diff --git a/util/Agora_Recording_SDK_for_Linux_FULL/samples/shellUtil.js b/util/Agora_Recording_SDK_for_Linux_FULL/samples/shellUtil.js
index 06260ca..63ab4ff 100644
--- a/util/Agora_Recording_SDK_for_Linux_FULL/samples/shellUtil.js
+++ b/util/Agora_Recording_SDK_for_Linux_FULL/samples/shellUtil.js
@@ -13,7 +13,8 @@ shell.prototype.Recording =async(appId,uid,channel,channelKey)=>{
         ` --channel ` +  channel +
         ` --channelKey ` + channelKey +        
         " --appliteDir  \`pwd\`/../bin";
-        callfile.exec(shell,function(err, stdout, stderr){
+        console.log(shell)
+        callfile.exec('pwd',function(err, stdout, stderr){
             console.log(arguments);
             if(err){
                 reject(err);