diff --git a/file/files.go b/file/files.go
index f38a3ce..26de794 100644
--- a/file/files.go
+++ b/file/files.go
@@ -203,11 +203,16 @@ func listFiles(dirname string) []string {
 	dirs := []string{}
 	files := []string{}
 
-	// 目录靠前，文件靠后
+	// 排序：目录靠前，文件靠后
 	for _, name := range names {
 		fio, _ := os.Lstat(filepath.Join(dirname, name))
 
 		if fio.IsDir() {
+			// 排除 .git 目录
+			if ".git" == fio.Name() {
+				continue
+			}
+
 			dirs = append(dirs, name)
 		} else {
 			files = append(files, name)
diff --git a/static/js/editor.js b/static/js/editor.js
index 062cd2d..4ad3604 100644
--- a/static/js/editor.js
+++ b/static/js/editor.js
@@ -75,9 +75,6 @@ var editors = {
                 cursorCh: editor.getCursor().ch
             };
 
-            // XXX: 回调有问题，暂时不使用 WS 协议
-            //editorWS.send(JSON.stringify(request));
-
             var autocompleteHints = [];
 
             $.ajax({
diff --git a/static/js/tree.js b/static/js/tree.js
index 56558d5..26e5fa3 100644
--- a/static/js/tree.js
+++ b/static/js/tree.js
@@ -126,8 +126,7 @@ var tree = {
                         }
                     };
                     tree.fileTree = $.fn.zTree.init($("#files"), setting, data.root.children);
-                    // TODO: remove
-                    tree.fileTree.expandAll(true);
+                    // tree.fileTree.expandAll(true);
                 }
             }
         });