diff --git a/wwjcloud-nest-v1/tools/java-to-nestjs-migration/generators/controller-generator.js b/wwjcloud-nest-v1/tools/java-to-nestjs-migration/generators/controller-generator.js
index 2f7af918..844d1879 100644
--- a/wwjcloud-nest-v1/tools/java-to-nestjs-migration/generators/controller-generator.js
+++ b/wwjcloud-nest-v1/tools/java-to-nestjs-migration/generators/controller-generator.js
@@ -343,14 +343,21 @@ ${methods}
     // API文档装饰器
     decorators.push('@ApiTags(\'API\')');
     
+    // ✅ 修复：自动识别登录路由，添加@Public()装饰器
+    const controllerPath = (routeInfo.controllerPath || '').toLowerCase();
+    const isLoginRoute = controllerPath.includes('login') || 
+                         controllerPath.includes('register') ||
+                         controllerPath === 'api' ||  // Java的/api通常是公开API
+                         controllerPath === 'api/login';
+    
     // 根据路由信息决定是否添加认证守卫
-    if (routeInfo.hasClassLevelAuth) {
+    if (isLoginRoute || routeInfo.hasClassLevelIgnore) {
+      // 登录/注册路由或Java标记@SaIgnore的路由，自动添加@Public()
+      decorators.push('@Public()');
+    } else if (routeInfo.hasClassLevelAuth) {
       // 如果类级别有 @SaCheckLogin，添加守卫
       decorators.push('@UseGuards(AuthGuard)');
       decorators.push('@ApiBearerAuth()');
-    } else if (routeInfo.hasClassLevelIgnore) {
-      // 如果类级别有 @SaIgnore，添加 @Public()
-      decorators.push('@Public()');
     }
     
     return decorators.join('\n');
diff --git a/wwjcloud-nest-v1/tools/java-to-nestjs-migration/generators/service-generator.js b/wwjcloud-nest-v1/tools/java-to-nestjs-migration/generators/service-generator.js
index b54daeda..328e82ff 100644
--- a/wwjcloud-nest-v1/tools/java-to-nestjs-migration/generators/service-generator.js
+++ b/wwjcloud-nest-v1/tools/java-to-nestjs-migration/generators/service-generator.js
@@ -47,6 +47,21 @@ class ServiceGenerator {
     const fileName = this.namingUtils.generateFileName(javaService.className, 'service');
     const filePath = path.join(fullOutputDir, fileName);
     
+    // ✅ 修复：检查Service是否已实现，不覆盖已实现的Service
+    if (fs.existsSync(filePath)) {
+      const existingContent = fs.readFileSync(filePath, 'utf-8');
+      
+      // 检查是否已实现（不只是TODO占位符）
+      const isImplemented = this.isServiceImplemented(existingContent);
+      
+      if (isImplemented) {
+        console.log(`⏭️  跳过已实现服务: ${filePath}`);
+        return { fileName, content: existingContent, skipped: true };
+      }
+      
+      console.log(`🔄 覆盖TODO占位服务: ${filePath}`);
+    }
+    
     const content = this.generateServiceContent(javaService, serviceName);
     fs.writeFileSync(filePath, content);
     
@@ -54,6 +69,30 @@ class ServiceGenerator {
     return { fileName, content };
   }
 
+  /**
+   * 检查Service是否已实现（不只是TODO占位符）
+   */
+  isServiceImplemented(content) {
+    // 检查是否包含实际业务逻辑的标志：
+    // 1. 有TypeORM的@InjectRepository
+    // 2. 有JwtService
+    // 3. 有bcrypt
+    // 4. 方法体中不只是return null/undefined
+    // 5. 有实际的业务代码（非TODO注释）
+    
+    const implementationMarkers = [
+      /@InjectRepository/,
+      /JwtService/,
+      /bcrypt/,
+      /await.*Repository/,
+      /this\..*Repository\./,
+      /async\s+\w+\([^)]*\)\s*:\s*Promise<[^>]+>\s*{\s*[^}]*(?!\/\/\s*TODO)(?!return\s+null)/,
+    ];
+    
+    // 如果包含任一实现标志，认为是已实现
+    return implementationMarkers.some(marker => marker.test(content));
+  }
+
   /**
    * 根据Java文件路径获取子目录结构
    */