diff --git a/app/drivers/sertrf/sertrf.c b/app/drivers/sertrf/sertrf.c
index 63d6f1f..36e7a0a 100644
--- a/app/drivers/sertrf/sertrf.c
+++ b/app/drivers/sertrf/sertrf.c
@@ -27,6 +27,12 @@ void sertrf_start(void)
                      NULL,
                      4096,
                      20);
+    os_thread_create(&sertrf.pc_thread,
+                     "pc_thread",
+                     pc_thread,
+                     NULL,
+                     4096,
+                     20);
     os_thread_create(&sertrf.task_thread,
                      "task_thread",
                      task_thread,
@@ -34,6 +40,7 @@ void sertrf_start(void)
                      2048,
                      10);
 }
+//因为 串口
 void embedded_thread(void* arg)
 {
     while(true)
@@ -49,7 +56,17 @@ void embedded_thread(void* arg)
             // SYS_LOG_INF("data : %s", data);
             pc_device_write(&sertrf.device, data, embedded_size);
         }
-
+        printf_chill_time(10,1000);
+        
+        //需要添加一些延时，否则会卡死，导致看门狗复位
+        // vTaskDelay(( TickType_t ) 1000 / configTICK_RATE_HZ);
+        os_thread_sleep(1);
+    }
+}
+void pc_thread(void* arg)
+{
+    while(true)
+    {
         uint32_t pc_size = pc_device_get_rx_length(&sertrf.device);
         
         if(pc_size > 0)
@@ -66,6 +83,7 @@ void embedded_thread(void* arg)
         os_thread_sleep(1);
     }
 }
+
 void task_thread(void* arg)
 {
     while(true)
@@ -75,8 +93,8 @@ void task_thread(void* arg)
 
         if(sertrf.device.connect_pc > DISCONNECT)
         {
-            size_t end_time = 0;
-            if(start_time - end_time > 1000)
+            static size_t end_time = 0;
+            if(start_time - end_time > 2000)
             {
                 switch(get_protocol_status())
                 {
diff --git a/app/drivers/sertrf/sertrf.h b/app/drivers/sertrf/sertrf.h
index 88ca35d..6c2d71f 100644
--- a/app/drivers/sertrf/sertrf.h
+++ b/app/drivers/sertrf/sertrf.h
@@ -4,11 +4,12 @@
 #include "../led_strip/led_strip.h"
 #include "key.h"
 #include "protocol/p_protocol.h"
-
+#include "protocol/kuyi_protl.h"
 typedef struct 
 {
     device_t device;
     os_thread_t embedded_thread;
+    os_thread_t pc_thread;
     os_thread_t task_thread;
 }sertrf_t;