From 2d4685ac5fe7f10cc4a067dbcee130e401a53f0e Mon Sep 17 00:00:00 2001
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 <15040126243@163.com>
Date: Wed, 14 Jan 2026 16:38:17 +0800
Subject: [PATCH] =?UTF-8?q?update=20=E4=BF=AE=E6=94=B9=E9=AA=8C=E8=AF=81?=
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---
 ruoyi-admin/src/main/resources/application.yml                  | 2 +-
 .../main/java/org/dromara/common/web/config/CaptchaConfig.java  | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/ruoyi-admin/src/main/resources/application.yml b/ruoyi-admin/src/main/resources/application.yml
index 866b8f1a2..3fc344e0b 100644
--- a/ruoyi-admin/src/main/resources/application.yml
+++ b/ruoyi-admin/src/main/resources/application.yml
@@ -26,7 +26,7 @@ captcha:
   # 验证码类型 math 数组计算 char 字符验证
   type: MATH
   # line 线段干扰 circle 圆圈干扰 shear 扭曲干扰
-  category: CIRCLE
+  category: SHEAR
   # 数字验证码位数
   numberLength: 1
   # 字符验证码长度
diff --git a/ruoyi-common/ruoyi-common-web/src/main/java/org/dromara/common/web/config/CaptchaConfig.java b/ruoyi-common/ruoyi-common-web/src/main/java/org/dromara/common/web/config/CaptchaConfig.java
index 650517ed1..b7172e9b6 100644
--- a/ruoyi-common/ruoyi-common-web/src/main/java/org/dromara/common/web/config/CaptchaConfig.java
+++ b/ruoyi-common/ruoyi-common-web/src/main/java/org/dromara/common/web/config/CaptchaConfig.java
@@ -23,7 +23,7 @@ public class CaptchaConfig {
 
     private static final int WIDTH = 160;
     private static final int HEIGHT = 60;
-    private static final Color BACKGROUND = Color.LIGHT_GRAY;
+    private static final Color BACKGROUND = Color.WHITE;
     private static final Font FONT = new Font("Arial", Font.BOLD, 48);
 
     /**