diff --git a/code/public/public/video/common.js b/code/public/public/video/common.js
index 7eb0333..1e0ed00 100644
--- a/code/public/public/video/common.js
+++ b/code/public/public/video/common.js
@@ -570,7 +570,7 @@ function reorderObj(obj) {
 }
 
 document.addEventListener("DOMContentLoaded", function () {
-
+    
 
     if (typeof strVideoId !== "undefined") {
 
@@ -626,10 +626,11 @@ document.addEventListener("DOMContentLoaded", function () {
 
     }
 
+
     // 获取第一个线路 key（带容错）
     function getDefaultLine() {
-        if (!arrPlayUrl || typeof arrPlayUrl !== "object") {
-            console.warn("arrPlayUrl 无效:", arrPlayUrl);
+        if (typeof arrPlayUrl === "undefined" || !arrPlayUrl || typeof arrPlayUrl !== "object" ) {
+            console.warn("arrPlayUrl 无效:");
             return null;
         }