save project

diy1.py

@@ -8,6 +8,7 @@ while True
     print("输入错误")
     print("输入错误")
     if username!=name:
     if username!=name:
         print("用户错误")
         print("用户错误")
+        continue
     if userpassword!=password
     if userpassword!=password
         print("密码错误")
         print("密码错误")
 print("登录成功")
 print("登录成功")