diff --git a/system.html b/system.html
index 44bd0a0..fad55ae 100644
--- a/system.html
+++ b/system.html
@@ -197,14 +197,13 @@
                     },
                     success: function (res) {
                         console.log(res)
-
+                        //完成上传后，通知升级，给文件名和文件大小信息
                         let url = 'http://192.168.0.116/cgi-bin/test.cgi';
                         let postData = {
                             action: 'upgrade',
                             name: name,
                             size: size,
                         }
-
                         $.ajax({
                             type: 'POST',
                             url: url,
@@ -213,6 +212,7 @@
                             success: function (res) {
                                 console.log(res)
                                 if (res.success) {
+                                    //通知升级后，等待1500毫秒后，拉取更新是否成功的信息
                                     setTimeout(() => {
                                         let url = 'http://192.168.0.116/cgi-bin/test.cgi?action=upgrade_get';
                                         $.ajax({