diff --git a/examples/lightrag_api_ollama_demo.py b/examples/lightrag_api_ollama_demo.py
index 634264d3..079e9935 100644
--- a/examples/lightrag_api_ollama_demo.py
+++ b/examples/lightrag_api_ollama_demo.py
@@ -158,7 +158,7 @@ if __name__ == "__main__":
 # curl -X POST "http://127.0.0.1:8020/insert" -H "Content-Type: application/json" -d '{"text": "your text here"}'
 
 # 3. Insert file:
-# curl -X POST "http://127.0.0.1:8020/insert_file" -H "Content-Type: application/json" -d '{"file_path": "path/to/your/file.txt"}'
+# curl -X POST "http://127.0.0.1:8020/insert_file" -H "Content-Type: multipart/form-data" -F "file=@path/to/your/file.txt"
 
 # 4. Health check:
 # curl -X GET "http://127.0.0.1:8020/health"
diff --git a/examples/lightrag_api_openai_compatible_demo.py b/examples/lightrag_api_openai_compatible_demo.py
index e2d63e41..68ccfe95 100644
--- a/examples/lightrag_api_openai_compatible_demo.py
+++ b/examples/lightrag_api_openai_compatible_demo.py
@@ -176,7 +176,7 @@ if __name__ == "__main__":
 # curl -X POST "http://127.0.0.1:8020/insert" -H "Content-Type: application/json" -d '{"text": "your text here"}'
 
 # 3. Insert file:
-# curl -X POST "http://127.0.0.1:8020/insert_file" -H "Content-Type: application/json" -d '{"file_path": "path/to/your/file.txt"}'
+# curl -X POST "http://127.0.0.1:8020/insert_file" -H "Content-Type: multipart/form-data" -F "file=@path/to/your/file.txt"
 
 # 4. Health check:
 # curl -X GET "http://127.0.0.1:8020/health"
diff --git a/examples/lightrag_api_oracle_demo.py b/examples/lightrag_api_oracle_demo.py
index 602ca900..6162a300 100644
--- a/examples/lightrag_api_oracle_demo.py
+++ b/examples/lightrag_api_oracle_demo.py
@@ -269,7 +269,8 @@ if __name__ == "__main__":
 # curl -X POST "http://127.0.0.1:8020/insert" -H "Content-Type: application/json" -d '{"text": "your text here"}'
 
 # 3. Insert file:
-# curl -X POST "http://127.0.0.1:8020/insert_file" -H "Content-Type: application/json" -d '{"file_path": "path/to/your/file.txt"}'
+# curl -X POST "http://127.0.0.1:8020/insert_file" -H "Content-Type: multipart/form-data" -F "file=@path/to/your/file.txt"
+
 
 # 4. Health check:
 # curl -X GET "http://127.0.0.1:8020/health"