From 3c2f4e50e120b678d71c7d75a7e7e1241017fa51 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E5=B4=AE=E7=94=9F?= <2234839456@qq.com>
Date: Mon, 25 Sep 2023 08:41:50 +0800
Subject: [PATCH] add Access-Control-Max-Age by OPTIONS (#9257)
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Update serve.go

避免每次请求都发送预检请求。

对于 OceanPress 这类工具而言，能够获得更快的速度
---
 kernel/server/serve.go | 1 +
 1 file changed, 1 insertion(+)

diff --git a/kernel/server/serve.go b/kernel/server/serve.go
index 18666f965..156d3b6ec 100644
--- a/kernel/server/serve.go
+++ b/kernel/server/serve.go
@@ -530,6 +530,7 @@ func corsMiddleware() gin.HandlerFunc {
 		c.Header("Access-Control-Allow-Private-Network", "true")
 
 		if c.Request.Method == "OPTIONS" {
+			c.Header("Access-Control-Max-Age", 600)
 			c.AbortWithStatus(204)
 			return
 		}