diff --git a/fe/fe-core/src/main/java/org/apache/doris/cloud/transaction/CloudGlobalTransactionMgr.java b/fe/fe-core/src/main/java/org/apache/doris/cloud/transaction/CloudGlobalTransactionMgr.java
index f51454ad269c51..4e1117ec93db83 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/cloud/transaction/CloudGlobalTransactionMgr.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/cloud/transaction/CloudGlobalTransactionMgr.java
@@ -782,8 +782,8 @@ private void getDeleteBitmapUpdateLock(Map<Long, Set<Long>> tableToParttions, lo
                     LOG.warn("ignore get delete bitmap lock exception, transactionId={}, retryTime={}",
                             transactionId, retryTime, e);
                 }
-                // sleep random millis [20, 200] ms, avoid txn conflict
-                int randomMillis = 20 + (int) (Math.random() * (200 - 20));
+                // sleep random millis [20, 300] ms, avoid txn conflict
+                int randomMillis = 20 + (int) (Math.random() * (300 - 20));
                 if (LOG.isDebugEnabled()) {
                     LOG.debug("randomMillis:{}", randomMillis);
                 }
@@ -855,6 +855,7 @@ private void sendCalcDeleteBitmaptask(long dbId, long transactionId,
             // not check return value, because the add will success
             AgentTaskQueue.addTask(task);
             batchTask.addTask(task);
+            LOG.info("send calculate delete bitmap task to be {}, txn_id {}", entry.getKey(), transactionId);
         }
         AgentTaskExecutor.submit(batchTask);