diff --git a/Manila/file_driver_dir/huawei/oceanstorPacific/helper/helper.py b/Manila/file_driver_dir/huawei/oceanstorPacific/helper/helper.py
index 9b32604..1063d48 100644
--- a/Manila/file_driver_dir/huawei/oceanstorPacific/helper/helper.py
+++ b/Manila/file_driver_dir/huawei/oceanstorPacific/helper/helper.py
@@ -414,7 +414,7 @@ def query_nfs_share_information(self, account_id, fs_id, dtree_id=0):
         nfs_para = {
             "account_id": account_id,
             "filter": "[{\"fs_id\": %d, \"dtree_id\": \"%s\"}]" %
-                      (fs_id, str(fs_id) + '@' + str(dtree_id))
+                      (fs_id, str(dtree_id))
         }
         data = jsonutils.dumps(nfs_para)
         result = self.call(url, data, "GET")