save project

diy2.py

@@ -8,6 +8,7 @@ while True:
         break
     if name!= username:
         print("用户名不存在，请重新输入!")
+        continue
     if password!= userpassword:
         print("密码错误，请重新输入")
-print("Welcome to Chian")
\ No newline at end of file
+print("Welcome to China")
\ No newline at end of file