diff --git a/pdd_union/api.go b/pdd_union/api.go
index 9baf84e..6d914bc 100644
--- a/pdd_union/api.go
+++ b/pdd_union/api.go
@@ -12,7 +12,7 @@ func Send(keyArr map[string]string, method string, param map[string]interface{})
 	param["client_id"] = keyArr["app_key"]
 	param["type"] = method
 	param["data_type"] = "JSON"
-	param["timestamp"] = time.Now().Unix()
+	param["timestamp"] = zhios_third_party_utils.Int64ToStr(time.Now().Unix())
 	// 获取Key
 	var keys []string
 	for k := range param {