diff --git a/Main/ghttp.cpp b/Main/ghttp.cpp
index c95e565..cabe138 100644
--- a/Main/ghttp.cpp
+++ b/Main/ghttp.cpp
@@ -145,6 +145,8 @@ int main(int argc, char *argv[])
 	srand(time(NULL));
 
 	while (true) {
+		//NOTICE: here we use 2 processes, father process is used for monitor and control(like, restart)
+		//Child process is used to deal with web requests, can also has many threads
 		pid_t fpid = fork();
 
 		if (fpid == 0) {
@@ -435,6 +437,8 @@ bool stop_thread(pthread_t _thread) {
 	return pthread_kill(_thread, SIGTERM) == 0;
 }
 
+//DEBUG+TODO: the whole process exits and need to reload the database
+//(too slow: quit and restart)
 void* func_timer(void* _args) {
 	signal(SIGTERM, thread_sigterm_handler);
 	sleep(Util::gserver_query_timeout);