After upgrade 1.6.10 tron-rosetta-api /block curl query not working

[UMANGAWASTHY]

Hello team
i had upadted tron-rosetta from 1.4.0 to 1.6.10. Now i am unable run block api.
Curl ---
curl -X POST --data '{ "network_identifier": { "blockchain": "tron", "network": "Mainnet" }, "block_identifier": { "index":1644001, "hash": "00000000001915e180e90b50e1ca88265cecc33d8582392c3a78170685b7a060" } }' -H 'content-type:application/json;' http://localhost:8080/block
o/p -- nothing return

where as account balance api working fine.
--curl query
curl -X POST --data '{ "network_identifier": { "blockchain": "tron", "network": "Mainnet" }, "account_identifier": { "address": "TJbjRBAKKhNEAHMEqjxRFA6KPBrVLuFtuf" }, "block_identifier": { "index":3158564 } }' -H 'content-type:application/json;' http://loaclhost:8080/account/balance
o/p --
{"block_identifier":{"index":3158564,"hash":"0000000000303224d98e6104e6f3c86640b006bcb03b4627100db12ee83f254d"},"balances":[{"value":"889930","currency":{"symbol":"TRX","decimals":6}}]}