diff --git a/README.md b/README.md
index 18d4210..3ca00c5 100644
--- a/README.md
+++ b/README.md
@@ -132,7 +132,7 @@ You can customize the processing with additional optional arguments:
 --max-pages-per-node    Max pages per node (default: 10)
 --max-tokens-per-node   Max tokens per node (default: 20000)
 --if-add-node-id        Add node ID (yes/no, default: yes)
---if-add-node-summary   Add node summary (yes/no, default: no)
+--if-add-node-summary   Add node summary (yes/no, default: yes)
 --if-add-doc-description Add doc description (yes/no, default: yes)
 ```
 </details>
diff --git a/pageindex/config.yaml b/pageindex/config.yaml
index 2ec1618..fd73e3a 100644
--- a/pageindex/config.yaml
+++ b/pageindex/config.yaml
@@ -3,6 +3,6 @@ toc_check_page_num: 20
 max_page_num_each_node: 10
 max_token_num_each_node: 20000
 if_add_node_id: "yes"
-if_add_node_summary: "no"
+if_add_node_summary: "yes"
 if_add_doc_description: "no"
 if_add_node_text: "no"
\ No newline at end of file
diff --git a/run_pageindex.py b/run_pageindex.py
index 318a483..dc8096c 100644
--- a/run_pageindex.py
+++ b/run_pageindex.py
@@ -21,7 +21,7 @@ if __name__ == "__main__":
 
     parser.add_argument('--if-add-node-id', type=str, default='yes',
                       help='Whether to add node id to the node')
-    parser.add_argument('--if-add-node-summary', type=str, default='no',
+    parser.add_argument('--if-add-node-summary', type=str, default='yes',
                       help='Whether to add summary to the node')
     parser.add_argument('--if-add-doc-description', type=str, default='no',
                       help='Whether to add doc description to the doc')