save project

diy2.py

@@ -6,7 +6,7 @@ while True:
     if name == username and password == userpassword:
         print("登录成功!")
         break
-    elif nema != username:
+    elif name != username:
         print("用户名不存在，请重新输入！")
     else:
         print("密码输入有误，请重新输入！")