diff --git a/src/main/python/Sign.py b/src/main/python/Sign.py
new file mode 100644
index 0000000..99d55ce
--- /dev/null
+++ b/src/main/python/Sign.py
@@ -0,0 +1,15 @@
+import csv
+import hashlib
+import json
+import os
+
+with open('users.csv', 'r') as users_file:
+    lines = csv.DictReader(users_file)
+    i = 1
+    for line in lines:
+        print("====== 开始读取第 " + str(i) + " 条数据 ======")
+        i = i+1
+        password = line['password']
+        username = line['username']
+        print("开始打卡 " + username + "的账号, 读取到的密码是：" + password)
+        md5_password = hashlib.new('md5', str(line['password']).encode()).hexdigest()