diff --git a/plugin/qqwife/favorSystem.go b/plugin/qqwife/favorSystem.go
index cb3e5bee..a4e16cb6 100644
--- a/plugin/qqwife/favorSystem.go
+++ b/plugin/qqwife/favorSystem.go
@@ -215,7 +215,9 @@ func init() {
 				delInfo = append(delInfo, favor.Userinfo)
 				// 解析旧数据
 				userList := strings.Split(favor.Userinfo, "+")
-				if userList[0] > userList[1] {
+				maxQQ, _ := strconv.ParseInt(userList[0], 10, 64)
+				minQQ, _ := strconv.ParseInt(userList[1], 10, 64)
+				if maxQQ > minQQ {
 					favor.Userinfo = userList[0] + "+" + userList[1]
 				} else {
 					favor.Userinfo = userList[1] + "+" + userList[0]