diff --git a/server/src/main.cpp b/server/src/main.cpp
index 8962417..e582c7f 100644
--- a/server/src/main.cpp
+++ b/server/src/main.cpp
@@ -400,6 +400,7 @@ int CMain::ReadConfig()
 	}
 
 	// if file exists, read last network traffic record，reset m_LastNetworkIN and m_LastNetworkOUT
+	// support by: https://cpp.la, todo: restart multiple times, inaccurate
     IOHANDLE nFile = io_open(m_Config.m_aJSONFile, IOFLAG_READ);
     if(nFile)
     {