vue 解决跨域时报错 Cannot read property ‘split‘ of null

vue 解决跨域时报错 Cannot read property ‘split’ of null

具体错误

TypeError: Cannot read property split of null
    at required (C:Users杨韬锦Desktopcdwx-spring-cloudeam-model-web
ode_modules
equires-portindex.js:13:23)
    at Object.common.setupOutgoing (C:Users杨韬锦Desktopcdwx-spring-cloudeam-model-web
ode_moduleshttp-proxylibhttp-proxycommon.js:101:7)
    at Array.stream (C:Users杨韬锦Desktopcdwx-spring-cloudeam-model-web
ode_moduleshttp-proxylibhttp-proxypassesweb-incoming.js:127:14)
    at ProxyServer.<anonymous> (C:Users杨韬锦Desktopcdwx-spring-cloudeam-model-web
ode_moduleshttp-proxylibhttp-proxyindex.js:81:21)
    at middleware (C:Users杨韬锦Desktopcdwx-spring-cloudeam-model-web
ode_moduleshttp-proxy-middlewarelibindex.js:46:13)
    at handle (C:Users杨韬锦Desktopcdwx-spring-cloudeam-model-web
ode_moduleswebpack-dev-serverlibServer.js:322:18)
    at C:Users杨韬锦Desktopcdwx-spring-cloudeam-model-web
ode_moduleswebpack-dev-serverlibServer.js:330:47
    at Layer.handle_error (C:Users杨韬锦Desktopcdwx-spring-cloudeam-model-web
ode_modulesexpresslib
outerlayer.js:71:5)
    at trim_prefix (C:Users杨韬锦Desktopcdwx-spring-cloudeam-model-web
ode_modulesexpresslib
outerindex.js:315:13)
    at C:Users杨韬锦Desktopcdwx-spring-cloudeam-model-web
ode_modulesexpresslib
outerindex.js:284:7
    at Function.process_params (C:Users杨韬锦Desktopcdwx-spring-cloudeam-model-web
ode_modulesexpresslib
outerindex.js:335:12)
    at next (C:Users杨韬锦Desktopcdwx-spring-cloudeam-model-web
ode_modulesexpresslib
outerindex.js:275:10)
    at Layer.handle [as handle_request] (C:Users杨韬锦Desktopcdwx-spring-cloudeam-model-web
ode_modulesexpresslib
outerlayer.js:97:5)
    at trim_prefix (C:Users杨韬锦Desktopcdwx-spring-cloudeam-model-web
ode_modulesexpresslib
outerindex.js:317:13)
    at C:Users杨韬锦Desktopcdwx-spring-cloudeam-model-web
ode_modulesexpresslib
outerindex.js:284:7
    at Function.process_params (C:Users杨韬锦Desktopcdwx-spring-cloudeam-model-web
ode_modulesexpresslib
outerindex.js:335:12)

split为null，定位到报错文件可以看到split是为了拆分出请求地址的头 ‘http’

引起报错原因 解决