购买完成后配置完成，出现鉴权失败


<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: Notice</p>
<p>Message:  Undefined index: signature</p>
<p>Filename: Tunnel/TunnelService.php</p>
<p>Line Number: 94</p>

    <p>Backtrace:</p>

            <p style="margin-left:10px">
            File: /data/release/php-weapp-demo/vendor/qcloud/weapp-sdk/lib/Tunnel/TunnelService.php<br />
            Line: 94<br />
            Function: _error_handler            </p>

            <p style="margin-left:10px">
            File: /data/release/php-weapp-demo/vendor/qcloud/weapp-sdk/lib/Tunnel/TunnelService.php<br />
            Line: 17<br />
            Function: handleGet         </p>

            <p style="margin-left:10px">
            File: /data/release/php-weapp-demo/application/controllers/Tunnel.php<br />
            Line: 11<br />
            Function: handle            </p>

            <p style="margin-left:10px">
            File: /data/release/php-weapp-demo/index.php<br />
            Line: 328<br />
            Function: require_once          </p>

</div>
<div style="border:1px solid #990000;padding-left:20px;margin:0 0 10px 0;">

<h4>A PHP Error was encountered</h4>

<p>Severity: Notice</p>
<p>Message:  Array to string conversion</p>
<p>Filename: Tunnel/Signature.php</p>
<p>Line Number: 11</p>

    <p>Backtrace:</p>

            <p style="margin-left:10px">
            File: /data/release/php-weapp-demo/vendor/qcloud/weapp-sdk/lib/Tunnel/Signature.php<br />
            Line: 11<br />
            Function: _error_handler            </p>

            <p style="margin-left:10px">
            File: /data/release/php-weapp-demo/vendor/qcloud/weapp-sdk/lib/Tunnel/Signature.php<br />
            Line: 23<br />
            Function: compute           </p>

            <p style="margin-left:10px">
            File: /data/release/php-weapp-demo/vendor/qcloud/weapp-sdk/lib/Tunnel/TunnelService.php<br />
            Line: 97<br />
            Function: check         </p>

            <p style="margin-left:10px">
            File: /data/release/php-weapp-demo/vendor/qcloud/weapp-sdk/lib/Tunnel/TunnelService.php<br />
            Line: 17<br />
            Function: handleGet         </p>

            <p style="margin-left:10px">
            File: /data/release/php-weapp-demo/application/controllers/Tunnel.php<br />
            Line: 11<br />
            Function: handle            </p>

            <p style="margin-left:10px">
            File: /data/release/php-weapp-demo/index.php<br />
            Line: 328<br />
            Function: require_once          </p>

</div>{"error":"签名校验失败"}
tencentyun / wafer

购买完成后配置完成，出现鉴权失败 #16
