diff --git a/python/paddle_serving_client/__init__.py b/python/paddle_serving_client/__init__.py
index e3302c14239c8bfc37a6bafb39b112cfed5230fd..f2922f577b21d8acc3f8ec629f2473b5339ee725 100644
--- a/python/paddle_serving_client/__init__.py
+++ b/python/paddle_serving_client/__init__.py
@@ -61,13 +61,18 @@ class SDKConfig(object):
         self.tag_list = []
         self.cluster_list = []
         self.variant_weight_list = []
+        self.rpc_timeout_ms = 20000
+        self.load_balance_strategy = "la"
 
     def add_server_variant(self, tag, cluster, variant_weight):
         self.tag_list.append(tag)
         self.cluster_list.append(cluster)
         self.variant_weight_list.append(variant_weight)
 
-    def gen_desc(self):
+    def set_load_banlance_strategy(self, strategy):
+        self.load_balance_strategy = strategy
+
+    def gen_desc(self, rpc_timeout_ms):
         predictor_desc = sdk.Predictor()
         predictor_desc.name = "general_model"
         predictor_desc.service_name = \
@@ -86,7 +91,7 @@ class SDKConfig(object):
         self.sdk_desc.predictors.extend([predictor_desc])
         self.sdk_desc.default_variant_conf.tag = "default"
         self.sdk_desc.default_variant_conf.connection_conf.connect_timeout_ms = 2000
-        self.sdk_desc.default_variant_conf.connection_conf.rpc_timeout_ms = 20000
+        self.sdk_desc.default_variant_conf.connection_conf.rpc_timeout_ms = rpc_timeout_ms
         self.sdk_desc.default_variant_conf.connection_conf.connect_retry_count = 2
         self.sdk_desc.default_variant_conf.connection_conf.max_connection_per_host = 100
         self.sdk_desc.default_variant_conf.connection_conf.hedge_request_timeout_ms = -1
@@ -119,6 +124,7 @@ class Client(object):
         self.profile_ = _Profiler()
         self.all_numpy_input = True
         self.has_numpy_input = False
+        self.rpc_timeout_ms = 20000
 
     def load_client_config(self, path):
         from .serving_client import PredictorClient
@@ -171,6 +177,12 @@ class Client(object):
         self.predictor_sdk_.add_server_variant(tag, cluster,
                                                str(variant_weight))
 
+    def set_rpc_timeout_ms(self, rpc_timeout):
+        if not isinstance(rpc_timeout, int):
+            raise ValueError("rpc_timeout must be int type.")
+        else:
+            self.rpc_timeout_ms = rpc_timeout
+
     def connect(self, endpoints=None):
         # check whether current endpoint is available
         # init from client config
@@ -188,7 +200,7 @@ class Client(object):
                 print(
                     "parameter endpoints({}) will not take effect, because you use the add_variant function.".
                     format(endpoints))
-        sdk_desc = self.predictor_sdk_.gen_desc()
+        sdk_desc = self.predictor_sdk_.gen_desc(self.rpc_timeout_ms)
         self.client_handle_.create_predictor_by_desc(sdk_desc.SerializeToString(
         ))