diff --git a/fe/be-java-extensions/max-compute-scanner/src/main/java/org/apache/doris/maxcompute/MaxComputeJniScanner.java b/fe/be-java-extensions/max-compute-scanner/src/main/java/org/apache/doris/maxcompute/MaxComputeJniScanner.java
index 515ef8f401b0406..113ed46368b5049 100644
--- a/fe/be-java-extensions/max-compute-scanner/src/main/java/org/apache/doris/maxcompute/MaxComputeJniScanner.java
+++ b/fe/be-java-extensions/max-compute-scanner/src/main/java/org/apache/doris/maxcompute/MaxComputeJniScanner.java
@@ -301,6 +301,7 @@ private int readVectors(int expectedRows) throws IOException {
                     columnValue.reset(column);
                     batchRows = column.getValueCount();
                     for (int j = 0; j < batchRows; j++) {
+                        columnValue.setColumnIdx(j);
                         appendData(readColumnId, columnValue);
                     }
                 }