diff --git a/README.md b/README.md
index cf8e89d..7f0dc01 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,7 @@ V602
 
 V1212:
         1. 增加步进电机驱动IO镜像配置项
+        2. 修复ztmc5130部分BUG
 ```