小修改

@@ -115,7 +115,7 @@ class IndexController extends WebAction
             return;
         }
         $result = array(
-            'code' => '400',
+            'code' => 400,
             'message' => 'operation failed'
             );
         $uid = $this->getUid();
@@ -123,7 +123,7 @@ class IndexController extends WebAction
         do{
             if (!$uid) {
                 $result = array(
-                    'code' => '403',
+                    'code' => 403,
                     'message' => 'uid is null'
                     );
                 break;

@@ -158,7 +158,7 @@ class ListController extends WebAction
         do {
             if (!$uid) {
                 $result = array(
-                    'code' => '403',
+                    'code' => 403,
                     'message' => 'uid is null'
                     );
                 break;