[node_info] chain_hash is incorrect

[gpBlockchain]

chain_hash alway return 0x0000000000000000000000000000000000000000000000000000000000000000

curl --location 'http://127.0.0.1:8229' --header 'Content-Type: application/json' --data '{ 
    "id": 42,
    "jsonrpc": "2.0",
    "method": "node_info","params": [{}]
}'
{"jsonrpc":"2.0","result":{"version":"0.1.0","commit_hash":"e44594f","public_key":"035ea314643a3111d30ff28c96d5530d36591ee5061cae5891a733ac5d59c14105","node_name":null,"peer_id":"Qmbos8NPRognrZpxa1ReJdT8wNpJHWoYhrxEWHeLqq6BKu","addresses":["/ip4/127.0.0.1/tcp/8230/p2p/Qmbos8NPRognrZpxa1ReJdT8wNpJHWoYhrxEWHeLqq6BKu"],"chain_hash":"0x0000000000000000000000000000000000000000000000000000000000000000","open_channel_auto_accept_min_ckb_funding_amount":"0x3c5986200","auto_accept_channel_ckb_funding_amount":"0x1718c7e00","tlc_locktime_expiry_delta":"0x15180","tlc_min_value":"0x0","tlc_max_value":"0x0","tlc_fee_proportional_millionths":"0x3e8","channel_count":"0x0","pending_channel_count":"0x0","peers_count":"0x0","network_sync_status":"Running","udt_cfg_infos":[{"name":"RUSD","script":{"code_hash":"0x1142755a044bf2ee358cba9f2da187ce928c91cd4dc8692ded0337efa677d21a","hash_type":"type","args":"0x878fcc6f1f08d48e87bb1c3b3d5083f23f8a39c5d5c764f253b55b998526439b"},"auto_accept_amount":"0x3b9aca00","cell_deps":[{"dep_type":"code","tx_hash":"0xed7d65b9ad3d99657e37c4285d585fea8a5fcaf58165d54dacf90243f911548b","index":"0x0"}]}]},"id":42}%