diff --git a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/usart_biz.c b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/usart_biz.c
index 2bf7a0a..50dcc0a 100644
--- a/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/usart_biz.c
+++ b/vd960DBN/BLE/OnlyUpdateApp_Peripheral/APP/usart_biz.c
@@ -36,7 +36,7 @@ void uart_init(void){
     GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN_FLOATING;   // Rx
     GPIO_Init(GPIOA, &GPIO_InitStructure);
 
-    USART_InitStructure.USART_BaudRate            = 115200;  // 115200 (协议规定)
+    USART_InitStructure.USART_BaudRate            = 192000;  // Loop MCU 实际波特率
     USART_InitStructure.USART_WordLength          = USART_WordLength_8b;
     USART_InitStructure.USART_StopBits            = USART_StopBits_1;
     USART_InitStructure.USART_Parity              = USART_Parity_No;