diff --git a/internal/web/actions/default/servers/create.go b/internal/web/actions/default/servers/create.go
index 0487d190..0ad30b4c 100644
--- a/internal/web/actions/default/servers/create.go
+++ b/internal/web/actions/default/servers/create.go
@@ -338,7 +338,7 @@ func (this *CreateAction) RunPost(params struct {
 			this.ErrorPage(err)
 			return
 		}
-		reverseProxyRef := &serverconfigs.ReverseProxyRef{
+		var reverseProxyRef = &serverconfigs.ReverseProxyRef{
 			IsOn:           true,
 			ReverseProxyId: resp.ReverseProxyId,
 		}
@@ -355,7 +355,7 @@ func (this *CreateAction) RunPost(params struct {
 		var rootJSON []byte
 		var err error
 		if len(params.WebRoot) > 0 {
-			rootConfig := &serverconfigs.HTTPRootConfig{}
+			var rootConfig = &serverconfigs.HTTPRootConfig{}
 			rootConfig.IsOn = true
 			rootConfig.Dir = params.WebRoot
 			rootConfig.Indexes = []string{"index.html", "index.htm"}
@@ -375,7 +375,7 @@ func (this *CreateAction) RunPost(params struct {
 	}
 
 	// 包含条件
-	includeNodes := []maps.Map{}
+	var includeNodes = []maps.Map{}
 	includeNodesJSON, err := json.Marshal(includeNodes)
 	if err != nil {
 		this.ErrorPage(err)
@@ -383,7 +383,7 @@ func (this *CreateAction) RunPost(params struct {
 	}
 
 	// 排除条件
-	excludeNodes := []maps.Map{}
+	var excludeNodes = []maps.Map{}
 	excludeNodesJSON, err := json.Marshal(excludeNodes)
 	if err != nil {
 		this.ErrorPage(err)
@@ -396,7 +396,7 @@ func (this *CreateAction) RunPost(params struct {
 		AdminId:          this.AdminId(),
 		Type:             params.ServerType,
 		Name:             params.Name,
-		ServerNamesJON:   []byte(params.ServerNames),
+		ServerNamesJON:   params.ServerNames,
 		Description:      params.Description,
 		NodeClusterId:    clusterId,
 		IncludeNodesJSON: includeNodesJSON,
diff --git a/web/public/js/utils.js b/web/public/js/utils.js
index 312de8c0..7794e079 100644
--- a/web/public/js/utils.js
+++ b/web/public/js/utils.js
@@ -180,7 +180,7 @@ window.teaweb = {
 	bytesAxis: function (stats, countFunc) {
 		let max = Math.max.apply(this, stats.map(countFunc))
 		let divider = 1
-		let unit = ""
+		let unit = "B"
 		if (max >= Math.pow(1024, 6)) {
 			unit = "E"
 			divider = Math.pow(1024, 6)
@@ -583,7 +583,10 @@ window.teaweb = {
 				show: true,
 				trigger: "item",
 				formatter: function (args) {
-					return tooltipFunc.apply(this, [args, values])
+					if (tooltipFunc != null) {
+						return tooltipFunc.apply(this, [args, values])
+					}
+					return null
 				}
 			},
 			grid: {
diff --git a/web/views/@default/clusters/cluster/settings/dns/index.html b/web/views/@default/clusters/cluster/settings/dns/index.html
index e4d8f341..bfa6d297 100644
--- a/web/views/@default/clusters/cluster/settings/dns/index.html
+++ b/web/views/@default/clusters/cluster/settings/dns/index.html
@@ -31,7 +31,7 @@
                 <td>自动设置CNAME记录<optional-label></optional-label></td>
                 <td>
                     <values-box :values="cnameRecords" name="cnameRecords" placeholder="记录名" ref="cnameRecords"></values-box>
-                    <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>
+                    <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('www')">www</code-label>。</p>
                 </td>
             </tr>
 			<tr>
diff --git a/web/views/@default/dns/updateClusterPopup.html b/web/views/@default/dns/updateClusterPopup.html
index 925ea8cc..291ff458 100644
--- a/web/views/@default/dns/updateClusterPopup.html
+++ b/web/views/@default/dns/updateClusterPopup.html
@@ -48,7 +48,7 @@
             <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>
+                <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('www')">www</code-label>。</p>
             </td>
         </tr>
 		<tr>