diff --git a/application/src/main/resources/extensions/system-setting.yaml b/application/src/main/resources/extensions/system-setting.yaml
index 4cda62b05..eaf441484 100644
--- a/application/src/main/resources/extensions/system-setting.yaml
+++ b/application/src/main/resources/extensions/system-setting.yaml
@@ -97,16 +97,21 @@ spec:
       formSchema:
         - $formkit: checkbox
           name: allowRegistration
+          id: allowRegistration
+          key: allowRegistration
           label: "开放注册"
           value: false
         - $formkit: checkbox
           name: mustVerifyEmailOnRegistration
           label: "注册需验证邮箱"
+          if: "$get(allowRegistration).value === true"
           help: "需要确保已经正确配置邮件通知器"
           value: false
         - $formkit: roleSelect
           name: defaultRole
           label: "默认角色"
+          validation: 'required'
+          if: "$get(allowRegistration).value === true"
           help: 用户注册之后默认为用户分配的角色
         - $formkit: attachmentPolicySelect
           name: avatarPolicy