From 99b10d03238c49f25ab5a9732c9632fa4c1d5231 Mon Sep 17 00:00:00 2001
From: april4 <vest.april4@gmail.com>
Date: Mon, 18 Jul 2022 00:31:20 +0800
Subject: [PATCH] use HEAD instead of GET

---
 backend.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/backend.go b/backend.go
index abaec32..14486b5 100644
--- a/backend.go
+++ b/backend.go
@@ -52,8 +52,8 @@ func (b *Backend) Check() (err error) {
 			return
 		}
 
-		resp, err = client.Get(url)
-		if err != nil || (resp != nil && resp.StatusCode != http.StatusOK) {
+		resp, err = client.Head(url)
+		if err != nil || (resp != nil && resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusMovedPermanently && resp.StatusCode != http.StatusFound) {
 			log.Error(err)
 			b.alive = false
 		} else {