diff --git a/packages/ui/certd-server/src/modules/monitor/service/dns-custom.ts b/packages/ui/certd-server/src/modules/monitor/service/dns-custom.ts
index 39d321cb..29436b96 100644
--- a/packages/ui/certd-server/src/modules/monitor/service/dns-custom.ts
+++ b/packages/ui/certd-server/src/modules/monitor/service/dns-custom.ts
@@ -1,60 +1,134 @@
-import { LocalCache } from '@certd/basic';
-import dnsSdk from 'dns'
+import {LocalCache, logger} from '@certd/basic';
+import dnsSdk, {AnyRecord} from 'dns'
+import { LRUCache } from 'lru-cache';
+import {LookupAddress} from "node:dns";
 const dns = dnsSdk.promises
 
 export class DnsCustom{
-  resolver: any;
+  private resolver: dnsSdk.promises.Resolver;
+  private cache = new LRUCache<string, any>({
+    max: 1000,
+    ttl: 1000 * 60 * 5,
+  });
 
   constructor(dnsServers:string[]) {
     const resolver = new dns.Resolver();
     resolver.setServers(dnsServers);
     this.resolver = resolver;
   }
-  async resolve(hostname:string,options:any):Promise<string[]>{
-    // { family: undefined, hints: 0, all: true }
 
-    const cnames = await this.resolver.resolveCname(hostname)
-    let cnameIps = []
-    // deep
-    if (cnames && cnames.length > 0) {
-      for (let cname of cnames) {
-        const cnameIp = await this.resolve(cname,options)
-        if (cnameIp && cnameIp.length > 0) {
-          cnameIps.push(...cnameIp)
+  async lookup(hostname:string,options?:{ family: any, hints: number, all: boolean }):Promise<LookupAddress[]>{
+    const cacheKey = hostname + JSON.stringify(options)
+    let res = this.cache.get(cacheKey)
+    if (res){
+      return res
+    }
+    res = await this.doLookup(hostname,options)
+    this.cache.set(cacheKey,res)
+    return res
+  }
+  async doLookup(hostname:string,options?:{ family: any, hints: number, all: boolean }):Promise<LookupAddress[]>{
+    // { family: undefined, hints: 0, all: true }
+    let cnameIps:LookupAddress[] = []
+    let v4:LookupAddress[] = []
+    let v6:LookupAddress[] = []
+    let errors = []
+    const resolveCname = async ()=>{
+      let cnames = []
+      try{
+        cnames = await this.resolver.resolveCname(hostname)
+      }catch (e) {
+        errors.push(e)
+        logger.warn("query cname error",e)
+      }
+      // deep
+      if (cnames && cnames.length > 0) {
+        for (let cname of cnames) {
+          try{
+            const cnameIp = await this.lookup(cname,options)
+            if (cnameIp && cnameIp.length > 0) {
+              cnameIps.push(...cnameIp)
+            }
+          }catch (e) {
+            errors.push(e)
+            logger.warn("lookup cname error",e)
+          }
         }
       }
     }
-    let v4 = []
-    let v6 = []
+    const queryV6 = async ()=>{
+      try{
+        const list = await this.resolver.resolve6(hostname)
+        if (list && list.length > 0) {
+          v6 = list.map(item=>{
+            return {
+              address: item,
+              family: 6
+            }
+          })
+        }
+      }catch (e) {
+        logger.warn("query v6 error",e)
+        errors.push(e)
+      }
+    }
+    const queryV4 = async ()=>{
+      try{
+        const list =await this.resolver.resolve4(hostname)
+        if (list && list.length > 0) {
+          v4 = list.map(item=>{
+            return {
+              address: item,
+              family: 4
+            }
+          })
+        }
+      }catch (e) {
+        logger.warn("query v4 error",e)
+        errors.push(e)
+      }
+    }
+
+    const queries:Promise<any>[] = [resolveCname()]
+
 
     const {family, all} = options
-    if(family === 6 && !all){
-      v6= await this.resolver.resolve6(hostname)
+    if (all){
+      queries.push(queryV6())
+      queries.push(queryV4())
+    }else{
+      if(family === 6 ){
+        queries.push(queryV6())
+      }
+      if(family === 4 ){
+        queries.push(queryV4())
+      }
     }
-    if(family === 4 && !all){
-      v4 = await this.resolver.resolve4(hostname)
+    await Promise.all(queries)
+    const res = [...v4,...v6,...cnameIps]
+    if(res.length === 0){
+      if (errors.length > 0){
+        const e =  new Error(errors[0])
+        // @ts-ignore
+        e.errors =  errors
+        throw e
+      }
     }
-
-    if(all){
-       v4 = await this.resolver.resolve4(hostname)
-       v6 = await this.resolver.resolve6(hostname)
-    }
-
-    return [...v4,...v6,...cnameIps]
+    return res
   }
 
-  async resolve4(hostname:string,options:any):Promise<string[]>{
-    return await this.resolver.resolve4(hostname,options)
+  async resolve4(hostname:string):Promise<string[]>{
+    return await this.resolver.resolve4(hostname)
   }
-  async resolve6(hostname:string,options:any):Promise<string[]>{
-    return await this.resolver.resolve6(hostname,options)
+  async resolve6(hostname:string):Promise<string[]>{
+    return await this.resolver.resolve6(hostname)
   }
-  async resolveAny(hostname:string,options:any):Promise<string[]>{
-    return await this.resolver.resolveAny(hostname,options)
+  async resolveAny(hostname:string):Promise<AnyRecord[]>{
+    return await this.resolver.resolveAny(hostname)
   }
 
-  async resolveCname(hostname:string,options:any):Promise<string[]>{
-    return await this.resolver.resolveCname(hostname,options)
+  async resolveCname(hostname:string):Promise<string[]>{
+    return await this.resolver.resolveCname(hostname)
   }
 
 
diff --git a/packages/ui/certd-server/src/modules/monitor/service/site-info-service.ts b/packages/ui/certd-server/src/modules/monitor/service/site-info-service.ts
index c56df2bd..4f9f7f9f 100644
--- a/packages/ui/certd-server/src/modules/monitor/service/site-info-service.ts
+++ b/packages/ui/certd-server/src/modules/monitor/service/site-info-service.ts
@@ -112,9 +112,9 @@ export class SiteInfoService extends BaseService<SiteInfoEntity> {
 
     const setting = await this.userSettingsService.getSetting<UserSiteMonitorSetting>(site.userId, UserSiteMonitorSetting);
     const dnsServer = setting.dnsServer
-    let resolver = null
+    let customDns = null
     if (dnsServer && dnsServer.length > 0) {
-      resolver = dnsContainer.getDns(dnsServer) as any
+      customDns = dnsContainer.getDns(dnsServer) as any
     }
 
     try {
@@ -127,7 +127,7 @@ export class SiteInfoService extends BaseService<SiteInfoEntity> {
         host: site.domain,
         port: site.httpsPort,
         retryTimes,
-        resolver
+        customDns
       });
 
       const certi: PeerCertificate = res.certificate;
@@ -154,7 +154,7 @@ export class SiteInfoService extends BaseService<SiteInfoEntity> {
         error: null,
         checkStatus: "ok"
       };
-
+      logger.info(`测试站点成功：id=${updateData.id},site=${site.name},expiresTime=${updateData.certExpiresTime}`)
       if (site.ipCheck) {
         delete updateData.checkStatus
       }
diff --git a/packages/ui/certd-server/src/modules/monitor/service/site-ip-service.ts b/packages/ui/certd-server/src/modules/monitor/service/site-ip-service.ts
index f0427b18..3220b9ae 100644
--- a/packages/ui/certd-server/src/modules/monitor/service/site-ip-service.ts
+++ b/packages/ui/certd-server/src/modules/monitor/service/site-ip-service.ts
@@ -134,6 +134,7 @@ export class SiteIpService extends BaseService<SiteIpEntity> {
     if (!entity) {
       return;
     }
+    logger.info(`开始测试站点ip: id=${entity.id},ip=${entity.ipAddress}`)
     try {
       await this.update({
         id: entity.id,
@@ -173,7 +174,7 @@ export class SiteIpService extends BaseService<SiteIpEntity> {
       };
 
       await this.update(updateData);
-
+      logger.info(`测试站点ip成功: id=${updateData.id},ip=${entity.ipAddress},expiresTime=${updateData.certExpiresTime}`)
       return updateData
 
     } catch (e) {
@@ -231,7 +232,7 @@ export class SiteIpService extends BaseService<SiteIpEntity> {
       try{
         return await resolver.resolve4(domain);
       }catch (err) {
-        logger.error(`[${domain}] resolve4 error`, err)
+        logger.warn(`[${domain}] resolve4 error`, err)
         return []
       }
     }
@@ -239,7 +240,7 @@ export class SiteIpService extends BaseService<SiteIpEntity> {
       try{
         return await resolver.resolve6(domain);
       }catch (err) {
-        logger.error(`[${domain}] resolve6 error`, err)
+        logger.warn(`[${domain}] resolve6 error`, err)
         return []
       }
     }
diff --git a/packages/ui/certd-server/src/modules/monitor/service/site-tester.ts b/packages/ui/certd-server/src/modules/monitor/service/site-tester.ts
index a25e64ce..e2b99731 100644
--- a/packages/ui/certd-server/src/modules/monitor/service/site-tester.ts
+++ b/packages/ui/certd-server/src/modules/monitor/service/site-tester.ts
@@ -2,6 +2,7 @@ import { logger, safePromise, utils } from "@certd/basic";
 import { merge } from "lodash-es";
 import https from "https";
 import { PeerCertificate } from "tls";
+import {DnsCustom} from "./dns-custom.js";
 
 export type SiteTestReq = {
   host: string; // 只用域名部分
@@ -10,7 +11,7 @@ export type SiteTestReq = {
   retryTimes?: number;
   ipAddress?: string;
 
-  resolver?: any;
+  customDns?: DnsCustom;
 };
 
 export type SiteTestRes = {
@@ -19,7 +20,9 @@ export type SiteTestRes = {
 
 export class SiteTester {
   async test(req: SiteTestReq): Promise<SiteTestRes> {
-    logger.info("测试站点:", JSON.stringify(req));
+    const req_ = {...req}
+    delete req_.customDns
+    logger.info("测试站点:", JSON.stringify(req_));
     const maxRetryTimes = req.retryTimes == null ? 3 : req.retryTimes;
     let tryCount = 0;
     let result: SiteTestRes = {};
@@ -61,15 +64,18 @@ export class SiteTester {
         servername: options.host
       };
       options.host = ipAddress;
-    }else if (req.resolver ) {
+    }else if (req.customDns ) {
       // 非ip address 请求时
-      const resolver = req.resolver
+      const customDns = req.customDns
       customLookup = async (hostname:string, options:any, callback)=> {
         console.log(hostname, options);
 
         // { family: undefined, hints: 0, all: true }
-        const res = await resolver.resolve(hostname, options)
+        const res = await customDns.lookup(hostname, options)
         console.log("custom lookup res:",res)
+        if (!res || res.length === 0) {
+          callback(new Error("没有解析到IP"));
+        }
         callback(null, res);
       }
     }