diff --git a/src/main/java/com/geedge/common/config/ScheduledPoolConfig.java b/src/main/java/com/geedge/common/config/ScheduledPoolConfig.java
index d538ca7..3cb0d29 100644
--- a/src/main/java/com/geedge/common/config/ScheduledPoolConfig.java
+++ b/src/main/java/com/geedge/common/config/ScheduledPoolConfig.java
@@ -19,7 +19,7 @@ public class ScheduledPoolConfig implements SchedulingConfigurer {
     @Override
     public void configureTasks(ScheduledTaskRegistrar taskRegistrar) {
         ThreadPoolTaskScheduler scheduler = new ThreadPoolTaskScheduler();
-        scheduler.setPoolSize(16);
+        scheduler.setPoolSize(32);
         scheduler.initialize();
         taskRegistrar.setScheduler(scheduler);
     }
diff --git a/src/main/java/com/geedge/common/util/TsgUtil.java b/src/main/java/com/geedge/common/util/TsgUtil.java
index 3e5b995..9bf9134 100644
--- a/src/main/java/com/geedge/common/util/TsgUtil.java
+++ b/src/main/java/com/geedge/common/util/TsgUtil.java
@@ -57,6 +57,25 @@ public class TsgUtil {
         throw new IllegalArgumentException("failed to get TSG system token.");
     }
 
+    public static JSONObject getObjectItemList(Integer objectId, String objectType) {
+        Stopwatch watch = Stopwatch.createStarted();
+        String response = HttpRequest.get(TSG_URL + "/v1/policy/object/" + objectId + "/item?page_no=1&page_size=1&type=" + objectType)
+                .header(Header.AUTHORIZATION, getToken())
+                .timeout(httpTimeOut)
+                .execute().body();
+        log.info("get tsg-api, cost {} seconds", watch.elapsed(TimeUnit.SECONDS));
+        if (StrUtil.isBlank(response)) {
+            log.error("get {} Object error, response: {}", objectId, response);
+            throw new RuntimeException("get " + objectId + " Object error, response: " + response);
+        }
+        JSONObject jsonObject = JSONUtil.parseObj(response);
+        if (!"200".equals(jsonObject.get("code").toString())) {
+            log.error("get {} Object error, response: {}", objectId, response);
+            throw new RuntimeException("get " + objectId + " Object error, response: " + response);
+        }
+        return jsonObject;
+    }
+
     public static void updateObjectById(Integer id, Map<String, Object> body) {
         Stopwatch watch = Stopwatch.createStarted();
         String response = HttpRequest.put(TSG_URL + "/v1/policy/object/" + id)
diff --git a/src/main/java/com/geedge/scheduler/FqdnScheduler.java b/src/main/java/com/geedge/scheduler/FqdnScheduler.java
index 5e08bcf..c076963 100644
--- a/src/main/java/com/geedge/scheduler/FqdnScheduler.java
+++ b/src/main/java/com/geedge/scheduler/FqdnScheduler.java
@@ -4,6 +4,7 @@ import cn.hutool.core.date.DatePattern;
 import cn.hutool.core.date.DateTime;
 import cn.hutool.core.date.DateUtil;
 import cn.hutool.core.util.BooleanUtil;
+import cn.hutool.core.util.StrUtil;
 import cn.hutool.json.JSONArray;
 import cn.hutool.json.JSONObject;
 import com.geedge.common.constant.TsgObject;
@@ -309,12 +310,49 @@ public class FqdnScheduler {
             return;
         }
         try {
-            DateTime dateTime = DateUtil.offsetSecond(new Date(), offsetSecond).setTimeZone(TimeZone.getTimeZone("UTC"));
-            String datetimeZ = DateUtil.format(dateTime, DatePattern.UTC_PATTERN);
+            DateTime deleteCursor = DateUtil.offsetSecond(new Date(), offsetSecond).setTimeZone(TimeZone.getTimeZone("UTC"));
+            String deleteCursorStr = DateUtil.format(deleteCursor, DatePattern.UTC_PATTERN);
+
+            JSONObject objectItemList = TsgUtil.getObjectItemList(id, "fqdn");
+            Object data = objectItemList.get("data");
+            if (StrUtil.isEmptyIfStr(data)) {
+                log.warn("No item does not need to be deleted");
+                return;
+            }
+            Map<String, Object> dataMap = (Map<String, Object>) data;
+            Object itemsObj = dataMap.get("items");
+            if (StrUtil.isEmptyIfStr(itemsObj)) {
+                log.warn("No item does not need to be deleted");
+                return;
+            }
+            List<Map<String, Object>> itemList = (List<Map<String, Object>>) itemsObj;
+            if (itemList.isEmpty()) {
+                log.warn("No item does not need to be deleted");
+                return;
+            }
+            Map<String, Object> map = itemList.get(0);
+            if (StrUtil.isEmptyIfStr(map)) {
+                log.warn("No item does not need to be deleted");
+                return;
+            }
+            Object itemObj = map.get("string");
+            if (StrUtil.isEmptyIfStr(itemObj)) {
+                log.warn("No item does not need to be deleted");
+                return;
+            }
+            Map<String, Object> itemMap = (Map<String, Object>) itemObj;
+            Object createdTimeObj = itemMap.get("created_time");
+            DateTime latestCreatedDateTime = DateUtil.parse(createdTimeObj.toString());
+            int compare = DateUtil.compare(deleteCursor, latestCreatedDateTime);
+            if (compare > 0) {
+                log.warn("Does not need to be deleted, avoid item to empty");
+                return;
+            }
+
             Map<String, Object> form = Maps.newHashMap();
             form.put(TsgObject.KEY_OBJECT_TYPE, TsgObject.VALUE_OBJECT_TYPE_FQDN);
             form.put(TsgObject.KEY_VSYS_ID, TsgObject.VALUE_VSYS_ID_1);
-            form.put(TsgObject.KEY_CREATED_BEFORE, datetimeZ);
+            form.put(TsgObject.KEY_CREATED_BEFORE, deleteCursorStr);
             TsgUtil.deleteItemOfObjectById(id, form);
         } catch (Exception e) {
             log.error("{}: failed to execute delete task. message: {}", id, e.getMessage());
diff --git a/src/main/java/com/geedge/scheduler/IpScheduler.java b/src/main/java/com/geedge/scheduler/IpScheduler.java
index bd41728..bc5c854 100644
--- a/src/main/java/com/geedge/scheduler/IpScheduler.java
+++ b/src/main/java/com/geedge/scheduler/IpScheduler.java
@@ -512,12 +512,44 @@ public class IpScheduler {
             return;
         }
         try {
-            DateTime dateTime = DateUtil.offsetSecond(new Date(), offsetSecond).setTimeZone(TimeZone.getTimeZone("UTC"));
-            String datetimeZ = DateUtil.format(dateTime, DatePattern.UTC_PATTERN);
+            DateTime deleteCursor = DateUtil.offsetSecond(new Date(), offsetSecond).setTimeZone(TimeZone.getTimeZone("UTC"));
+            String deleteCursorStr = DateUtil.format(deleteCursor, DatePattern.UTC_PATTERN);
+
+            JSONObject objectItemList = TsgUtil.getObjectItemList(id, "ip");
+            Object data = objectItemList.get("data");
+            if (StrUtil.isEmptyIfStr(data)) {
+                log.warn("No item does not need to be deleted");
+                return;
+            }
+            Map<String, Object> dataMap = (Map<String, Object>) data;
+            Object itemsObj = dataMap.get("items");
+            if (StrUtil.isEmptyIfStr(itemsObj) || StrUtil.isBlankIfStr(itemsObj)) {
+                log.warn("No item does not need to be deleted");
+                return;
+            }
+            List<Map<String, Object>> itemList = (List<Map<String, Object>>) itemsObj;
+            if (itemList.isEmpty()) {
+                log.warn("No item does not need to be deleted");
+                return;
+            }
+            Map<String, Object> map = itemList.get(0);
+            Object itemObj = map.get("ip");
+            if (StrUtil.isEmptyIfStr(itemObj)) {
+                log.warn("No item does not need to be deleted");
+                return;
+            }
+            Map<String, Object> itemMap = (Map<String, Object>) itemObj;
+            Object createdTimeObj = itemMap.get("created_time");
+            DateTime latestCreatedDateTime = DateUtil.parse(createdTimeObj.toString());
+            int compare = DateUtil.compare(deleteCursor, latestCreatedDateTime);
+            if (compare > 0) {
+                log.warn("Does not need to be deleted, avoid item to empty");
+                return;
+            }
             Map<String, Object> form = Maps.newHashMap();
             form.put(TsgObject.KEY_OBJECT_TYPE, TsgObject.VALUE_OBJECT_TYPE_IP);
             form.put(TsgObject.KEY_VSYS_ID, TsgObject.VALUE_VSYS_ID_1);
-            form.put(TsgObject.KEY_CREATED_BEFORE, datetimeZ);
+            form.put(TsgObject.KEY_CREATED_BEFORE, deleteCursorStr);
             TsgUtil.deleteItemOfObjectById(id, form);
         } catch (Exception e) {
             log.error("{}: failed to execute delete task. message: {}", id, e.getMessage());