diff --git a/Core/Src/main.c b/Core/Src/main.c
index b78caa8..a67c83f 100644
--- a/Core/Src/main.c
+++ b/Core/Src/main.c
@@ -125,7 +125,10 @@ void Flash_EnableReadProtection(void)
 {
 
   /* USER CODE BEGIN 1 */
-//    Flash_EnableReadProtection();//读保护
+    //远程升级时读保护
+#ifdef REMOTE_UPDATE
+    Flash_EnableReadProtection();//读保护
+#endif
   /* USER CODE END 1 */
 
   /* MCU Configuration--------------------------------------------------------*/