diff --git a/工具v2/database_tools.py b/工具v2/database_tools.py
index 48750840..66e21a4d 100644
--- a/工具v2/database_tools.py
+++ b/工具v2/database_tools.py
@@ -600,5 +600,33 @@ def jsonEditProblemMetadata(id_string,prodict,editor): #用vscode在json模式
             editlist.append(id)
     return(generate_exp(editlist)) # 返回编辑过的题号字符串
 
+def GetSamePairs(prodict): #获取已标注的相同题目组
+    same_groups = []
+    for id in prodict:
+        same = prodict[id]["same"]
+        if len(same) > 0 and not len(prodict[id]["usages"]) == 0:
+            same_groups.append([id]+same)
+    return(same_groups) #返回相同题目组, 每组由一些相同的题目构成
+
+def ShareSameUsages(prodict,same_group): #对same_group中的所有题号共享使用记录
+    current_usages = []
+    for id in same_group:
+        for usage in prodict[id]["usages"]:
+            if not usage in current_usages:
+                current_usages = current_usages + [usage]
+    for id in same_group:
+        prodict[id]["usages"] = current_usages.copy()
+    return((same_group,current_usages)) #返回same_group中的题号列表 及 所有题号记录 组成的二元组
+        
+def SortUsages(prodict):
+    for id in prodict:
+        usages = prodict[id]["usages"].copy()
+        usages.sort()
+        prodict[id]["usages"] = usages.copy()
+    return 0 #返回0
+
+
+
+
 if __name__ == "__main__":
     print("数据库工具, import用.")
\ No newline at end of file
diff --git a/工具v2/合并使用记录并排序.py b/工具v2/合并使用记录并排序.py
new file mode 100644
index 00000000..45329094
--- /dev/null
+++ b/工具v2/合并使用记录并排序.py
@@ -0,0 +1,11 @@
+prodictpath = "../题库0.3/Problems.json"
+
+from database_tools import *
+
+
+prodict = load_dict(prodictpath)
+same_groups = GetSamePairs(prodict)
+for sg in same_groups:
+    ShareSameUsages(prodict,sg)
+SortUsages(prodict)
+save_dict(prodict,prodictpath)
\ No newline at end of file