diff --git a/External.m3u b/External.m3u
index aa98ebc..9aea8b0 100644
--- a/External.m3u
+++ b/External.m3u
@@ -8,9 +8,6 @@ http://159.75.85.63:5679/cctv4k.php
 http://159.75.85.63:8765/xxtv8k.php
 http://159.75.85.63:8654/xx8k50fps.php
 
-#EXTINF:-1,tvg-id="爱上4k" tvg-name="爱上4k" tvg-logo="https://raw.githubusercontent.com/sumingyd/Telecom-Shandong-IPTV-List/main/img/爱上4K.png" group-title="4K",爱上4k
-http://nas.jdshipin.com:8801/4kys.php
-
 #EXTINF:-1,tvg-id="苏州4K" tvg-name="苏州4K" tvg-logo="https://raw.githubusercontent.com/sumingyd/Telecom-Shandong-IPTV-List/main/img/苏州4k.png" group-title="4K",苏州4K
 http://liveshowbak2.kan0512.com/ksz-norecord/csztv4k_4k.m3u8
 #EXTINF:-1,tvg-id="纪实科教" tvg-name="纪实科教" tvg-logo="https://raw.githubusercontent.com/sumingyd/Telecom-Shandong-IPTV-List/main/img/纪实科教.png" group-title="8K",纪实科教
diff --git a/README.md b/README.md
index 83262f9..be0b389 100644
--- a/README.md
+++ b/README.md
@@ -4,9 +4,9 @@
 
 ## 更新时间记录
 
-* 2023.8.31
-  * 修改外部高清地址
-  * 按类别分类
+* 2023-9-5
+  * 去掉 External.m3u 中失效频道
+  * 增加 对应表.xlsx
 
 ## 说明
 
@@ -70,8 +70,8 @@
 | tvg-shift | 更换EPG的小时数 (仅在需要时使用) |
 | timeshift, tvg-rec | 特定频道的时移可用性 |
 
-  * 示例：
-  
+* 示例：
+
     ```txt
     #EXTM3U
     #EXTINF:-1 tvg-id="Be1.be" tvg-name="Be1 Alt" group-title="News" parent-code="1234" audio-track="nl",Be1 Name