diff --git a/qingcloud/iaas/actions/cluster.py b/qingcloud/iaas/actions/cluster.py
index a875596..91fae32 100644
--- a/qingcloud/iaas/actions/cluster.py
+++ b/qingcloud/iaas/actions/cluster.py
@@ -68,13 +68,15 @@ def resize_cluster(self, cluster,
         @param memory: memory size in MB.
         @param storage_size: The new larger size of the storage_size, unit is GB.
         @param instance_class: The new class of instance
+        @param node_role: node role you want to. list type
         """
         action = const.ACTION_RESIZE_CLUSTER
         valid_keys = ['cluster', 'node_role', 'cpu', 'memory', 'storage_size', 'instance_class']
         body = filter_out_none(locals(), valid_keys)
         if not self.conn.req_checker.check_params(body,
                                                   required_params=['cluster'],
-                                                  integer_params=['cpu', 'memory']
+                                                  integer_params=['cpu', 'memory'],
+                                                  list_params=['node_role']
                                                   ):
             return None
 
diff --git a/qingcloud/iaas/actions/instance.py b/qingcloud/iaas/actions/instance.py
index 1d94a78..d5ff371 100644
--- a/qingcloud/iaas/actions/instance.py
+++ b/qingcloud/iaas/actions/instance.py
@@ -86,6 +86,16 @@ def run_instances(self, image_id,
                       cpu_max=None,
                       mem_max=None,
                       os_disk_size=None,
+                      os_disk_encryption=None,
+                      platform=None,
+                      f_resetpwd=None,
+                      processor_type=None,
+                      default_user=None,
+                      default_passwd=None,
+                      hypervisor=None,
+                      gpu=None,
+                      gpu_class=None,
+                      place_group_id=None,
                       **ignore):
         """ Create one or more instances.
         @param image_id : ID of the image you want to use, "img-12345"
@@ -116,6 +126,16 @@ def run_instances(self, image_id,
         @param cpu_max: max cpu core number.
         @param mem_max: max memory size in MB.
         @param os_disk_size: operation system disk size in GB.
+        @param os_disk_encryption: int,
+        @param platform: linux,
+        @param f_resetpwd: int,
+        @param processor_type: 64bit,
+        @param default_user: root,
+        @param default_passwd: password,
+        @param hypervisor: kvm,
+        @param gpu: int,
+        @param gpu_class: int,
+        @param place_group_id: string,
         """
         action = const.ACTION_RUN_INSTANCES
         valid_keys = ['image_id', 'instance_type', 'cpu', 'memory', 'count',
diff --git a/tests/actions/test_resize_cluster.py b/tests/actions/test_resize_cluster.py
new file mode 100644
index 0000000..95672e5
--- /dev/null
+++ b/tests/actions/test_resize_cluster.py
@@ -0,0 +1,60 @@
+# =========================================================================
+# Copyright 2012-present Yunify, Inc.
+# -------------------------------------------------------------------------
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this work except in compliance with the License.
+# You may obtain a copy of the License in the LICENSE file, or 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.
+# =========================================================================
+import os
+import unittest
+
+from qingcloud.iaas import APIConnection
+from qingcloud.iaas.errors import InvalidRouterStatic
+from qingcloud.iaas.actions.cluster import ClusterAction
+
+
+class ClusterFactoryTestCase(unittest.TestCase):
+
+    protocol = None
+    port = None
+    host = None
+    conn = None
+    zone = None
+    secret_access_key = None
+    access_key_id = None
+
+    @classmethod
+    def test_resize_cluster(self):
+        self.access_key_id = os.getenv("QY_ACCESS_KEY_ID")
+        self.secret_access_key = os.getenv("QY_SECRET_ACCESS_KEY")
+        self.host = os.getenv("QY_HOST")
+        self.port = os.getenv("QY_PORT")
+        self.zone = os.getenv("QY_ZONE")
+        self.protocol = os.getenv("QY_PROTOCOL")
+
+        self.conn = APIConnection(
+            qy_access_key_id=self.access_key_id,
+            qy_secret_access_key=self.secret_access_key,
+            zone=self.zone,
+            host=self.host,
+            port=self.port,
+            protocol=self.protocol,
+
+        )
+        cluster = ""
+        # node_role_not_list = {"cpu": 2, "memory": 2048, "volume_size": 120, "storage_size": 120, "node_role": "maininstance"}
+        node_role_with_list = [{"cpu":4,"memory":8192,"volume_size":100,"storage_size":100,"node_role":"maininstance"}]
+        
+        action = ClusterAction(self.conn)
+        resp = action.resize_cluster(cluster, node_role=node_role_with_list)
+        print(resp)
+        assert resp.get('ret_code') == 0
+