diff --git a/fe/fe-core/src/main/java/org/apache/doris/common/publish/TopicPublisherThread.java b/fe/fe-core/src/main/java/org/apache/doris/common/publish/TopicPublisherThread.java
index db5158e24f5a012..92f561305e033b4 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/common/publish/TopicPublisherThread.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/common/publish/TopicPublisherThread.java
@@ -66,7 +66,7 @@ protected void runAfterCatalogReady() {
             topicPublisher.getTopicInfo(request);
         }
 
-        if (request.getTopicMap().size() == 0) {
+        if (request.getTopicMapSize() == 0) {
             return;
         }