diff --git a/devices/ec20/ec20.c b/devices/ec20/ec20.c
index d1c98059..beff98d5 100644
--- a/devices/ec20/ec20.c
+++ b/devices/ec20/ec20.c
@@ -3,7 +3,7 @@
  * @author  Mculover666 <2412828003@qq.com>
  * @date    2020/05/07
  * @changelog
-			2020/05/21    Mculover666    Change recv mode is Direct Push Mode
+            2020/05/21    Mculover666    Change recv mode is Direct Push Mode
 */
 
 #include "ec20.h"