From 9af3803ed932f03eb13e7b65497a8af25d7a826d Mon Sep 17 00:00:00 2001
From: unbyte <i@shangyes.net>
Date: Mon, 18 Jan 2021 14:15:44 +0800
Subject: [PATCH] resolve

---
 gin.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/gin.go b/gin.go
index fac24708..986da0e4 100644
--- a/gin.go
+++ b/gin.go
@@ -448,7 +448,7 @@ func (engine *Engine) handleHTTPRequest(c *Context) {
 		}
 		if len(allowed) > 0 {
 			c.handlers = engine.allNoMethod
-			c.writermem.Header()["Allow"] = []string{strings.Join(allowed, ", ")}
+			c.writermem.Header().Set("Allow", strings.Join(allowed, ", "))
 			serveError(c, http.StatusMethodNotAllowed, default405Body)
 			return
 		}