save project

diy1.py

@@ -6,10 +6,11 @@ while True:
     password=input("请输入密码")
     if name==username and password==userpassword:
         print("登录成功")
-    if username!=name:
+        break 
+    elif username!=name:
         print("账号错误")
         continue
-    if userpassword!=password:
+    else userpassword!=password:
         print("密码错误")
     # print("用户名或密码错误！")
 print("欢迎来到贝尔星球")