diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3d608cc0d..417cd231d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,7 +3,8 @@
 <!-- TOC -->
 
 - [QUANTAXIS 更新纪要](#quantaxis-更新纪要)
-    - [1.1.7 (unreleased)](#117-unreleased)
+    - [1.1.8(unreleased)](#118unreleased)
+    - [1.1.7](#117)
     - [1.1.6](#116)
     - [1.1.5](#115)
     - [1.1.4.dev1](#114dev1)
@@ -63,11 +64,14 @@
     - [1.0.25](#1025)
 
 <!-- /TOC -->
-## 1.1.7 (unreleased)
+## 1.1.8(unreleased)
+
+## 1.1.7 
 
 1. 优化 QA_DataStruct_future_day/min
 2. 增加了QA_fetch_xxx_adv系列中的  QA_fetch_future_day_adv/QA_fetch_future_min_adv函数
-
+3. 增加了QA_DataStruct的reindex方法, 方便从指标中提取部分行情
+4. 增加了商品期权的支持
 
 to do:
 
diff --git a/QUANTAXIS/QAData/base_datastruct.py b/QUANTAXIS/QAData/base_datastruct.py
index 82dcb5ece..156998f98 100644
--- a/QUANTAXIS/QAData/base_datastruct.py
+++ b/QUANTAXIS/QAData/base_datastruct.py
@@ -731,6 +731,28 @@ def new(self, data=None, dtype=None, if_fq=None):
     def reverse(self):
         return self.new(self.data[::-1])
 
+    def reindex(self, ind):
+        """reindex
+        
+        Arguments:
+            ind {[type]} -- [description]
+        
+        Raises:
+            RuntimeError -- [description]
+            RuntimeError -- [description]
+        
+        Returns:
+            [type] -- [description]
+        """
+
+        if isinstance(ind,pd.MultiIndex):
+            try:
+                return self.new(self.data.reindex(ind))
+            except:
+                raise RuntimeError('QADATASTRUCT ERROR: CANNOT REINDEX')
+        else:
+            raise RuntimeError('QADATASTRUCT ERROR: ONLY ACCEPT MULTI-INDEX FORMAT')
+
     def tail(self, lens):
         """返回最后Lens个值的DataStruct
 
diff --git a/QUANTAXIS/QAEngine/QAAsyncioEngine.py b/QUANTAXIS/QAEngine/QAAsyncioEngine.py
index d9f5626af..d5ecaf962 100644
--- a/QUANTAXIS/QAEngine/QAAsyncioEngine.py
+++ b/QUANTAXIS/QAEngine/QAAsyncioEngine.py
@@ -15,22 +15,25 @@
 """
 
 
-
 class QAAsync():
     def __init__(self):
-        self.event_loop = asyncio.get_event_loop()
+        self.event_loop = asyncio.new_event_loop()
         self.elthread = threading.Thread(target=self.event_loop.run_forever)
 
         # self.elthread.setDaemon(True)
         self.elthread.start()
 
-    def submit(self, func, callback, *args, **kwargs):
-
-        # self.job=asyncio.run_coroutine_threadsafe(func(*args,**kwargs),self.event_loop)
+    def create_task(self, func, callback, *args, **kwargs):
+        # schedule a task
 
+        #task = self.event_loop.create_task(func(*args,**kwargs))
         task = asyncio.ensure_future(func(*args, **kwargs))
         task.add_done_callback(callback)
-        #print('get job async {}'.format(args))
+        return task
+
+
+    def submit(self, coro):
+        return asyncio.run_coroutine_threadsafe(coro, self.event_loop)
 
 
 def callback(future):
diff --git a/QUANTAXIS/__init__.py b/QUANTAXIS/__init__.py
index f55c05981..a78bfd596 100755
--- a/QUANTAXIS/__init__.py
+++ b/QUANTAXIS/__init__.py
@@ -32,7 +32,7 @@
 2017/4/8
 """
 
-__version__ = '1.1.7.dev3'
+__version__ = '1.1.7'
 __author__ = 'yutiansut'
 logo = ' \n \
 ```````````````````````````````````````````````````````````````````````````````````````````````````````````````````````` \n \