diff --git a/CHANGELOG.md b/CHANGELOG.md
index 12834b2a..51ac4383 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -149,6 +149,16 @@ All notable changes to paopao-ce are documented in this file.
     ```
 - add message filter support for message page.
 - add read all unread message and display unread message count support for message page.
+- add support follow user embed to index trends enable navigation user tweets by slide bar.
+  mirgration database first(sql ddl file in `scripts/migration/**/*_user_relation.up.sql`):
+  ```sql
+  CREATE VIEW p_user_relation AS 
+  SELECT user_id, friend_id he_uid, 5 AS style 
+  FROM p_contact WHERE status=2 AND is_del=0
+  UNION
+  SELECT user_id, follow_id he_uid, 10 AS style 
+  FROM p_following WHERE is_del=0;
+  ```
     
 ## 0.4.2
 ### Fixed
diff --git a/internal/servants/chain/metrics.go b/internal/servants/chain/metrics.go
index e159829e..a6d550c6 100644
--- a/internal/servants/chain/metrics.go
+++ b/internal/servants/chain/metrics.go
@@ -31,6 +31,6 @@ func (m *OnlineUserMetric) Name() string {
 
 func (m *OnlineUserMetric) Action() (err error) {
 	// 暂时仅做标记，不存储其他相关信息
-	m.ac.Set(conf.KeyOnlineUser.Get(m.uid), []byte{}, m.expire)
+	m.ac.SetNx(conf.KeyOnlineUser.Get(m.uid), []byte{}, m.expire)
 	return
 }