diff --git a/lives/2020-12-09/day.yml b/lives/2020-12-09/day.yml
index 5aff6c25300f77e6ef9c961d3d8923d5dcd367af..49efcfb6387d604d15b78479521c36b82e4c1da2 100644
--- a/lives/2020-12-09/day.yml
+++ b/lives/2020-12-09/day.yml
@@ -7,36 +7,20 @@ items:
   - start_time: '0:30'
     end_time: '01:00'
     title: '开幕表演：现场编码的原始作品'
-    namespace_path: ''
     description: 'DJ Dave(aka Sarah Davis)'
-    live_link: ''
-    supporters:
-    - url: ' '
-      link: ''
 #2 
   - start_time: '01:30'
     end_time: '01:45'
     title: '开幕致辞'
-    namespace_path: ''
     description: 'Nat Friedman | CEO Github'
-    live_link: ' '
-    supporters:
-    - url: ' '
-      link: ' '
 #3   
   - start_time: '01:45'
     end_time: '02:15'
     title: 'Github 如何帮助你尽早发现漏洞'
-    namespace_path: ' '
-    description: ' '
-    live_link: ' '
-    supporters:
-    - url: ' '
-      link: ' '
 relations:
   - url: ''
     timestamp: '2020-12-10'
-    title: 'java直播'
+    title: '111'
 #  - url: ''
 #    timestamp: '2020-11-12'
 #    title: 'ruby直播'