更新

app/Services/NoticeService.php

@@ -98,7 +98,8 @@ class NoticeService
         if(empty($id)){
             throw new Exception("参数错误");
         }
-        if(!$message = UserSystemMessageModel::query()->find($id)){
+        $user = auth('api')->user();
+        if(!$message = UserSystemMessageModel::query()->where(['id'=>$id,'user_id'=>$user->id])->find($id)){
             throw new Exception("消息不存在");
         }
         $message->is_delete = 1;