diff --git a/vnpy/trader/app/ctaStrategy/ctaTemplate.py b/vnpy/trader/app/ctaStrategy/ctaTemplate.py
index 5cf9b0ff..e55eb3c4 100644
--- a/vnpy/trader/app/ctaStrategy/ctaTemplate.py
+++ b/vnpy/trader/app/ctaStrategy/ctaTemplate.py
@@ -408,7 +408,7 @@ class BarManager(object):
         self.xminBar.volume += int(bar.volume)                
             
         # X分钟已经走完
-        if not bar.datetime.minute % self.xmin:   # 可以用X整除
+        if not (bar.datetime.minute + 1) % self.xmin:   # 可以用X整除
             # 生成上一X分钟K线的时间戳
             self.xminBar.datetime = self.xminBar.datetime.replace(second=0, microsecond=0)  # 将秒和微秒设为0
             self.xminBar.date = self.xminBar.datetime.strftime('%Y%m%d')