diff --git a/vnpy/api/lhang/README.md b/vnpy/api/lbank/README.md
similarity index 75%
rename from vnpy/api/lhang/README.md
rename to vnpy/api/lbank/README.md
index aaf7d942..eb7e9784 100644
--- a/vnpy/api/lhang/README.md
+++ b/vnpy/api/lbank/README.md
@@ -1,16 +1,16 @@
-# vn.lhang
+# vn.lbank
 
 ### 简介
 
-链行的比特币交易接口，基于Rest API开发。
+LBank的比特币交易接口，基于Rest API开发。
 
 ### 特点
-vn.lhang的一些特点：
+该接口的一些特点：
 
 1. 面向对象的API设计，接近CTP API的结构，对于国内用户而言更容易上手
 
 2. 参考CTP API的设计，主动函数调用的结果通过异步（回调函数）的方式推送到程序中，适用于开发稳定可靠的实盘交易程序
 
 ### API版本
-日期：2017 - 02
+日期：2017 - 12
 来源：链行官方API交流群 325248096
\ No newline at end of file
diff --git a/vnpy/api/lbank/__init__.py b/vnpy/api/lbank/__init__.py
new file mode 100644
index 00000000..e16e0806
--- /dev/null
+++ b/vnpy/api/lbank/__init__.py
@@ -0,0 +1,3 @@
+# encoding: UTF-8
+
+from vnlbank import LbankApi
\ No newline at end of file
diff --git a/vnpy/api/lhang/test.py b/vnpy/api/lbank/test.py
similarity index 94%
rename from vnpy/api/lhang/test.py
rename to vnpy/api/lbank/test.py
index 717cb2b2..540e7476 100644
--- a/vnpy/api/lhang/test.py
+++ b/vnpy/api/lbank/test.py
@@ -2,7 +2,7 @@
 
 from time import time, sleep
 
-from vnlhang import LhangApi
+from vnlbank import LbankApi
 
 
 if __name__ == '__main__':
@@ -10,7 +10,7 @@ if __name__ == '__main__':
     secretKey = ''
     
     # 创建API对象并初始化
-    api = LhangApi()
+    api = LbankApi()
     api.DEBUG = True
     api.init(apiKey, secretKey, 2)
     
diff --git a/vnpy/api/lhang/vnlhang.py b/vnpy/api/lbank/vnlbank.py
similarity index 98%
rename from vnpy/api/lhang/vnlhang.py
rename to vnpy/api/lbank/vnlbank.py
index 644c9dd1..2c3fd5e4 100644
--- a/vnpy/api/lhang/vnlhang.py
+++ b/vnpy/api/lbank/vnlbank.py
@@ -10,7 +10,7 @@ from time import sleep
 
 
 
-LHANG_API_ROOT ="https://api.lhang.com/v1/"
+API_ROOT ="https://api.lbank.info/v1/"
 
 FUNCTION_TICKER = ('ticker.do', 'get')
 FUNCTION_DEPTH = ('depth.do', 'get')
@@ -40,7 +40,7 @@ def signature(params, secretKey):
     
 
 ########################################################################
-class LhangApi(object):
+class LbankApi(object):
     """"""
     DEBUG = True
 
@@ -80,7 +80,7 @@ class LhangApi(object):
         # 读取方法和参数
         api, method = req['function']
         params = req['params']
-        url = LHANG_API_ROOT + api
+        url = API_ROOT + api
         
         # 在参数中增加必须的字段
         params['api_key'] = self.apiKey
diff --git a/vnpy/api/lhang/__init__.py b/vnpy/api/lhang/__init__.py
deleted file mode 100644
index 23159cfa..00000000
--- a/vnpy/api/lhang/__init__.py
+++ /dev/null
@@ -1,3 +0,0 @@
-# encoding: UTF-8
-
-from vnlhang import LhangApi
\ No newline at end of file
diff --git a/vnpy/trader/app/optionMaster/uiOmAnalysisManager.py b/vnpy/trader/app/optionMaster/uiOmAnalysisManager.py
index 15199f35..e5bbacad 100644
--- a/vnpy/trader/app/optionMaster/uiOmAnalysisManager.py
+++ b/vnpy/trader/app/optionMaster/uiOmAnalysisManager.py
@@ -164,7 +164,6 @@ class AnalysisManager(QtWidgets.QWidget):
         
         for priceChange in priceChangeArray:
             for impvChange in impvChangeArray:
-                print priceChange, impvChange
                 portfolioPnl = 0
                 portfolioDelta = 0
                 portfolioGamma = 0
diff --git a/vnpy/trader/gateway/lhangGateway/LHANG_connect.json b/vnpy/trader/gateway/lbankGateway/LBANK_connect.json
similarity index 100%
rename from vnpy/trader/gateway/lhangGateway/LHANG_connect.json
rename to vnpy/trader/gateway/lbankGateway/LBANK_connect.json
diff --git a/vnpy/trader/gateway/lhangGateway/__init__.py b/vnpy/trader/gateway/lbankGateway/__init__.py
similarity index 50%
rename from vnpy/trader/gateway/lhangGateway/__init__.py
rename to vnpy/trader/gateway/lbankGateway/__init__.py
index d07d4db8..d2d1cf2f 100644
--- a/vnpy/trader/gateway/lhangGateway/__init__.py
+++ b/vnpy/trader/gateway/lbankGateway/__init__.py
@@ -1,10 +1,10 @@
 # encoding: UTF-8
 
 from vnpy.trader import vtConstant
-from lhangGateway import LhangGateway
+from lbankGateway import LbankGateway
 
-gatewayClass = LhangGateway
-gatewayName = 'LHANG'
-gatewayDisplayName = u'链行'
+gatewayClass = lbankGateway
+gatewayName = 'LBANK'
+gatewayDisplayName = u'LBANK'
 gatewayType = vtConstant.GATEWAYTYPE_BTC
 gatewayQryEnabled = True
diff --git a/vnpy/trader/gateway/lhangGateway/lhangGateway.py b/vnpy/trader/gateway/lbankGateway/lbankGateway.py
similarity index 98%
rename from vnpy/trader/gateway/lhangGateway/lhangGateway.py
rename to vnpy/trader/gateway/lbankGateway/lbankGateway.py
index 8e43d84d..8028e6b0 100644
--- a/vnpy/trader/gateway/lhangGateway/lhangGateway.py
+++ b/vnpy/trader/gateway/lbankGateway/lbankGateway.py
@@ -10,7 +10,7 @@ import json
 from datetime import datetime
 from time import sleep
 
-from vnpy.api.lhang import LhangApi
+from vnpy.api.lbank import LbankApi
 from vnpy.trader.vtGateway import *
 from vnpy.trader.vtFunction import getJsonPath
 
@@ -37,15 +37,15 @@ STATUS_MAP[-1] = STATUS_CANCELLED
 
 
 ########################################################################
-class LhangGateway(VtGateway):
+class LbankGateway(VtGateway):
     """链行接口"""
 
     #----------------------------------------------------------------------
-    def __init__(self, eventEngine, gatewayName='LHANG'):
+    def __init__(self, eventEngine, gatewayName='LBANK'):
         """Constructor"""
-        super(LhangGateway, self).__init__(eventEngine, gatewayName)
+        super(LbankGateway, self).__init__(eventEngine, gatewayName)
         
-        self.api = LhangApi(self)
+        self.api = LbankApi(self)
         
         self.fileName = self.gatewayName + '_connect.json'
         self.filePath = getJsonPath(self.fileName, __file__)             
@@ -150,13 +150,13 @@ class LhangGateway(VtGateway):
     
 
 ########################################################################
-class LhangApi(LhangApi):
+class LbankApi(LbankApi):
     """"""
 
     #----------------------------------------------------------------------
     def __init__(self, gateway):
         """Constructor"""
-        super(LhangApi, self).__init__()
+        super(LbankApi, self).__init__()
         
         self.gateway = gateway
         self.gatewayName = gateway.gatewayName