From 7f7175db5219b51bd2302e9dd4c7c50e6e7c9f99 Mon Sep 17 00:00:00 2001
From: FeRo <85842907+ferrariRoma@users.noreply.github.com>
Date: Thu, 2 Oct 2025 00:47:55 +0900
Subject: [PATCH 1/2] fix: apply list_start_index for numbered_list

---
 packages/notion-types/src/block.ts   | 3 +++
 packages/react-notion-x/src/utils.ts | 5 ++++-
 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/packages/notion-types/src/block.ts b/packages/notion-types/src/block.ts
index ff699677..06628b4a 100644
--- a/packages/notion-types/src/block.ts
+++ b/packages/notion-types/src/block.ts
@@ -193,6 +193,9 @@ export interface BulletedListBlock extends BaseTextBlock {
 
 export interface NumberedListBlock extends BaseTextBlock {
   type: 'numbered_list'
+  format?: BaseTextBlock['format'] & {
+    list_start_index?: number
+  }
 }
 
 export interface HeaderBlock extends BaseTextBlock {
diff --git a/packages/react-notion-x/src/utils.ts b/packages/react-notion-x/src/utils.ts
index c4025727..44386275 100644
--- a/packages/react-notion-x/src/utils.ts
+++ b/packages/react-notion-x/src/utils.ts
@@ -45,7 +45,10 @@ export const getListNumber = (blockId: string, blockMap: BlockMap) => {
     return
   }
 
-  return group.indexOf(blockId) + 1
+  return blockMap[blockId]?.value.type === 'numbered_list' &&
+    blockMap[blockId]?.value.format?.list_start_index
+    ? blockMap[blockId]?.value.format?.list_start_index
+    : group.indexOf(blockId) + 1
 }
 
 export const getListNestingLevel = (

From b457b11e0212526f0e3c739a7cc98095e594d4b7 Mon Sep 17 00:00:00 2001
From: FeRo <85842907+ferrariRoma@users.noreply.github.com>
Date: Thu, 2 Oct 2025 03:05:48 +0900
Subject: [PATCH 2/2] fix: handle zero based index

---
 packages/react-notion-x/src/utils.ts | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/packages/react-notion-x/src/utils.ts b/packages/react-notion-x/src/utils.ts
index 44386275..4358b34c 100644
--- a/packages/react-notion-x/src/utils.ts
+++ b/packages/react-notion-x/src/utils.ts
@@ -45,10 +45,11 @@ export const getListNumber = (blockId: string, blockMap: BlockMap) => {
     return
   }
 
-  return blockMap[blockId]?.value.type === 'numbered_list' &&
-    blockMap[blockId]?.value.format?.list_start_index
-    ? blockMap[blockId]?.value.format?.list_start_index
-    : group.indexOf(blockId) + 1
+  const groupIndex = group.indexOf(blockId) + 1
+  const startIndex = blockMap[blockId]?.value.format?.list_start_index
+  return blockMap[blockId]?.value.type === 'numbered_list'
+    ? (startIndex ?? groupIndex)
+    : groupIndex
 }
 
 export const getListNestingLevel = (