From db5be361d3cd664d236fb95d5dffe93a117283ad Mon Sep 17 00:00:00 2001
From: ThinkPHP <liuchen@topthink.net>
Date: Fri, 7 Jan 2022 14:34:19 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E6=AD=A3=E5=85=BC=E5=AE=B9=E6=80=A7?=
 =?UTF-8?q?=E9=97=AE=E9=A2=98?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 src/Captcha.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Captcha.php b/src/Captcha.php
index 0789087..83195f1 100644
--- a/src/Captcha.php
+++ b/src/Captcha.php
@@ -178,7 +178,7 @@ public function create(string $config = null, bool $api = false): Response
         // 图片高(px)
         $this->imageH || $this->imageH = $this->fontSize * 2.5;
         // 建立一幅 $this->imageW x $this->imageH 的图像
-        $this->im = imagecreate($this->imageW, $this->imageH);
+        $this->im = imagecreate((int) $this->imageW, (int) $this->imageH);
         // 设置背景
         imagecolorallocate($this->im, $this->bg[0], $this->bg[1], $this->bg[2]);