diff --git a/README.md b/README.md
index f3ad36c..ffcc479 100644
--- a/README.md
+++ b/README.md
@@ -1,3 +1,9 @@
+### 接线
+语音助手
+TX:PD8
+RX:PD9
+
+
 # 红外遥控贪吃蛇/显示+上传温度等数据
 
 ![简略教程封面](/my_picture/简略教程封面.jpg)  
diff --git a/applications/uart_sample.c b/applications/assistant.c
similarity index 97%
rename from applications/uart_sample.c
rename to applications/assistant.c
index 5fdbff0..0eec5c7 100644
--- a/applications/uart_sample.c
+++ b/applications/assistant.c
@@ -94,6 +94,12 @@ static void serial_thread_entry(void *parameter)
     }
 }
 
+
+void serial_send(char *str)
+{
+    rt_device_write(serial, 0, str, (sizeof(str) - 1));
+}
+
 int aiv_init(void)
 {
     LOG5("VOICE assistant START");
diff --git a/applications/assistant.h b/applications/assistant.h
new file mode 100644
index 0000000..5122f05
--- /dev/null
+++ b/applications/assistant.h
@@ -0,0 +1 @@
+void serial_send(char *str);
\ No newline at end of file
diff --git a/applications/status.c b/applications/status.c
new file mode 100644
index 0000000..09eae5f
--- /dev/null
+++ b/applications/status.c
@@ -0,0 +1,32 @@
+
+#include <rtthread.h>
+#include <rtdevice.h>
+#include <drv_gpio.h>
+#include <assistant.h>
+#include <sim.h>
+
+
+#define THREAD_PRIORITY 25
+#define THREAD_STACK_SIZE 4096
+#define THREAD_TIMESLICE 5
+
+#define LOG_TAG "status"
+#define DBG_LVL DBG_LOG
+// #define DBG_LVL DBG_INFO
+
+#define USE_LOG1
+#define USE_LOG2
+#define USE_LOG3
+// #define USE_LOG4
+#define USE_LOG5
+// #define USE_LOG6
+// #define USE_LOG_D
+#include "logn.h"
+
+void danger_status(void)
+{
+    char *str = "aa";
+    serial_send(str);
+    sim_call("17318112360");
+}
+MSH_CMD_EXPORT_ALIAS(danger_status, danger, show danger_status);
\ No newline at end of file