diff --git a/README.md b/README.md
index aab1d9e..860b31e 100644
--- a/README.md
+++ b/README.md
@@ -2,18 +2,7 @@
 
 
 ```
-    用于将板子上的串口以网络透传出去。客户端通过tcp协议链接上之后，即可通过socket_fd直接和串口通信。
 
-v1:
-    1.支持基本功能
-    2.支持多个客户端同时链接服务器。多个客户端同时链接时，串口来消息，是以广播的形势发个各个Tcp客户端。
 
-v1.1:
-    1.修复占用CPU过高的BUG
-```
-
-```
-Usage:
-    net_tty.out /dev/ttyUSB0 115200 port
 
 ```
\ No newline at end of file
diff --git a/zuart.out b/release/ubuntu18.04_aarch64_v1/zuart.out
similarity index 100%
rename from zuart.out
rename to release/ubuntu18.04_aarch64_v1/zuart.out
diff --git a/zuart.cpp b/zuart.cpp
index 941267f..63254a6 100644
--- a/zuart.cpp
+++ b/zuart.cpp
@@ -100,13 +100,13 @@ int main(int argc, char const *argv[]) {
   /* code */
   //"net_uart /dev/ttyUSB0 115200 port"
 
-  if (argc != 4) {
-    printf("Usage: %s /dev/ttyUSB0 115200 port\n", argv[0]);
+  if (argc != 3) {
+    printf("Usage: %s /dev/ttyUSB0 115200 \n", argv[0]);
     return -1;
   }
   printf("device name:%s\n", argv[1]);
   printf("baundrate  :%s\n", argv[2]);
-  printf("port       :%s\n", argv[3]);
+  // printf("port       :%s\n", argv[3]);
 
   auto baundrate_find_result = g_baundmap.find(argv[2]);
   if (baundrate_find_result == g_baundmap.end()) {