diff --git a/RBcore/client_setting.c b/RBcore/client_setting.c
index 48b8740..170f1e1 100644
--- a/RBcore/client_setting.c
+++ b/RBcore/client_setting.c
@@ -51,7 +51,6 @@ static PV_struct_define decoded_PV = { 0 };
  *----------------------------------------------*/
 int check_PV(char *_pBuffer, uint32_t _iSize)
 {
-    if (_iSize < 4) return -1;
     if (_pBuffer[0] != 0x55) return -1;
     if (_pBuffer[1] != 0x55) return -1;
 
@@ -63,7 +62,7 @@ int check_PV(char *_pBuffer, uint32_t _iSize)
     }
     else
     {
-        return -1;
+        return 0;
     }
 }
 
diff --git a/RBcore/drv_interface.c b/RBcore/drv_interface.c
index 1577cbe..af47fed 100644
--- a/RBcore/drv_interface.c
+++ b/RBcore/drv_interface.c
@@ -241,7 +241,6 @@ void Read_PV(void *argument)
     while(1)
     {
         rd_ComRead(g_ptlpuart, pcBuffer, 64);
-        Rd_Delay(10);
     }
 }
 
@@ -291,6 +290,7 @@ void Drv_InterfaceInit(void)
     TUartUserData *ptUartUserData = UART_userdata_init(0, -1, 512);
 	g_ptlpuart = rd_ComCreate(check_PV, decode_PV, LPUART_PV_Send, ptUartUserData->m_buf_size, ptUartUserData);
 	UART_IT_init(g_ptlpuart);
+	rd_ComSetRecvTime(g_ptlpuart, 1500);// PV平均一到两秒发一条，这里超时时间设置为1.5秒
 
 	const osThreadAttr_t Read_PV_attributes = {
 		.name = "Read_PV",