修复登录报错问题

Server/application/common/controller/PasswordLoginController.php

@@ -21,7 +21,7 @@ class PasswordLoginController extends BaseController
      * @param int $typeId
      * @return UserModel
      */
-    protected function getUserProfileWithAccountAndType(string $account, int $typeId): UserModel
+    protected function getUserProfileWithAccountAndType(string $account, int $typeId)
     {
         $user = UserModel::where(
             function ($query) use ($account) {
@@ -34,7 +34,11 @@ class PasswordLoginController extends BaseController
                 }
             )->find();
 
-        return $user;
+       if(!empty($user)){
+           return $user;
+       }else{
+           return '';
+       }
     }
 
     /**
@@ -48,7 +52,6 @@ class PasswordLoginController extends BaseController
     protected function getUser(string $account, string $password, int $typeId): array
     {
         $user = $this->getUserProfileWithAccountAndType($account, $typeId);
-
         if (!$user) {
             throw new \Exception('用户不存在或已禁用', 403);
         }