diff --git a/platformapi/jdapi/jdapi.go b/platformapi/jdapi/jdapi.go
index 5e891c78..568fa407 100644
--- a/platformapi/jdapi/jdapi.go
+++ b/platformapi/jdapi/jdapi.go
@@ -124,6 +124,7 @@ func (a *API) signParams(jdParams map[string]interface{}) string {
 	buf := &bytes.Buffer{}
 	buf.WriteString(a.appSecret)
 	for _, k := range keys {
+		fmt.Println("k=======================", k)
 		buf.WriteString(k)
 		buf.WriteString(fmt.Sprint(jdParams[k]))
 	}
@@ -191,7 +192,7 @@ func (a *API) AccessAPI2(apiStr string, jdParams map[string]interface{}, traceIn
 
 	err = platformapi.AccessPlatformAPIWithRetry(a.client,
 		func() *http.Request {
-			params["timestamp"] = time.Now().Add(-5 * time.Minute).Format("2006-01-02 15:04:05") // utils.GetCurTimeStr()
+			params["timestamp"] = time.Now().Add(-3 * time.Minute).Format("2006-01-02 15:04:05") // utils.GetCurTimeStr()
 			fmt.Println("===================sign1:", a.signParams(params))
 			sign := strings.ToUpper(a.signParams(params))
 			fmt.Println("===================sign2:", sign)