diff --git a/internal/web/actions/default/servers/metrics/createPopup.go b/internal/web/actions/default/servers/metrics/createPopup.go
index f493cc64..34395844 100644
--- a/internal/web/actions/default/servers/metrics/createPopup.go
+++ b/internal/web/actions/default/servers/metrics/createPopup.go
@@ -29,12 +29,13 @@ func (this *CreatePopupAction) RunGet(params struct {
 }
 
 func (this *CreatePopupAction) RunPost(params struct {
-	Name       string
-	Category   string
-	KeysJSON   []byte
-	PeriodJSON []byte
-	Value      string
-	IsPublic   bool
+	Name          string
+	Category      string
+	KeysJSON      []byte
+	PeriodJSON    []byte
+	Value         string
+	IsPublic      bool
+	ExpiresPeriod int32
 
 	Must *actions.Must
 	CSRF *actionutils.CSRF
@@ -68,15 +69,20 @@ func (this *CreatePopupAction) RunPost(params struct {
 	var period = periodMap.GetInt32("period")
 	var periodUnit = periodMap.GetString("unit")
 
+	if params.ExpiresPeriod < 0 {
+		params.ExpiresPeriod = 0
+	}
+
 	createResp, err := this.RPC().MetricItemRPC().CreateMetricItem(this.AdminContext(), &pb.CreateMetricItemRequest{
-		Code:       "", // TODO 未来实现
-		Category:   params.Category,
-		Name:       params.Name,
-		Keys:       keys,
-		Period:     period,
-		PeriodUnit: periodUnit,
-		Value:      params.Value,
-		IsPublic:   params.IsPublic,
+		Code:          "", // TODO 未来实现
+		Category:      params.Category,
+		Name:          params.Name,
+		Keys:          keys,
+		Period:        period,
+		PeriodUnit:    periodUnit,
+		ExpiresPeriod: params.ExpiresPeriod,
+		Value:         params.Value,
+		IsPublic:      params.IsPublic,
 	})
 	if err != nil {
 		this.ErrorPage(err)
diff --git a/internal/web/actions/default/servers/metrics/index.go b/internal/web/actions/default/servers/metrics/index.go
index b644609c..15174a1e 100644
--- a/internal/web/actions/default/servers/metrics/index.go
+++ b/internal/web/actions/default/servers/metrics/index.go
@@ -53,6 +53,7 @@ func (this *IndexAction) RunGet(params struct {
 			"period":         item.Period,
 			"periodUnit":     item.PeriodUnit,
 			"periodUnitName": serverconfigs.FindMetricPeriodUnitName(item.PeriodUnit),
+			"expiresPeriod":  item.ExpiresPeriod,
 			"keys":           item.Keys,
 			"value":          item.Value,
 			"valueName":      serverconfigs.FindMetricValueName(item.Category, item.Value),
diff --git a/internal/web/actions/default/servers/metrics/metricutils/utils.go b/internal/web/actions/default/servers/metrics/metricutils/utils.go
index 8b2201b5..3fe29b08 100644
--- a/internal/web/actions/default/servers/metrics/metricutils/utils.go
+++ b/internal/web/actions/default/servers/metrics/metricutils/utils.go
@@ -46,6 +46,7 @@ func InitItem(parent *actionutils.ParentAction, itemId int64) (*pb.MetricItem, e
 		"category":       item.Category,
 		"isPublic":       item.IsPublic,
 		"countCharts":    countCharts,
+		"expiresPeriod":  item.ExpiresPeriod,
 	}
 	return item, nil
 }
diff --git a/internal/web/actions/default/servers/metrics/update.go b/internal/web/actions/default/servers/metrics/update.go
index a8463d58..aa77b81c 100644
--- a/internal/web/actions/default/servers/metrics/update.go
+++ b/internal/web/actions/default/servers/metrics/update.go
@@ -35,13 +35,14 @@ func (this *UpdateAction) RunGet(params struct {
 }
 
 func (this *UpdateAction) RunPost(params struct {
-	ItemId     int64
-	Name       string
-	KeysJSON   []byte
-	PeriodJSON []byte
-	Value      string
-	IsOn       bool
-	IsPublic   bool
+	ItemId        int64
+	Name          string
+	KeysJSON      []byte
+	PeriodJSON    []byte
+	ExpiresPeriod int32
+	Value         string
+	IsOn          bool
+	IsPublic      bool
 
 	Must *actions.Must
 	CSRF *actionutils.CSRF
@@ -71,15 +72,20 @@ func (this *UpdateAction) RunPost(params struct {
 	var period = periodMap.GetInt32("period")
 	var periodUnit = periodMap.GetString("unit")
 
+	if params.ExpiresPeriod < 0 {
+		params.ExpiresPeriod = 0
+	}
+
 	_, err = this.RPC().MetricItemRPC().UpdateMetricItem(this.AdminContext(), &pb.UpdateMetricItemRequest{
-		MetricItemId: params.ItemId,
-		Name:         params.Name,
-		Keys:         keys,
-		Period:       period,
-		PeriodUnit:   periodUnit,
-		Value:        params.Value,
-		IsOn:         params.IsOn,
-		IsPublic:     params.IsPublic,
+		MetricItemId:  params.ItemId,
+		Name:          params.Name,
+		Keys:          keys,
+		Period:        period,
+		PeriodUnit:    periodUnit,
+		Value:         params.Value,
+		IsOn:          params.IsOn,
+		IsPublic:      params.IsPublic,
+		ExpiresPeriod: params.ExpiresPeriod,
 	})
 	if err != nil {
 		this.ErrorPage(err)
diff --git a/web/views/@default/servers/metrics/createPopup.html b/web/views/@default/servers/metrics/createPopup.html
index 5c2a4da5..1773683e 100644
--- a/web/views/@default/servers/metrics/createPopup.html
+++ b/web/views/@default/servers/metrics/createPopup.html
@@ -42,6 +42,15 @@
                 </select>
             </td>
         </tr>
+        <tr>
+            <td>数据保留周期</td>
+            <td>
+                <div class="ui input">
+                    <input type="text" size="4" maxlength="4" name="expiresPeriod"/>
+                </div>
+                <p class="comment">自动删除此周期以外的数据。单位和统计周期一致。不填或者为0，表示自动计算。</p>
+            </td>
+        </tr>
         <tr>
             <td>是否公用</td>
             <td>
diff --git a/web/views/@default/servers/metrics/item.html b/web/views/@default/servers/metrics/item.html
index 502170cd..2dd61f48 100644
--- a/web/views/@default/servers/metrics/item.html
+++ b/web/views/@default/servers/metrics/item.html
@@ -30,6 +30,14 @@
             <span class="ui label small basic">{{item.valueName}}</span>
         </td>
     </tr>
+    <tr>
+        <td>数据保留周期</td>
+        <td>
+            <span v-if="item.expiresPeriod > 0">{{item.expiresPeriod}}</span>
+            <span v-else>自动</span>
+            <p class="comment" v-if="item.expiresPeriod > 0">单位和统计周期一致。</p>
+        </td>
+    </tr>
     <tr>
         <td>是否公用</td>
         <td>
diff --git a/web/views/@default/servers/metrics/update.html b/web/views/@default/servers/metrics/update.html
index 486ed29e..c543ef81 100644
--- a/web/views/@default/servers/metrics/update.html
+++ b/web/views/@default/servers/metrics/update.html
@@ -44,6 +44,15 @@
                 </select>
             </td>
         </tr>
+        <tr>
+            <td>数据保留周期</td>
+            <td>
+                <div class="ui input">
+                    <input type="text" size="4" maxlength="4" name="expiresPeriod" v-model="item.expiresPeriod"/>
+                </div>
+                <p class="comment">自动删除此周期以外的数据。单位和统计周期一致。不填或者为0，表示自动计算。</p>
+            </td>
+        </tr>
         <tr>
             <td>是否公用</td>
             <td>