diff --git a/be/src/vec/olap/block_reader.cpp b/be/src/vec/olap/block_reader.cpp
index ab187367f9..abef78014b 100644
--- a/be/src/vec/olap/block_reader.cpp
+++ b/be/src/vec/olap/block_reader.cpp
@@ -106,8 +106,14 @@ void BlockReader::_init_agg_state(const ReaderParams& read_params) {
 Status BlockReader::init(const ReaderParams& read_params) {
     TabletReader::init(read_params);
 
-    auto return_column_size =
-            read_params.origin_return_columns->size() - (_sequence_col_idx != -1 ? 1 : 0);
+    int32_t return_column_size = 0;
+    // read sequence column if not reader_query
+    if (read_params.reader_type != ReaderType::READER_QUERY) {
+        return_column_size = read_params.origin_return_columns->size();
+    } else {
+        return_column_size =
+                read_params.origin_return_columns->size() - (_sequence_col_idx != -1 ? 1 : 0);
+    }
     _return_columns_loc.resize(read_params.return_columns.size());
     for (int i = 0; i < return_column_size; ++i) {
         auto cid = read_params.origin_return_columns->at(i);