diff --git a/examples/WebTrader/run.py b/examples/WebTrader/run.py
index 012eeca4..c43f08ac 100644
--- a/examples/WebTrader/run.py
+++ b/examples/WebTrader/run.py
@@ -47,10 +47,12 @@ with open("WEB_setting.json") as f:
 from flask import Flask
 from flask.ext.restful import Api, Resource, reqparse
 from flask.ext.socketio import SocketIO
+from flask.ext.cors import CORS
 
 app = Flask(__name__)
 api = Api(app)
 socketio = SocketIO(app)
+cors = CORS(app, supports_credentials=True)
 
 
 # 创建资源
@@ -156,7 +158,7 @@ class Order(Resource):
     #----------------------------------------------------------------------
     def post(self):
         """发单"""
-        args = self.deleteParser.parse_args()
+        args = self.postParser.parse_args()
         token = args['token']
         if token != TOKEN:
             return None
@@ -176,7 +178,7 @@ class Order(Resource):
         req.symbol = contract.symbol
         req.exchange = contract.exchange
         req.price = float(price)
-        req.volume = int(symbol)
+        req.volume = int(volume)
         req.priceType = priceType
         req.direction = direction
         req.offset = offset
diff --git a/requirements.txt b/requirements.txt
index 39186dbd..97bdf730 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -8,4 +8,5 @@ wmi
 future
 flask-socketio
 flask-restful
+flask-cors
 gevent-websocket
\ No newline at end of file