diff --git a/scripts-demo/tc-01.bat b/scripts-demo/tc-01.bat
index 52bbaf89ad5e1205b8c32ecbe49a804eb9c78158..440eac8ade9261f3bda8a384f1461c6ded4033e2 100755
--- a/scripts-demo/tc-01.bat
+++ b/scripts-demo/tc-01.bat
@@ -21,4 +21,4 @@ TC;
 for /f "delims=" %%i in ('ping zentao.com -n 1 ^| findstr "TTL"') do set output=%%i
 
 echo #
-echo !output!
+echo %output%