diff --git a/platformapi/jdapi/jdapi.go b/platformapi/jdapi/jdapi.go
index 2c114217..a4ceec7d 100644
--- a/platformapi/jdapi/jdapi.go
+++ b/platformapi/jdapi/jdapi.go
@@ -9,6 +9,7 @@ import (
 	"reflect"
 	"sort"
 	"strings"
+	"time"
 
 	"git.rosy.net.cn/baseapi"
 
@@ -190,7 +191,7 @@ func (a *API) AccessAPI2(apiStr string, jdParams map[string]interface{}, traceIn
 
 	err = platformapi.AccessPlatformAPIWithRetry(a.client,
 		func() *http.Request {
-			params["timestamp"] = utils.GetCurTimeStr()
+			params["timestamp"] = time.Now().Add(-5 * time.Minute).Format("2006-01-02 15:04:05") // utils.GetCurTimeStr()
 			sign := strings.ToUpper(a.signParams(params))
 			params[signKey] = sign
 			var request *http.Request