diff --git a/main.c b/main.c
index ae7cea3..3953329 100644
--- a/main.c
+++ b/main.c
@@ -3466,11 +3466,11 @@ int main(int argc, char *argv[])
     setGpio115High();
     setGpio117High();
 
-    uart_open(&uartRecvData,"/dev/ttyS0");//DT
+    uart_open(&uartRecvData,"/dev/ttysWK0");//DT
     uart_init(&uartRecvData,115200,8,1,'N',0);
-    uart_open(&uartRecvBack,"/dev/ttyS1");//HT
+    uart_open(&uartRecvBack,"/dev/ttysWK1");//HT
     uart_init(&uartRecvBack,115200,8,1,'N',0);
-    uart_open(&uartSend,"/dev/ttyS5");//GT U12 ttyS0,U14 ttyS4,U21 ttysWK0 U13 ttysWK1 U15 ttysWK2 U22 ttysWK3 U20 ttyS1
+    uart_open(&uartSend,"/dev/ttysWK5");//GT U12 ttyS0,U14 ttyS4,U21 ttysWK0 U13 ttysWK1 U15 ttysWK2 U22 ttysWK3 U20 ttyS1
     uart_init(&uartSend,115200,8,1,'N',0);
     
     //doCommand_help(0, NULL);