diff --git a/python/eggroll/cli/commands/task.py b/python/eggroll/cli/commands/task.py
index a479bc8da..7d493f8fc 100644
--- a/python/eggroll/cli/commands/task.py
+++ b/python/eggroll/cli/commands/task.py
@@ -138,9 +138,9 @@ def download(ctx, **kwargs):
     client: EggrollClient = ctx.obj["client"]
     download_dir = kwargs.get("download_dir")
     client._session_id = kwargs.get("session_id")
-    status = client.query_status()
-    if status["message"]:
-        return prettify(status)
+    response = client.query_status()
+    if response.get("message", None):
+        return prettify(response)
 
     os.makedirs(download_dir, exist_ok=True)
     with tempfile.TemporaryDirectory() as temp_dir:
diff --git a/python/eggroll/deepspeed/utils/__init__.py b/python/eggroll/deepspeed/utils/__init__.py
new file mode 100644
index 000000000..e69de29bb
diff --git a/python/eggroll/deepspeed/utils/params_utils.py b/python/eggroll/deepspeed/utils/params_utils.py
new file mode 100644
index 000000000..babb86ad2
--- /dev/null
+++ b/python/eggroll/deepspeed/utils/params_utils.py
@@ -0,0 +1,21 @@
+#
+#  Copyright 2019 The FATE Authors. All Rights Reserved.
+#
+#  Licensed under the Apache License, Version 2.0 (the "License");
+#  you may not use this file except in compliance with the License.
+#  You may obtain a copy of the License at
+#
+#      http://www.apache.org/licenses/LICENSE-2.0
+#
+#  Unless required by applicable law or agreed to in writing, software
+#  distributed under the License is distributed on an "AS IS" BASIS,
+#  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+#  See the License for the specific language governing permissions and
+#  limitations under the License.
+
+def filter_invalid_params(self, value=None, **kwargs):
+    _p = {}
+    for _k, _v in kwargs.items():
+        if _v is not value:
+            _p[_k] = _v
+    return _p