diff --git a/be/src/runtime/collection_value.cpp b/be/src/runtime/collection_value.cpp
index fb9de9635c..345fc5c329 100644
--- a/be/src/runtime/collection_value.cpp
+++ b/be/src/runtime/collection_value.cpp
@@ -184,6 +184,7 @@ struct ArrayIteratorFunctionsForString : public GenericArrayIteratorFunctions<ty
         string->ptr = (convert_ptrs ? convert_to<char*>(offset) : copied_string);
     }
     static void deserialize(void* item, const char* tuple_data, const TypeDescriptor& type_desc) {
+        DCHECK((item != nullptr) && (tuple_data != nullptr)) << "item or tuple_data is nullptr";
         auto* string_value = static_cast<CppType*>(item);
         if (string_value->len) {
             int64_t offset = convert_to<int64_t>(string_value->ptr);
diff --git a/be/src/runtime/row_batch.cpp b/be/src/runtime/row_batch.cpp
index 9c8ac6d3aa..79cfe1a946 100644
--- a/be/src/runtime/row_batch.cpp
+++ b/be/src/runtime/row_batch.cpp
@@ -172,6 +172,9 @@ RowBatch::RowBatch(const RowDescriptor& row_desc, const PRowBatch& input_batch)
             // copy collection slots
             for (auto slot_collection : desc->collection_slots()) {
                 DCHECK(slot_collection->type().is_collection_type());
+                if (tuple->is_null(slot_collection->null_indicator_offset())) {
+                    continue;
+                }
 
                 CollectionValue* array_val =
                         tuple->get_collection_slot(slot_collection->tuple_offset());