From dd0e3cdbf2fed7924ca7287805f57f2aa4f298ca Mon Sep 17 00:00:00 2001
From: thinkphp <thinkphp@qq.com>
Date: Mon, 25 Jul 2016 10:07:36 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BB=A3=E7=A0=81=E8=A7=84=E8=8C=83?=
MIME-Version: 1.0
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---
 src/Captcha.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Captcha.php b/src/Captcha.php
index 59c36e7..09ad692 100644
--- a/src/Captcha.php
+++ b/src/Captcha.php
@@ -163,7 +163,7 @@ class Captcha
         $this->fontttf = $ttfPath . $this->fontttf;
 
         if ($this->useImgBg) {
-            $this->_background();
+            $this->background();
         }
 
         if ($this->useNoise) {
@@ -288,7 +288,7 @@ class Captcha
      * 绘制背景图片
      * 注：如果验证码输出图片比较大，将占用比较多的系统资源
      */
-    private function _background()
+    private function background()
     {
         $path = __DIR__ . '/../assets/bgs/';
         $dir  = dir($path);