diff --git a/_test/tools/br/lib/Staf.php b/_test/tools/br/lib/Staf.php
index 9a660a03e4dcb3d25939bfa5826a4c731754807b..6ae4da4babdf109a6760be897a864dfb31bb120b 100644
--- a/_test/tools/br/lib/Staf.php
+++ b/_test/tools/br/lib/Staf.php
@@ -3,12 +3,13 @@ include 'StafResult.php';
 
 class Staf{
 	public static function handle($src, $cmd, $host='local'){
-		$_cmd = "staf $host $src $cmd";
+		$_cmd = "/usr/local/staf/bin/"."staf $host $src $cmd";
 
 		//print $_cmd;
         echo "wangnew2---".$_cmd."\n";
         echo "wangold2---".$back."\n";
 		exec($_cmd, $back);
+        echo $back;
 		return StafResult::parse($back);
 	}