diff --git a/lives/2020-12-19/day.yml b/lives/2020-12-19/day.yml
index c9629ba3569d74d326ef828dadf4cd0f4452fbe1..4a27f5b1ceda29cd9f681fa4ecac2a18893d9283 100644
--- a/lives/2020-12-19/day.yml
+++ b/lives/2020-12-19/day.yml
@@ -16,7 +16,7 @@ items:
     title: 'A会场'
     namespace_path: ' '
     description: '2020 中国 .NET 开发者大会 A会场'
-    live_link: 'https://live.csdn.net/room/dotnetconf/uKxekbk8'
+    live_link: 'https://live.csdn.net/room/dotnetconf/1v1d3YbH'
 #3   
   - start_time: '13:00'
     end_time: '17:30'
diff --git a/lives/index.yml b/lives/index.yml
index 24c28e97e0feda94b728f7dbf6c875e08ce3f277..d0c50172a55a6cd97a428673596fc75c3af1807c 100644
--- a/lives/index.yml
+++ b/lives/index.yml
@@ -14,11 +14,11 @@ lives:
     image: 'https://codechina.csdn.net/uploads/-/system/project/avatar/8723/dotnet.jpeg?width=90'
     live_id: 'vsSvMjB9'
 #2 
-  - url: 'https://live.csdn.net/room-iframe/dotnetconf/uKxekbk8'
-    wap_url: 'https://live.csdn.net/room/dotnetconf/uKxekbk8'
+  - url: 'https://live.csdn.net/room-iframe/dotnetconf/1v1d3YbH'
+    wap_url: 'https://live.csdn.net/room/dotnetconf/1v1d3YbH'
     title: '.NET Conf China 2020 A会场'
     image: 'https://codechina.csdn.net/uploads/-/system/project/avatar/8723/dotnet.jpeg?width=90'
-    live_id: 'uKxekbk8'
+    live_id: '1v1d3YbH'
 #3 
   - url: 'https://live.csdn.net/room-iframe/weixin_41960540/0qprIByz'
     wap_url: 'https://live.csdn.net/room/weixin_41960540/0qprIByz'