diff --git a/src/Common/config.h b/src/Common/config.h
index e1841090..cd678c76 100644
--- a/src/Common/config.h
+++ b/src/Common/config.h
@@ -57,7 +57,7 @@ bool loadIniConfig(const char *ini_path = nullptr);
 #define CLEAR_ARR(arr) for(auto &item : arr){ item = 0;}
 #endif //CLEAR_ARR
 
-#define SERVER_NAME "ZLMediaKit-3.0"
+#define SERVER_NAME "ZLMediaKit-4.0"
 #define VHOST_KEY "vhost"
 #define HTTP_SCHEMA "http"
 #define RTSP_SCHEMA "rtsp"