测试Thrift 模块报错找不到库

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module.js:340
    throw err;
          ^
Error: Cannot find module 'thrift/transport'
    at Function.Module._resolveFilename (module.js:338:15)
    at Function.Module._load (module.js:280:25)
    at Module.require (module.js:364:17)
    at require (module.js:380:17)
    at Object.<anonymous> (/opt/lampp/htdocs/ThriftDemo/client.js:2:24)
    at Module._compile (module.js:456:26)
    at Object.Module._extensions..js (module.js:474:10)
    at Module.load (module.js:356:32)
    at Function.Module._load (module.js:312:12)
    at Function.Module.runMain (module.js:497:10)

怎么回事呢，Thrift 库明明已经安装了啊，怎么会找不到呢