save project

diy1.py

@@ -6,5 +6,8 @@ while True:
     if name==username and password==userpassword:
         print("登陆成功")
         break
-    print("错误！重输")
+    if name != username:
+        print("用户名错")
+    if password!=userpassword:
+        print("密码错")
 print("欢迎来到")
\ No newline at end of file