save project

diy1.py

@@ -6,5 +6,10 @@ while  True:
     if name==username and passwort==userpassword：
         print("登录成功")   
         break
+    if name!=username:
+        print("用户名错误")
+    if passwerd !=userpassword:
+        print("密码错误")
+
     print("密码错误，重新输入")
-print("欢迎进入")
\ No newline at end of file
+print("欢迎进入")