diff --git a/工具v4/database_tools_2.py b/工具v4/database_tools_2.py
index 3d93bec2..21265e25 100644
--- a/工具v4/database_tools_2.py
+++ b/工具v4/database_tools_2.py
@@ -3156,6 +3156,29 @@ def generate_adaptive_problemIDs(pro_dict,units_list,genre_tuple,diffinterval,me
 
     return tiankong_list,xuanze_list
 
+def isIDpart(alist): #判断一个list是不是题号列表
+    for item in alist:
+        if not (type(item) == str and len(item) <= 6 and re.findall(r"\d{6}",item.zfill(6)) != []):
+            return False
+    return True
+            
+
+def findxiaobenIDs(jsonpath,grade = ""): #根据jsonpath中的校本材料获取grade做过的题目, grade为空则获取所有目录中的题目
+    jsonlists = []
+    jsonIDs = []
+    for loc,dirs,files in os.walk(jsonpath):
+            if "校本材料.json" in files:
+                jsonlists.append(os.path.join(loc,"校本材料.json"))
+    for jsonfile in jsonlists:
+         jsondict = load_dict(jsonfile)["notes"]
+         for pid in jsondict:
+              if pid[1:5] == grade or grade == "":
+                for part in jsondict[pid]:
+                    if type(jsondict[pid][part]) == list and isIDpart(jsondict[pid][part]):
+                            jsonIDs += jsondict[pid][part].copy()
+    return jsonIDs
+
+
 
 if __name__ == "__main__":
     print("数据库工具, import用.")
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