diff --git a/js/onlineide/leftmenu.js b/js/onlineide/leftmenu.js
index 23b1365..5ecf570 100644
--- a/js/onlineide/leftmenu.js
+++ b/js/onlineide/leftmenu.js
@@ -621,7 +621,7 @@ var sliceFile = function (file) {
 var uploadInternal = function () {
     console.log("upload:" + global.uploadOrder + " total:" + global.chunks.length);
     var isAppend = true;
-    if (global.uploadOrder == 0)
+    if (global.uploadOrder === 0)
         isAppend = false;
     if (global.uploadOrder >= global.chunks.length) {
         progressTextDiv.innerText = global.uploadFiles[global.fileOrder - 1].name + "上传已完成";
@@ -664,18 +664,18 @@ var uploadInternal = function () {
         }
     });
     global.uploadOrder++;
-    return;
-
-    var pingObj = {};
-    pingObj.isAppend = false;
-    pingObj.isPrivate = $("#privateprojecttab").hasClass("active");
-    pingObj.path = global.lastClickProjectName;
-    pingObj.fileName = global.uploadFileName;
-    pingObj.action = "uploadFile";
-    var text = btoa(new Uint8Array(chunk.arrayBuffer));
-
-    pingObj.content = text;
-    global.filewssocket.send(JSON.stringify(pingObj));
+    // return;
+    //
+    // var pingObj = {};
+    // pingObj.isAppend = false;
+    // pingObj.isPrivate = $("#privateprojecttab").hasClass("active");
+    // pingObj.path = global.lastClickProjectName;
+    // pingObj.fileName = global.uploadFileName;
+    // pingObj.action = "uploadFile";
+    // var text = btoa(new Uint8Array(chunk.arrayBuffer));
+    //
+    // pingObj.content = text;
+    // global.filewssocket.send(JSON.stringify(pingObj));
 
 }
 
@@ -723,7 +723,7 @@ var cancelUpload = function () {
 var downloadContract = function (projectName) {
     // console.log(window.location.href);
     let url;
-    if (global.urlparam) {
+    if (global.urlparam && global.urlparam.nodeAddr) {
         if (location.href.startsWith("https")) {
             url = "https://";
         } else {
@@ -731,7 +731,7 @@ var downloadContract = function (projectName) {
         }
         url += `${global.urlparam.nodeAddr}/SCIDE/CMManager?`;
     } else {
-        if (window.location.href.indexOf("/SCIDE") != -1)
+        if (window.location.href.indexOf("/SCIDE") !== -1)
             url = window.location.href.replace("/OnlineIDE.html", "/CMManager?");
         else
             url = window.location.href.replace("/OnlineIDE.html",