diff --git a/frontend/crawlab-ui/package.json b/frontend/crawlab-ui/package.json
index 45ccc97d..cffb6cd5 100644
--- a/frontend/crawlab-ui/package.json
+++ b/frontend/crawlab-ui/package.json
@@ -75,7 +75,6 @@
     "@popperjs/core": "^2.11.8",
     "@types/getos": "^3.0.4",
     "@types/humanize-duration": "^3.27.4",
-    "@types/javascript-time-ago": "^2.0.8",
     "@types/lodash": "^4.17.6",
     "@types/markdown-it": "^14.1.2",
     "@types/md5": "^2.3.5",
diff --git a/frontend/crawlab-ui/pnpm-lock.yaml b/frontend/crawlab-ui/pnpm-lock.yaml
index 3eb5de4f..df0cb410 100644
--- a/frontend/crawlab-ui/pnpm-lock.yaml
+++ b/frontend/crawlab-ui/pnpm-lock.yaml
@@ -50,9 +50,6 @@ importers:
       '@types/humanize-duration':
         specifier: ^3.27.4
         version: 3.27.4
-      '@types/javascript-time-ago':
-        specifier: ^2.0.8
-        version: 2.5.0
       '@types/lodash':
         specifier: ^4.17.6
         version: 4.17.16
@@ -1205,10 +1202,6 @@ packages:
   '@types/istanbul-reports@3.0.4':
     resolution: {integrity: sha512-pk2B1NWalF9toCRu6gjBzR69syFjP4Od8WRAX+0mmf9lAjCRicLOWc+ZrxZHx/0XRjotgkF9t6iaMJ+aXcOdZQ==}
 
-  '@types/javascript-time-ago@2.5.0':
-    resolution: {integrity: sha512-c0GQ02qkkZx138VphjPqU4+PkVSNkWvQcpE3Yy03S6NpWlT9XTSXPUbJ1qv4KV0/eW7wSEAoU87e2YHz7ndHrA==}
-    deprecated: This is a stub types definition. javascript-time-ago provides its own type definitions, so you do not need this installed.
-
   '@types/jest@29.5.14':
     resolution: {integrity: sha512-ZN+4sdnLUbo8EVvVc2ao0GFW6oVrQRPn4K2lglySj7APvSrgzxHiNNK99us4WDMi57xxA2yggblIAMNhXOotLQ==}
 
@@ -4632,10 +4625,6 @@ snapshots:
     dependencies:
       '@types/istanbul-lib-report': 3.0.3
 
-  '@types/javascript-time-ago@2.5.0':
-    dependencies:
-      javascript-time-ago: 2.5.11
-
   '@types/jest@29.5.14':
     dependencies:
       expect: 29.7.0
diff --git a/frontend/crawlab-ui/src/components/core/node/useNode.ts b/frontend/crawlab-ui/src/components/core/node/useNode.ts
index 5cb1c113..0104d44f 100644
--- a/frontend/crawlab-ui/src/components/core/node/useNode.ts
+++ b/frontend/crawlab-ui/src/components/core/node/useNode.ts
@@ -17,19 +17,22 @@ const useNode = (store: Store<RootStoreState>) => {
   // form rules
   const formRules: FormRules = {};
 
+  const allNodesSorted = computed(() => {
+    return state.allNodes.sort((a, b) => {
+      if (a.is_master) return -1;
+      if (b.is_master) return 1;
+      return a.name!.localeCompare(b.name!);
+    });
+  });
+
   const activeNodesSorted = computed(() => {
-    return state.allNodes
-      .filter(n => n.active)
-      .sort((a, b) => {
-        if (a.is_master) return -1;
-        if (b.is_master) return 1;
-        return a.name!.localeCompare(b.name!);
-      });
+    return allNodesSorted.value.filter(node => node.active);
   });
 
   return {
     ...useForm<Node>(ns, store, useNodeService(store), formComponentData),
     formRules,
+    allNodesSorted,
     activeNodesSorted,
   };
 };
diff --git a/frontend/crawlab-ui/src/components/core/spider/SpiderForm.vue b/frontend/crawlab-ui/src/components/core/spider/SpiderForm.vue
index fc0b493f..1cf0b490 100644
--- a/frontend/crawlab-ui/src/components/core/spider/SpiderForm.vue
+++ b/frontend/crawlab-ui/src/components/core/spider/SpiderForm.vue
@@ -4,7 +4,7 @@ import { useStore } from 'vuex';
 import { useSpider, useProject, useNode } from '@/components';
 import { TASK_MODE_RANDOM, TASK_MODE_SELECTED_NODES } from '@/constants/task';
 import pinyin, { STYLE_NORMAL } from 'pinyin';
-import { isZeroObjectId } from '@/utils/mongo';
+import { EMPTY_OBJECT_ID, isZeroObjectId } from '@/utils/mongo';
 import { useSpiderDetail } from '@/views';
 import { getToRunNodes, priorityOptions, translate } from '@/utils';
 import { getSpiderTemplateGroups, getSpiderTemplates } from '@/utils/spider';
@@ -20,11 +20,11 @@ const { get } = useRequest();
 const store = useStore();
 
 // use node
-const { activeNodesSorted: activeNodes } = useNode(store);
+const { allNodesSorted: allNodes } = useNode(store);
 
 const toRunNodes = computed(() => {
   const { mode, node_ids } = form.value;
-  return getToRunNodes(mode, node_ids, activeNodes.value);
+  return getToRunNodes(mode, node_ids, allNodes.value);
 });
 
 // use spider
@@ -177,7 +177,15 @@ defineOptions({ name: 'ClSpiderForm' });
       :label="t('components.spider.form.project')"
       prop="project_id"
     >
-      <cl-remote-select v-model="form.project_id" endpoint="/projects" />
+      <cl-remote-select
+        v-model="form.project_id"
+        endpoint="/projects"
+        filterable
+        :empty-option="{
+          label: t('common.status.unassigned'),
+          value: EMPTY_OBJECT_ID,
+        }"
+      />
     </cl-form-item>
     <!-- ./Row -->
 
@@ -246,7 +254,7 @@ defineOptions({ name: 'ClSpiderForm' });
         :placeholder="t('components.spider.form.selectedNodes')"
       >
         <el-option
-          v-for="n in activeNodes"
+          v-for="n in allNodes"
           :key="n.key"
           :value="n._id"
           :label="n.name"
@@ -254,7 +262,14 @@ defineOptions({ name: 'ClSpiderForm' });
           <span style="margin-right: 5px">
             <cl-node-tag :node="n" icon-only />
           </span>
-          <span>{{ n.name }}</span>
+          <span>
+            {{
+              n.name +
+              (n.active
+                ? ''
+                : ` (${t('components.node.nodeStatus.label.offline')})`)
+            }}
+          </span>
         </el-option>
       </el-select>
     </cl-form-item>
diff --git a/frontend/crawlab-ui/src/components/ui/select/RemoteSelect.vue b/frontend/crawlab-ui/src/components/ui/select/RemoteSelect.vue
index f935acf1..e2931273 100644
--- a/frontend/crawlab-ui/src/components/ui/select/RemoteSelect.vue
+++ b/frontend/crawlab-ui/src/components/ui/select/RemoteSelect.vue
@@ -8,11 +8,13 @@ const props = withDefaults(
     placeholder?: string;
     disabled?: boolean;
     filterable?: boolean;
+    clearable?: boolean;
     remoteShowSuffix?: boolean;
     endpoint: string;
     labelKey?: string;
     valueKey?: string;
     limit?: number;
+    emptyOption?: SelectOption;
   }>(),
   {
     remoteShowSuffix: true,
@@ -62,12 +64,21 @@ const remoteMethod = async (query?: string) => {
     loading.value = false;
   }
 };
-const selectOptions = computed<SelectOption[]>(() =>
-  list.value.map(row => ({
-    label: row[props.labelKey],
-    value: row[props.valueKey],
-  }))
-);
+const selectOptions = computed<SelectOption[]>(() => {
+  const { emptyOption, labelKey, valueKey } = props;
+  const options: SelectOption[] = list.value.map(row => ({
+    label: row[labelKey],
+    value: row[valueKey],
+  }));
+  if (emptyOption) {
+    const { label, value } = emptyOption;
+    options.unshift({
+      label,
+      value,
+    });
+  }
+  return options;
+});
 onBeforeMount(remoteMethod);
 
 defineOptions({ name: 'ClRemoteSelect' });
@@ -79,6 +90,7 @@ defineOptions({ name: 'ClRemoteSelect' });
     :placeholder="placeholder"
     :filterable="filterable"
     :disabled="disabled"
+    :clearable="clearable"
     remote
     :remote-method="remoteMethod"
     :remote-show-suffix="remoteShowSuffix"
diff --git a/frontend/crawlab-ui/src/layouts/content/detail/DetailLayout.vue b/frontend/crawlab-ui/src/layouts/content/detail/DetailLayout.vue
index 31e08b49..f7d0898e 100644
--- a/frontend/crawlab-ui/src/layouts/content/detail/DetailLayout.vue
+++ b/frontend/crawlab-ui/src/layouts/content/detail/DetailLayout.vue
@@ -10,6 +10,7 @@ const props = withDefaults(
     showBackButton?: boolean;
     showSaveButton?: boolean;
     allListSelectOptions?: SelectOption[];
+    navItemLabelFn?: (item: NavItem) => string;
   }>(),
   {
     navItemNameKey: 'name',
@@ -77,7 +78,7 @@ defineOptions({ name: 'ClDetailLayout' });
               <el-option
                 v-for="item in navItems"
                 :key="item.id"
-                :label="item.label"
+                :label="navItemLabelFn ? navItemLabelFn(item) : item.label"
                 :value="item.id"
               />
             </el-select>
diff --git a/frontend/crawlab-ui/src/layouts/content/detail/useDetail.ts b/frontend/crawlab-ui/src/layouts/content/detail/useDetail.ts
index 1ad3f8a6..8f2493d4 100644
--- a/frontend/crawlab-ui/src/layouts/content/detail/useDetail.ts
+++ b/frontend/crawlab-ui/src/layouts/content/detail/useDetail.ts
@@ -41,6 +41,7 @@ const useDetail = <T extends BaseModel>(ns: ListStoreNamespace) => {
       items.unshift({
         id: activeId.value,
         label: form.name || activeId.value,
+        data: form,
       });
     }
     return items;
diff --git a/frontend/crawlab-ui/src/utils/time.ts b/frontend/crawlab-ui/src/utils/time.ts
index c3f55df5..97c88de0 100644
--- a/frontend/crawlab-ui/src/utils/time.ts
+++ b/frontend/crawlab-ui/src/utils/time.ts
@@ -1,9 +1,8 @@
 import dayjs from 'dayjs';
-import TimeAgo, { LocaleData } from 'javascript-time-ago';
+import TimeAgo, { LocaleData, FormatStyleName } from 'javascript-time-ago';
 import { getI18n } from '@/i18n';
 import en from 'javascript-time-ago/locale/en';
 import zh from 'javascript-time-ago/locale/zh';
-import { FormatStyle } from 'javascript-time-ago/style';
 
 TimeAgo.addLocale(en as LocaleData);
 TimeAgo.addLocale(zh as LocaleData);
@@ -18,7 +17,7 @@ export const getTimeUnitParts = (timeUnit: string) => {
 
 export const formatTimeAgo = (
   value: string | Date,
-  formatStyle?: string | FormatStyle
+  formatStyle?: string | FormatStyleName
 ) => {
   const time = dayjs(value);
   const timeAgo = new TimeAgo(
diff --git a/frontend/crawlab-ui/src/views/task/detail/TaskDetail.vue b/frontend/crawlab-ui/src/views/task/detail/TaskDetail.vue
index 74307414..89ee4bab 100644
--- a/frontend/crawlab-ui/src/views/task/detail/TaskDetail.vue
+++ b/frontend/crawlab-ui/src/views/task/detail/TaskDetail.vue
@@ -2,13 +2,20 @@
 import { useStore } from 'vuex';
 import { useTaskDetail } from '@/views';
 import { useTask } from '@/components';
-import { isPro } from '@/utils';
+import { formatTimeAgo, isPro } from '@/utils';
 
 const { activeTabName } = useTaskDetail();
 
 const store = useStore();
 const { allListSelectOptions } = useTask(store);
 
+const navItemLabelFn = (item: NavItem<Task>) => {
+  if (!item.data) return item.label;
+  const spiderName = item.data.spider?.name;
+  const createdAt = formatTimeAgo(item.data.created_at!, 'mini-minute-now');
+  return `${spiderName} - ${createdAt}`;
+};
+
 defineOptions({ name: 'ClTaskDetail' });
 </script>
 
@@ -16,6 +23,7 @@ defineOptions({ name: 'ClTaskDetail' });
   <cl-detail-layout
     store-namespace="task"
     :all-list-select-options="allListSelectOptions"
+    :nav-item-label-fn="navItemLabelFn"
   >
     <template #actions>
       <cl-task-detail-actions-common />
@@ -26,5 +34,3 @@ defineOptions({ name: 'ClTaskDetail' });
     </template>
   </cl-detail-layout>
 </template>
-
-