diff --git a/launcher/launcher-win10.bat b/launcher/launcher-win10.bat
index 6c1dbb5d..17a9722f 100644
--- a/launcher/launcher-win10.bat
+++ b/launcher/launcher-win10.bat
@@ -21,13 +21,12 @@ for /f "tokens=2*" %%a in ('reg query "HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\M
 )
 
 :napcat_boot
-for %%a in (%RetString%) do (
+for %%a in ("%RetString%") do (
     set "pathWithoutUninstall=%%~dpa"
 )
 
 SET QQPath=%pathWithoutUninstall%QQ.exe
 
-REM 拿不到QQ路径则退出
 if not exist "%QQpath%" (
     echo provided QQ path is invalid: %QQpath%
     pause
diff --git a/launcher/launcher.bat b/launcher/launcher.bat
index 3ceff3bc..84be339a 100644
--- a/launcher/launcher.bat
+++ b/launcher/launcher.bat
@@ -21,7 +21,6 @@ for /f "tokens=2*" %%a in ('reg query "HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\M
 )
 
 :napcat_boot
-:: %RetString% 增加引号，解决QQ目录包含空格的问题，比如安装在：C:\Program Files\Tencent\QQNT
 for %%a in ("%RetString%") do (
     set "pathWithoutUninstall=%%~dpa"
 )
@@ -33,6 +32,7 @@ if not exist "%QQpath%" (
     pause
     exit /b
 )
+
 set NAPCAT_MAIN_PATH=%NAPCAT_MAIN_PATH:\=/%
 echo (async () =^> {await import("file:///%NAPCAT_MAIN_PATH%")})() > %NAPCAT_LOAD_PATH%