diff --git a/kafka-manager-dao/src/main/java/com/xiaojukeji/kafka/manager/dao/gateway/impl/AppDaoImpl.java b/kafka-manager-dao/src/main/java/com/xiaojukeji/kafka/manager/dao/gateway/impl/AppDaoImpl.java
index 62475b9b..c14367fc 100644
--- a/kafka-manager-dao/src/main/java/com/xiaojukeji/kafka/manager/dao/gateway/impl/AppDaoImpl.java
+++ b/kafka-manager-dao/src/main/java/com/xiaojukeji/kafka/manager/dao/gateway/impl/AppDaoImpl.java
@@ -78,13 +78,14 @@ public class AppDaoImpl implements AppDao {
      * 更新APP缓存
      */
     private synchronized void updateTopicCache(List<AppDO> doList, long timestamp) {
+        if (APP_CACHE_LATEST_UPDATE_TIME == Constant.START_TIMESTAMP) {
+            APP_MAP.clear();
+        }
+
         if (doList == null || doList.isEmpty() || APP_CACHE_LATEST_UPDATE_TIME >= timestamp) {
             // 本次无数据更新, 或者本次更新过时 时, 忽略本次更新
             return;
         }
-        if (APP_CACHE_LATEST_UPDATE_TIME == Constant.START_TIMESTAMP) {
-            APP_MAP.clear();
-        }
 
         for (AppDO elem: doList) {
             APP_MAP.put(elem.getAppId(), elem);
diff --git a/kafka-manager-dao/src/main/java/com/xiaojukeji/kafka/manager/dao/gateway/impl/AuthorityDaoImpl.java b/kafka-manager-dao/src/main/java/com/xiaojukeji/kafka/manager/dao/gateway/impl/AuthorityDaoImpl.java
index 1b5df873..c7bac9e0 100644
--- a/kafka-manager-dao/src/main/java/com/xiaojukeji/kafka/manager/dao/gateway/impl/AuthorityDaoImpl.java
+++ b/kafka-manager-dao/src/main/java/com/xiaojukeji/kafka/manager/dao/gateway/impl/AuthorityDaoImpl.java
@@ -93,7 +93,7 @@ public class AuthorityDaoImpl implements AuthorityDao {
 
 
     private void updateAuthorityCache() {
-        Long timestamp = System.currentTimeMillis();
+        long timestamp = System.currentTimeMillis();
 
         if (timestamp + 1000 <= AUTHORITY_CACHE_LATEST_UPDATE_TIME) {
             // 近一秒内的请求不走db
@@ -109,13 +109,14 @@ public class AuthorityDaoImpl implements AuthorityDao {
      * 更新Topic缓存
      */
     private synchronized void updateAuthorityCache(List<AuthorityDO> doList, Long timestamp) {
+        if (AUTHORITY_CACHE_LATEST_UPDATE_TIME == Constant.START_TIMESTAMP) {
+            AUTHORITY_MAP.clear();
+        }
+
         if (doList == null || doList.isEmpty() || AUTHORITY_CACHE_LATEST_UPDATE_TIME >= timestamp) {
             // 本次无数据更新, 或者本次更新过时 时, 忽略本次更新
             return;
         }
-        if (AUTHORITY_CACHE_LATEST_UPDATE_TIME == Constant.START_TIMESTAMP) {
-            AUTHORITY_MAP.clear();
-        }
 
         for (AuthorityDO elem: doList) {
             Map<Long, Map<String, AuthorityDO>> doMap =
diff --git a/kafka-manager-dao/src/main/java/com/xiaojukeji/kafka/manager/dao/impl/TopicDaoImpl.java b/kafka-manager-dao/src/main/java/com/xiaojukeji/kafka/manager/dao/impl/TopicDaoImpl.java
index 3c1ba335..58a989c6 100644
--- a/kafka-manager-dao/src/main/java/com/xiaojukeji/kafka/manager/dao/impl/TopicDaoImpl.java
+++ b/kafka-manager-dao/src/main/java/com/xiaojukeji/kafka/manager/dao/impl/TopicDaoImpl.java
@@ -92,7 +92,7 @@ public class TopicDaoImpl implements TopicDao {
     }
 
     private void updateTopicCache() {
-        Long timestamp = System.currentTimeMillis();
+        long timestamp = System.currentTimeMillis();
 
         if (timestamp + 1000 <= TOPIC_CACHE_LATEST_UPDATE_TIME) {
             // 近一秒内的请求不走db
@@ -108,13 +108,14 @@ public class TopicDaoImpl implements TopicDao {
      * 更新Topic缓存
      */
     private synchronized void updateTopicCache(List<TopicDO> doList, Long timestamp) {
+        if (TOPIC_CACHE_LATEST_UPDATE_TIME == Constant.START_TIMESTAMP) {
+            TOPIC_MAP.clear();
+        }
+
         if (doList == null || doList.isEmpty() || TOPIC_CACHE_LATEST_UPDATE_TIME >= timestamp) {
             // 本次无数据更新, 或者本次更新过时 时, 忽略本次更新
             return;
         }
-        if (TOPIC_CACHE_LATEST_UPDATE_TIME == Constant.START_TIMESTAMP) {
-            TOPIC_MAP.clear();
-        }
 
         for (TopicDO elem: doList) {
             Map<String, TopicDO> doMap = TOPIC_MAP.getOrDefault(elem.getClusterId(), new ConcurrentHashMap<>());