diff --git a/example/casic/serial_port_wrapper.cpp b/example/casic/serial_port_wrapper.cpp
index 6476dc8..f4ad6e4 100644
--- a/example/casic/serial_port_wrapper.cpp
+++ b/example/casic/serial_port_wrapper.cpp
@@ -3,7 +3,6 @@
 //
 
 #include "serial_port_wrapper.hpp"
-#include <unistd.h>
 #include <iomanip>
 #include <iostream>
 

diff --git a/example/casic/serial_port_wrapper.cpp b/example/casic/serial_port_wrapper.cpp
index 6476dc8..f4ad6e4 100644
--- a/example/casic/serial_port_wrapper.cpp
+++ b/example/casic/serial_port_wrapper.cpp
@@ -3,7 +3,6 @@
 //
 
 #include "serial_port_wrapper.hpp"
-#include <unistd.h>
 #include <iomanip>
 #include <iostream>
 
diff --git a/example/casic/tcp_client.cpp b/example/casic/tcp_client.cpp
index 164e07d..b95f33e 100644
--- a/example/casic/tcp_client.cpp
+++ b/example/casic/tcp_client.cpp
@@ -1,8 +1,8 @@
 //
 // Created by casic on 25-2-25.
 //
-#include "tcp_client.hpp"
 
+#include "tcp_client.hpp"
 #include <cstring>
 #include <iostream>
 #include <arpa/inet.h>

diff --git a/example/casic/serial_port_wrapper.cpp b/example/casic/serial_port_wrapper.cpp
index 6476dc8..f4ad6e4 100644
--- a/example/casic/serial_port_wrapper.cpp
+++ b/example/casic/serial_port_wrapper.cpp
@@ -3,7 +3,6 @@
 //
 
 #include "serial_port_wrapper.hpp"
-#include <unistd.h>
 #include <iomanip>
 #include <iostream>
 
diff --git a/example/casic/tcp_client.cpp b/example/casic/tcp_client.cpp
index 164e07d..b95f33e 100644
--- a/example/casic/tcp_client.cpp
+++ b/example/casic/tcp_client.cpp
@@ -1,8 +1,8 @@
 //
 // Created by casic on 25-2-25.
 //
-#include "tcp_client.hpp"
 
+#include "tcp_client.hpp"
 #include <cstring>
 #include <iostream>
 #include <arpa/inet.h>
diff --git a/example/casic/tcp_service.hpp b/example/casic/tcp_service.hpp
index 9a4c43b..a96a354 100644
--- a/example/casic/tcp_service.hpp
+++ b/example/casic/tcp_service.hpp
@@ -5,7 +5,6 @@
 #ifndef TCP_SERVICE_HPP
 #define TCP_SERVICE_HPP
 
-#include <iostream>
 #include <vector>
 #include <boost/asio.hpp>