diff --git a/demo/os/linux/easylogger/port/elog_file_port.c b/demo/os/linux/easylogger/port/elog_file_port.c
index f700517..b34fc40 100755
--- a/demo/os/linux/easylogger/port/elog_file_port.c
+++ b/demo/os/linux/easylogger/port/elog_file_port.c
@@ -73,7 +73,7 @@ ElogErrCode elog_file_port_init(void) {
 /**
  * file log lock
  */
-void inline elog_file_port_lock(void)
+inline void elog_file_port_lock(void)
 {
     semid == -1 ? -1 : semop(semid, (struct sembuf *)&down, 1);
 }
@@ -81,7 +81,7 @@ void inline elog_file_port_lock(void)
 /**
  * file log unlock
  */
-void inline elog_file_port_unlock(void)
+inline void elog_file_port_unlock(void)
 {
     semid == -1 ? -1 : semop(semid, (struct sembuf *)&up, 1);
 }