优化：域名授权方式

src/main/java/com/gxwebsoft/cms/controller/CmsDomainController.java

@@ -1,5 +1,6 @@
 package com.gxwebsoft.cms.controller;
 
+import cn.hutool.core.collection.CollectionUtil;
 import cn.hutool.core.util.ObjectUtil;
 import com.baomidou.mybatisplus.core.conditions.query.LambdaQueryWrapper;
 import com.gxwebsoft.cms.mapper.CmsDomainMapper;
@@ -163,6 +164,9 @@ public class CmsDomainController extends BaseController {
         .eq(CmsDomain::getStatus, 1)
         .eq(CmsDomain::getDeleted, 0)
         .orderByAsc(CmsDomain::getSortNumber));
+      if (CollectionUtil.isEmpty(list)) {
+        return fail("未授权域名");
+      }
       return success(list.get(0));
     }