下载了 windows版的 msi安转文件，，默认安转之后 运行node.js 输入node -v 之后 出现了错误：

node -v ReferenceError: node is not defined at repl:1:2 at REPLServer.self.eval (repl.js:109:21) at Interface.<anonymous> (repl.js:248:12) at Interface.EventEmitter.emit (events.js:96:17) at Interface._onLine (readline.js:200:10) at Interface._line (readline.js:518:8) at Interface._ttyWrite (readline.js:736:14) at ReadStream.onkeypress (readline.js:97:10) at ReadStream.EventEmitter.emit (events.js:126:20) at emitKey (readline.js:1058:12)