diff --git a/explore/index.yml b/explore/index.yml
index 5c3900e1725c32d5a215edb592aa5d90bbbaa51a..1935413af19750fcf4a35732fc30e50a5b82ef0c 100644
--- a/explore/index.yml
+++ b/explore/index.yml
@@ -5,18 +5,10 @@ groups:
 - codechina
 - csdn
 - taosdata
-- milvus-io
 - apachecn
 - dcloudio
 - MegEngine
 - RT-Thread
-- paddlepaddle
-- didi
-- OAID
-- webankfintech
-- c-csdn
-- finogeeks
-- justauth
 learning_banner:
 - link: https://codechina.csdn.net/courses
   url: https://codechina.csdn.net/codechina/operation-work/uploads/38be577289ba8800a9caa233416cd4b6/1920x480_1_.png