更新

app/Http/Controllers/Api/UserController.php

@@ -94,7 +94,7 @@ class UserController extends Controller
 
             if(UserInfoModel::query()->leftJoin('users','users_info.user_id','=','users.id')
                 ->where(['users_info.nickname'=>$request->nickname,'users.is_distory'=>0])
-                ->where('user_id', '!=' , $user->id)->first()){
+                ->where('users_info.user_id', '!=' , $user->id)->first()){
                 throw new Exception("昵称已被使用");
             }
             //邀请码设置