优化登录名称

Application/Admin/Model/MemberModel.class.php

@@ -34,7 +34,7 @@ class MemberModel extends Model {
      */
     public function login($uid){
         /* 检测是否在当前应用注册 */
-        $user = $this->field(true)->find($uid);
+        $user = SM("Member","sys_")->field(true)->find($uid);
         if(!$user || 1 != $user['status']) {
             $this->error = '用户不存在或已被禁用！'; //应用级别禁用
             return false;