diff --git a/examples/lightrag_tigergraph_demo.py b/examples/lightrag_tigergraph_demo.py
index a3c44bf6..fa3f2536 100644
--- a/examples/lightrag_tigergraph_demo.py
+++ b/examples/lightrag_tigergraph_demo.py
@@ -1,17 +1,83 @@
+import os
+import asyncio
+import argparse
+import logging
+import logging.config
+import json
+from pathlib import Path
 from lightrag import LightRAG
 from lightrag.llm.openai import gpt_4o_mini_complete, openai_embed
 from lightrag.kg.shared_storage import initialize_pipeline_status
-from lightrag.utils import setup_logger
-import os
-import asyncio
-import json
-from pathlib import Path
+from lightrag.utils import logger, set_verbose_debug
 
 WORKING_DIR = "./tigergraph_test_dir"
 if not os.path.exists(WORKING_DIR):
     os.mkdir(WORKING_DIR)
 
-setup_logger("lightrag", level="INFO")
+
+def configure_logging():
+    """Configure logging for the application"""
+
+    # Reset any existing handlers to ensure clean configuration
+    for logger_name in ["uvicorn", "uvicorn.access", "uvicorn.error", "lightrag"]:
+        logger_instance = logging.getLogger(logger_name)
+        logger_instance.handlers = []
+        logger_instance.filters = []
+
+    # Get log directory path from environment variable or use current directory
+    log_dir = os.getenv("LOG_DIR", os.getcwd())
+    log_file_path = os.path.abspath(
+        os.path.join(log_dir, "lightrag_tigergraph_demo.log")
+    )
+
+    print(f"\nLightRAG TigerGraph demo log file: {log_file_path}\n")
+    os.makedirs(os.path.dirname(log_file_path), exist_ok=True)
+
+    # Get log file max size and backup count from environment variables
+    log_max_bytes = int(os.getenv("LOG_MAX_BYTES", 10485760))  # Default 10MB
+    log_backup_count = int(os.getenv("LOG_BACKUP_COUNT", 5))  # Default 5 backups
+
+    logging.config.dictConfig(
+        {
+            "version": 1,
+            "disable_existing_loggers": False,
+            "formatters": {
+                "default": {
+                    "format": "%(levelname)s: %(message)s",
+                },
+                "detailed": {
+                    "format": "%(asctime)s - %(name)s - %(levelname)s - %(message)s",
+                },
+            },
+            "handlers": {
+                "console": {
+                    "formatter": "default",
+                    "class": "logging.StreamHandler",
+                    "stream": "ext://sys.stderr",
+                },
+                "file": {
+                    "formatter": "detailed",
+                    "class": "logging.handlers.RotatingFileHandler",
+                    "filename": log_file_path,
+                    "maxBytes": log_max_bytes,
+                    "backupCount": log_backup_count,
+                    "encoding": "utf-8",
+                },
+            },
+            "loggers": {
+                "lightrag": {
+                    "handlers": ["console", "file"],
+                    "level": "INFO",
+                    "propagate": False,
+                },
+            },
+        }
+    )
+
+    # Set the logger level to INFO
+    logger.setLevel(logging.INFO)
+    # Enable verbose debug if needed
+    set_verbose_debug(os.getenv("VERBOSE_DEBUG", "false").lower() == "true")
 
 
 def load_json_texts(json_path: str | Path) -> list[str]:
@@ -66,7 +132,7 @@ async def initialize_rag():
     return rag
 
 
-async def test_ingestion():
+async def test_ingestion(json_file=None):
     """Test document ingestion into TigerGraph"""
     print("=" * 60)
     print("Initializing LightRAG with TigerGraph...")
@@ -92,8 +158,8 @@ async def test_ingestion():
         track_id = await rag.ainsert(input=doc, file_paths=f"test_doc_{i}.txt")
         print(f"  ✓ Document inserted with track_id: {track_id}")
 
-    # Test JSON ingestion if JSON file exists
-    json_test_file = Path("test_data.json")
+    # Test JSON ingestion if JSON file is provided or exists
+    json_test_file = Path(json_file) if json_file else Path("test_data.json")
     if json_test_file.exists():
         print("\n" + "=" * 60)
         print("Ingesting JSON file...")
@@ -118,6 +184,7 @@ async def test_ingestion():
         )
         print("  Create a test_data.json file with format:")
         print('  [{"text": "Your text here"}, {"text": "Another text"}]')
+        print("  Or use --json-file parameter to specify a JSON file")
 
     print("\n" + "=" * 60)
     print("Verifying ingestion...")
@@ -159,4 +226,18 @@ async def test_ingestion():
 
 
 if __name__ == "__main__":
-    asyncio.run(test_ingestion())
+    parser = argparse.ArgumentParser(
+        description="LightRAG TigerGraph demo",
+        formatter_class=argparse.ArgumentDefaultsHelpFormatter,
+    )
+    parser.add_argument(
+        "--json-file",
+        type=str,
+        default=None,
+        help='Path to JSON file with texts to ingest (format: [{"text": "..."}, ...]). Defaults to test_data.json if not specified.',
+    )
+    args = parser.parse_args()
+
+    # Configure logging before running the main function
+    configure_logging()
+    asyncio.run(test_ingestion(json_file=args.json_file))