diff --git a/myis11/src/is11/IS11Comon.cpp b/myis11/src/is11/IS11Comon.cpp
index d3d484e..033ce56 100644
--- a/myis11/src/is11/IS11Comon.cpp
+++ b/myis11/src/is11/IS11Comon.cpp
@@ -1,15 +1,20 @@
 #include "IS11Comon.h"
 #ifdef _WIN32
 #include <windows.h>
-#else
+void delay(int ms){
+    Sleep(ms);
+}
 
+#else
+#include <unistd.h> // For usleep
+
+void delay(int ms){
+    usleep(ms * 1000); // Convert milliseconds to microseconds
+}
 #include <unistd.h>
 #include <cstring>
 #endif
 
-void delay(int ms){
-    Sleep(ms);
-}
 
 
 u_char BufferForRead[10000];