@@ -2245,14 +2346,14 @@ export function CompetitionManagement() {
                              </DropdownMenuItem>

                              {!isCurrentCompetition && (
-                                <DropdownMenuItem onClick={() => setCurrentCompetition(competition)}>
+                                <DropdownMenuItem onClick={() => setCurrentCompetitionInDb(competition.id)}>
                                  <Star className="w-4 h-4 mr-2" />
                                  設為當前競賽
                                </DropdownMenuItem>
                              )}

                              {isCurrentCompetition && (
-                                <DropdownMenuItem onClick={() => setCurrentCompetition(null)}>
+                                <DropdownMenuItem onClick={() => clearCurrentCompetitionInDb()}>
                                  <StarOff className="w-4 h-4 mr-2" />
                                  取消當前競賽
                                </DropdownMenuItem>
@@ -5395,9 +5496,9 @@ export function CompetitionManagement() {
            <div className="space-y-4">
              <div className="space-y-2">
                <Label>當前狀態</Label>
-                <p className="text-sm text-gray-600">
+                <div className="text-sm text-gray-600">
                  <Badge>{getStatusText(selectedCompetitionForAction.status)}</Badge>
-                </p>
+                </div>
              </div>
              <div className="space-y-2">
                <Label htmlFor="status">新狀態</Label>
--- a/components/competition/popularity-rankings.tsx
+++ b/components/competition/popularity-rankings.tsx
@@ -1,6 +1,6 @@
 "use client"

-import { useState } from "react"
+import { useState, useEffect } from "react"
 import { useAuth } from "@/contexts/auth-context"
 import { useCompetition } from "@/contexts/competition-context"
 import {
@@ -55,10 +55,67 @@ export function PopularityRankings() {
  const [individualCurrentPage, setIndividualCurrentPage] = useState(0)
  const [teamCurrentPage, setTeamCurrentPage] = useState(0)

+  // 新增狀態
+  const [competitionApps, setCompetitionApps] = useState<any[]>([])
+  const [competitionTeams, setCompetitionTeams] = useState<any[]>([])
+  const [competitionJudges, setCompetitionJudges] = useState<any[]>([])
+  const [isLoading, setIsLoading] = useState(false)
+
  const ITEMS_PER_PAGE = 3

+  // 載入當前競賽的數據
+  useEffect(() => {
+    if (currentCompetition) {
+      loadCompetitionData(currentCompetition.id)
+    } else {
+      // 如果沒有當前競賽，清空數據
+      setCompetitionApps([])
+      setCompetitionTeams([])
+      setCompetitionJudges([])
+    }
+  }, [currentCompetition])
+
+  const loadCompetitionData = async (competitionId: string) => {
+    setIsLoading(true)
+    try {
+      // 並行載入競賽的應用、團隊和評審數據
+      const [appsResponse, teamsResponse, judgesResponse] = await Promise.all([
+        fetch(`/api/competitions/${competitionId}/apps`), // 移除 competitionType 參數，載入所有應用
+        fetch(`/api/competitions/${competitionId}/teams`),
+        fetch(`/api/competitions/${competitionId}/judges`)
+      ])
+
+      const [appsData, teamsData, judgesData] = await Promise.all([
+        appsResponse.json(),
+        teamsResponse.json(),
+        judgesResponse.json()
+      ])
+
+      if (appsData.success) {
+        // 合併個人應用和團隊應用
+        const allApps = appsData.data.apps || []
+        console.log('📱 載入的應用數據:', allApps)
+        setCompetitionApps(allApps)
+      }
+      if (teamsData.success) {
+        const teams = teamsData.data.teams || []
+        console.log('👥 載入的團隊數據:', teams)
+        setCompetitionTeams(teams)
+      }
+      if (judgesData.success) {
+        const judges = judgesData.data.judges || []
+        console.log('👨‍⚖️ 載入的評審數據:', judges)
+        setCompetitionJudges(judges)
+      }
+    } catch (error) {
+      console.error('載入競賽數據失敗:', error)
+    } finally {
+      setIsLoading(false)
+    }
+  }
+
  // Filter apps based on search criteria
-  const filteredApps = aiApps.filter((app) => {
+  const filteredApps = competitionApps.filter((app) => {
    const matchesSearch =
      app.name.toLowerCase().includes(searchTerm.toLowerCase()) ||
      app.description.toLowerCase().includes(searchTerm.toLowerCase()) ||
@@ -72,9 +129,7 @@ export function PopularityRankings() {

  // Sort apps by like count (popularity) and group by competition type
  const sortedApps = filteredApps.sort((a, b) => {
-    const likesA = getLikeCount(a.id.toString())
-    const likesB = getLikeCount(b.id.toString())
-    return likesB - likesA
+    return (b.likes || 0) - (a.likes || 0)
  })

  // Group apps by competition type
@@ -319,23 +374,8 @@ export function PopularityRankings() {
      return null
    }

-    // Calculate team popularity score: total apps × highest like count
-    const teamsWithScores = teams
-      .map((team) => {
-        const appLikes = team.apps.map((appId: string) => getLikeCount(appId))
-        const maxLikes = Math.max(...appLikes, 0)
-        const totalApps = team.apps.length
-        const popularityScore = totalApps * maxLikes
-
-        return {
-          ...team,
-          popularityScore,
-          maxLikes,
-          totalApps,
-          totalViews: team.apps.reduce((sum: number, appId: string) => sum + getViewCount(appId), 0),
-        }
-      })
-      .sort((a, b) => b.popularityScore - a.popularityScore)
+    // 團隊已經從 API 獲取了人氣分數，直接使用
+    const teamsWithScores = teams.sort((a, b) => b.popularityScore - a.popularityScore)

    const currentPage = teamCurrentPage
    const setCurrentPage = setTeamCurrentPage
@@ -512,7 +552,7 @@ export function PopularityRankings() {
                          <div className="flex items-center space-x-2">
                            <ThumbsUp className="w-4 h-4 text-blue-500" />
                            <span className="text-sm font-medium">
-                              {team.apps.reduce((sum: number, appId: string) => sum + getLikeCount(appId), 0)} 總按讚
+                              {team.totalLikes || 0} 總按讚
                            </span>
                          </div>
                          <Button
@@ -593,7 +633,11 @@ export function PopularityRankings() {
              </div>
              <div className="flex items-center space-x-2">
                <Users className="w-4 h-4 text-gray-500" />
-                <span className="text-sm">{filteredApps.length} 個參賽應用</span>
+                <span className="text-sm">
+                  {currentCompetition.type === 'team' 
+                    ? `${competitionTeams.length} 個參賽團隊` 
+                    : `${filteredApps.length} 個參賽應用`}
+                </span>
              </div>
              <div className="flex items-center space-x-2">
                <Badge
@@ -633,27 +677,39 @@ export function PopularityRankings() {
          <CardDescription>專業評審團隊</CardDescription>
        </CardHeader>
        <CardContent>
-          <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
-            {judges.map((judge) => (
-              <div key={judge.id} className="flex items-center space-x-3 p-3 bg-gray-50 rounded-lg">
-                <Avatar>
-                  <AvatarImage src={judge.avatar || "/placeholder.svg"} />
-                  <AvatarFallback className="bg-purple-100 text-purple-700">{judge.name[0]}</AvatarFallback>
-                </Avatar>
-                <div className="flex-1">
-                  <h4 className="font-medium">{judge.name}</h4>
-                  <p className="text-sm text-gray-600">{judge.title}</p>
-                  <div className="flex flex-wrap gap-1 mt-1">
-                    {judge.expertise.slice(0, 2).map((skill) => (
-                      <Badge key={skill} variant="secondary" className="text-xs">
-                        {skill}
-                      </Badge>
-                    ))}
+          {isLoading ? (
+            <div className="text-center py-8">
+              <div className="animate-spin rounded-full h-8 w-8 border-b-2 border-purple-600 mx-auto"></div>
+              <p className="mt-2 text-gray-600">載入評審團中...</p>
+            </div>
+          ) : competitionJudges.length > 0 ? (
+            <div className="grid grid-cols-1 md:grid-cols-2 lg:grid-cols-3 gap-4">
+              {competitionJudges.map((judge) => (
+                <div key={judge.id} className="flex items-center space-x-3 p-3 bg-gray-50 rounded-lg">
+                  <Avatar>
+                    <AvatarImage src={judge.avatar || "/placeholder.svg"} />
+                    <AvatarFallback className="bg-purple-100 text-purple-700">{judge.name[0]}</AvatarFallback>
+                  </Avatar>
+                  <div className="flex-1">
+                    <h4 className="font-medium">{judge.name}</h4>
+                    <p className="text-sm text-gray-600">{judge.title}</p>
+                    <div className="flex flex-wrap gap-1 mt-1">
+                      {judge.expertise.slice(0, 2).map((skill) => (
+                        <Badge key={skill} variant="secondary" className="text-xs">
+                          {skill}
+                        </Badge>
+                      ))}
+                    </div>
                  </div>
                </div>
-              </div>
-            ))}
-          </div>
+              ))}
+            </div>
+          ) : (
+            <div className="text-center py-8 text-gray-500">
+              <Crown className="w-8 h-8 mx-auto mb-2 opacity-50" />
+              <p>暫無評審團成員</p>
+            </div>
+          )}
        </CardContent>
      </Card>

@@ -733,23 +789,30 @@ export function PopularityRankings() {

          {/* Team Competition Section */}
          {(selectedCompetitionType === "all" || selectedCompetitionType === "team") &&
+            currentCompetition?.type === "team" &&
            renderTeamCompetitionSection(
-              mockTeams.filter(
-                (team) =>
-                  team.name.toLowerCase().includes(searchTerm.toLowerCase()) ||
-                  team.members.some((member: any) => member.name.toLowerCase().includes(searchTerm.toLowerCase())) ||
-                  selectedDepartment === "all" ||
-                  team.department === selectedDepartment,
+              competitionTeams.filter(
+                (team) => {
+                  const matchesSearch = searchTerm === "" || 
+                    team.name.toLowerCase().includes(searchTerm.toLowerCase()) ||
+                    team.members?.some((member: any) => member.name.toLowerCase().includes(searchTerm.toLowerCase()));
+                  
+                  const matchesDepartment = selectedDepartment === "all" || team.department === selectedDepartment;
+                  
+                  return matchesSearch && matchesDepartment;
+                }
              ),
              "團隊賽",
            )}

          {/* No Results */}
-          {filteredApps.length === 0 && (
+          {filteredApps.length === 0 && competitionTeams.length === 0 && (
            <Card>
              <CardContent className="text-center py-12">
                <Heart className="w-16 h-16 text-gray-400 mx-auto mb-4" />
-                <h3 className="text-xl font-semibold text-gray-600 mb-2">沒有找到符合條件的應用</h3>
+                <h3 className="text-xl font-semibold text-gray-600 mb-2">
+                  {currentCompetition?.type === 'team' ? '沒有找到符合條件的團隊' : '沒有找到符合條件的應用'}
+                </h3>
                <p className="text-gray-500">請調整篩選條件或清除搜尋關鍵字</p>
                <Button
                  variant="outline"
--- a/components/competition/team-detail-dialog.tsx
+++ b/components/competition/team-detail-dialog.tsx
@@ -20,6 +20,13 @@ import {
  Brain,
  Zap,
  ExternalLink,
+  Bot,
+  Code,
+  Database,
+  Palette,
+  Volume2,
+  Search,
+  BarChart3,
 } from "lucide-react"
 import { useAuth } from "@/contexts/auth-context"
 import { LikeButton } from "@/components/like-button"
@@ -31,22 +38,68 @@ interface TeamDetailDialogProps {
  team: any
 }

-// App data for team apps - empty for production
-const getAppDetails = (appId: string) => {
+// 圖標映射函數
+const getIconComponent = (iconName: string) => {
+  const iconMap: { [key: string]: any } = {
+    'Brain': Brain,
+    'Bot': Bot,
+    'Code': Code,
+    'Database': Database,
+    'Palette': Palette,
+    'Volume2': Volume2,
+    'Search': Search,
+    'BarChart3': BarChart3,
+    'Mic': Mic,
+    'ImageIcon': ImageIcon,
+    'MessageSquare': MessageSquare,
+    'Zap': Zap,
+    'TrendingUp': TrendingUp,
+  };
+  
+  return iconMap[iconName] || Brain;
+}
+
+// App data for team apps - get from team data
+const getAppDetails = (appId: string, team: any) => {
+  const appDetail = team.appsDetails?.find((app: any) => app.id === appId);
+  
+  if (appDetail) {
+    return {
+      id: appDetail.id,
+      name: appDetail.name || "未命名應用",
+      type: appDetail.type || "未知類型",
+      description: appDetail.description || "無描述",
+      icon: getIconComponent(appDetail.icon) || Brain,
+      fullDescription: appDetail.description || "無描述",
+      features: [],
+      author: appDetail.creator_name || "未知作者",
+      category: appDetail.category || "未分類",
+      tags: [],
+      demoUrl: "",
+      sourceUrl: "",
+      likes: appDetail.likes_count || 0,
+      views: appDetail.views_count || 0,
+      rating: Number(appDetail.rating) || 0
+    };
+  }
+  
  return {
    id: appId,
-    name: "",
-    type: "",
-    description: "",
-    icon: null,
-    fullDescription: "",
+    name: "未命名應用",
+    type: "未知類型",
+    description: "無描述",
+    icon: Brain,
+    fullDescription: "無描述",
    features: [],
-    author: "",
-    category: "",
+    author: "未知作者",
+    category: "未分類",
    tags: [],
    demoUrl: "",
    sourceUrl: "",
-  }
+    likes: 0,
+    views: 0,
+    rating: 0
+  };
 }

 const getTypeColor = (type: string) => {
@@ -67,10 +120,10 @@ export function TeamDetailDialog({ open, onOpenChange, team }: TeamDetailDialogP

  if (!team) return null

-  const leader = team.members.find((m: any) => m.id === team.leader)
+  const leader = team.members.find((m: any) => m.user_id === team.leader)

  const handleAppClick = (appId: string) => {
-    const appDetails = getAppDetails(appId)
+    const appDetails = getAppDetails(appId, team)
    // Create app object that matches AppDetailDialog interface
    const app = {
      id: Number.parseInt(appId),
@@ -81,14 +134,17 @@ export function TeamDetailDialog({ open, onOpenChange, team }: TeamDetailDialogP
      icon: appDetails.icon,
      creator: appDetails.author,
      featured: false,
-      judgeScore: 0,
+      judgeScore: appDetails.rating || 0,
+      likes: appDetails.likes || 0,
+      views: appDetails.views || 0,
    }
    setSelectedApp(app)
    setAppDetailOpen(true)
  }

-  const totalLikes = team.apps.reduce((sum: number, appId: string) => sum + getLikeCount(appId), 0)
-  const totalViews = team.apps.reduce((sum: number, appId: string) => sum + getViewCount(appId), 0)
+  // 使用從數據庫獲取的真實數據
+  const totalLikes = team.totalLikes || 0
+  const totalViews = team.totalViews || 0

  return (
    <>
@@ -179,13 +235,13 @@ export function TeamDetailDialog({ open, onOpenChange, team }: TeamDetailDialogP
                      </div>
                      <div>
                        <label className="text-sm font-medium text-gray-700">團隊隊長</label>
-                        <p className="text-gray-900">{leader?.name}</p>
+                        <p className="text-gray-900">{leader?.name || '未指定'}</p>
                      </div>
                      <div>
                        <label className="text-sm font-medium text-gray-700">聯絡信箱</label>
                        <div className="flex items-center space-x-2">
                          <Mail className="w-4 h-4 text-gray-500" />
-                          <p className="text-gray-900">{team.contactEmail}</p>
+                          <p className="text-gray-900">{team.contact_email || '未提供'}</p>
                        </div>
                      </div>
                    </div>
@@ -261,11 +317,12 @@ export function TeamDetailDialog({ open, onOpenChange, team }: TeamDetailDialogP
                <CardContent>
                  <div className="grid grid-cols-1 md:grid-cols-2 gap-4">
                    {team.apps.map((appId: string) => {
-                      const app = getAppDetails(appId)
-                      const IconComponent = app.icon
-                      const likes = getLikeCount(appId)
-                      const views = getViewCount(appId)
-                      const rating = getAppRating(appId)
+                      const app = getAppDetails(appId, team)
+                      // 如果沒有圖標，使用默認的 Brain 圖標
+                      const IconComponent = app.icon || Brain
+                      const likes = app.likes || 0
+                      const views = app.views || 0
+                      const rating = app.rating || 0

                      return (
                        <Card
@@ -299,11 +356,16 @@ export function TeamDetailDialog({ open, onOpenChange, team }: TeamDetailDialogP
                                </div>
                                <div className="flex items-center space-x-1">
                                  <Star className="w-3 h-3 text-yellow-500" />
-                                  <span>{rating.toFixed(1)}</span>
+                                  <span>{Number(rating).toFixed(1)}</span>
                                </div>
                              </div>
                              <div onClick={(e) => e.stopPropagation()}>
-                                <LikeButton appId={appId} size="sm" />
+                                <LikeButton 
+                                  appId={appId} 
+                                  size="sm" 
+                                  likeCount={likes}
+                                  showCount={true}
+                                />
                              </div>
                            </div>
                          </CardContent>
--- a/contexts/competition-context.tsx
+++ b/contexts/competition-context.tsx
@@ -122,6 +122,23 @@ export function CompetitionProvider({ children }: { children: ReactNode }) {
  const [teams, setTeams] = useState<Team[]>(mockTeams)
  const [proposals, setProposals] = useState<Proposal[]>(mockProposals)

+  // 載入當前競賽
+  useEffect(() => {
+    const loadCurrentCompetition = async () => {
+      try {
+        const response = await fetch('/api/competitions/current')
+        const data = await response.json()
+        if (data.success && data.data) {
+          setCurrentCompetition(data.data)
+        }
+      } catch (error) {
+        console.error('載入當前競賽失敗:', error)
+      }
+    }
+
+    loadCurrentCompetition()
+  }, [])
+
  // Load judge scores from localStorage
  const [judgeScores, setJudgeScores] = useState<JudgeScore[]>(() => {
    if (typeof window !== "undefined") {
@@ -186,6 +203,7 @@ export function CompetitionProvider({ children }: { children: ReactNode }) {
    }
  }, [awards])

+
  const addJudge = (judge: Omit<Judge, "id">) => {
    const newJudge: Judge = {
      ...judge,
--- a/database-schema-simple.sql
+++ b/database-schema-simple.sql
@@ -89,12 +89,13 @@ CREATE TABLE `competitions` (
    `month` INT NOT NULL,
    `start_date` DATE NOT NULL,
    `end_date` DATE NOT NULL,
-    `status` ENUM('upcoming', 'active', 'judging', 'completed') DEFAULT 'upcoming',
+    `status` ENUM('upcoming', 'ongoing', 'active', 'judging', 'completed') DEFAULT 'upcoming',
    `description` TEXT,
    `type` ENUM('individual', 'team', 'mixed', 'proposal') NOT NULL,
    `evaluation_focus` TEXT,
    `max_team_size` INT NULL,
    `is_active` BOOLEAN DEFAULT TRUE,
+    `is_current` BOOLEAN DEFAULT FALSE,
    `created_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    `updated_at` TIMESTAMP DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP,
    INDEX `idx_year_month` (`year`, `month`),
--- a/lib/database-failover.js
+++ b/lib/database-failover.js
@@ -323,7 +323,9 @@ class DatabaseFailover {
    async query(sql, params) {
        const connection = await this.getConnection();
        try {
-            const [rows] = await connection.execute(sql, params);
+            // 將 undefined 值轉換為 null，避免 MySQL 驅動錯誤
+            const sanitizedParams = params ? params.map(param => param === undefined ? null : param) : [];
+            const [rows] = await connection.execute(sql, sanitizedParams);
            return rows;
        }
        finally {
@@ -345,7 +347,9 @@ class DatabaseFailover {
    async insert(sql, params) {
        const connection = await this.getConnection();
        try {
-            const [result] = await connection.execute(sql, params);
+            // 將 undefined 值轉換為 null，避免 MySQL 驅動錯誤
+            const sanitizedParams = params ? params.map(param => param === undefined ? null : param) : [];
+            const [result] = await connection.execute(sql, sanitizedParams);
            return result;
        }
        finally {
@@ -356,7 +360,9 @@ class DatabaseFailover {
    async update(sql, params) {
        const connection = await this.getConnection();
        try {
-            const [result] = await connection.execute(sql, params);
+            // 將 undefined 值轉換為 null，避免 MySQL 驅動錯誤
+            const sanitizedParams = params ? params.map(param => param === undefined ? null : param) : [];
+            const [result] = await connection.execute(sql, sanitizedParams);
            return result;
        }
        finally {
@@ -367,7 +373,9 @@ class DatabaseFailover {
    async delete(sql, params) {
        const connection = await this.getConnection();
        try {
-            const [result] = await connection.execute(sql, params);
+            // 將 undefined 值轉換為 null，避免 MySQL 驅動錯誤
+            const sanitizedParams = params ? params.map(param => param === undefined ? null : param) : [];
+            const [result] = await connection.execute(sql, sanitizedParams);
            return result;
        }
        finally {
--- a/lib/database-sync-fixed.js
+++ b/lib/database-sync-fixed.js
@@ -137,6 +137,53 @@ class DatabaseSyncFixed {
    }
  }

+  // 智能雙寫更新
+  async smartDualUpdate(tableName, id, updates) {
+    const result = {
+      success: false,
+      masterSuccess: false,
+      slaveSuccess: false
+    };
+
+    try {
+      // 先獲取主機的記錄
+      const masterRecord = await this.getMasterRecord(tableName, id);
+      
+      if (!masterRecord) {
+        throw new Error('主機記錄不存在');
+      }
+
+      // 獲取備機的記錄 ID（通過名稱匹配）
+      const slaveId = await this.getSlaveRecordIdByName(tableName, masterRecord.name);
+      
+      if (!slaveId) {
+        throw new Error('備機記錄不存在');
+      }
+
+      // 同時更新主機和備機
+      const masterPromise = this.updateMasterRecord(tableName, id, updates);
+      const slavePromise = this.updateSlaveRecord(tableName, slaveId, updates);
+
+      const [masterResult, slaveResult] = await Promise.allSettled([masterPromise, slavePromise]);
+
+      result.masterSuccess = masterResult.status === 'fulfilled';
+      result.slaveSuccess = slaveResult.status === 'fulfilled';
+      result.success = result.masterSuccess || result.slaveSuccess;
+
+      if (masterResult.status === 'rejected') {
+        result.masterError = masterResult.reason instanceof Error ? masterResult.reason.message : '主機更新失敗';
+      }
+      if (slaveResult.status === 'rejected') {
+        result.slaveError = slaveResult.reason instanceof Error ? slaveResult.reason.message : '備機更新失敗';
+      }
+
+    } catch (error) {
+      result.masterError = error instanceof Error ? error.message : '雙寫更新執行失敗';
+    }
+
+    return result;
+  }
+
  // 智能雙寫關聯表 - 使用對應的競賽 ID
  async smartDualInsertRelation(relationTable, masterCompetitionId, slaveCompetitionId, relationData, relationIdField) {
    const result = {
@@ -370,6 +417,200 @@ class DatabaseSyncFixed {
    }
  }

+  // 獲取主機記錄
+  async getMasterRecord(tableName, id) {
+    if (!this.masterPool) return null;
+    
+    const connection = await this.masterPool.getConnection();
+    try {
+      const [rows] = await connection.execute(`SELECT * FROM ${tableName} WHERE id = ?`, [id]);
+      return rows[0] || null;
+    } finally {
+      connection.release();
+    }
+  }
+
+  // 根據名稱獲取備機記錄 ID
+  async getSlaveRecordIdByName(tableName, name) {
+    if (!this.slavePool) return null;
+    
+    const connection = await this.slavePool.getConnection();
+    try {
+      const [rows] = await connection.execute(`SELECT id FROM ${tableName} WHERE name = ? ORDER BY created_at DESC LIMIT 1`, [name]);
+      const result = rows[0]?.id || null;
+      return result && typeof result !== 'string' ? String(result) : result;
+    } finally {
+      connection.release();
+    }
+  }
+
+  // 更新主機記錄
+  async updateMasterRecord(tableName, id, updates) {
+    if (!this.masterPool) return;
+    
+    const fields = Object.keys(updates).filter(key => key !== 'id' && key !== 'created_at');
+    if (fields.length === 0) return;
+    
+    const setClause = fields.map(field => `${field} = ?`).join(', ');
+    const values = fields.map(field => updates[field]);
+    
+    const connection = await this.masterPool.getConnection();
+    try {
+      const sql = `UPDATE ${tableName} SET ${setClause}, updated_at = CURRENT_TIMESTAMP WHERE id = ?`;
+      await connection.execute(sql, [...values, id]);
+    } finally {
+      connection.release();
+    }
+  }
+
+  // 更新備機記錄
+  async updateSlaveRecord(tableName, id, updates) {
+    if (!this.slavePool) return;
+    
+    const fields = Object.keys(updates).filter(key => key !== 'id' && key !== 'created_at');
+    if (fields.length === 0) return;
+    
+    const setClause = fields.map(field => `${field} = ?`).join(', ');
+    const values = fields.map(field => updates[field]);
+    
+    const connection = await this.slavePool.getConnection();
+    try {
+      const sql = `UPDATE ${tableName} SET ${setClause}, updated_at = CURRENT_TIMESTAMP WHERE id = ?`;
+      await connection.execute(sql, [...values, id]);
+    } finally {
+      connection.release();
+    }
+  }
+
+  // 清除所有競賽的當前狀態
+  async clearAllCurrentCompetitions() {
+    const result = {
+      success: false,
+      masterSuccess: false,
+      slaveSuccess: false
+    };
+
+    try {
+      // 同時清除主機和備機的所有當前競賽狀態
+      const masterPromise = this.clearMasterCurrentCompetitions();
+      const slavePromise = this.clearSlaveCurrentCompetitions();
+
+      const [masterResult, slaveResult] = await Promise.allSettled([masterPromise, slavePromise]);
+
+      result.masterSuccess = masterResult.status === 'fulfilled';
+      result.slaveSuccess = slaveResult.status === 'fulfilled';
+      result.success = result.masterSuccess || result.slaveSuccess;
+
+      if (masterResult.status === 'rejected') {
+        result.masterError = masterResult.reason instanceof Error ? masterResult.reason.message : '主機清除失敗';
+      }
+      if (slaveResult.status === 'rejected') {
+        result.slaveError = slaveResult.reason instanceof Error ? slaveResult.reason.message : '備機清除失敗';
+      }
+
+    } catch (error) {
+      result.masterError = error instanceof Error ? error.message : '清除所有當前競賽執行失敗';
+    }
+
+    return result;
+  }
+
+  // 清除主機的所有當前競賽狀態
+  async clearMasterCurrentCompetitions() {
+    if (!this.masterPool) return;
+
+    const connection = await this.masterPool.getConnection();
+    try {
+      await connection.execute('UPDATE competitions SET is_current = FALSE');
+    } finally {
+      connection.release();
+    }
+  }
+
+  // 清除備機的所有當前競賽狀態
+  async clearSlaveCurrentCompetitions() {
+    if (!this.slavePool) return;
+
+    const connection = await this.slavePool.getConnection();
+    try {
+      await connection.execute('UPDATE competitions SET is_current = FALSE');
+    } finally {
+      connection.release();
+    }
+  }
+
+  // 智能雙寫刪除
+  async smartDualDelete(tableName, id, idField = 'id') {
+    const result = {
+      success: false,
+      masterSuccess: false,
+      slaveSuccess: false
+    };
+
+    try {
+      // 獲取備機對應的 ID
+      let slaveId = null;
+      if (tableName === 'competitions') {
+        // 對於競賽表，先獲取競賽名稱
+        const masterRecord = await this.getMasterRecord(tableName, id);
+        if (masterRecord) {
+          slaveId = await this.getSlaveRecordIdByName(tableName, masterRecord.name);
+        }
+      } else {
+        // 對於關聯表，直接使用主機 ID
+        slaveId = id;
+      }
+      
+      // 同時刪除主機和備機的記錄
+      const masterPromise = this.deleteFromMaster(tableName, id, idField);
+      const slavePromise = slaveId ? this.deleteFromSlave(tableName, slaveId, idField) : Promise.resolve();
+
+      const [masterResult, slaveResult] = await Promise.allSettled([masterPromise, slavePromise]);
+
+      result.masterSuccess = masterResult.status === 'fulfilled';
+      result.slaveSuccess = slaveResult.status === 'fulfilled';
+      result.success = result.masterSuccess || result.slaveSuccess;
+
+      if (masterResult.status === 'rejected') {
+        result.masterError = masterResult.reason instanceof Error ? masterResult.reason.message : '主機刪除失敗';
+      }
+      if (slaveResult.status === 'rejected') {
+        result.slaveError = slaveResult.reason instanceof Error ? slaveResult.reason.message : '備機刪除失敗';
+      }
+
+    } catch (error) {
+      result.masterError = error instanceof Error ? error.message : '雙寫刪除執行失敗';
+    }
+
+    return result;
+  }
+
+  // 從主機刪除記錄
+  async deleteFromMaster(tableName, id, idField = 'id') {
+    if (!this.masterPool) return;
+
+    const connection = await this.masterPool.getConnection();
+    try {
+      const sql = `DELETE FROM ${tableName} WHERE ${idField} = ?`;
+      await connection.execute(sql, [id]);
+    } finally {
+      connection.release();
+    }
+  }
+
+  // 從備機刪除記錄
+  async deleteFromSlave(tableName, id, idField = 'id') {
+    if (!this.slavePool) return;
+
+    const connection = await this.slavePool.getConnection();
+    try {
+      const sql = `DELETE FROM ${tableName} WHERE ${idField} = ?`;
+      await connection.execute(sql, [id]);
+    } finally {
+      connection.release();
+    }
+  }
+
  // 清理資源
  async close() {
    if (this.masterPool) {
--- a/lib/database-sync-fixed.ts
+++ b/lib/database-sync-fixed.ts
@@ -157,6 +157,53 @@ export class DatabaseSyncFixed {
    }
  }

+  // 智能雙寫更新
+  async smartDualUpdate(tableName: string, id: string, updates: Record<string, any>): Promise<WriteResult> {
+    const result: WriteResult = {
+      success: false,
+      masterSuccess: false,
+      slaveSuccess: false
+    };
+
+    try {
+      // 先獲取主機的記錄
+      const masterRecord = await this.getMasterRecord(tableName, id);
+      
+      if (!masterRecord) {
+        throw new Error('主機記錄不存在');
+      }
+
+      // 獲取備機的記錄 ID（通過名稱匹配）
+      const slaveId = await this.getSlaveRecordIdByName(tableName, masterRecord.name);
+      
+      if (!slaveId) {
+        throw new Error('備機記錄不存在');
+      }
+
+      // 同時更新主機和備機
+      const masterPromise = this.updateMasterRecord(tableName, id, updates);
+      const slavePromise = this.updateSlaveRecord(tableName, slaveId, updates);
+
+      const [masterResult, slaveResult] = await Promise.allSettled([masterPromise, slavePromise]);
+
+      result.masterSuccess = masterResult.status === 'fulfilled';
+      result.slaveSuccess = slaveResult.status === 'fulfilled';
+      result.success = result.masterSuccess || result.slaveSuccess;
+
+      if (masterResult.status === 'rejected') {
+        result.masterError = masterResult.reason instanceof Error ? masterResult.reason.message : '主機更新失敗';
+      }
+      if (slaveResult.status === 'rejected') {
+        result.slaveError = slaveResult.reason instanceof Error ? slaveResult.reason.message : '備機更新失敗';
+      }
+
+    } catch (error) {
+      result.masterError = error instanceof Error ? error.message : '雙寫更新執行失敗';
+    }
+
+    return result;
+  }
+
  // 智能雙寫關聯表 - 使用對應的競賽 ID
  async smartDualInsertRelation(
    relationTable: string, 
@@ -260,6 +307,71 @@ export class DatabaseSyncFixed {
    }
  }

+  // 獲取主機記錄
+  private async getMasterRecord(tableName: string, id: string): Promise<any> {
+    if (!this.masterPool) return null;
+    
+    const connection = await this.masterPool.getConnection();
+    try {
+      const [rows] = await connection.execute(`SELECT * FROM ${tableName} WHERE id = ?`, [id]);
+      return (rows as any[])[0] || null;
+    } finally {
+      connection.release();
+    }
+  }
+
+  // 根據名稱獲取備機記錄 ID
+  private async getSlaveRecordIdByName(tableName: string, name: string): Promise<string | null> {
+    if (!this.slavePool) return null;
+    
+    const connection = await this.slavePool.getConnection();
+    try {
+      const [rows] = await connection.execute(`SELECT id FROM ${tableName} WHERE name = ? ORDER BY created_at DESC LIMIT 1`, [name]);
+      const result = (rows as any[])[0]?.id || null;
+      return result && typeof result !== 'string' ? String(result) : result;
+    } finally {
+      connection.release();
+    }
+  }
+
+  // 更新主機記錄
+  private async updateMasterRecord(tableName: string, id: string, updates: Record<string, any>): Promise<void> {
+    if (!this.masterPool) return;
+    
+    const fields = Object.keys(updates).filter(key => key !== 'id' && key !== 'created_at');
+    if (fields.length === 0) return;
+    
+    const setClause = fields.map(field => `${field} = ?`).join(', ');
+    const values = fields.map(field => updates[field]);
+    
+    const connection = await this.masterPool.getConnection();
+    try {
+      const sql = `UPDATE ${tableName} SET ${setClause}, updated_at = CURRENT_TIMESTAMP WHERE id = ?`;
+      await connection.execute(sql, [...values, id]);
+    } finally {
+      connection.release();
+    }
+  }
+
+  // 更新備機記錄
+  private async updateSlaveRecord(tableName: string, id: string, updates: Record<string, any>): Promise<void> {
+    if (!this.slavePool) return;
+    
+    const fields = Object.keys(updates).filter(key => key !== 'id' && key !== 'created_at');
+    if (fields.length === 0) return;
+    
+    const setClause = fields.map(field => `${field} = ?`).join(', ');
+    const values = fields.map(field => updates[field]);
+    
+    const connection = await this.slavePool.getConnection();
+    try {
+      const sql = `UPDATE ${tableName} SET ${setClause}, updated_at = CURRENT_TIMESTAMP WHERE id = ?`;
+      await connection.execute(sql, [...values, id]);
+    } finally {
+      connection.release();
+    }
+  }
+
  // 根據名稱獲取備機競賽 ID
  private async getSlaveCompetitionIdByName(name: string): Promise<string | null> {
    if (!this.slavePool) return null;
@@ -350,6 +462,135 @@ export class DatabaseSyncFixed {
    }
  }

+  // 清除所有競賽的當前狀態
+  async clearAllCurrentCompetitions(): Promise<WriteResult> {
+    const result: WriteResult = {
+      success: false,
+      masterSuccess: false,
+      slaveSuccess: false
+    };
+
+    try {
+      // 同時清除主機和備機的所有當前競賽狀態
+      const masterPromise = this.clearMasterCurrentCompetitions();
+      const slavePromise = this.clearSlaveCurrentCompetitions();
+
+      const [masterResult, slaveResult] = await Promise.allSettled([masterPromise, slavePromise]);
+
+      result.masterSuccess = masterResult.status === 'fulfilled';
+      result.slaveSuccess = slaveResult.status === 'fulfilled';
+      result.success = result.masterSuccess || result.slaveSuccess;
+
+      if (masterResult.status === 'rejected') {
+        result.masterError = masterResult.reason instanceof Error ? masterResult.reason.message : '主機清除失敗';
+      }
+      if (slaveResult.status === 'rejected') {
+        result.slaveError = slaveResult.reason instanceof Error ? slaveResult.reason.message : '備機清除失敗';
+      }
+
+    } catch (error) {
+      result.masterError = error instanceof Error ? error.message : '清除所有當前競賽執行失敗';
+    }
+
+    return result;
+  }
+
+  // 清除主機的所有當前競賽狀態
+  private async clearMasterCurrentCompetitions(): Promise<void> {
+    if (!this.masterPool) return;
+
+    const connection = await this.masterPool.getConnection();
+    try {
+      await connection.execute('UPDATE competitions SET is_current = FALSE');
+    } finally {
+      connection.release();
+    }
+  }
+
+  // 清除備機的所有當前競賽狀態
+  private async clearSlaveCurrentCompetitions(): Promise<void> {
+    if (!this.slavePool) return;
+
+    const connection = await this.slavePool.getConnection();
+    try {
+      await connection.execute('UPDATE competitions SET is_current = FALSE');
+    } finally {
+      connection.release();
+    }
+  }
+
+  // 智能雙寫刪除
+  async smartDualDelete(tableName: string, id: string, idField: string = 'id'): Promise<WriteResult> {
+    const result: WriteResult = {
+      success: false,
+      masterSuccess: false,
+      slaveSuccess: false
+    };
+
+    try {
+      // 獲取備機對應的 ID
+      let slaveId: string | null = null;
+      if (tableName === 'competitions') {
+        // 對於競賽表，先獲取競賽名稱
+        const masterRecord = await this.getMasterRecord(tableName, id);
+        if (masterRecord) {
+          slaveId = await this.getSlaveRecordIdByName(tableName, masterRecord.name);
+        }
+      } else {
+        // 對於關聯表，直接使用主機 ID
+        slaveId = id;
+      }
+      
+      // 同時刪除主機和備機的記錄
+      const masterPromise = this.deleteFromMaster(tableName, id, idField);
+      const slavePromise = slaveId ? this.deleteFromSlave(tableName, slaveId, idField) : Promise.resolve();
+
+      const [masterResult, slaveResult] = await Promise.allSettled([masterPromise, slavePromise]);
+
+      result.masterSuccess = masterResult.status === 'fulfilled';
+      result.slaveSuccess = slaveResult.status === 'fulfilled';
+      result.success = result.masterSuccess || result.slaveSuccess;
+
+      if (masterResult.status === 'rejected') {
+        result.masterError = masterResult.reason instanceof Error ? masterResult.reason.message : '主機刪除失敗';
+      }
+      if (slaveResult.status === 'rejected') {
+        result.slaveError = slaveResult.reason instanceof Error ? slaveResult.reason.message : '備機刪除失敗';
+      }
+
+    } catch (error) {
+      result.masterError = error instanceof Error ? error.message : '雙寫刪除執行失敗';
+    }
+
+    return result;
+  }
+
+  // 從主機刪除記錄
+  private async deleteFromMaster(tableName: string, id: string, idField: string = 'id'): Promise<void> {
+    if (!this.masterPool) return;
+
+    const connection = await this.masterPool.getConnection();
+    try {
+      const sql = `DELETE FROM ${tableName} WHERE ${idField} = ?`;
+      await connection.execute(sql, [id]);
+    } finally {
+      connection.release();
+    }
+  }
+
+  // 從備機刪除記錄
+  private async deleteFromSlave(tableName: string, id: string, idField: string = 'id'): Promise<void> {
+    if (!this.slavePool) return;
+
+    const connection = await this.slavePool.getConnection();
+    try {
+      const sql = `DELETE FROM ${tableName} WHERE ${idField} = ?`;
+      await connection.execute(sql, [id]);
+    } finally {
+      connection.release();
+    }
+  }
+
  // 清理資源
  async close(): Promise<void> {
    if (this.masterPool) {
--- a/lib/services/database-service.ts
+++ b/lib/services/database-service.ts
@@ -616,7 +616,7 @@ export class UserService {
      const competitionStatsSql = `
        SELECT 
          COUNT(*) as total_competitions,
-          COUNT(CASE WHEN status = 'active' THEN 1 END) as active_competitions
+          COUNT(CASE WHEN status = 'active' OR status = 'ongoing' THEN 1 END) as active_competitions
        FROM competitions
      `;
      const competitionStats = await this.queryOne(competitionStatsSql);
@@ -1282,13 +1282,135 @@ export class CompetitionService {

  // 更新競賽
  static async updateCompetition(id: string, updates: Partial<Competition>): Promise<boolean> {
-    const fields = Object.keys(updates).filter(key => key !== 'id' && key !== 'created_at');
-    const setClause = fields.map(field => `${field} = ?`).join(', ');
-    const values = fields.map(field => (updates as any)[field]);
+    try {
+      const dbSyncFixed = new DatabaseSyncFixed();
      
-    const sql = `UPDATE competitions SET ${setClause}, updated_at = CURRENT_TIMESTAMP WHERE id = ?`;
-    const result = await db.update(sql, [...values, id]);
-    return result.affectedRows > 0;
+      // 使用雙寫功能更新競賽
+      const result = await dbSyncFixed.smartDualUpdate('competitions', id, updates);
+      
+      if (!result.success) {
+        console.error('競賽更新失敗:', result.masterError || result.slaveError);
+        return false;
+      }
+      
+      return true;
+    } catch (error) {
+      console.error('競賽更新失敗:', error);
+      return false;
+    }
+  }
+
+  // 獲取當前競賽
+  static async getCurrentCompetition(): Promise<any | null> {
+    try {
+      const sql = 'SELECT * FROM competitions WHERE is_current = TRUE AND is_active = TRUE LIMIT 1';
+      const competitions = await db.query<any>(sql);
+      
+      if (competitions.length > 0) {
+        const competition = competitions[0];
+        return await this.getCompetitionWithDetails(competition.id);
+      }
+      
+      return null;
+    } catch (error) {
+      console.error('獲取當前競賽失敗:', error);
+      return null;
+    }
+  }
+
+  // 設置當前競賽
+  static async setCurrentCompetition(competitionId: string): Promise<boolean> {
+    try {
+      const dbSyncFixed = new DatabaseSyncFixed();
+      
+      // 先清除所有競賽的當前狀態 - 使用直接 SQL 更新
+      try {
+        await dbSyncFixed.clearAllCurrentCompetitions();
+      } catch (error) {
+        console.error('清除當前競賽狀態失敗:', error);
+      }
+      
+      // 設置指定競賽為當前競賽
+      const setResult = await dbSyncFixed.smartDualUpdate('competitions', competitionId, { is_current: true });
+      
+      if (!setResult.success) {
+        console.error('設置當前競賽失敗:', setResult.masterError || setResult.slaveError);
+        return false;
+      }
+      
+      return true;
+    } catch (error) {
+      console.error('設置當前競賽失敗:', error);
+      return false;
+    }
+  }
+
+  // 清除當前競賽
+  static async clearCurrentCompetition(): Promise<boolean> {
+    try {
+      await db.update('UPDATE competitions SET is_current = FALSE');
+      
+      return true;
+    } catch (error) {
+      console.error('清除當前競賽失敗:', error);
+      return false;
+    }
+  }
+
+  // 刪除競賽 - 支援雙寫
+  static async deleteCompetition(id: string): Promise<boolean> {
+    try {
+      const dbSyncFixed = new DatabaseSyncFixed();
+      
+      // 先獲取競賽信息
+      const competition = await this.getCompetitionById(id);
+      if (!competition) {
+        console.error('競賽不存在');
+        return false;
+      }
+
+      // 刪除關聯數據
+      await this.deleteCompetitionRelations(id);
+      
+      // 使用雙寫功能刪除競賽
+      const result = await dbSyncFixed.smartDualDelete('competitions', id);
+      
+      if (!result.success) {
+        console.error('競賽刪除失敗:', result.masterError || result.slaveError);
+        return false;
+      }
+      
+      return true;
+    } catch (error) {
+      console.error('競賽刪除失敗:', error);
+      return false;
+    }
+  }
+
+  // 刪除競賽關聯數據
+  private static async deleteCompetitionRelations(competitionId: string): Promise<void> {
+    try {
+      const dbSyncFixed = new DatabaseSyncFixed();
+      
+      // 刪除所有關聯表數據
+      const relations = [
+        'competition_judges',
+        'competition_teams', 
+        'competition_apps',
+        'competition_award_types',
+        'competition_rules'
+      ];
+
+      for (const relationTable of relations) {
+        try {
+          await dbSyncFixed.smartDualDelete(relationTable, competitionId, 'competition_id');
+        } catch (error) {
+          console.error(`刪除關聯表 ${relationTable} 失敗:`, error);
+        }
+      }
+    } catch (error) {
+      console.error('刪除競賽關聯數據失敗:', error);
+    }
  }

  // =====================================================
@@ -1369,16 +1491,50 @@ export class CompetitionService {
  }

  // 獲取競賽的應用列表
-  static async getCompetitionApps(competitionId: string): Promise<any[]> {
-    const sql = `
-      SELECT a.*, ca.submitted_at, u.name as creator_name, u.department as creator_department
-      FROM competition_apps ca
-      JOIN apps a ON ca.app_id = a.id
-      LEFT JOIN users u ON a.creator_id = u.id
-      WHERE ca.competition_id = ? AND a.is_active = TRUE
-      ORDER BY ca.submitted_at ASC
-    `;
-    return await db.query(sql, [competitionId]);
+  static async getCompetitionApps(competitionId: string, competitionType?: string): Promise<any[]> {
+    // 先獲取競賽信息
+    const competition = await this.getCompetitionById(competitionId);
+    if (!competition) return [];
+
+    let apps: any[] = [];
+
+    if (competition.type === 'team') {
+      // 對於團隊競賽，獲取所有參賽團隊的應用
+      const teams = await this.getCompetitionTeams(competitionId);
+      if (teams.length > 0) {
+        // 過濾掉 undefined 或 null 的 team_id 值
+        const teamIds = teams
+          .map(t => t.team_id)
+          .filter(id => id !== undefined && id !== null);
+        
+        if (teamIds.length > 0) {
+          const placeholders = teamIds.map(() => '?').join(',');
+          
+          const sql = `
+            SELECT a.*, u.name as creator_name, u.department as creator_department, t.name as team_name
+            FROM apps a
+            LEFT JOIN users u ON a.creator_id = u.id
+            LEFT JOIN teams t ON a.team_id = t.id
+            WHERE a.team_id IN (${placeholders}) AND a.is_active = TRUE
+            ORDER BY a.created_at ASC
+          `;
+          apps = await db.query(sql, teamIds);
+        }
+      }
+    } else {
+      // 對於個人競賽，從 competition_apps 表獲取
+      const sql = `
+        SELECT a.*, ca.submitted_at, u.name as creator_name, u.department as creator_department
+        FROM competition_apps ca
+        JOIN apps a ON ca.app_id = a.id
+        LEFT JOIN users u ON a.creator_id = u.id
+        WHERE ca.competition_id = ? AND a.is_active = TRUE
+        ORDER BY ca.submitted_at ASC
+      `;
+      apps = await db.query(sql, [competitionId]);
+    }
+
+    return apps;
  }

  // 為競賽添加團隊
@@ -1621,9 +1777,42 @@ export class CompetitionService {
      this.getCompetitionRules(competitionId)
    ]);

+    // 根據日期動態計算競賽狀態
+    const now = new Date();
+    const startDate = new Date(competition.start_date);
+    const endDate = new Date(competition.end_date);
+    
+    let calculatedStatus = competition.status;
+    
+    // 確保日期比較的準確性，使用 UTC 時間避免時區問題
+    const nowUTC = new Date(now.getTime() + now.getTimezoneOffset() * 60000);
+    const startDateUTC = new Date(startDate.getTime() + startDate.getTimezoneOffset() * 60000);
+    const endDateUTC = new Date(endDate.getTime() + endDate.getTimezoneOffset() * 60000);
+    
+    console.log('🔍 競賽狀態計算:', {
+      competitionId,
+      name: competition.name,
+      now: nowUTC.toISOString(),
+      startDate: startDateUTC.toISOString(),
+      endDate: endDateUTC.toISOString(),
+      originalStatus: competition.status
+    });
+    
+    // 根據實際日期計算狀態
+    if (nowUTC < startDateUTC) {
+      calculatedStatus = 'upcoming'; // 即將開始
+    } else if (nowUTC >= startDateUTC && nowUTC <= endDateUTC) {
+      calculatedStatus = 'active'; // 進行中
+    } else if (nowUTC > endDateUTC) {
+      calculatedStatus = 'completed'; // 已完成
+    }
+    
+    console.log('🔍 計算後的狀態:', calculatedStatus);
+
    // 轉換字段名稱以匹配前端期望的格式
    return {
      ...competition,
+      status: calculatedStatus, // 使用計算後的狀態
      startDate: competition.start_date,
      endDate: competition.end_date,
      evaluationFocus: competition.evaluation_focus,
@@ -2625,7 +2814,7 @@ export class AppService {
      const competitionStatsSql = `
        SELECT 
          COUNT(*) as total_competitions,
-          COUNT(CASE WHEN status = 'active' THEN 1 END) as active_competitions
+          COUNT(CASE WHEN status = 'active' OR status = 'ongoing' THEN 1 END) as active_competitions
        FROM competitions
      `;
      const competitionStats = await this.queryOne(competitionStatsSql);
--- a/package.json
+++ b/package.json
@@ -15,16 +15,6 @@
    "migrate:data": "node scripts/migrate-data.js",
    "migrate:all": "pnpm run migrate:tables && pnpm run migrate:views && pnpm run migrate:triggers && pnpm run migrate:data",
    "migrate:reset": "node scripts/migrate.js --reset",
-    "test:db": "node scripts/test-connection.js",
-    "create:users": "node scripts/create-test-users.js",
-    "add:user-fields": "node scripts/add-user-fields.js",
-    "test:profile": "node scripts/test-profile-update.js",
-    "test:forgot-password": "node scripts/test-forgot-password.js",
-    "test:forgot-password-new": "node scripts/test-forgot-password-new-flow.js",
-    "test:password-visibility": "node scripts/test-password-visibility.js",
-    "test:role-display": "node scripts/test-role-display.js",
-    "test:activity-records": "node scripts/test-activity-records.js",
-    "test:hydration-fix": "node scripts/test-hydration-fix.js",
    "setup": "node scripts/setup.js",
    "db:init-slave": "node scripts/init-slave-database.js",
    "db:sync": "node scripts/sync-database.js",