提示是這個(gè)樣子的chenshengtekiMacBook-Pro:~cs$npminstallexpressexpress@4.3.2node_modules/express├──parseurl@1.0.1├──utils-merge@1.0.0├──merge-descriptors@0.0.2├──cookie@0.1.2├──escape-html@1.0.1├──debug@0.8.1├──cookie-signature@1.0.3├──range-parser@1.0.0├──fresh@0.2.2├──qs@0.6.6├──methods@1.0.0├──buffer-crc32@0.2.1├──serve-static@1.1.0├──path-to-regexp@0.1.2├──proxy-addr@1.0.0(ipaddr.js@0.1.2)├──type-is@1.2.0(mime@1.2.11)├──send@0.3.0(debug@0.8.0,mime@1.2.11)└──accepts@1.0.1(negotiator@0.4.3,mime@1.2.11)chenshengtekiMacBook-Pro:~cs$express-v-bash:express:commandnotfound反正就是找不到，應(yīng)該是沒成功，之前也安裝過幾次，各種報(bào)錯(cuò)，就是安裝不成功，求解