From dd0bf32c3500daf026da152b30fefb4b525077c2 Mon Sep 17 00:00:00 2001
From: rcx <3084692334@qq.com>
Date: Wed, 19 Aug 2026 14:28:45 +0800
Subject: [PATCH] =?UTF-8?q?feat(gateway):=E7=99=BB=E5=BD=95=E9=AA=8C?=
 =?UTF-8?q?=E8=AF=81=E7=A0=81=E6=94=B9=E4=B8=BA=E7=BA=AF=E6=95=B0=E5=AD=97?=
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 =?UTF-8?q?=E4=BB=B6=E4=B8=AD=20math=20=E6=94=B9=E6=88=90=20char=20securit?=
 =?UTF-8?q?y:=20=20=20captcha:=20=20=20=20=20enabled:=20true=20=20=20=20?=
 =?UTF-8?q?=20type:=20char=20=20=20#=20math=3D=E7=AE=97=E6=9C=AF=E9=A2=98?=
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Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../src/main/java/com/mhd/gateway/config/CaptchaConfig.java     | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/mhd-gateway/src/main/java/com/mhd/gateway/config/CaptchaConfig.java b/mhd-gateway/src/main/java/com/mhd/gateway/config/CaptchaConfig.java
index 08fffa6e7..a490cad65 100644
--- a/mhd-gateway/src/main/java/com/mhd/gateway/config/CaptchaConfig.java
+++ b/mhd-gateway/src/main/java/com/mhd/gateway/config/CaptchaConfig.java
@@ -34,6 +34,8 @@ public class CaptchaConfig
         properties.setProperty(KAPTCHA_SESSION_CONFIG_KEY, "kaptchaCode");
         // 验证码文本字符长度 默认为5
         properties.setProperty(KAPTCHA_TEXTPRODUCER_CHAR_LENGTH, "4");
+        // 验证码文本字符源 默认为abcde2345678gfynmnpqr 改为纯数字
+        properties.setProperty(KAPTCHA_TEXTPRODUCER_CHAR_STRING, "0123456789");
         // 验证码文本字体样式 默认为new Font("Arial", 1, fontSize), new Font("Courier", 1, fontSize)
         properties.setProperty(KAPTCHA_TEXTPRODUCER_FONT_NAMES, "Arial,Courier");
         // 图片样式 水纹com.google.code.kaptcha.impl.WaterRipple 鱼眼com.google.code.kaptcha.impl.FishEyeGimpy 阴影com.google.code.kaptcha.impl.ShadowGimpy