diff --git a/工具v4/database_tools_2.py b/工具v4/database_tools_2.py
index 3081e29b..57f720ff 100644
--- a/工具v4/database_tools_2.py
+++ b/工具v4/database_tools_2.py
@@ -1338,7 +1338,7 @@ def SortUsages(prodict): #对使用记录按字符串进行排序
 def SortUsagesbyAverage(theusages): #根据使用记录每一条的平均值进行排序, 越高的在越前面
     glossdifflist = []
     for i in range(len(theusages)):
-        glossdiff = np.mean([float(d) for d in theusages[i][2]])
+        glossdiff = parseUsage(theusages[i])['glossdiff']
         if glossdiff <= 0.999: #去除全对的使用记录
             glossdifflist = glossdifflist + [(i,glossdiff)]
     sortedglossdifflist = sorted(glossdifflist, key = lambda x:x[1], reverse = True)