diff --git a/工具v2/database_tools.py b/工具v2/database_tools.py
index 845fc10f..3af1ad66 100644
--- a/工具v2/database_tools.py
+++ b/工具v2/database_tools.py
@@ -1779,7 +1779,7 @@ def generateIDtoUsageCorrespondence(idlist,validcols,names): #根据idlist(题
     return corr_dict
 
 def CalculateUsages(statsfilepathlist,statsfilename,gradename,threshold,marks,correspondence_dict,validcols,date): #根据统计数据所在的路径,文件名,年级,阈值,分数列表和题号列数(0-len(validcols))对应字典,以及原excel文件中的有效列位置validcols, 日期date, 生成usages的metadata.txt文件的内容, 如果有正确率大于1的则返回False
-    output = "ans\n\n\n"
+    output = "usages\n\n\n"
     validflag = True
     for dir in statsfilepathlist:
         classname, valid = CheckValidity(dir,gradename,threshold)