diff --git a/pkg/common/db/cache/group.go b/pkg/common/db/cache/group.go
index 31d23ef02..e2e8b2a57 100644
--- a/pkg/common/db/cache/group.go
+++ b/pkg/common/db/cache/group.go
@@ -36,7 +36,7 @@ const (
 	groupExpireTime        = time.Second * 60 * 60 * 12
 	groupInfoKey           = "GROUP_INFO:"
 	groupMemberIDsKey      = "GROUP_MEMBER_IDS:"
-	groupMembersHashKey    = "GROUP_MEMBERS_HASH:"
+	groupMembersHashKey    = "GROUP_MEMBERS_HASH2:"
 	groupMemberInfoKey     = "GROUP_MEMBER_INFO:"
 	joinedSuperGroupsKey   = "JOIN_SUPER_GROUPS:"
 	SuperGroupMemberIDsKey = "SUPER_GROUP_MEMBER_IDS:"