diff --git a/source/version_two/user_guide/assembly_test/battery_install.md b/source/version_two/user_guide/assembly_test/battery_install.md
index a3ca08e..09526eb 100644
--- a/source/version_two/user_guide/assembly_test/battery_install.md
+++ b/source/version_two/user_guide/assembly_test/battery_install.md
@@ -4,30 +4,30 @@
 
 ## ⼀、底盘电池安装
 
-1、打开顶盖螺丝⼋个螺丝，取下顶盖
+1. 打开顶盖螺丝⼋个螺丝，取下顶盖
 
 <img style="width:30%" src="imgs/battery_install_5.png"/>
 
-2、打开电池仓⻔
+2. 打开电池仓⻔
 
 <img style="width:30%" src="imgs/battery_install_6.png"/>
 
-3、安装电池连接接⼝
+3. 安装电池连接接⼝
 
 <img style="width:30%" src="imgs/battery_install_7.png"/>
 
-4、安装顶盖
+4. 安装顶盖
 
 ## ⼆、电源模块电池安装
 
-1、打开四⻆螺丝，取下上盖
+1. 打开四⻆螺丝，取下上盖
 
 <img style="width:30%" src="imgs/battery_install_4.jpeg"/>
 
-2、安装电池连接接⼝
+2. 安装电池连接接⼝
 
 <img style="width:30%" src="imgs/battery_install_8.png"/>
 
-3、安装上盖
+3. 安装上盖