diff --git a/server/model/monitor.js b/server/model/monitor.js
index 4fa8e297..bdfa5955 100644
--- a/server/model/monitor.js
+++ b/server/model/monitor.js
@@ -184,28 +184,28 @@ class Monitor extends BeanModel {
                     let dnsRes = await dnsResolve(this.hostname, this.dns_resolve_server, this.dns_resolve_type);
                     bean.ping = dayjs().valueOf() - startTime;
 
-                    if (this.dns_resolve_type == 'A' || this.dns_resolve_type == 'AAAA' || this.dns_resolve_type == 'CNAME' || this.dns_resolve_type == 'PTR') {
+                    if (this.dns_resolve_type == "A" || this.dns_resolve_type == "AAAA" || this.dns_resolve_type == "CNAME" || this.dns_resolve_type == "PTR") {
                         dnsMessage = dnsRes[0];
-                    } else if (this.dns_resolve_type == 'CAA') {
+                    } else if (this.dns_resolve_type == "CAA") {
                         dnsMessage = dnsRes[0].issue;
-                    } else if (this.dns_resolve_type == 'MX') {
+                    } else if (this.dns_resolve_type == "MX") {
                         dnsRes.forEach(record => {
                             dnsMessage += `Server: ${record.exchange} - Priority: ${record.priority} | `;
                         });
                         dnsMessage = dnsMessage.slice(0, -2)
-                    } else if (this.dns_resolve_type == 'NS') { 
+                    } else if (this.dns_resolve_type == "NS") {
                         dnsRes.forEach(record => {
                             dnsMessage += `Server: ${record} | `;
                         });
                         dnsMessage = dnsMessage.slice(0, -2)
-                    } else if (this.dns_resolve_type == 'SOA') {
+                    } else if (this.dns_resolve_type == "SOA") {
                         dnsMessage += `NS-Name: ${dnsRes.nsname} | Hostmaster: ${dnsRes.hostmaster} | Serial: ${dnsRes.serial} | Refresh: ${dnsRes.refresh} | Retry: ${dnsRes.retry} | Expire: ${dnsRes.expire} | MinTTL: ${dnsRes.minttl}`;
-                    } else if (this.dns_resolve_type == 'SRV') {
+                    } else if (this.dns_resolve_type == "SRV") {
                         dnsRes.forEach(record => {
                             dnsMessage += `Name: ${record.name} | Port: ${record.port} | Priority: ${record.priority} | Weight: ${record.weight} | `;
                         });
                         dnsMessage = dnsMessage.slice(0, -2)
-                    } else if (this.dns_resolve_type == 'TXT') {
+                    } else if (this.dns_resolve_type == "TXT") {
                         dnsRes.forEach(record => {
                             dnsMessage += `Record: ${record} | `;
                         });
diff --git a/server/util-server.js b/server/util-server.js
index 2628a4fe..a30bcfec 100644
--- a/server/util-server.js
+++ b/server/util-server.js
@@ -4,7 +4,7 @@ const { R } = require("redbean-node");
 const { debug } = require("../src/util");
 const passwordHash = require("./password-hash");
 const dayjs = require("dayjs");
-const { Resolver } = require('dns');
+const { Resolver } = require("dns");
 
 /**
  * Init or reset JWT secret
@@ -81,7 +81,7 @@ exports.dnsResolve = function (hostname, resolver_server, rrtype) {
     const resolver = new Resolver();
     resolver.setServers([resolver_server]);
     return new Promise((resolve, reject) => {
-        if (rrtype == 'PTR') {
+        if (rrtype == "PTR") {
             resolver.reverse(hostname, (err, records) => {
                 if (err) {
                     reject(err);
diff --git a/src/pages/EditMonitor.vue b/src/pages/EditMonitor.vue
index f55b8d4a..17754c69 100644
--- a/src/pages/EditMonitor.vue
+++ b/src/pages/EditMonitor.vue
@@ -64,7 +64,7 @@
 
                             <div v-if="monitor.type === 'dns'" class="my-3">
                                 <label for="dns_resolve_server" class="form-label">Resolver Server</label>
-                                <input id="dns_resolve_server" v-model="monitor.dns_resolve_server" type="text" class="form-control" :pattern="this.ipRegex" required>
+                                <input id="dns_resolve_server" v-model="monitor.dns_resolve_server" type="text" class="form-control" :pattern="ipRegex" required>
                                 <div class="form-text">
                                     Cloudflare is the default server, you can change the resolver server anytime.
                                 </div>