refactor: 修改图片上传

app/admin/controller/v1/Images.php

@@ -13,6 +13,9 @@ class Images
     public function upload()
     {
         $file = request()->file('image');
+        if (is_null($file)) {
+            return error('请确定上传对象或字段是否正确');
+        }
 
         try {
             $validate = validate([