diff --git a/index.html b/index.html
index 3cd260c..e14281d 100644
--- a/index.html
+++ b/index.html
@@ -50,10 +50,9 @@ button{
         return new Promise((resolve, reject) => {
           let src = sub[0];
           console.log(`>> begin load script: ${src}`);
-          var s = document.createElement('script');
+          let s = document.createElement('script');
           s.async = true;
           if (sub[1] == 1)s.type = 'module';
-          // s.src = src + (src.indexOf("?") == -1 ? "?" : "&") + "t=" + Date.now();
           s.src =src;
           s.addEventListener('load', function () {
             console.log(`<< finish load script: ${src}`);
@@ -81,8 +80,7 @@ button{
               list[loaded][0] = list[loaded][0] + (list[loaded][0].indexOf("?") == -1 ? "?" : "&") + "t=" + Date.now();
             }
             loadSingleScript(list[loaded]).then(() => {
-              loaded++;
-              if (loaded >= list.length) {
+              if (++loaded >= list.length) {
                 resolve && resolve();
               } else {
                 return loadNext();