fix ended livestream poster get

bot/Douyin.mjs

@@ -76,8 +76,8 @@ class Douyin extends HeroBot {
                     elType = 'video';
 
                     if (!imgElem) {
-                        //尝试获取用户头像作为封面图，兼容直播页面
+                        //尝试获取用户头像作为封面图，兼容直播已结束页面
-                        imgElem = await hero.querySelector('.avatar-component-avatar-container img');
+                        imgElem = await hero.querySelector('.reflow-content img');
                         elType = 'image';
 
                         if (!imgElem) {

test/scrap_test.mjs

@@ -26,6 +26,8 @@ import getConfigs from '../config.mjs';
 
             //直播地址测试
             url = 'https://v.douyin.com/i2WaMoAN/';
+            //已结束直播
+            url = 'https://v.douyin.com/i2W5TV4e/';
 
             configs.heroTabOptions.timeoutMs = 20000;   //所有内容加载完成超时