diff --git a/app/api/evaluation/[id]/route.ts b/app/api/evaluation/[id]/route.ts
index b55bec2..62023b5 100644
--- a/app/api/evaluation/[id]/route.ts
+++ b/app/api/evaluation/[id]/route.ts
@@ -119,34 +119,167 @@ export async function GET(
         // 整體改進建議 - evaluation_feedback 的第一筆 overall
         overallSuggestions: feedbackByType.overall[0]?.content || '無改進建議',
         
-        // 繼續保持的優勢 - evaluation_feedback 的 strength
+        // 繼續保持的優勢 - evaluation_feedback 的 feedback_type = strength 且 criteria_item_id 是 null 的全部資料
         maintainStrengths: feedbackByType.strength
-          .filter(f => f.criteria_item_id) // 只取有 criteria_item_id 的
-          .map(f => ({
-            title: f.criteria_item_name || '優勢',
-            description: f.content || '無描述'
-          }))
-          .filter((item, index, arr) => arr.findIndex(i => i.title === item.title) === index), // 去重
+          .filter(f => f.criteria_item_id === null) // 只取 criteria_item_id 是 null 的
+          .map(f => {
+            const content = f.content || '無描述';
+            const colonIndex = content.indexOf(':');
+            const title = colonIndex > -1 ? content.substring(0, colonIndex + 1) : '系統優勢:';
+            const description = colonIndex > -1 ? content.substring(colonIndex + 1).trim() : content;
+            
+            return {
+              title: title,
+              description: description
+            };
+          }),
         
-        // 重點改進方向 - evaluation_feedback 的 improvement (除了最後3筆)
-        keyImprovements: feedbackByType.improvement
-          .filter(f => f.criteria_item_id) // 只取有 criteria_item_id 的
-          .slice(0, -3) // 排除最後3筆
-          .map(f => ({
-            title: f.criteria_item_name || '改進項目',
-            description: f.content || '無描述',
-            suggestions: [f.content || '無建議']
-          }))
-          .filter((item, index, arr) => arr.findIndex(i => i.title === item.title) === index), // 去重
+        // 重點改進方向 - evaluation_feedback 的 feedback_type = improvement 且 criteria_item_id 是 null 的全部資料，但不能有最後 3 筆數據，也不能是第一筆
+        keyImprovements: (() => {
+          const allImprovementData = feedbackByType.improvement
+            .filter(f => f.criteria_item_id === null); // 只取 criteria_item_id 是 null 的
+          
+          // 如果數據不足5筆，則不進行過濾，直接使用所有數據
+          const improvementData = allImprovementData.length >= 5 
+            ? allImprovementData.slice(1, -3) // 排除第一筆和最後3筆
+            : allImprovementData; // 數據不足時使用所有數據
+          
+          // 分組處理 - 先收集所有組，然後合併相同標題的組
+          const tempGroups = [];
+          let currentGroup = null;
+          
+          for (const item of improvementData) {
+            const content = item.content || '';
+            const colonIndex = content.indexOf(':');
+            
+            if (colonIndex > -1) {
+              // 有冒號的情況
+              const title = content.substring(0, colonIndex + 1);
+              const remainingContent = content.substring(colonIndex + 1).trim();
+              
+              // 檢查是否包含小標題 "建議："
+              const suggestionIndex = remainingContent.indexOf('建議：');
+              
+              if (suggestionIndex > -1) {
+                // 如果有小標題，開始新的 group
+                if (currentGroup) {
+                  tempGroups.push(currentGroup);
+                }
+                
+                currentGroup = {
+                  title: title,
+                  subtitle: '建議：',
+                  suggestions: []
+                };
+                
+                // 處理建議後面的內容
+                const suggestionsText = remainingContent.substring(suggestionIndex + 3).trim();
+                const suggestions = suggestionsText.split('\n')
+                  .map(s => s.trim())
+                  .filter(s => s.startsWith('•'))
+                  .map(s => s.substring(1).trim());
+                
+                currentGroup.suggestions = suggestions;
+              } else if (remainingContent.startsWith('•')) {
+                // 如果是條列資料，添加到當前 group
+                if (currentGroup) {
+                  const suggestion = remainingContent.substring(1).trim();
+                  currentGroup.suggestions.push(suggestion);
+                }
+              } else {
+                // 如果是普通描述，創建簡單的 group
+                if (currentGroup) {
+                  tempGroups.push(currentGroup);
+                }
+                
+                currentGroup = {
+                  title: title,
+                  subtitle: '',
+                  suggestions: [remainingContent]
+                };
+              }
+            } else {
+              // 沒有冒號的情況，創建簡單的 group
+              if (currentGroup) {
+                tempGroups.push(currentGroup);
+              }
+              
+              // 檢查內容是否以 • 開頭
+              if (content.startsWith('•')) {
+                // 如果是條列資料，添加到當前 group
+                if (currentGroup) {
+                  const suggestion = content.substring(1).trim();
+                  currentGroup.suggestions.push(suggestion);
+                } else {
+                  // 如果沒有當前 group，創建一個
+                  currentGroup = {
+                    title: '改進方向:',
+                    subtitle: '',
+                    suggestions: [content.substring(1).trim()]
+                  };
+                }
+              } else {
+                // 如果是普通描述，創建新的 group，將內容作為描述而不是條列建議
+                currentGroup = {
+                  title: '改進方向:',
+                  subtitle: '',
+                  description: content,
+                  suggestions: []
+                };
+              }
+            }
+          }
+          
+          // 添加最後一個 group
+          if (currentGroup) {
+            tempGroups.push(currentGroup);
+          }
+          
+          // 合併相同標題的組
+          const groups = [];
+          const groupMap = new Map();
+          
+          for (const group of tempGroups) {
+            if (groupMap.has(group.title)) {
+              // 合併到現有組
+              const existingGroup = groupMap.get(group.title);
+              if (group.suggestions && group.suggestions.length > 0) {
+                // 合併建議並去重
+                const allSuggestions = [...(existingGroup.suggestions || []), ...group.suggestions];
+                existingGroup.suggestions = [...new Set(allSuggestions)]; // 使用 Set 去重
+              }
+              if (group.description) {
+                existingGroup.description = group.description;
+              }
+            } else {
+              // 創建新組
+              groupMap.set(group.title, { ...group });
+            }
+          }
+          
+          // 將合併後的組添加到結果數組
+          for (const group of groupMap.values()) {
+            groups.push(group);
+          }
+          
+          return groups;
+        })(),
         
-        // 下一步行動計劃 - evaluation_feedback 的 improvement 最後3筆
+        // 下一步行動計劃 - evaluation_feedback 的 feedback_type = improvement 且 criteria_item_id 是 null 的最後 3 筆數據
         actionPlan: feedbackByType.improvement
-          .filter(f => f.criteria_item_id) // 只取有 criteria_item_id 的
+          .filter(f => f.criteria_item_id === null) // 只取 criteria_item_id 是 null 的
           .slice(-3) // 取最後3筆
-          .map((f, index) => ({
-            phase: `階段 ${index + 1}`,
-            description: f.content || '無描述'
-          }))
+          .map((f, index) => {
+            const content = f.content || '無描述';
+            const colonIndex = content.indexOf(':');
+            const phase = colonIndex > -1 ? content.substring(0, colonIndex + 1) : `階段 ${index + 1}:`;
+            const description = colonIndex > -1 ? content.substring(colonIndex + 1).trim() : content;
+            
+            return {
+              phase: phase,
+              description: description
+            };
+          })
       },
       chartData: chartData
     };
@@ -165,4 +298,4 @@ export async function GET(
       { status: 500 }
     );
   }
-}
+}
\ No newline at end of file
diff --git a/check-feedback-data.js b/check-feedback-data.js
deleted file mode 100644
index 4a0013a..0000000
--- a/check-feedback-data.js
+++ /dev/null
@@ -1,66 +0,0 @@
-const mysql = require('mysql2/promise');
-
-const dbConfig = {
-  host: 'mysql.theaken.com',
-  port: 33306,
-  user: 'root',
-  password: 'zh6161168',
-  database: 'db_AI_scoring'
-};
-
-async function checkFeedbackData() {
-  let connection;
-  try {
-    console.log('🔗 連接到資料庫...');
-    connection = await mysql.createConnection(dbConfig);
-    console.log('✅ 資料庫連接成功');
-
-    // 檢查 evaluation_feedback 表結構
-    console.log('📋 檢查 evaluation_feedback 表結構...');
-    const [columns] = await connection.execute(`
-      SELECT COLUMN_NAME, DATA_TYPE, IS_NULLABLE, COLUMN_DEFAULT 
-      FROM INFORMATION_SCHEMA.COLUMNS 
-      WHERE TABLE_NAME = 'evaluation_feedback' 
-      ORDER BY ORDINAL_POSITION
-    `);
-    console.log('表結構:', columns);
-
-    // 檢查 evaluation_feedback 數據
-    console.log('📊 檢查 evaluation_feedback 數據...');
-    const [feedbackData] = await connection.execute(`
-      SELECT id, evaluation_id, criteria_item_id, feedback_type, content, sort_order
-      FROM evaluation_feedback 
-      WHERE evaluation_id = 2
-      ORDER BY sort_order
-    `);
-    console.log('評審 ID 2 的反饋數據:', feedbackData);
-
-    // 檢查不同 feedback_type 的數據
-    console.log('🔍 檢查不同 feedback_type 的數據...');
-    const [typeStats] = await connection.execute(`
-      SELECT feedback_type, COUNT(*) as count
-      FROM evaluation_feedback 
-      GROUP BY feedback_type
-    `);
-    console.log('feedback_type 統計:', typeStats);
-
-    // 檢查 criteria_items 表
-    console.log('📝 檢查 criteria_items 表...');
-    const [criteriaItems] = await connection.execute(`
-      SELECT id, name, description
-      FROM criteria_items
-      ORDER BY id
-    `);
-    console.log('評分標準項目:', criteriaItems);
-
-  } catch (error) {
-    console.error('❌ 錯誤:', error.message);
-  } finally {
-    if (connection) {
-      await connection.end();
-      console.log('🔌 資料庫連接已關閉');
-    }
-  }
-}
-
-checkFeedbackData();
diff --git a/check-strength-improvement.js b/check-strength-improvement.js
deleted file mode 100644
index 26fa975..0000000
--- a/check-strength-improvement.js
+++ /dev/null
@@ -1,61 +0,0 @@
-const mysql = require('mysql2/promise');
-
-const dbConfig = {
-  host: 'mysql.theaken.com',
-  port: 33306,
-  user: 'root',
-  password: 'zh6161168',
-  database: 'db_AI_scoring'
-};
-
-async function checkStrengthImprovement() {
-  let connection;
-  try {
-    console.log('🔗 連接到資料庫...');
-    connection = await mysql.createConnection(dbConfig);
-    console.log('✅ 資料庫連接成功');
-
-    // 檢查 strength 類型的數據
-    console.log('💪 檢查 strength 類型的數據...');
-    const [strengthData] = await connection.execute(`
-      SELECT ef.id, ef.evaluation_id, ef.criteria_item_id, ef.content, ci.name as criteria_name
-      FROM evaluation_feedback ef
-      LEFT JOIN criteria_items ci ON ef.criteria_item_id = ci.id
-      WHERE ef.evaluation_id = 2 AND ef.feedback_type = 'strength'
-      ORDER BY ef.criteria_item_id, ef.sort_order
-    `);
-    console.log('優點數據:', strengthData);
-
-    // 檢查 improvement 類型的數據
-    console.log('🔧 檢查 improvement 類型的數據...');
-    const [improvementData] = await connection.execute(`
-      SELECT ef.id, ef.evaluation_id, ef.criteria_item_id, ef.content, ci.name as criteria_name
-      FROM evaluation_feedback ef
-      LEFT JOIN criteria_items ci ON ef.criteria_item_id = ci.id
-      WHERE ef.evaluation_id = 2 AND ef.feedback_type = 'improvement'
-      ORDER BY ef.criteria_item_id, ef.sort_order
-    `);
-    console.log('改進建議數據:', improvementData);
-
-    // 檢查 criteria 類型的數據（AI 評語）
-    console.log('💬 檢查 criteria 類型的數據（AI 評語）...');
-    const [criteriaData] = await connection.execute(`
-      SELECT ef.id, ef.evaluation_id, ef.criteria_item_id, ef.content, ci.name as criteria_name
-      FROM evaluation_feedback ef
-      LEFT JOIN criteria_items ci ON ef.criteria_item_id = ci.id
-      WHERE ef.evaluation_id = 2 AND ef.feedback_type = 'criteria'
-      ORDER BY ef.criteria_item_id, ef.sort_order
-    `);
-    console.log('AI 評語數據:', criteriaData);
-
-  } catch (error) {
-    console.error('❌ 錯誤:', error.message);
-  } finally {
-    if (connection) {
-      await connection.end();
-      console.log('🔌 資料庫連接已關閉');
-    }
-  }
-}
-
-checkStrengthImprovement();
diff --git a/test-chart-data.js b/test-chart-data.js
deleted file mode 100644
index c5d9ae8..0000000
--- a/test-chart-data.js
+++ /dev/null
@@ -1,74 +0,0 @@
-const http = require('http');
-
-function makeRequest(url) {
-  return new Promise((resolve, reject) => {
-    const req = http.get(url, (res) => {
-      let data = '';
-      res.on('data', (chunk) => {
-        data += chunk;
-      });
-      res.on('end', () => {
-        try {
-          const jsonData = JSON.parse(data);
-          resolve(jsonData);
-        } catch (error) {
-          reject(error);
-        }
-      });
-    });
-    req.on('error', reject);
-  });
-}
-
-async function testChartData() {
-  try {
-    console.log('🧪 測試圖表數據生成...');
-    
-    // 測試評審詳細API
-    console.log('📋 測試評審詳細API (ID=2)...');
-    const detailData = await makeRequest('http://localhost:3000/api/evaluation/2');
-    
-    if (detailData.success) {
-      console.log('✅ API 調用成功');
-      console.log('📊 專案標題:', detailData.data.projectTitle);
-      console.log('📊 總分:', detailData.data.overallScore);
-      
-      // 檢查圖表數據
-      console.log('\n📊 圖表數據檢查:');
-      
-      console.log('\n📈 各項目得分 (Bar Chart):');
-      detailData.data.chartData.barChart.forEach((item, index) => {
-        console.log(`  ${index + 1}. ${item.name}: ${item.score}分`);
-      });
-      
-      console.log('\n🥧 權重分布 (Pie Chart):');
-      detailData.data.chartData.pieChart.forEach((item, index) => {
-        console.log(`  ${index + 1}. ${item.name}: 權重=${item.weight}%, 加權分數=${item.value}`);
-      });
-      
-      console.log('\n🎯 能力雷達圖 (Radar Chart):');
-      detailData.data.chartData.radarChart.forEach((item, index) => {
-        console.log(`  ${index + 1}. ${item.subject}: ${item.score}/${item.fullMark}`);
-      });
-      
-      // 檢查評分標準詳情
-      console.log('\n📝 評分標準詳情:');
-      detailData.data.criteria.forEach((criteria, index) => {
-        console.log(`  ${index + 1}. ${criteria.name}: ${criteria.score}/${criteria.maxScore}`);
-        console.log(`     AI 評語: ${criteria.feedback}`);
-        console.log(`     優點: ${criteria.strengths.length > 0 ? criteria.strengths.join(', ') : '無'}`);
-        console.log(`     改進建議: ${criteria.improvements.length > 0 ? criteria.improvements.join(', ') : '無'}`);
-        console.log('');
-      });
-      
-    } else {
-      console.log('❌ API 調用失敗:', detailData.error);
-    }
-    
-  } catch (error) {
-    console.error('❌ 測試失敗:', error.message);
-  }
-}
-
-// 等待一下讓服務器啟動
-setTimeout(testChartData, 2000);
diff --git a/test-database.js b/test-database.js
deleted file mode 100644
index 902755c..0000000
--- a/test-database.js
+++ /dev/null
@@ -1,40 +0,0 @@
-const mysql = require('mysql2/promise');
-
-const dbConfig = {
-  host: 'mysql.theaken.com',
-  port: 33306,
-  user: 'root',
-  password: 'zh6161168',
-  database: 'db_AI_scoring'
-};
-
-async function checkData() {
-  let connection;
-  try {
-    console.log('🔗 連接到資料庫...');
-    connection = await mysql.createConnection(dbConfig);
-    console.log('✅ 資料庫連接成功');
-
-    // 檢查評審記錄
-    const [evaluations] = await connection.execute('SELECT id, project_id, overall_score, grade FROM evaluations LIMIT 5');
-    console.log('📊 評審記錄:', evaluations);
-
-    // 檢查專案記錄
-    const [projects] = await connection.execute('SELECT id, title, status FROM projects LIMIT 5');
-    console.log('📋 專案記錄:', projects);
-
-    // 檢查評分記錄
-    const [scores] = await connection.execute('SELECT id, evaluation_id, criteria_item_id, score FROM evaluation_scores LIMIT 5');
-    console.log('🎯 評分記錄:', scores);
-
-  } catch (error) {
-    console.error('❌ 錯誤:', error.message);
-  } finally {
-    if (connection) {
-      await connection.end();
-      console.log('🔌 資料庫連接已關閉');
-    }
-  }
-}
-
-checkData();
diff --git a/test-fixed-api.js b/test-fixed-api.js
deleted file mode 100644
index 0898d5d..0000000
--- a/test-fixed-api.js
+++ /dev/null
@@ -1,66 +0,0 @@
-const http = require('http');
-
-function makeRequest(url) {
-  return new Promise((resolve, reject) => {
-    const req = http.get(url, (res) => {
-      let data = '';
-      res.on('data', (chunk) => {
-        data += chunk;
-      });
-      res.on('end', () => {
-        try {
-          const jsonData = JSON.parse(data);
-          resolve(jsonData);
-        } catch (error) {
-          reject(error);
-        }
-      });
-    });
-    req.on('error', reject);
-  });
-}
-
-async function testFixedAPI() {
-  try {
-    console.log('🧪 測試修正後的 API...');
-    
-    // 測試評審詳細API
-    console.log('📋 測試評審詳細API (ID=2)...');
-    const detailData = await makeRequest('http://localhost:3000/api/evaluation/2');
-    
-    if (detailData.success) {
-      console.log('✅ API 調用成功');
-      console.log('📊 專案標題:', detailData.data.projectTitle);
-      console.log('📊 總分:', detailData.data.overallScore);
-      console.log('📊 等級:', detailData.data.grade);
-      
-      console.log('\n📝 評分標準詳情:');
-      detailData.data.criteria.forEach((criteria, index) => {
-        console.log(`  ${index + 1}. ${criteria.name}: ${criteria.score}/${criteria.maxScore}`);
-        console.log(`     AI 評語: ${criteria.feedback}`);
-        console.log(`     優點: ${criteria.strengths.length > 0 ? criteria.strengths.join(', ') : '無'}`);
-        console.log(`     改進建議: ${criteria.improvements.length > 0 ? criteria.improvements.join(', ') : '無'}`);
-        console.log('');
-      });
-      
-      console.log('📋 詳細分析:');
-      console.log('  摘要:', detailData.data.detailedAnalysis.summary);
-      console.log('  關鍵發現:', detailData.data.detailedAnalysis.keyFindings);
-      
-      console.log('\n💡 改進建議:');
-      console.log('  整體建議:', detailData.data.improvementSuggestions.overallSuggestions);
-      console.log('  保持優勢:', detailData.data.improvementSuggestions.maintainStrengths);
-      console.log('  關鍵改進:', detailData.data.improvementSuggestions.keyImprovements);
-      console.log('  行動計劃:', detailData.data.improvementSuggestions.actionPlan);
-      
-    } else {
-      console.log('❌ API 調用失敗:', detailData.error);
-    }
-    
-  } catch (error) {
-    console.error('❌ 測試失敗:', error.message);
-  }
-}
-
-// 等待一下讓服務器啟動
-setTimeout(testFixedAPI, 2000);