diff --git a/app/models/ckb_sync/new_node_data_processor.rb b/app/models/ckb_sync/new_node_data_processor.rb
index 2b1418899..c97db0211 100644
--- a/app/models/ckb_sync/new_node_data_processor.rb
+++ b/app/models/ckb_sync/new_node_data_processor.rb
@@ -1267,7 +1267,7 @@ def build_ckb_transactions!(node_block, local_block, inputs, outputs, outputs_da
       # locate correct record according to tx_hash
       binary_hashes = CkbUtils.hexes_to_bins_sql(hashes)
       pending_txs = CkbTransaction.where("tx_hash IN (#{binary_hashes})").where(tx_status: :pending).pluck(
-        :tx_hash, :created_at
+        :tx_hash, :confirmation_time
       )
       CkbTransaction.where("tx_hash IN (#{binary_hashes})").update_all tx_status: "committed"
 
@@ -1283,7 +1283,7 @@ def build_ckb_transactions!(node_block, local_block, inputs, outputs, outputs_da
           end.map do |tx|
             {
               id: tx["id"], tx_status: :committed,
-              confirmation_time: (tx["block_timestamp"].to_i / 1000) - hash_to_pool_times[tx["tx_hash"].tr("\\", "0")].to_i
+              confirmation_time: (tx["block_timestamp"].to_i - hash_to_pool_times[tx["tx_hash"].tr("\\", "0")].to_i) / 1000
             }
           end
         CkbTransaction.upsert_all(confirmation_time_attrs, update_only: [:confirmation_time],