auto save

code.py

@@ -24,7 +24,7 @@ def register():     # 注册验证
         messagebox.showwarning("警告", "请填写完整的注册资料")
     elif name in users:
         messagebox.showwarning("错误", "用户名已经存在!")
-    elif password1 = password2:
+    elif password1 != password2:
         messagebox.showwarning("错误", "两次密码不一致!")
     else:
         users[name] = password1