diff --git a/grmi/Date.go b/grmi/Date.go
index 5f4813c..a100bab 100644
--- a/grmi/Date.go
+++ b/grmi/Date.go
@@ -2,8 +2,8 @@ package grmi
 
 import (
 	"LAPP_GAAS_GFrame_BACKEND/utils"
-	"encoding/json"
 	"fmt"
+	json "github.com/json-iterator/go"
 	"time"
 )
 
@@ -34,4 +34,4 @@ func (self *Date) Restore() time.Time {
 func (self *Date) ToString() string {
 	date := self.Restore()
 	return date.Format(DateOutFormat)
-}
\ No newline at end of file
+}
diff --git a/grmi/DateTime.go b/grmi/DateTime.go
index 7b0026e..ec0d4f1 100644
--- a/grmi/DateTime.go
+++ b/grmi/DateTime.go
@@ -2,8 +2,8 @@ package grmi
 
 import (
 	"LAPP_GAAS_GFrame_BACKEND/utils"
-	"encoding/json"
 	"fmt"
+	json "github.com/json-iterator/go"
 	"time"
 )