Why is the database 0data?

[vvd-4-w]

INFO:nano-vectordb:Init {'embedding_dim': 384, 'metric': 'cosine', 'storage_file': '/public/home/2024/MiniRAG-main/dataset/LiHua-World/vdb_entities.json'} 0 data
INFO:nano-vectordb:Init {'embedding_dim': 384, 'metric': 'cosine', 'storage_file': '/public/home/2024/MiniRAG-main/dataset/LiHua-World/vdb_entities_name.json'} 0 data
INFO:nano-vectordb:Init {'embedding_dim': 384, 'metric': 'cosine', 'storage_file': '/public/home/2024/MiniRAG-main/dataset/LiHua-World/vdb_relationships.json'} 0 data
INFO:nano-vectordb:Init {'embedding_dim': 384, 'metric': 'cosine', 'storage_file': '/public/home/2024/MiniRAG-main/dataset/LiHua-World/vdb_chunks.json'} 0 data
INFO:minirag:Loaded document status storage with 1 records