diff --git a/_server/editor_mode.js b/_server/editor_mode.js
index e306464e..bc8ff3e1 100644
--- a/_server/editor_mode.js
+++ b/_server/editor_mode.js
@@ -456,7 +456,7 @@ editor_mode = function (editor) {
                 printe("该楼层已存在！");
                 return;
             }
-            if (!/^[a-zA-Z_]*[a-zA-Z0-9_]*$/.test(newFileName)) {
+            if (!/^[a-zA-Z_][a-zA-Z0-9_]*$/.test(newFileName.value)) {
                 printe("楼层名不合法！请使用字母、数字、下划线，且不能以数字开头！");
                 return;
             }