diff --git a/README.md b/README.md
index d6c8d99a..c37babe6 100644
--- a/README.md
+++ b/README.md
@@ -37,6 +37,8 @@ vn.py是基于Python的开源量化交易程序开发框架，起源于国内私
 
     - OANDA（oanda）
 
+    - 福汇（fxcm）
+
     - OKCOIN（okcoin）
 
     - 火币（huobi）
diff --git a/vnpy/trader/vtEngine.py b/vnpy/trader/vtEngine.py
index ad0745dc..86168da3 100644
--- a/vnpy/trader/vtEngine.py
+++ b/vnpy/trader/vtEngine.py
@@ -1053,9 +1053,9 @@ class PositionDetail(object):
                 if ydAvailable > 0:
                     reqClose = copy(req)
                     if self.exchange is EXCHANGE_SHFE:
-                        req.offset = OFFSET_CLOSEYESTERDAY
+                        reqClose.offset = OFFSET_CLOSEYESTERDAY
                     else:
-                        req.offset = OFFSET_CLOSE
+                        reqClose.offset = OFFSET_CLOSE
                     reqClose.volume = ydAvailable
                     
                     l.append(reqClose)