save project

diy1.py

@@ -10,6 +10,7 @@ while True:
         break
     if name != username:
         print("用户名不存在！")
+        continue
     if password != userpassword:
         print("密码不存在！")
 print("欢迎来到贝尔编程！")
\ No newline at end of file