diff --git a/orion-ops-module-infra/orion-ops-module-infra-service/src/main/java/com/orion/ops/module/infra/dao/TagDAO.java b/orion-ops-module-infra/orion-ops-module-infra-service/src/main/java/com/orion/ops/module/infra/dao/TagDAO.java
index 21dab2c5..539b630b 100644
--- a/orion-ops-module-infra/orion-ops-module-infra-service/src/main/java/com/orion/ops/module/infra/dao/TagDAO.java
+++ b/orion-ops-module-infra/orion-ops-module-infra-service/src/main/java/com/orion/ops/module/infra/dao/TagDAO.java
@@ -3,6 +3,9 @@ package com.orion.ops.module.infra.dao;
 import com.orion.ops.framework.mybatis.core.mapper.IMapper;
 import com.orion.ops.module.infra.entity.domain.TagDO;
 import org.apache.ibatis.annotations.Mapper;
+import org.apache.ibatis.annotations.Param;
+
+import java.util.List;
 
 /**
  * 标签枚举 Mapper 接口
@@ -14,4 +17,12 @@ import org.apache.ibatis.annotations.Mapper;
 @Mapper
 public interface TagDAO extends IMapper<TagDO> {
 
+    /**
+     * 获取未使用的标签
+     *
+     * @param days days
+     * @return tagId
+     */
+    List<TagDO> selectUnusedTag(@Param("days") Integer days);
+
 }
diff --git a/orion-ops-module-infra/orion-ops-module-infra-service/src/main/java/com/orion/ops/module/infra/service/TagService.java b/orion-ops-module-infra/orion-ops-module-infra-service/src/main/java/com/orion/ops/module/infra/service/TagService.java
index 44edaa02..0bc58cb5 100644
--- a/orion-ops-module-infra/orion-ops-module-infra-service/src/main/java/com/orion/ops/module/infra/service/TagService.java
+++ b/orion-ops-module-infra/orion-ops-module-infra-service/src/main/java/com/orion/ops/module/infra/service/TagService.java
@@ -46,4 +46,9 @@ public interface TagService {
      */
     Integer deleteTagByIdList(List<Long> idList);
 
+    /**
+     * 清理未使用的 tag
+     */
+    void clearUnusedTag();
+
 }
diff --git a/orion-ops-module-infra/orion-ops-module-infra-service/src/main/java/com/orion/ops/module/infra/service/impl/TagServiceImpl.java b/orion-ops-module-infra/orion-ops-module-infra-service/src/main/java/com/orion/ops/module/infra/service/impl/TagServiceImpl.java
index 8f52e2fe..24b044ee 100644
--- a/orion-ops-module-infra/orion-ops-module-infra-service/src/main/java/com/orion/ops/module/infra/service/impl/TagServiceImpl.java
+++ b/orion-ops-module-infra/orion-ops-module-infra-service/src/main/java/com/orion/ops/module/infra/service/impl/TagServiceImpl.java
@@ -32,6 +32,11 @@ import java.util.stream.Collectors;
 @Service
 public class TagServiceImpl implements TagService {
 
+    /**
+     * 未使用的天数
+     */
+    private static final Integer UN_USED_DAYS = 3;
+
     @Resource
     private TagDAO tagDAO;
 
@@ -113,4 +118,27 @@ public class TagServiceImpl implements TagService {
         return effect;
     }
 
+    @Override
+    public void clearUnusedTag() {
+        // 查询
+        List<TagDO> tagList = tagDAO.selectUnusedTag(UN_USED_DAYS);
+        if (tagList.isEmpty()) {
+            log.info("TagService.clearUnusedTag isEmpty");
+            return;
+        }
+        // 删除数据
+        List<Long> tagIdList = tagList.stream()
+                .map(TagDO::getId)
+                .collect(Collectors.toList());
+        int effect = tagDAO.deleteBatchIds(tagIdList);
+        log.info("TagService.clearUnusedTag deleted count: {}, deleted: {}, tags: {}", tagIdList.size(), effect, tagIdList);
+        // 删除缓存
+        List<String> cacheKeys = tagList.stream()
+                .map(TagDO::getType)
+                .distinct()
+                .map(TagCacheKeyDefine.TAG_NAME::format)
+                .collect(Collectors.toList());
+        RedisLists.delete(cacheKeys);
+    }
+
 }
diff --git a/orion-ops-module-infra/orion-ops-module-infra-service/src/main/java/com/orion/ops/module/infra/task/TagAutoClearTask.java b/orion-ops-module-infra/orion-ops-module-infra-service/src/main/java/com/orion/ops/module/infra/task/TagAutoClearTask.java
new file mode 100644
index 00000000..3c3e10c7
--- /dev/null
+++ b/orion-ops-module-infra/orion-ops-module-infra-service/src/main/java/com/orion/ops/module/infra/task/TagAutoClearTask.java
@@ -0,0 +1,58 @@
+package com.orion.ops.module.infra.task;
+
+import com.orion.ops.module.infra.service.TagService;
+import lombok.extern.slf4j.Slf4j;
+import org.redisson.api.RLock;
+import org.redisson.api.RedissonClient;
+import org.springframework.scheduling.annotation.Scheduled;
+import org.springframework.stereotype.Component;
+
+import javax.annotation.Resource;
+
+/**
+ * tag 定时清理任务
+ *
+ * @author Jiahang Li
+ * @version 1.0.0
+ * @since 2024/4/15 23:50
+ */
+@Slf4j
+@Component
+public class TagAutoClearTask {
+
+    /**
+     * 分布式锁名称
+     */
+    private static final String LOCK_KEY = "tag:clear:lock";
+
+    @Resource
+    private RedissonClient redissonClient;
+
+    @Resource
+    private TagService tagService;
+
+    /**
+     * 定时清理未引用的 tag
+     */
+    @Scheduled(cron = "0 0 2 * * ?")
+    public void clear() {
+        log.info("TagAutoClearTask.clear start");
+        // 获取锁
+        RLock lock = redissonClient.getLock(LOCK_KEY);
+        // 未获取到直接返回
+        if (!lock.tryLock()) {
+            log.info("TagAutoClearTask.clear locked end");
+            return;
+        }
+        try {
+            // 清理
+            tagService.clearUnusedTag();
+            log.info("TagAutoClearTask.clear finish");
+        } catch (Exception e) {
+            log.error("TagAutoClearTask.clear error", e);
+        } finally {
+            lock.unlock();
+        }
+    }
+
+}
diff --git a/orion-ops-module-infra/orion-ops-module-infra-service/src/main/resources/mapper/TagMapper.xml b/orion-ops-module-infra/orion-ops-module-infra-service/src/main/resources/mapper/TagMapper.xml
index 4fb39d0b..e28d2562 100644
--- a/orion-ops-module-infra/orion-ops-module-infra-service/src/main/resources/mapper/TagMapper.xml
+++ b/orion-ops-module-infra/orion-ops-module-infra-service/src/main/resources/mapper/TagMapper.xml
@@ -19,4 +19,14 @@
         id, name, type, create_time, update_time, creator, updater, deleted
     </sql>
 
+    <select id="selectUnusedTag" resultMap="BaseResultMap">
+        SELECT t.id, t.type
+        FROM tag t
+        LEFT JOIN tag_rel tr ON t.id = tr.tag_id AND tr.deleted = 0
+        WHERE t.create_time <![CDATA[ < ]]> DATE_SUB(NOW(), INTERVAL #{days} DAY)
+        AND tr.tag_id IS NULL
+        AND t.deleted = 0
+        GROUP BY t.id
+    </select>
+
 </mapper>
diff --git a/orion-ops-ui/src/components/exec/log/panel/index.vue b/orion-ops-ui/src/components/exec/log/panel/index.vue
index d8492938..d86a616b 100644
--- a/orion-ops-ui/src/components/exec/log/panel/index.vue
+++ b/orion-ops-ui/src/components/exec/log/panel/index.vue
@@ -46,7 +46,6 @@
   const logViewRef = ref();
   const currentHostExecId = ref();
   const statusIntervalId = ref();
-  const finishIntervalId = ref();
   const execLog = ref<ExecLogQueryResponse>();
   const appender = ref<ILogAppender>();
 
@@ -60,8 +59,6 @@
       record.status === execStatus.RUNNING) {
       // 注册状态轮询
       statusIntervalId.value = setInterval(fetchTaskStatus, 5000);
-      // 注册完成时间轮询
-      finishIntervalId.value = setInterval(setTaskFinishTime, 1000);
     }
     // 打开日志
     nextTick(() => {
@@ -95,9 +92,8 @@
       if (hostStatus) {
         host.status = hostStatus.status;
         host.startTime = hostStatus.startTime;
-        if (hostStatus.finishTime) {
-          host.finishTime = hostStatus.finishTime;
-        }
+        // 使用时间
+        host.finishTime = host.finishTime || Date.now();
         host.exitStatus = hostStatus.exitStatus;
         host.errorMessage = hostStatus.errorMessage;
       }
@@ -154,8 +150,6 @@
   const clearAllInterval = () => {
     // 关闭状态轮询
     clearInterval(statusIntervalId.value);
-    // 关闭使用时间轮询
-    clearInterval(finishIntervalId.value);
   };
 
   // 加载字典值
diff --git a/orion-ops-ui/src/components/exec/log/panel/log-item.vue b/orion-ops-ui/src/components/exec/log/panel/log-item.vue
index 38fa50e0..64482a0a 100644
--- a/orion-ops-ui/src/components/exec/log/panel/log-item.vue
+++ b/orion-ops-ui/src/components/exec/log/panel/log-item.vue
@@ -23,7 +23,9 @@
           <span class="tag-value">{{ host.exitStatus }}</span>
         </a-tag>
         <!-- 持续时间 -->
-        <a-tag color="arcoblue" title="持续时间">
+        <a-tag v-if="host.startTime"
+               color="arcoblue"
+               title="持续时间">
           <template #icon>
             <icon-loading v-if="host.status === execHostStatus.WAITING || host.status === execHostStatus.RUNNING" />
             <icon-clock-circle v-else />