fix: 添加header参数修复上传头像的版本兼容问题

src/api/system/userApi.js

@@ -104,6 +104,9 @@ export function updateUserPassword(oldPassword, newPassword) {
 export function uploadAvatar(data) {
   return request({
     url: '/system/user/profile/avatar',
+    headers: {
+      'Content-Type': 'multipart/form-data',
+    },
     method: 'post',
     data,
   });