From 892189ff90912f33f1e30e3f4fbf82bc02c0d720 Mon Sep 17 00:00:00 2001
From: Fanrncho <206867549@qq.com>
Date: Fri, 27 Mar 2020 11:35:07 +0800
Subject: [PATCH] Update websocket.lua
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根据Issue（https://github.com/cloudwu/skynet/issues/1163#issue-587403602）提出修改建议。
---
 lualib/http/websocket.lua | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lualib/http/websocket.lua b/lualib/http/websocket.lua
index 6b038744..c9b8ecd9 100755
--- a/lualib/http/websocket.lua
+++ b/lualib/http/websocket.lua
@@ -98,7 +98,7 @@ local function read_handshake(self)
         return 400, "host Required"
     end
 
-    if not header["connection"] or header["connection"]:lower() ~= "upgrade" then
+    if not header["connection"] or not header["connection"]:lower():find("upgrade", 1,true) then
         return 400, "Connection must Upgrade"
     end