From 2ee3b5d6d236a90fdaa9c27c548575757fe91363 Mon Sep 17 00:00:00 2001
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 <1425962791@qq.com>
Date: Sun, 8 Feb 2026 19:30:33 +0800
Subject: [PATCH] =?UTF-8?q?=E6=9B=B4=E6=96=B0=E8=B7=B3=E8=BD=ACapp?=
 =?UTF-8?q?=E9=80=BB=E8=BE=91?=
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---
 bootloader/Ymodem/menu.c | 4 +---
 1 file changed, 1 insertion(+), 3 deletions(-)

diff --git a/bootloader/Ymodem/menu.c b/bootloader/Ymodem/menu.c
index c4669bf..c3ea23a 100644
--- a/bootloader/Ymodem/menu.c
+++ b/bootloader/Ymodem/menu.c
@@ -276,10 +276,8 @@ void Main_Menu(void)
 void jump_to_app(void)
 {
     USER_USB_DEVICE_DeInit();
-    // 手动配置USB引脚为GPIO输出，强制拉低DP线以模拟拔出
-    USER_USBD_LL_Simulate_Disconnect();
     // 给予PC足够的时间来识别设备断开
-    HAL_Delay(1000);
+    HAL_Delay(500);
     HAL_RCC_DeInit();
     HAL_DeInit();
     //user code here