diff --git a/README.md b/README.md
index 23f00d0..e426b88 100644
--- a/README.md
+++ b/README.md
@@ -11,6 +11,8 @@ AT指令说明
         开机点亮绿色指示灯
     v1.2
         修复串口无法偶尔无效的bug
+    v1.3
+        修改部分打印信息
 
 ```
 
diff --git a/src/main_app.c b/src/main_app.c
index 1f199ef..d5e5230 100644
--- a/src/main_app.c
+++ b/src/main_app.c
@@ -286,7 +286,7 @@ static const flashdata_t s_flashdata;
 // #pragma pack() /*取消指定对齐，恢复缺省对齐*/
 #endif
 int app_main(void) {
-  printf("software version:v1.2\n");
+  printf("software version:v1.3\n");
   // printf("flash add:%x\n", &s_flashdata);
   // s_flashdata.configflashBufSize[1] = 0;
   // prv_set_out_state(prv_get_in_state());