405状态码和无法加载来源映射

问题描述：

报了405错误，百度说方法不被允许，但后端有这个list方法，为什么还报这个错呢？我尝试把前端的get方式改成post,还是报405.以及报无法加载映射来源是为什么呢？连表单都加载不出来了.

报错信息:You are running a development build of Vue.
Make sure to use the production build (.prod.js) when deploying for production.
index.html:95 1
index.html:96 1
You are running a development build of Vue.
Make sure to use the production build (.prod.js) when deploying for production.
index.html:105 Proxy
You are running a development build of Vue.
Make sure to use the production build (.prod.js) when deploying for production.
api/leave/list?eid=1:1 Failed to load resource: the server responded with a status of 405 ()
axios.js:2 Uncaught (in promise) Error: Request failed with status code 405
[object Proxy]
VM88 vue.global.js:9558 You are running a development build of Vue.
Make sure to use the production build (.prod.js) when deploying for production.
DevTools 无法加载来源映射：无法加载 http://localhost:8080/assets/axios/axios.min.map 的内容：加载因超时而取消
VM96 vue.global.js:9558 You are running a development build of Vue.
Make sure to use the production build (.prod.js) when deploying for production.
VM103 vue.global.js:9558 You are running a development build of Vue.
Make sure to use the production build (.prod.js) when deploying for production.
VM110 vue.global.js:9558 You are running a development build of Vue.
Make sure to use the production build (.prod.js) when deploying for production.
vue.global.js:9558 You are running a development build of Vue.
Make sure to use the production build (.prod.js) when deploying for production.
4DevTools 无法加载来源映射：无法加载 http://localhost:8080/assets/axios/axios.min.map 的内容：加载因超时而取消