diff --git a/app/api/upload/route.ts b/app/api/upload/route.ts
new file mode 100644
index 0000000..9a7bc2d
--- /dev/null
+++ b/app/api/upload/route.ts
@@ -0,0 +1,140 @@
+import { NextRequest, NextResponse } from 'next/server';
+import { writeFile, mkdir } from 'fs/promises';
+import { ProjectService, ProjectFileService, CriteriaItemService } from '@/lib/services/database';
+import { 
+  getUploadAbsolutePath, 
+  getUploadRelativePath, 
+  getUploadDirPath, 
+  generateUniqueFileName,
+  isValidFileType,
+  isValidFileSize
+} from '@/lib/utils/file-path';
+
+export async function POST(request: NextRequest) {
+  try {
+    const formData = await request.formData();
+    const projectTitle = formData.get('projectTitle') as string;
+    const projectDescription = formData.get('projectDescription') as string;
+    const file = formData.get('file') as File;
+
+    console.log('🚀 開始處理檔案上傳...');
+    console.log('📝 專案標題:', projectTitle);
+    console.log('📋 專案描述:', projectDescription);
+    console.log('📁 上傳文件:', file ? file.name : '無');
+
+    // 驗證必填欄位
+    if (!projectTitle?.trim()) {
+      return NextResponse.json(
+        { success: false, error: '請填寫專案標題' },
+        { status: 400 }
+      );
+    }
+
+    if (!file) {
+      return NextResponse.json(
+        { success: false, error: '請上傳文件' },
+        { status: 400 }
+      );
+    }
+
+    // 驗證檔案類型
+    if (!isValidFileType(file.type)) {
+      return NextResponse.json(
+        { success: false, error: '不支援的檔案類型' },
+        { status: 400 }
+      );
+    }
+
+    // 驗證檔案大小（100MB）
+    if (!isValidFileSize(file.size, 100)) {
+      return NextResponse.json(
+        { success: false, error: '檔案大小超過 100MB 限制' },
+        { status: 400 }
+      );
+    }
+
+    // 獲取預設評分標準模板
+    const templates = await CriteriaItemService.getAllTemplates();
+    if (!templates || templates.length === 0) {
+      return NextResponse.json(
+        { success: false, error: '未找到評分標準，請先設定評分標準' },
+        { status: 400 }
+      );
+    }
+
+    const templateId = templates[0].id;
+    console.log('📊 使用評分標準模板 ID:', templateId);
+
+    // 創建專案記錄
+    const projectData = {
+      user_id: 1, // 暫時使用固定用戶 ID
+      template_id: templateId,
+      title: projectTitle,
+      description: projectDescription || null,
+      status: 'uploading' as const, // 初始狀態為上傳中
+      analysis_started_at: null,
+      analysis_completed_at: null
+    };
+
+    console.log('💾 創建專案記錄...');
+    const projectResult = await ProjectService.create(projectData);
+    const projectId = (projectResult as any).insertId;
+    console.log('✅ 專案記錄創建成功，ID:', projectId);
+
+    // 準備檔案儲存
+    const uploadDir = getUploadDirPath(projectId);
+    await mkdir(uploadDir, { recursive: true });
+
+    // 生成唯一檔案名稱
+    const uniqueFileName = generateUniqueFileName(file.name);
+    const filePath = getUploadAbsolutePath(projectId, uniqueFileName);
+    const relativeFilePath = getUploadRelativePath(projectId, uniqueFileName);
+
+    // 儲存檔案
+    console.log('💾 儲存檔案到:', filePath);
+    console.log('📁 相對路徑:', relativeFilePath);
+    const bytes = await file.arrayBuffer();
+    await writeFile(filePath, Buffer.from(bytes));
+
+    // 創建檔案記錄
+    const fileExtension = file.name.split('.').pop();
+    const fileData = {
+      project_id: projectId,
+      original_name: file.name,
+      file_name: uniqueFileName,
+      file_path: relativeFilePath, // 使用相對路徑
+      file_size: file.size,
+      file_type: fileExtension || '',
+      mime_type: file.type,
+      upload_status: 'completed' as const,
+      upload_progress: 100
+    };
+
+    console.log('💾 創建檔案記錄...');
+    await ProjectFileService.create(fileData);
+    console.log('✅ 檔案記錄創建成功');
+
+    // 更新專案狀態為 completed（檔案上傳完成）
+    console.log('🔄 更新專案狀態為 completed...');
+    await ProjectService.update(projectId, { status: 'completed' });
+    console.log('✅ 專案狀態更新完成');
+
+    return NextResponse.json({
+      success: true,
+      data: {
+        projectId,
+        fileName: file.name,
+        fileSize: file.size,
+        fileType: file.type
+      },
+      message: '檔案上傳成功'
+    });
+
+  } catch (error) {
+    console.error('❌ 檔案上傳失敗:', error);
+    return NextResponse.json(
+      { success: false, error: '檔案上傳失敗，請稍後再試' },
+      { status: 500 }
+    );
+  }
+}
diff --git a/app/upload/page.tsx b/app/upload/page.tsx
index 28e92d3..538444a 100644
--- a/app/upload/page.tsx
+++ b/app/upload/page.tsx
@@ -135,25 +135,56 @@ export default function UploadPage() {
     setIsAnalyzing(true)
 
     try {
-      console.log('🚀 開始 AI 評審流程...')
+      console.log('🚀 開始上傳和評審流程...')
       console.log('📝 專案標題:', projectTitle)
       console.log('📋 專案描述:', projectDescription)
       console.log('📁 上傳文件數量:', files.length)
       console.log('🌐 網站連結:', websiteUrl)
 
-      // 準備表單數據
+      let projectId = null;
+
+      // 如果有文件，先上傳到資料庫
+      if (files.length > 0) {
+        console.log('📤 上傳文件到資料庫...')
+        const firstFile = files[0]
+        if (firstFile.file) {
+          const uploadFormData = new FormData()
+          uploadFormData.append('projectTitle', projectTitle)
+          uploadFormData.append('projectDescription', projectDescription)
+          uploadFormData.append('file', firstFile.file)
+
+          const uploadResponse = await fetch('/api/upload', {
+            method: 'POST',
+            body: uploadFormData,
+          })
+
+          const uploadResult = await uploadResponse.json()
+
+          if (uploadResult.success) {
+            projectId = uploadResult.data.projectId
+            console.log('✅ 文件上傳成功，專案 ID:', projectId)
+            toast({
+              title: "文件上傳成功",
+              description: `專案已創建，ID: ${projectId}`,
+            })
+          } else {
+            throw new Error(uploadResult.error || '文件上傳失敗')
+          }
+        } else {
+          throw new Error('文件對象遺失，請重新上傳')
+        }
+      }
+
+      // 準備 AI 評審數據
       const formData = new FormData()
       formData.append('projectTitle', projectTitle)
       formData.append('projectDescription', projectDescription)
       
       if (files.length > 0) {
-        // 只處理第一個文件（可以後續擴展支援多文件）
         const firstFile = files[0]
         if (firstFile.file) {
           formData.append('file', firstFile.file)
           console.log('📄 處理文件:', firstFile.name, '大小:', firstFile.size)
-        } else {
-          throw new Error('文件對象遺失，請重新上傳')
         }
       }
       
@@ -162,8 +193,8 @@ export default function UploadPage() {
         console.log('🌐 處理網站連結:', websiteUrl)
       }
 
-      // 發送評審請求
-      console.log('📤 發送評審請求到 API...')
+      // 發送 AI 評審請求
+      console.log('🤖 開始 AI 評審...')
       const response = await fetch('/api/evaluate', {
         method: 'POST',
         body: formData,
@@ -195,9 +226,9 @@ export default function UploadPage() {
         throw new Error(result.error || '評審失敗')
       }
     } catch (error) {
-      console.error('❌ AI 評審失敗:', error)
+      console.error('❌ 上傳或評審失敗:', error)
       toast({
-        title: "評審失敗",
+        title: "操作失敗",
         description: error instanceof Error ? error.message : "請稍後再試",
         variant: "destructive",
       })
diff --git a/lib/utils/file-path.ts b/lib/utils/file-path.ts
new file mode 100644
index 0000000..6e51586
--- /dev/null
+++ b/lib/utils/file-path.ts
@@ -0,0 +1,67 @@
+import { join } from 'path';
+
+/**
+ * 檔案路徑工具函數
+ * 用於處理檔案上傳和路徑管理
+ */
+
+/**
+ * 獲取檔案上傳的絕對路徑（用於實際儲存）
+ */
+export function getUploadAbsolutePath(projectId: string | number, fileName: string): string {
+  return join(process.cwd(), 'uploads', 'projects', projectId.toString(), fileName);
+}
+
+/**
+ * 獲取檔案上傳的相對路徑（用於資料庫儲存）
+ */
+export function getUploadRelativePath(projectId: string | number, fileName: string): string {
+  return `uploads/projects/${projectId}/${fileName}`;
+}
+
+/**
+ * 獲取檔案上傳目錄的絕對路徑
+ */
+export function getUploadDirPath(projectId: string | number): string {
+  return join(process.cwd(), 'uploads', 'projects', projectId.toString());
+}
+
+/**
+ * 從相對路徑獲取絕對路徑
+ */
+export function getAbsolutePathFromRelative(relativePath: string): string {
+  return join(process.cwd(), relativePath);
+}
+
+/**
+ * 生成唯一檔案名稱
+ */
+export function generateUniqueFileName(originalName: string): string {
+  const fileExtension = originalName.split('.').pop();
+  const timestamp = Date.now();
+  const randomString = Math.random().toString(36).substr(2, 9);
+  return `${timestamp}_${randomString}.${fileExtension}`;
+}
+
+/**
+ * 驗證檔案類型
+ */
+export function isValidFileType(mimeType: string): boolean {
+  const allowedTypes = [
+    'application/vnd.ms-powerpoint',
+    'application/vnd.openxmlformats-officedocument.presentationml.presentation',
+    'video/mp4',
+    'video/avi',
+    'video/quicktime',
+    'application/pdf'
+  ];
+  return allowedTypes.includes(mimeType);
+}
+
+/**
+ * 驗證檔案大小
+ */
+export function isValidFileSize(size: number, maxSizeMB: number = 100): boolean {
+  const maxSize = maxSizeMB * 1024 * 1024; // 轉換為位元組
+  return size <= maxSize;
+}
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