diff --git a/dsLightRag/static/YunXiao/xueban.js b/dsLightRag/static/YunXiao/xueban.js
index 841393b6..0207dcfa 100644
--- a/dsLightRag/static/YunXiao/xueban.js
+++ b/dsLightRag/static/YunXiao/xueban.js
@@ -27,13 +27,7 @@ const AudioState = {
 
 // ==================== 工具函数 ====================
 const Utils = {
-    // 获取URL参数
-    getUrlParam(name) {
-        const reg = new RegExp('(^|&)' + name + '=([^&]*)(&|$)');
-        const r = window.location.search.substr(1).match(reg);
-        return r ? unescape(r[2]) : null;
-    },
-    
+
     // 格式化时间显示
     formatTime(seconds) {
         const mins = Math.floor(seconds / 60).toString().padStart(2, '0');