diff --git a/CMakeLists.txt b/CMakeLists.txt
index 56361fb..121a7f9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,7 +13,7 @@ ENDIF()
 ADD_SUBDIRECTORY(src)
 ADD_SUBDIRECTORY(dict)
 
-if (!${APPLE})
+IF("${CMAKE_SYSTEM}" MATCHES "Linux")
 ADD_SUBDIRECTORY(script)
 ADD_SUBDIRECTORY(conf)
 endif()
diff --git a/README.md b/README.md
index 71bfb86..3713c04 100644
--- a/README.md
+++ b/README.md
@@ -41,6 +41,8 @@ make test
 
 ### 启动服务
 
+因为服务的后台运行需要`start-stop-daemon`，在ubuntu下是自带的。但是在CentOS下就需要自己安装了。
+
 ```
 #Usage: /etc/init.d/cjserver {start|stop|restart|force-reload}
 #启动
diff --git a/script/cjserver b/script/cjserver
index 11cf5f2..85666f0 100755
--- a/script/cjserver
+++ b/script/cjserver
@@ -20,7 +20,7 @@ case "$1" in
 	mkdir -p $RUNDIR
 	touch $PIDFILE
 	chmod 755 $RUNDIR
-	if start-stop-daemon --start --quiet --umask 007 --pidfile $PIDFILE --exec /bin/bash -- -c "$DAEMON $DAEMON_ARGS >> $LOGFILE 2>&1"
+	if start-stop-daemon --start --quiet --pidfile $PIDFILE --exec /bin/bash -- -c "$DAEMON $DAEMON_ARGS >> $LOGFILE 2>&1"
 	then
 		echo "$NAME."
 	else