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 63ab4ff..05ad75a 100644
--- a/util/Agora_Recording_SDK_for_Linux_FULL/samples/shellUtil.js
+++ b/util/Agora_Recording_SDK_for_Linux_FULL/samples/shellUtil.js
@@ -7,14 +7,14 @@ function shell(){
 
 shell.prototype.Recording =async(appId,uid,channel,channelKey)=>{
     return new Promise((resolve, reject) =>{
-        let  shell =`pwd && ./Recorder_local`+
+        let  shell =`cd util/Agora_Recording_SDK_for_Linux_FULL/samples/ && ./Recorder_local`+
         ` --appId  ` +appId +
         ` --uid ` +uid +
         ` --channel ` +  channel +
         ` --channelKey ` + channelKey +        
         " --appliteDir  \`pwd\`/../bin";
         console.log(shell)
-        callfile.exec('pwd',function(err, stdout, stderr){
+        callfile.exec(shell,function(err, stdout, stderr){
             console.log(arguments);
             if(err){
                 reject(err);