diff --git a/工具v2/database_tools.py b/工具v2/database_tools.py
index 0539a7dd..e3082bbb 100644
--- a/工具v2/database_tools.py
+++ b/工具v2/database_tools.py
@@ -2022,5 +2022,23 @@ def ExportIDList(filepath): #从.tex或.pdf文件获取题目序号和ID的对
     output += ",".join(currentoutput)+"\n\n"
     return output
 
+def makedir(dirpath): #递归创建文件夹
+    dirpath = dirpath.strip().replace("\\","/")
+    dirlist_raw = dirpath.split("/")
+    if ":" in dirlist_raw[0]:
+        dirlist_raw[1] = dirlist_raw[0] + "/" + dirlist_raw[1]
+        dirlist = dirlist_raw[1:].copy()
+    else:
+        dirlist = dirlist_raw.copy()
+    for i in range(len(dirlist)):
+        if not i == 0:
+            dirlist[i] = dirlist[i-1] + "/" + dirlist[i]
+    for dpath in dirlist:
+        try:
+            os.mkdir(dpath)
+        except:
+            pass
+    return dirlist
+
 if __name__ == "__main__":
     print("数据库工具, import用.")
\ No newline at end of file