diff --git a/apps/tools.js b/apps/tools.js
index 774d6cd..ac8d8b7 100644
--- a/apps/tools.js
+++ b/apps/tools.js
@@ -288,7 +288,7 @@ export class tools extends plugin {
                     const videoAddrList = Math.random() > 0.5 ? play_addr_265.url_list : play_addr_h264.url_list;
                     resUrl = videoAddrList[videoAddrList.length - 1] || videoAddrList[0];
                 } else {
-                    // 原始格式
+                    // 原始格式，ps. videoAddrList这里[0]、[1]是 http，[最后一个]是 https
                     const videoAddrList = play_addr.url_list;
                     resUrl = videoAddrList[videoAddrList.length - 1] || videoAddrList[0];
                 }