diff --git a/business/model/dao/event.go b/business/model/dao/event.go
index a6f56cb2c..2a9b7c2c6 100644
--- a/business/model/dao/event.go
+++ b/business/model/dao/event.go
@@ -218,7 +218,7 @@ func GetMessageGroups(db *DaoDB, userID string, groupID, groupType int, isMember
 	sql := `
 		SELECT a.*, b.name user_name, b.avatar
 		  FROM message_group a
-		  JOIN user b ON b.user_id = a.user_id
+		  LEFT JOIN user b ON b.user_id = a.user_id
 		 WHERE a.deleted_at = ?  
 	`
 	sqlParams := []interface{}{utils.DefaultTimeValue}
@@ -241,7 +241,7 @@ func GetMessageGroups(db *DaoDB, userID string, groupID, groupType int, isMember
 				sql2 := `
 					SELECT a.*, b.* 
 					  FROM message_group_member a 
-					  JOIN user b ON b.user_id = a.member_user_id
+				 LEFT JOIN user b ON b.user_id = a.member_user_id
 					 WHERE a.group_id = ?
 					   AND a.deleted_at = ?
 				`