diff --git a/service/userService.go b/service/userService.go
index 6edd7e1..dd09c8e 100644
--- a/service/userService.go
+++ b/service/userService.go
@@ -125,8 +125,8 @@ func UpdateUser(user_id int, req proto.UpdateUserInfoReq) (int, error) {
 func UpdateUserCache(id int) {
 	key := "user_info_" + strconv.Itoa(id)
 	if worker.IsContainKey(key) {
-		user := GetUserByID(id)
-		userJson, err := json.Marshal(user)
+		users := GetUserByID(id)
+		userJson, err := json.Marshal(users[0]) //统一使用User不使用数组
 		if err != nil {
 			fmt.Println("get user info , json marshal error:", err)
 		}