add body parser

server.js

@@ -10,6 +10,7 @@ module.exports = server
 // load middleware module
 const koaLogger = require('koa-logger')
 const koaCors = require('@koa/cors')
+const koaBody = require('koa-body')
 const rootRouter = require('@route/index.js')
 
 app.use(koaLogger())
@@ -18,5 +19,11 @@ app.use(koaCors({
   // allow all origin
   origin: ctx => ctx.get('origin')
 }))
+app.use(koaBody({
+  multipart: true,
+  formidable: {
+    maxFileSize: 100 * 1024 * 1024 // 100 mb
+  }
+}))
 app.use(rootRouter.allowedMethods())
 app.use(rootRouter.routes())