跑demo报这个错误 ‘lib/tools.jar Can`t be found or not correct!’

[aymonYU]

Error: lib/tools.jar Can`t be found or not correct! at Object. (/root/rpc-server/node_modules/jar2proxy/lib/java/javahome.js:94:9) at Module._compile (internal/modules/cjs/loader.js:701:30) at Object.Module._extensions..js (internal/modules/cjs/loader.js:712:10) at Module.load (internal/modules/cjs/loader.js:600:32) at tryModuleLoad (internal/modules/cjs/loader.js:539:12) at Function.Module._load (internal/modules/cjs/loader.js:531:3) at Module.require (internal/modules/cjs/loader.js:637:17) at require (internal/modules/cjs/helpers.js:22:18) at Object. (/root/rpc-server/node_modules/jar2proxy/lib/java/jar.js:5:33) at Module._compile (internal/modules/cjs/loader.js:701:30)