diff --git a/SQCSim-common/define.h b/SQCSim-common/define.h
index 7fd0139..bbeaaff 100644
--- a/SQCSim-common/define.h
+++ b/SQCSim-common/define.h
@@ -4,8 +4,8 @@
 #include <iostream>
 #include <chrono>
 
-#define SRV_PORT 1025
-#define CLI_PORT 1026
+#define SRV_PORT 10000
+#define CLI_PORT 10001
 
 #define BUFFER_LENGTH 150