修改删除底部导航

app/JsonRpc/FooterService.php

@@ -132,6 +132,7 @@ class FooterService implements FooterServiceInterface
         try{
             $footer_category = FooterCategory::where('id', $data['id'])->first();
             if (!$footer_category) {
+                Db::rollBack();
                 return Result::error("该底部导航不存在！");
             }else{
                 $result['footer_category'] = FooterCategory::where('id', $data['id'])->delete();