perf: 为DNS解析器添加超时配置,避免查询时间过长

在util.js中为dns.Resolver添加超时配置，确保DNS查询在合理时间内完成

packages/core/acme-client/src/util.js

@@ -252,7 +252,7 @@ async function resolveDomainBySoaRecord(recordName, logger = log) {
 
 async function getAuthoritativeDnsResolver(recordName, logger = log) {
     logger(`获取域名${recordName}的权威NS服务器: `);
-    const resolver = new dns.Resolver();
+    const resolver = new dns.Resolver({ timeout: 10000,maxTimeout: 60000 });
 
     try {
         /* Resolve root domain by SOA */

packages/core/acme-client/src/verify.js

@@ -148,7 +148,6 @@ async function walkDnsChallengeRecord(recordName, resolver = dns,deep = 0) {
         /* Authoritative DNS resolver */
         log(`从域名权威服务器获取TXT解析记录`);
         const authoritativeResolver = await util.getAuthoritativeDnsResolver(recordName,log);
-        resolver.setTimeout(10000);
         const res = await walkDnsChallengeRecord(recordName, authoritativeResolver,deep);
         if (res && res.length > 0) {
             for (const item of res) {