diff --git a/fe/fe-core/src/main/java/org/apache/doris/job/extensions/mtmv/MTMVTask.java b/fe/fe-core/src/main/java/org/apache/doris/job/extensions/mtmv/MTMVTask.java
index 439268fa0b92e1..713ac0f332d546 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/job/extensions/mtmv/MTMVTask.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/job/extensions/mtmv/MTMVTask.java
@@ -66,7 +66,7 @@
 
 public class MTMVTask extends AbstractTask {
     private static final Logger LOG = LogManager.getLogger(MTMVTask.class);
-    public static final Integer DEFAULT_REFRESH_PARTITION_NUM = 1;
+    public static final int DEFAULT_REFRESH_PARTITION_NUM = 1;
 
     public static final ImmutableList<Column> SCHEMA = ImmutableList.of(
             new Column("TaskId", ScalarType.createStringType()),