diff --git a/hyperlpr_py3/segmentation.py b/hyperlpr_py3/segmentation.py
index 3e9c335..365489a 100644
--- a/hyperlpr_py3/segmentation.py
+++ b/hyperlpr_py3/segmentation.py
@@ -110,7 +110,7 @@ def get_median(data):
    # print size
 
    if size % 2 == 0: # 判断列表长度为偶数
-    median = (data[size//2]+data[size//2-1])/2
+    median = (data[size//2]+data[size//2-1])//2
     data[0] = median
    if size % 2 == 1: # 判断列表长度为奇数
     median = data[(size-1)//2]