fix(upload): 修复上传图片到图床时403问题

Author: LetTTGACO

util/img2cdn.js

@@ -22,6 +22,7 @@ async function img2Buffer(yuqueImgUrl) {
     try {
       await superagent
         .get(yuqueImgUrl)
+        .set('User-Agent', 'Mozilla/5.0')
         .buffer(true)
         .parse(res => {
           const buffer = [];