avatar add headers

ruoyi-ui/src/api/system/user.js

@@ -105,6 +105,7 @@ export function uploadAvatar(data) {
   return request({
     url: '/system/user/profile/avatar',
     method: 'post',
+    headers: { 'Content-Type': 'application/x-www-form-urlencoded' },
     data: data
   })
 }