From 988d165aae3fcffb9b21190c8c964f0bc5213863 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=E7=BF=9F=E5=B8=85=E5=B9=B2?= <zhaishuaigan@qq.com>
Date: Thu, 12 May 2016 17:19:22 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BF=AE=E5=A4=8D=E9=AA=8C=E8=AF=81=E7=A0=81?=
 =?UTF-8?q?=E4=B8=8D=E6=98=BE=E7=A4=BA=E9=97=AE=E9=A2=98?=
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---
 src/CaptchaController.php | 3 +--
 src/helper.php            | 2 +-
 2 files changed, 2 insertions(+), 3 deletions(-)

diff --git a/src/CaptchaController.php b/src/CaptchaController.php
index 37fa592..f852b5a 100644
--- a/src/CaptchaController.php
+++ b/src/CaptchaController.php
@@ -12,9 +12,8 @@
 namespace think\captcha;
 
 use think\Config;
-use think\Controller;
 
-class CaptchaController extends Controller
+class CaptchaController
 {
     public function index($id = "")
     {
diff --git a/src/helper.php b/src/helper.php
index dd0b407..555077c 100644
--- a/src/helper.php
+++ b/src/helper.php
@@ -35,7 +35,7 @@ function captcha($id = "", $config = [])
  */
 function captcha_src($id = "")
 {
-    return \think\Url::build('/captcha' . $id ? "/{$id}" : '');
+    return \think\Url::build('/captcha' . ($id ? "/{$id}" : ''));
 }