Update TwoFactor.php

安装的依赖endroid/qrcode已经弃用
请使用composer require endroid/qr-code

application/index/model/TwoFactor.php

@@ -20,15 +20,16 @@ class TwoFactor extends Model{
 
  	public function qrcodeRender(){
                 ob_end_clean();
-		header("content-type: image/png");
                 $this->secretKey = $this->ga->createSecret();
-		$qrCode = new QrCode();
                 session("two_factor_enable",$this->secretKey);
-		$qrCode->setText(urldecode($this->ga->getQRCodeGoogleUrl(Option::getValue("siteName"), $this->secretKey)))
+                $qrCode = new QrCode(urldecode($this->ga->getQRCodeGoogleUrl(Option::getValue("siteName"), $this->secretKey)));
-		->setPadding(5)
+                $qrCode->setSize(165);
-		->render();
+                $qrCode->setMargin(0);
+                header('Content-Type: '.$qrCode->getContentType());
+                echo $qrCode->writeString();
         }
 
+
 	public function confirmCode($key,$code){
 		$this->secretKey = $key;
 		if(empty($code)){