websocket tips

Protocols/Websocket.php

@@ -309,7 +309,7 @@ class Websocket implements \Workerman\Protocols\ProtocolInterface
             if (preg_match("/Sec-WebSocket-Key: *(.*?)\r\n/i", $buffer, $match)) {
                 $Sec_WebSocket_Key = $match[1];
             } else {
-                $connection->send("HTTP/1.1 400 Bad Request\r\n\r\n<b>400 Bad Request</b><br>Sec-WebSocket-Key not found.<br>This is a WebSocket service and can not be accessed via HTTP.",
+                $connection->send("HTTP/1.1 400 Bad Request\r\n\r\n<b>400 Bad Request</b><br>Sec-WebSocket-Key not found.<br>This is a WebSocket service and can not be accessed via HTTP.<br>See <a href=\"http://wiki.workerman.net/Error1\">http://wiki.workerman.net/Error1</a>",
                     true);
                 $connection->close();
                 return 0;