diff --git a/be/src/pipeline/exec/scan_operator.h b/be/src/pipeline/exec/scan_operator.h
index 284f8afb36..602c1ce4ea 100644
--- a/be/src/pipeline/exec/scan_operator.h
+++ b/be/src/pipeline/exec/scan_operator.h
@@ -238,7 +238,7 @@ protected:
     }
     virtual bool _should_push_down_common_expr() { return false; }
 
-    virtual bool _storage_no_merge() { return true; }
+    virtual bool _storage_no_merge() { return false; }
     virtual bool _is_key_column(const std::string& col_name) { return false; }
     virtual vectorized::VScanNode::PushDownType _should_push_down_bloom_filter() {
         return vectorized::VScanNode::PushDownType::UNACCEPTABLE;