bug fixes

src/utils/upload.ts

@@ -2,9 +2,21 @@ import axios from 'axios'
 import md5 from 'blueimp-md5'
 import { getSignature, uploadFile } from '@/api/base'
 
-export async function upload(blob: Blob) {
-  const fileType = blob.type.split('/').pop() || 'png'
-  const key = 'upload/resource-center/' + md5(new Date().getTime() + Math.random().toString(36).slice(-8)) + '.' + fileType
+export async function upload(blob: Blob | File) {
+  let fileType = 'png'
+  if (blob instanceof File && blob.name) {
+    const matches = blob.name.match(/\.(\w+)$/)
+    if (matches) {
+      fileType = matches[1]
+    }
+  } else if (blob.type) {
+    const mimeType = blob.type.split('/').pop()
+    if (mimeType) {
+      fileType = mimeType
+    }
+  }
+  const key =
+    'upload/resource-center/' + md5(new Date().getTime() + Math.random().toString(36).slice(-8)) + '.' + fileType
   const response: any = await getSignature()
   const params = {
     key,