diff --git a/python/examples/pipeline/ocr/web_service.py b/python/examples/pipeline/ocr/web_service.py
index 6724415886497e43595672b840f6ed9c7362f2ee..484a093643be6a2f51fabe9882741b9efea938e4 100644
--- a/python/examples/pipeline/ocr/web_service.py
+++ b/python/examples/pipeline/ocr/web_service.py
@@ -22,7 +22,55 @@ from paddle_serving_app.reader import Div, Normalize, Transpose
 from paddle_serving_app.reader import DBPostProcess, FilterBoxes, GetRotateCropImage, SortedBoxes
 
 _LOGGER = logging.getLogger()
-
+import yaml
+from argparse import ArgumentParser,RawDescriptionHelpFormatter
+class ArgsParser(ArgumentParser):
+    def __init__(self):
+        super(ArgsParser, self).__init__(
+            formatter_class=RawDescriptionHelpFormatter)
+        self.add_argument("-c", "--config", help="configuration file to use")
+        self.add_argument(
+            "-o", "--opt", nargs='+', help="set configuration options")
+
+    def parse_args(self, argv=None):
+        args = super(ArgsParser, self).parse_args(argv)
+        assert args.config is not None, \
+            "Please specify --config=configure_file_path."
+        args.conf_dict = self._parse_opt(args.opt, args.config)
+        return args
+
+    def _parse_helper(self, v):
+        if v.isnumeric():
+            if "." in v:
+                v = float(v)
+            else:
+                v = int(v)
+        elif v == "True" or v == "False":
+            v = (v == "True")
+        return v
+
+    def _parse_opt(self, opts, conf_path):
+        f = open(conf_path)
+        config = yaml.load(f, Loader=yaml.Loader)
+        if not opts:
+            return config
+        for s in opts:
+            s = s.strip()
+            k, v = s.split('=')
+            v = self._parse_helper(v)
+            print(k,v, type(v))
+            cur = config
+            parent = cur
+            for kk in k.split("."):
+                if kk not in cur:
+                     cur[kk] = {}
+                     parent = cur
+                     cur = cur[kk]
+                else:
+                     parent = cur
+                     cur = cur[kk]
+            parent[k.split(".")[-1]] = v
+        return config
 
 class DetOp(Op):
     def init_op(self):
@@ -176,5 +224,6 @@ class OcrService(WebService):
 
 
 ocr_service = OcrService(name="ocr")
-ocr_service.prepare_pipeline_config("config.yml")
+FLAGS = ArgsParser().parse_args()
+ocr_service.prepare_pipeline_config(yml_dict=FLAGS.conf_dict)
 ocr_service.run_service()
diff --git a/python/paddle_serving_server/web_service.py b/python/paddle_serving_server/web_service.py
index 3db3b7bc47f497e53993b51631910828a0af8ed3..de5bf379b513299b8ca6560209dda79eba019415 100755
--- a/python/paddle_serving_server/web_service.py
+++ b/python/paddle_serving_server/web_service.py
@@ -50,7 +50,7 @@ class WebService(object):
     def get_pipeline_response(self, read_op):
         return None
 
-    def prepare_pipeline_config(self, yaml_file):
+    def prepare_pipeline_config(self, yml_file=None, yml_dict=None):
         # build dag
         read_op = pipeline.RequestOp()
         last_op = self.get_pipeline_response(read_op)
@@ -60,7 +60,7 @@ class WebService(object):
                              "`get_pipeline_response`.")
         response_op = pipeline.ResponseOp(input_ops=[last_op])
         self._server.set_response_op(response_op)
-        self._server.prepare_server(yaml_file)
+        self._server.prepare_server(yml_file=yml_file, yml_dict=yml_dict)
 
     def run_service(self):
         self._server.run_server()