react项目，在执行 cnpm i 的时候，报如下错误？

Windows PowerShell
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PS D:\wms-web\hgwms-factory-web> cnpm i
/ [0/76] Installing webpack-hot-middleware@^2.12.1[jspdf@1.5.3 › file-saver@github:eligrey/FileSaver.js#1.3.8] install file-saver from git file-saver@github:eligrey/FileSaver.js#1.3.8, may be very slow, please keep patience
× Install fail! Error: [jspdf@1.5.3 › file-saver@github:eligrey/FileSaver.js#1.3.8] No git binary found in $PATH
Error: [jspdf@1.5.3 › file-saver@github:eligrey/FileSaver.js#1.3.8] No git binary found in $PATH
    at module.exports (C:\Program Files\nodejs\node_global\node_modules\cnpm\node_modules\npminstall\lib\download\git.js:36:11)
    at async module.exports (C:\Program Files\nodejs\node_global\node_modules\cnpm\node_modules\npminstall\lib\download\index.js:17:12)        
    at async _install (C:\Program Files\nodejs\node_global\node_modules\cnpm\node_modules\npminstall\lib\install.js:125:16)
    at async install (C:\Program Files\nodejs\node_global\node_modules\cnpm\node_modules\npminstall\lib\install.js:26:12)
    at async mapper (C:\Program Files\nodejs\node_global\node_modules\cnpm\node_modules\npminstall\lib\install.js:266:9)
npminstall version: 5.8.0
npminstall args: C:\Program Files\nodejs\node.exe C:\Program Files\nodejs\node_global\node_modules\cnpm\node_modules\npminstall\bin\install.js 
--fix-bug-versions --china --userconfig=C:\Users\suiwei\.cnpmrc --disturl=https://npmmirror.com/mirrors/node --registry=https://registry.npmmirror.com
PS D:\wms-web\hgwms-factory-web>