diff --git a/ruoyi-admin/src/main/resources/application.yml b/ruoyi-admin/src/main/resources/application.yml
index cc644c7..842af6a 100644
--- a/ruoyi-admin/src/main/resources/application.yml
+++ b/ruoyi-admin/src/main/resources/application.yml
@@ -37,7 +37,7 @@ ruoyi:
 captcha:
   # 页面 <参数设置> 可开启关闭 验证码校验
   # 验证码类型 math 数组计算 char 字符验证
-  type: char
+  type: math
   # line 线段干扰 circle 圆圈干扰 shear 扭曲干扰
   category: shear
   # 数字验证码位数