diff --git a/docs/index.md b/docs/index.md
index 74123173..0822fb34 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -199,7 +199,7 @@
 
 ## STEPMOTOR
 ## SERVO
-## LEGO+
+## LEGO_PLUS
 
 **Drive Modules**
 
diff --git a/docs/zh_CN/README.md b/docs/zh_CN/README.md
index 1d8bafcc..b8cde4ab 100644
--- a/docs/zh_CN/README.md
+++ b/docs/zh_CN/README.md
@@ -192,7 +192,7 @@
 
 ## STEPMOTOR
 ## SERVO
-## LEGO+
+## LEGO_PLUS
 
 **驱动模块**