diff --git a/api/controller/System.go b/api/controller/System.go
index 5d77fdc..f07a63b 100644
--- a/api/controller/System.go
+++ b/api/controller/System.go
@@ -6,7 +6,6 @@ import (
 	"time"
 	"vote-admin-api/api/dao"
 	"vote-admin-api/api/dto"
-	"vote-admin-api/api/model"
 	"vote-admin-api/api/requests"
 	"vote-admin-api/api/responses"
 	"vote-admin-api/global"
@@ -96,7 +95,7 @@ func (b *System) PutSystemTime(c *gin.Context) {
 		return
 	}
 
-	if model.LocalTime(startTime) != *systemTime.StartTime {
+	if startTime != time.Time(*systemTime.StartTime) {
 		systemTimeData["start_time"] = req.StartTime
 	}
 
@@ -106,7 +105,7 @@ func (b *System) PutSystemTime(c *gin.Context) {
 		return
 	}
 
-	if model.LocalTime(endTime) != *systemTime.EndTime {
+	if endTime != time.Time(*systemTime.EndTime) {
 		systemTimeData["end_time"] = req.EndTime
 	}