diff --git a/internal/web/actions/default/clusters/cluster/settings/dns/index.go b/internal/web/actions/default/clusters/cluster/settings/dns/index.go
index 781c723b..951eeac9 100644
--- a/internal/web/actions/default/clusters/cluster/settings/dns/index.go
+++ b/internal/web/actions/default/clusters/cluster/settings/dns/index.go
@@ -51,6 +51,7 @@ func (this *IndexAction) RunGet(params struct {
 	} else {
 		this.Data["cnameRecords"] = dnsInfoResp.CnameRecords
 	}
+	this.Data["ttl"] = dnsInfoResp.Ttl
 
 	this.Show()
 }
@@ -63,6 +64,7 @@ func (this *IndexAction) RunPost(params struct {
 	NodesAutoSync   bool
 	ServersAutoSync bool
 	CnameRecords    []string
+	Ttl             int32
 
 	Must *actions.Must
 	CSRF *actionutils.CSRF
@@ -105,6 +107,7 @@ func (this *IndexAction) RunPost(params struct {
 		NodesAutoSync:   params.NodesAutoSync,
 		ServersAutoSync: params.ServersAutoSync,
 		CnameRecords:    params.CnameRecords,
+		Ttl:             params.Ttl,
 	})
 	if err != nil {
 		this.ErrorPage(err)
diff --git a/internal/web/actions/default/dns/updateClusterPopup.go b/internal/web/actions/default/dns/updateClusterPopup.go
index cab1031c..157a31a5 100644
--- a/internal/web/actions/default/dns/updateClusterPopup.go
+++ b/internal/web/actions/default/dns/updateClusterPopup.go
@@ -9,7 +9,7 @@ import (
 	"github.com/iwind/TeaGo/maps"
 )
 
-// 修改集群的DNS设置
+// UpdateClusterPopupAction 修改集群的DNS设置
 type UpdateClusterPopupAction struct {
 	actionutils.ParentAction
 }
@@ -52,6 +52,8 @@ func (this *UpdateClusterPopupAction) RunGet(params struct {
 		this.Data["cnameRecords"] = dnsResp.CnameRecords
 	}
 
+	this.Data["ttl"] = dnsResp.Ttl
+
 	// 所有服务商
 	providerTypesResp, err := this.RPC().DNSProviderRPC().FindAllDNSProviderTypes(this.AdminContext(), &pb.FindAllDNSProviderTypesRequest{})
 	if err != nil {
@@ -77,6 +79,7 @@ func (this *UpdateClusterPopupAction) RunPost(params struct {
 	NodesAutoSync   bool
 	ServersAutoSync bool
 	CnameRecords    []string
+	Ttl             int32
 
 	Must *actions.Must
 	CSRF *actionutils.CSRF
@@ -111,6 +114,7 @@ func (this *UpdateClusterPopupAction) RunPost(params struct {
 		NodesAutoSync:   params.NodesAutoSync,
 		ServersAutoSync: params.ServersAutoSync,
 		CnameRecords:    params.CnameRecords,
+		Ttl:             params.Ttl,
 	})
 	if err != nil {
 		this.ErrorPage(err)
diff --git a/web/views/@default/clusters/cluster/settings/dns/index.html b/web/views/@default/clusters/cluster/settings/dns/index.html
index d1c3a171..baf096c6 100644
--- a/web/views/@default/clusters/cluster/settings/dns/index.html
+++ b/web/views/@default/clusters/cluster/settings/dns/index.html
@@ -30,13 +30,23 @@
                 <td>自动设置CNAME记录</td>
                 <td>
                     <values-box :values="cnameRecords" name="cnameRecords" placeholder="记录名" ref="cnameRecords"></values-box>
-                    <p class="comment">除了集群节点记录之外，自动加入的CNAME记录，比如<code-label @click.prevent="addCnameRecord('@')">@</code-label>、<code-label @click.prevent="addCnameRecord('www')">www</code-label>。</p>
+                    <p class="comment">除集群已创建的网站服务之外，自动解析到集群的CNAME记录，比如<code-label @click.prevent="addCnameRecord('@')">@</code-label>、<code-label @click.prevent="addCnameRecord('www')">www</code-label>。</p>
                 </td>
             </tr>
 			<tr>
 				<td colspan="2"><more-options-indicator></more-options-indicator></td>
 			</tr>
 			<tbody v-show="moreOptionsVisible">
+                <tr>
+                    <td>记录TTL</td>
+                    <td>
+                        <div class="ui input right labeled">
+                            <input type="text" name="ttl" maxlength="6" style="width: 6em" v-model="ttl"/>
+                            <span class="ui label">秒</span>
+                        </div>
+                        <p class="comment">每个DNS服务商或者账号的TTL限制各有不同，请注意取值范围。0表示使用默认。</p>
+                    </td>
+                </tr>
 				<tr>
 					<td>是否同步节点DNS状态</td>
 					<td>
diff --git a/web/views/@default/dns/updateClusterPopup.html b/web/views/@default/dns/updateClusterPopup.html
index b906dcaf..925ea8cc 100644
--- a/web/views/@default/dns/updateClusterPopup.html
+++ b/web/views/@default/dns/updateClusterPopup.html
@@ -48,13 +48,23 @@
             <td>自动设置CNAME记录</td>
             <td>
                 <values-box :values="cnameRecords" name="cnameRecords" placeholder="记录名" ref="cnameRecords"></values-box>
-                <p class="comment">除了集群节点记录之外，自动加入的CNAME记录，比如<code-label @click.prevent="addCnameRecord('@')">@</code-label>、<code-label @click.prevent="addCnameRecord('www')">www</code-label>。</p>
+                <p class="comment">除集群已创建的网站服务之外，自动解析到集群的CNAME记录，比如<code-label @click.prevent="addCnameRecord('@')">@</code-label>、<code-label @click.prevent="addCnameRecord('www')">www</code-label>。</p>
             </td>
         </tr>
 		<tr>
 			<td colspan="2"><more-options-indicator></more-options-indicator></td>
 		</tr>
 		<tbody v-show="moreOptionsVisible">
+            <tr>
+                <td>记录TTL</td>
+                <td>
+                    <div class="ui input right labeled">
+                        <input type="text" name="ttl" maxlength="6" style="width: 6em" v-model="ttl"/>
+                        <span class="ui label">秒</span>
+                    </div>
+                    <p class="comment">每个DNS服务商或者账号的TTL限制各有不同，请注意取值范围。0表示使用默认。</p>
+                </td>
+            </tr>
 			<tr>
 				<td>是否同步节点DNS状态</td>
 				<td>