diff --git a/backend/services/admin-service/src/api/interceptors/maintenance.interceptor.ts b/backend/services/admin-service/src/api/interceptors/maintenance.interceptor.ts
index 342e87ee..260c089c 100644
--- a/backend/services/admin-service/src/api/interceptors/maintenance.interceptor.ts
+++ b/backend/services/admin-service/src/api/interceptors/maintenance.interceptor.ts
@@ -6,6 +6,7 @@ import {
   HttpException,
   HttpStatus,
   Inject,
+  Logger,
 } from '@nestjs/common';
 import { Observable } from 'rxjs';
 import {
@@ -19,6 +20,8 @@ import {
  */
 @Injectable()
 export class MaintenanceInterceptor implements NestInterceptor {
+  private readonly logger = new Logger(MaintenanceInterceptor.name);
+
   constructor(
     @Inject(SYSTEM_MAINTENANCE_REPOSITORY)
     private readonly maintenanceRepo: ISystemMaintenanceRepository,
@@ -28,46 +31,65 @@ export class MaintenanceInterceptor implements NestInterceptor {
     context: ExecutionContext,
     next: CallHandler,
   ): Promise<Observable<any>> {
-    const request = context.switchToHttp().getRequest();
-    const path = request.path;
+    try {
+      const request = context.switchToHttp().getRequest();
+      // 获取请求路径，优先使用 url（去除查询参数）
+      const path = (request.url?.split('?')[0] || request.path) as string;
 
-    // 白名单路径 - 这些路径在维护期间也可以访问
-    const whitelist = [
-      '/mobile/system/maintenance-status', // 维护状态检查
-      '/health', // 健康检查
-      '/api/health', // 健康检查（带前缀）
-    ];
+      // 白名单路径 - 这些路径在维护期间也可以访问
+      // 支持带 /api/v1 前缀和不带前缀的两种情况
+      const whitelist = [
+        '/api/v1/mobile/system/maintenance-status',
+        '/mobile/system/maintenance-status',
+        '/api/v1/health',
+        '/health',
+      ];
 
-    // 只拦截移动端 API（以 /mobile 开头的路径）
-    if (!path.startsWith('/mobile')) {
-      return next.handle();
-    }
+      // 检查是否是移动端 API（需要同时检查带前缀和不带前缀的路径）
+      const isMobileApi =
+        path.includes('/mobile/') ||
+        path.startsWith('/mobile');
 
-    // 检查是否在白名单中
-    if (whitelist.some((p) => path.startsWith(p))) {
-      return next.handle();
-    }
+      // 非移动端 API，直接放行
+      if (!isMobileApi) {
+        return next.handle();
+      }
 
-    // 检查是否在维护中
-    const activeMaintenance = await this.maintenanceRepo.findActiveMaintenance();
+      // 检查是否在白名单中
+      if (whitelist.some((p) => path === p || path.startsWith(p + '/'))) {
+        return next.handle();
+      }
 
-    if (activeMaintenance) {
-      throw new HttpException(
-        {
-          statusCode: HttpStatus.SERVICE_UNAVAILABLE,
-          error: 'Service Unavailable',
-          message: '系统维护中',
-          maintenance: {
-            inMaintenance: true,
-            title: activeMaintenance.title,
-            message: activeMaintenance.message,
-            endTime: activeMaintenance.endTime,
+      // 检查是否在维护中
+      const activeMaintenance = await this.maintenanceRepo.findActiveMaintenance();
+
+      if (activeMaintenance) {
+        this.logger.warn(`系统维护中，阻断请求: ${path}`);
+        throw new HttpException(
+          {
+            statusCode: HttpStatus.SERVICE_UNAVAILABLE,
+            error: 'Service Unavailable',
+            message: '系统维护中',
+            maintenance: {
+              inMaintenance: true,
+              title: activeMaintenance.title,
+              message: activeMaintenance.message,
+              endTime: activeMaintenance.endTime,
+            },
           },
-        },
-        HttpStatus.SERVICE_UNAVAILABLE,
-      );
-    }
+          HttpStatus.SERVICE_UNAVAILABLE,
+        );
+      }
 
-    return next.handle();
+      return next.handle();
+    } catch (error) {
+      // 如果是我们抛出的 HttpException，直接重新抛出
+      if (error instanceof HttpException) {
+        throw error;
+      }
+      // 其他错误（如数据库错误），记录日志但不阻断请求
+      this.logger.error(`维护状态检查失败，放行请求: ${error.message}`);
+      return next.handle();
+    }
   }
 }