diff --git a/java/tsfile/src/main/java/org/apache/tsfile/read/common/block/column/IntColumnBuilder.java b/java/tsfile/src/main/java/org/apache/tsfile/read/common/block/column/IntColumnBuilder.java
index 742e17767..1466c4812 100644
--- a/java/tsfile/src/main/java/org/apache/tsfile/read/common/block/column/IntColumnBuilder.java
+++ b/java/tsfile/src/main/java/org/apache/tsfile/read/common/block/column/IntColumnBuilder.java
@@ -145,6 +145,10 @@ public TSDataType getDataType() {
     return dataType;
   }
 
+  public void modifyDataType(TSDataType dataType) {
+    this.dataType = dataType;
+  }
+
   @Override
   public long getRetainedSizeInBytes() {
     return retainedSizeInBytes;