diff --git a/pyminer2.bat b/pyminer2.bat
index 9f5a4e827da05f92a6ee9193ba8c5ac770e64d8e..ea320ae1644ec6d05e3af33cc5c7e76bd340a0e0 100644
--- a/pyminer2.bat
+++ b/pyminer2.bat
@@ -1,7 +1,9 @@
 @echo off
 rem 两个变量拼接，等号前后一定不要有空格
-rem pymminer_road：pyminer.bat 文件路径，默认 pyminer.bat 和 app.py 同一个路径
-set pyminer_road=%~dp0
-set app=app2.py
-set pyminer_path=%pyminer_road%%app%
-python %pyminer_path%
+rem ROAD：pyminer.bat 文件路径，默认 pyminer.bat 和 app2.py 同一个路径
+set ROAD=%~dp0
+set DISK=%ROAD:~0,2%
+%DISK%
+cd %ROAD%
+python app2.py
+pause
\ No newline at end of file