From dafb0c96c0760357b618386cbcd36aa3cdc12613 Mon Sep 17 00:00:00 2001
From: Dev <dev@126.com>
Date: Fri, 16 Oct 2026 14:34:59 +0800
Subject: [PATCH] =?UTF-8?q?=E9=AA=8C=E8=AF=81=E7=A0=81=E4=BF=AE=E6=94=B9?=
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---
 backend/application/admin/view/index/login.html | 2 +-
 backend/application/config.php                  | 4 ++--
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/backend/application/admin/view/index/login.html b/backend/application/admin/view/index/login.html
index b2b0322..22c4de7 100644
--- a/backend/application/admin/view/index/login.html
+++ b/backend/application/admin/view/index/login.html
@@ -118,7 +118,7 @@
                             <div class="input-group-addon"><span class="glyphicon glyphicon-option-horizontal" aria-hidden="true"></span></div>
                             <input type="text" name="captcha" class="form-control" placeholder="{:__('Captcha')}" data-rule="{:__('Captcha')}:required;length({$Think.config.captcha.length})" autocomplete="off"/>
                             <span class="input-group-addon" style="padding:0;border:none;cursor:pointer;">
-                                    <img src="{:rtrim('__PUBLIC__', '/')}/index.php?s=/captcha" width="100" height="30" onclick="this.src = '{:rtrim('__PUBLIC__', '/')}/index.php?s=/captcha&r=' + Math.random();"/>
+                                    <img src="{:rtrim('__PUBLIC__', '/')}/index.php?s=/captcha" width="150" height="32" onclick="this.src = '{:rtrim('__PUBLIC__', '/')}/index.php?s=/captcha&r=' + Math.random();"/>
                             </span>
                         </div>
                         {/if}
diff --git a/backend/application/config.php b/backend/application/config.php
index 3869da7..f1989ac 100644
--- a/backend/application/config.php
+++ b/backend/application/config.php
@@ -246,9 +246,9 @@ return [
         // 验证码图片高度
         'imageH'   => 40,
         // 验证码图片宽度
-        'imageW'   => 130,
+        'imageW'   => 180,
         // 验证码位数
-        'length'   => 2,
+        'length'   => 4,
         // 验证成功后是否重置
         'reset'    => true
     ],