修改志愿者列表

@@ -92,9 +92,10 @@ class MemberCenterController extends RestBaseController
             $user['activity_num']=count($user_join);
         }
         if (empty($user_team)){
-            $user['group_num']=count($user_team);
-        }else{
             $user['group_num']=0;
+        }else{
+            $user['group_num']=count($user_team);
+
         }