diff --git a/src/storage/blocksstable/encoding/ob_micro_block_encoder.cpp b/src/storage/blocksstable/encoding/ob_micro_block_encoder.cpp
index 04c68c74d..29618c12c 100644
--- a/src/storage/blocksstable/encoding/ob_micro_block_encoder.cpp
+++ b/src/storage/blocksstable/encoding/ob_micro_block_encoder.cpp
@@ -349,7 +349,7 @@ void ObMicroBlockEncoder::update_estimate_size_limit(const ObMicroBlockEncodingC
                                   ? (2 * ctx.micro_block_size_ - header_size_)
                                   : (2 * ctx.micro_block_size_);
 //TODO huronghui.hrh@oceanbase.com use 4.1.0.0 for version judgment
-  if(ctx.major_working_cluster_version_ > CLUSTER_VERSION_4_0_0_0 ) {
+  if(ctx.major_working_cluster_version_ >= CLUSTER_VERSION_4_1_0_0 ) {
     data_size_limit = MAX(data_size_limit, DEFAULT_MICRO_MAX_SIZE);
   }
   estimate_size_limit_ = std::min(data_size_limit * expand_pct_ / 100, ctx.macro_block_size_);
diff --git a/src/storage/blocksstable/ob_index_block_builder.cpp b/src/storage/blocksstable/ob_index_block_builder.cpp
index 66286f924..24a0a2d1c 100644
--- a/src/storage/blocksstable/ob_index_block_builder.cpp
+++ b/src/storage/blocksstable/ob_index_block_builder.cpp
@@ -838,6 +838,7 @@ void ObSSTableIndexBuilder::clean_status()
   // release memory to avoid occupying too much if retry frequently
   self_allocator_.reset();
 }
+
 int ObSSTableIndexBuilder::close(const int64_t column_cnt, ObSSTableMergeRes &res)
 {
   int ret = OB_SUCCESS;
@@ -861,7 +862,8 @@ int ObSSTableIndexBuilder::close(const int64_t column_cnt, ObSSTableMergeRes &re
     STORAGE_LOG(DEBUG, "sstable has no data", K(ret));
   } else if (OB_FAIL(sort_roots())) {
     STORAGE_LOG(WARN, "fail to sort roots", K(ret));
-  } else { // TODO GET_MIN_CLUSTER_VERSION() >= CLUSTER_VERSION_4_0_0_0
+  } else if (!index_store_desc_.is_major_merge()
+      || index_store_desc_.major_working_cluster_version_ >= CLUSTER_VERSION_4_1_0_0) {
     const bool is_single_block = check_single_block();
     if (is_single_block) {
       switch (optimization_mode_) {
@@ -885,6 +887,9 @@ int ObSSTableIndexBuilder::close(const int64_t column_cnt, ObSSTableMergeRes &re
           break;
       }
     }
+  } else {
+    res.nested_offset_ = 0;
+    res.nested_size_ = OB_DEFAULT_MACRO_BLOCK_SIZE;
   }
 
   if (OB_FAIL(ret) || roots_.empty() || is_closed_) {
diff --git a/src/storage/blocksstable/ob_macro_block_writer.cpp b/src/storage/blocksstable/ob_macro_block_writer.cpp
index 1c4cfa623..c8f2f6ee0 100644
--- a/src/storage/blocksstable/ob_macro_block_writer.cpp
+++ b/src/storage/blocksstable/ob_macro_block_writer.cpp
@@ -472,7 +472,7 @@ int ObMacroBlockWriter::open(
       } else {
         //TODO huronghui.hrh@oceanbase.com use 4.1.0.0 for version judgment
         const bool is_use_adaptive = !data_store_desc_->is_major_merge()
-         || data_store_desc_->major_working_cluster_version_ > CLUSTER_VERSION_4_0_0_0;
+         || data_store_desc_->major_working_cluster_version_ >= CLUSTER_VERSION_4_1_0_0;
         if (OB_FAIL(micro_block_adaptive_splitter_.init(data_store_desc.macro_store_size_, is_use_adaptive))) {
           STORAGE_LOG(WARN, "Failed to init micro block adaptive split", K(ret), K(data_store_desc.macro_store_size_));
         }