diff --git a/src/components/abciapp/src/abci/server/callback/mod.rs b/src/components/abciapp/src/abci/server/callback/mod.rs
index b6a8eee17..151abbb07 100644
--- a/src/components/abciapp/src/abci/server/callback/mod.rs
+++ b/src/components/abciapp/src/abci/server/callback/mod.rs
@@ -22,10 +22,11 @@ use {
         ResponseEndBlock, ResponseInfo, ResponseInitChain, ResponseQuery,
     },
     chrono::Local,
+    chrono::Utc,
     config::abci::global_cfg::CFG,
     enterprise_web3::{
-        ALLOWANCES, BALANCE_MAP, BLOCK, CODE_MAP, NONCE_MAP, RECEIPTS,
-        PG_CLIENT, STATE_UPDATE_LIST, TOTAL_ISSUANCE, TXS, WEB3_SERVICE_START_HEIGHT,
+        ALLOWANCES, BALANCE_MAP, BLOCK, CODE_MAP, NONCE_MAP, PG_CLIENT, RECEIPTS,
+        STATE_UPDATE_LIST, TOTAL_ISSUANCE, TXS, WEB3_SERVICE_START_HEIGHT,
     },
     fp_storage::hash::{Sha256, StorageHasher},
     fp_storage::BorrowMut,
@@ -659,6 +660,8 @@ pub fn commit(s: &mut ABCISubmissionServer, req: &RequestCommit) -> ResponseComm
     info!(target: "abcitime", "catch_up height:{}, catch_up:{}-commit:{}={}", td_height, catch_up, commit, catch_up - commit);
 
     if CFG.enable_enterprise_web3 && td_height as u64 > *WEB3_SERVICE_START_HEIGHT {
+        let begin_save_db = Utc::now().timestamp();
+        info!(target: "save_db_time", "begin_save_db:{}", begin_save_db);
         let height = td_height as u32;
         let setter = PG_CLIENT.lock().expect("PG_CLIENT error");
 
@@ -767,6 +770,8 @@ pub fn commit(s: &mut ABCISubmissionServer, req: &RequestCommit) -> ResponseComm
                 .set_height(height)
                 .map_err(|e| eg!("set redis error: {:?}", e)));
         }
+        let end_save_db = Utc::now().timestamp();
+        info!(target: "save_db_time", "end_save_db:{} - begin_save_db:{} = {}", begin_save_db, end_save_db, end_save_db - begin_save_db);
     }
 
     r
diff --git a/src/components/abciapp/src/api/query_server/query_api/mod.rs b/src/components/abciapp/src/api/query_server/query_api/mod.rs
index e90d15ae2..496ca09a3 100644
--- a/src/components/abciapp/src/api/query_server/query_api/mod.rs
+++ b/src/components/abciapp/src/api/query_server/query_api/mod.rs
@@ -651,7 +651,7 @@ impl QueryApi {
         });
 
         for (host, port) in addrs.iter() {
-            hdr = hdr.bind(&format!("{host}:{port}")).c(d!())?
+            hdr = hdr.bind(format!("{host}:{port}")).c(d!())?
         }
 
         hdr.run();
diff --git a/src/components/contracts/modules/ethereum/src/impls.rs b/src/components/contracts/modules/ethereum/src/impls.rs
index f28cde195..15b8b6991 100644
--- a/src/components/contracts/modules/ethereum/src/impls.rs
+++ b/src/components/contracts/modules/ethereum/src/impls.rs
@@ -54,9 +54,8 @@ impl<C: Config> App<C> {
         let mut txn_signers = ctx.eth_cache.current.write();
         match txn_signers.get(&transaction_hash) {
             Some(signer) => *signer,
-            None => Self::recover_signer(transaction).map(|signer| {
+            None => Self::recover_signer(transaction).inspect(|&signer| {
                 txn_signers.insert(transaction_hash, Some(signer));
-                signer
             }),
         }
     }
diff --git a/src/ledger/src/store/mod.rs b/src/ledger/src/store/mod.rs
index e739c90d9..c44ae986f 100644
--- a/src/ledger/src/store/mod.rs
+++ b/src/ledger/src/store/mod.rs
@@ -120,10 +120,9 @@ impl LedgerState {
             .check_txn_effects(&txe)
             .c(d!())
             .and_then(|_| block.add_txn_effect(txe).c(d!()))
-            .map(|tmpid| {
+            .inspect(|tmpid| {
                 // NOTE: set at the last position
                 block.staking_simulator.coinbase_check_and_pay(&tx);
-                tmpid
             })
     }