diff --git a/components/lwip/port/freertos/sys_arch.c b/components/lwip/port/freertos/sys_arch.c
index b03fd6df5..68a12c4bf 100755
--- a/components/lwip/port/freertos/sys_arch.c
+++ b/components/lwip/port/freertos/sys_arch.c
@@ -446,7 +446,7 @@ sys_jiffies(void)
 u32_t
 sys_now(void)
 {
-  return xTaskGetTickCount();
+  return (xTaskGetTickCount() * portTICK_PERIOD_MS);
 }
 
 /*