save project

diy2.py

@@ -8,6 +8,7 @@ while True:
         i-=1
         if name == username and password == userpassword:
             print("登录成功!")
+            break
         if name != username:
             print("用户名错误!请重新输入")
             print("温馨提示：您还有"+str(i)+"次登入机会")