diff --git a/eladmin-system/src/main/resources/config/application-prod.yml b/eladmin-system/src/main/resources/config/application-prod.yml
index a4122c28..00d56a7d 100644
--- a/eladmin-system/src/main/resources/config/application-prod.yml
+++ b/eladmin-system/src/main/resources/config/application-prod.yml
@@ -55,7 +55,7 @@ login:
   #  验证码
   login-code:
     #  验证码类型配置 查看 LoginProperties 类
-    code-type: chinese_gif
+    code-type: arithmetic
     #  登录图形验证码有效时间/分钟
     expiration: 2
     #  验证码高度