diff --git a/src/master/taskmgr.py b/src/master/taskmgr.py
index 3e7d06d..f56f394 100644
--- a/src/master/taskmgr.py
+++ b/src/master/taskmgr.py
@@ -692,8 +692,13 @@ class TaskMgr(threading.Thread):
                             disk = int(json_task['diskSetting']),
                             gpu = int(json_task['gpuSetting'])),
                         mount = [Mount(
-                                    localPath = json_task['mapping'][mapping_key]['mappingLocalDir'],
-                                    remotePath=json_task['mapping'][mapping_key]['mappingRemoteDir'])
+                                    provider = json_task['mapping'][mapping_key]['mappingProvider'],
+                                    localPath = json_task['mapping'][mapping_key]['mappingMountpath'],
+                                    remotePath = json_task['mapping'][mapping_key]['mappingBucketName'],
+                                    accessKey = json_task['mapping'][mapping_key]['mappingAccessKey'],
+                                    secretKey = json_task['mapping'][mapping_key]['mappingSecretKey'],
+                                    other = json_task['mapping'][mapping_key]['mappingEndpoint']
+                                    )
                                 for mapping_key in json_task['mapping']] if 'mapping' in json_task else []
                         ),
                 ),
diff --git a/src/worker/ossmounter.py b/src/worker/ossmounter.py
index 607ca45..acd2812 100644
--- a/src/worker/ossmounter.py
+++ b/src/worker/ossmounter.py
@@ -27,7 +27,7 @@ class OssMounter(object):
         # umount oss
         pass
 
-class aliyunOssMounter(OssMounter):
+class AliyunOssMounter(OssMounter):
 
     @staticmethod
     def mount_oss(datapath, mount_info):
@@ -42,7 +42,7 @@ class aliyunOssMounter(OssMounter):
 
         cmd = "chmod 640 /etc/passwd-ossfs"
         [success1, msg] = OssMounter.execute_cmd(cmd)
-        mountpath = datapath+"/"+mount_info.remotePath
+        mountpath = datapath+"/Aliyun/"+mount_info.remotePath
         logger.info("Mount oss %s %s" % (mount_info.remotePath, mountpath))
         if not os.path.isdir(mountpath):
             os.makedirs(mountpath)
diff --git a/src/worker/taskworker.py b/src/worker/taskworker.py
index 83304ed..bff7a59 100755
--- a/src/worker/taskworker.py
+++ b/src/worker/taskworker.py
@@ -202,11 +202,12 @@ class TaskWorker(rpc_pb2_grpc.WorkerServicer):
             return rpc_pb2.Reply(status=rpc_pb2.Reply.REFUSED, message=msg)
 
         #mount oss
+        rootfs = "/var/lib/lxc/%s/rootfs" % lxcname
         self.mount_oss("%s/global/users/%s/oss" % (self.fspath,username), mount_list)
         conffile = open("/var/lib/lxc/%s/config" % lxcname, 'a+')
-        mount_str = "lxc.mount.entry = %s/global/users/%s/oss/%s %s/root/oss/%s none bind,rw,create=dir 0 0"
+        mount_str = "lxc.mount.entry = %s/global/users/%s/oss/%s/%s %s/root/oss/%s none bind,rw,create=dir 0 0"
         for mount in mount_list:
-            conffile.write("\n"+ mount_str % (self.fspath, username, mount.remotePath, rootfs, mount.remotePath))
+            conffile.write("\n"+ mount_str % (self.fspath, username, mount.provider, mount.remotePath, rootfs, mount.remotePath))
         conffile.close()
 
         logger.info("Start container %s..." % lxcname)
diff --git a/web/templates/batch/batch_create.html b/web/templates/batch/batch_create.html
index eb7238f..9a873ad 100644
--- a/web/templates/batch/batch_create.html
+++ b/web/templates/batch/batch_create.html
@@ -121,15 +121,20 @@
         $("#collapse" + obj.id).collapse('hide');
     }
 
+    function chmountPath(obj,task_num,mapping_num) {
+      cellid = 'mapping_mountpath_' + task_num + '_' + mapping_num;
+      $('#'+cellid).val("/root/oss/"+obj.value);
+    }
+
     function removeMapping(obj) {
         $("#mapping_" + obj.id).remove();
     }
 
-    function addMapping(obj) {
+    function addMapping(obj,task_num) {
         mapping_number += 1;
         var table = $("#storage_mapping_" + obj.id)[0];
         var new_mapping = table.insertRow();
-        new_mapping.id = "mapping_" + task_number + "_" + mapping_number;
+        new_mapping.id = "mapping_" + task_num + "_" + mapping_number;
         var provider = new_mapping.insertCell();
         var bucket_name = new_mapping.insertCell();
         var accessKey = new_mapping.insertCell();
@@ -137,20 +142,20 @@
         var endpoint = new_mapping.insertCell();
         var mountpath = new_mapping.insertCell();
         var remove = new_mapping.insertCell();
-        bucket_name.innerHTML = '<input type="text" class="form-control" name="mappingBucketName_' + task_number + '_' + mapping_number + '" id="mapping_bucketname_'
-                             + task_number + '_' + mapping_number + '" required/>';
-        accessKey.innerHTML = '<input type="text" class="form-control" name="mappingAccessKey_' + task_number + '_' + mapping_number + '" id="mapping_accessKey_'
-                             + task_number + '_' + mapping_number + '" required/>';
-        secretKey.innerHTML = '<input type="text" class="form-control" name="mappingSecretKey_' + task_number + '_' + mapping_number + '" id="mapping_secretKey_'
-                             + task_number + '_' + mapping_number + '" required/>';
-        endpoint.innerHTML = 'http://<input type="text" class="form-control" name="mappingEndpoint_' + task_number + '_' + mapping_number + '" id="mapping_endpoint_'
-                             + task_number + '_' + mapping_number + '" required/>';
-        mountpath.innerHTML = '<input type="text" class="form-control" name="mappingMountpath_' + task_number + '_' + mapping_number + '" id="mapping_mountpath_'
-                             + task_number + '_' + mapping_number + '" required/>';
-        provider.innerHTML = '<select class="form-control" name="mappingProvider_' + task_number + '_' + mapping_number + '" id="mapping_provider_'
-                          + task_number + '_' + mapping_number + '">'
+        bucket_name.innerHTML = '<input type="text" class="form-control" name="mappingBucketName_' + task_num + '_' + mapping_number + '" id="mapping_bucketname_'
+                             + task_num + '_' + mapping_number + '" onKeyUp="chmountPath(this,'+task_num+','+mapping_number+');" required/>';
+        accessKey.innerHTML = '<input type="text" class="form-control" name="mappingAccessKey_' + task_num + '_' + mapping_number + '" id="mapping_accessKey_'
+                             + task_num + '_' + mapping_number + '" required/>';
+        secretKey.innerHTML = '<input type="text" class="form-control" name="mappingSecretKey_' + task_num + '_' + mapping_number + '" id="mapping_secretKey_'
+                             + task_num + '_' + mapping_number + '" required/>';
+        endpoint.innerHTML = 'http://<input type="text" class="form-control" name="mappingEndpoint_' + task_num + '_' + mapping_number + '" id="mapping_endpoint_'
+                             + task_num + '_' + mapping_number + '" required/>';
+        mountpath.innerHTML = '<input type="text" class="form-control" name="mappingMountpath_' + task_num + '_' + mapping_number + '" id="mapping_mountpath_'
+                             + task_num + '_' + mapping_number + '" readonly="true" required/>';
+        provider.innerHTML = '<select class="form-control" name="mappingProvider_' + task_num + '_' + mapping_number + '" id="mapping_provider_'
+                          + task_num + '_' + mapping_number + '">'
                           +'<option>Aliyun</option></select>';
-        remove.innerHTML = '<div class="box-tool pull-left"><button type="button" id="' + task_number + '_' + mapping_number +'" onclick="removeMapping(this)" class="btn btn-xs btn-danger">'
+        remove.innerHTML = '<div class="box-tool pull-left"><button type="button" id="' + task_num + '_' + mapping_number +'" onclick="removeMapping(this)" class="btn btn-xs btn-danger">'
                           +'Remove</button></div>';
     }
 
@@ -217,7 +222,7 @@
     function addTask() {
       task_number += 1;
       var masterip=$("select#masterselector").children('option:selected').val();
-      mapping_number = 0;
+      //mapping_number = 0;
       var task_html = '';
       task_html +=
             '<div class="panel panel-default" id="task_pannel_' + task_number + '">'
@@ -334,7 +339,7 @@
            +'</div>'
            +'<div class="form-group">'
            +'<label class="col-sm-2 control-label">Object Storage Mapping<br/>'
-           +'<button type="button" id="' + task_number + '" class="btn btn-primary btn-xs" title="add an external storage mapping" onclick="addMapping(this)">'
+           +'<button type="button" id="' + task_number + '" class="btn btn-primary btn-xs" title="add an external storage mapping" onclick="addMapping(this,'+task_number+')">'
            +'Add<i class="fa fa-plus"></i></button></label>'
            +'<div class="col-sm-10"><table class="table table-bordered" id="storage_mapping_' + task_number + '">'
            +'<thead>'