save project

diy2.py

@@ -8,6 +8,7 @@ while True:
         break
     if name != username:
         print("输入错误!请重新输入用户名！")
-    else:   
+        continue
+    if password != userpassword:   
         print("输入错误!请重新输入密码！")
 print("欢迎来到贝尔编程!")
\ No newline at end of file