我安装了spark，当在命令提示符下输入sparkshell时，在第一次写入时不被识别为内部或外部命令，在几行之后，spark就运行了。我想看看我有什么问题？

C:\Users\Ramin>spark-shell
'#' is not recognized as an internal or external command,
operable program or batch file.
'#' is not recognized as an internal or external command,
operable program or batch file.
'export' is not recognized as an internal or external command,
operable program or batch file.
'#' is not recognized as an internal or external command,
operable program or batch file.
'#' is not recognized as an internal or external command,
operable program or batch file.
'export' is not recognized as an internal or external command,
operable program or batch file.
Using Spark's default log4j profile: org/apache/spark/log4j-defaults.properties
Setting default log level to "WARN".
To adjust logging level use sc.setLogLevel(newLevel). For SparkR, use setLogLevel(newLevel).
20/08/27 03:30:30 WARN Utils: Service 'SparkUI' could not bind on port 4040. Attempting port 4041.
20/08/27 03:30:30 WARN Utils: Service 'SparkUI' could not bind on port 4041. Attempting port 4042.
Spark context Web UI available at http://DESKTOP-QQ9VRP2:4042
Spark context available as 'sc' (master = local[*], app id = local-1598482830954).
Spark session available as 'spark'.
Welcome to
      ____              __
     / __/__  ___ _____/ /__
    _\ \/ _ \/ _ `/ __/  '_/
   /___/ .__/\_,_/_/ /_/\_\   version 2.4.6
      /_/

Using Scala version 2.11.12 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_261)
Type in expressions to have them evaluated.
Type :help for more information.