update

src/pages/wx/h5.vue

@@ -34,7 +34,8 @@ export default {
         timeStamp: parseInt(new Date().getTime() / 1000).toString()
       }
       const key = 'aV9wPQxDiz1zmXBGlT5xQw0jz8G1Jecv'
-      const str = qs.stringify(Object.assign({}, options, { key }))
+      let str = qs.stringify(Object.assign({}, options, { key }))
+      str = str.replace(/prepay_id%3D/gi, 'prepay_id=')
       const paySign = md5(str).toString().toUpperCase()
       console.log(str, paySign)
       // https://pay.weixin.qq.com/wiki/doc/api/jsapi.php?chapter=7_7&index=6