diff --git a/cmd/Open-IM-SDK-Core b/cmd/Open-IM-SDK-Core
index 610fc07d4..0e5729141 160000
--- a/cmd/Open-IM-SDK-Core
+++ b/cmd/Open-IM-SDK-Core
@@ -1 +1 @@
-Subproject commit 610fc07d46dd0ee52428bf429beb80a515e6b872
+Subproject commit 0e57291413f3cccd365c6947875387638349276a
diff --git a/pkg/common/constant/constant.go b/pkg/common/constant/constant.go
index 39487fcd0..42a4d07c3 100644
--- a/pkg/common/constant/constant.go
+++ b/pkg/common/constant/constant.go
@@ -87,8 +87,8 @@ const (
 	//Pc端互斥，移动端互斥，但是web端可以同时在线
 	PcMobileAndWeb = 4
 
-	OnlineStatus  = "Online"
-	OfflineStatus = "Offline"
+	OnlineStatus  = "online"
+	OfflineStatus = "offline"
 )
 
 var ContentType2PushContent = map[int64]string{