From c280209bf5b94cf31094a200b166c97eb3898851 Mon Sep 17 00:00:00 2001
From: GuoHuiPeng <1205504832@qq.com>
Date: Thu, 21 Jul 2022 00:33:11 +0800
Subject: [PATCH] Fix issue 4961 (#5025)

Signed-off-by: GuoHuiPeng <1205504832@qq.com>
---
 tree.go | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/tree.go b/tree.go
index 72f9373c..28b515ff 100644
--- a/tree.go
+++ b/tree.go
@@ -284,6 +284,8 @@ func (t *Tree) addseg(segments []string, route interface{}, wildcards []string,
 
 // Match router to runObject & params
 func (t *Tree) Match(pattern string, ctx *context.Context) (runObject interface{}) {
+        // fix issue 4961, deal with "./ ../ //"
+        pattern = path.Clean(pattern)
 	if len(pattern) == 0 || pattern[0] != '/' {
 		return nil
 	}