diff --git a/explorer/src/service/v1/block.rs b/explorer/src/service/v1/block.rs
index 230b9d0..21dd112 100644
--- a/explorer/src/service/v1/block.rs
+++ b/explorer/src/service/v1/block.rs
@@ -6,7 +6,7 @@ use poem_openapi::param::Query;
 use poem_openapi::{param::Path, payload::Json, ApiResponse, Object};
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
-use sqlx::types::chrono::NaiveDateTime;
+use sqlx::types::chrono::DateTime;
 use sqlx::{Error, Row};
 use std::ops::Add;
 
@@ -285,13 +285,13 @@ pub async fn get_blocks(
     if let Some(start_time) = start_time.0 {
         params.push(format!(
             " time >= '{}' ",
-            NaiveDateTime::from_timestamp_opt(start_time, 0).unwrap()
+            DateTime::from_timestamp(start_time, 0).unwrap()
         ));
     }
     if let Some(end_time) = end_time.0 {
         params.push(format!(
             " time <= '{}' ",
-            NaiveDateTime::from_timestamp_opt(end_time, 0).unwrap()
+            DateTime::from_timestamp(end_time, 0).unwrap()
         ));
     }
     let page = page.0.unwrap_or(1);
diff --git a/explorer/src/service/v1/chain.rs b/explorer/src/service/v1/chain.rs
index fdc004c..cce1434 100644
--- a/explorer/src/service/v1/chain.rs
+++ b/explorer/src/service/v1/chain.rs
@@ -217,12 +217,12 @@ pub async fn statistics(api: &Api, ty: Query<Option<i32>>) -> Result<ChainStatis
         format!(
             "SELECT COUNT(*) as cnt FROM transaction WHERE ty={} AND timestamp>={}",
             ty,
-            start_time.timestamp()
+            start_time.and_utc().timestamp()
         )
     } else {
         format!(
             "SELECT COUNT(*) as cnt FROM transaction WHERE timestamp>={}",
-            start_time.timestamp()
+            start_time.and_utc().timestamp()
         )
     };
     let row = sqlx::query(sql_str.as_str()).fetch_one(&mut conn).await?;
diff --git a/explorer/src/service/v1/price.rs b/explorer/src/service/v1/price.rs
index a4882d9..8b67fd6 100644
--- a/explorer/src/service/v1/price.rs
+++ b/explorer/src/service/v1/price.rs
@@ -1,6 +1,5 @@
 use crate::service::api::Api;
 use anyhow::Result;
-use log::error;
 use poem_openapi::param::{Path, Query};
 use poem_openapi::types::Type;
 use poem_openapi::{payload::Json, ApiResponse, Object};
@@ -114,8 +113,7 @@ pub async fn simple_price(
         ids.0, vs_currencies.0
     );
     let resp1 = reqwest::get(url).await;
-    if let Err(e) = resp1 {
-        error!("Get FRA price: {}", e.to_string());
+    if resp1.is_err() {
         let fra_price = get_fra_price(api).await?;
         return Ok(SimplePriceResponse::Ok(Json(SimplePriceResult {
             code: 200,
@@ -125,8 +123,7 @@ pub async fn simple_price(
     }
 
     let resp2 = resp1?.json::<SimplePrice>().await;
-    if let Err(e) = resp2 {
-        error!("Parse FRA price: {}", e.to_string());
+    if resp2.is_err() {
         let fra_price = get_fra_price(api).await?;
         return Ok(SimplePriceResponse::Ok(Json(SimplePriceResult {
             code: 200,
@@ -172,8 +169,7 @@ pub async fn market_chart(
         url = format!("https://api.coingecko.com/api/v3/coins/{}/market_chart?vs_currency={}&days={}&interval={}", id.0, vs_currency.0, days.0, itv);
     }
     let resp1 = reqwest::get(url).await;
-    if let Err(e) = resp1 {
-        error!("Get FRA market error: {:?}", e);
+    if resp1.is_err() {
         let fmc = get_fra_market(api).await?;
         return Ok(MarketChartResponse::Ok(Json(MarketChartResult {
             code: 200,
@@ -182,8 +178,7 @@ pub async fn market_chart(
         })));
     }
     let resp2 = resp1?.json::<FraMarketChart>().await;
-    if let Err(e) = resp2 {
-        error!("Parse FRA market cap error: {:?}", e);
+    if resp2.is_err() {
         let fmc = get_fra_market(api).await?;
         return Ok(MarketChartResponse::Ok(Json(MarketChartResult {
             code: 200,
diff --git a/explorer/src/service/v1/validator.rs b/explorer/src/service/v1/validator.rs
index 2ee3153..7d2002a 100644
--- a/explorer/src/service/v1/validator.rs
+++ b/explorer/src/service/v1/validator.rs
@@ -7,7 +7,7 @@ use poem_openapi::param::{Path, Query};
 use poem_openapi::{payload::Json, ApiResponse, Object};
 use serde::{Deserialize, Serialize};
 use serde_json::Value;
-use sqlx::types::chrono::{Local, NaiveDateTime};
+use sqlx::types::chrono::{DateTime, Local};
 use sqlx::Row;
 
 #[derive(ApiResponse)]
@@ -465,6 +465,7 @@ pub async fn validator_signed_count(
         .date_naive()
         .and_hms_opt(0, 0, 0)
         .unwrap()
+        .and_utc()
         .timestamp()
         - (page - 1) * page_size * day_secs;
 
@@ -472,8 +473,8 @@ pub async fn validator_signed_count(
     for i in 0..page_size {
         let start_secs = nt - i * day_secs;
         let end_secs = nt - i * day_secs + day_secs;
-        let start_time = NaiveDateTime::from_timestamp_opt(start_secs, 0).unwrap();
-        let end_time = NaiveDateTime::from_timestamp_opt(end_secs, 0).unwrap();
+        let start_time = DateTime::from_timestamp(start_secs, 0).unwrap();
+        let end_time = DateTime::from_timestamp(end_secs, 0).unwrap();
 
         let sql_block_cnt = format!(
             "SELECT count(*) as cnt FROM block WHERE time>='{start_time}' AND time<'{end_time}'"
diff --git a/explorer/src/service/v2/other.rs b/explorer/src/service/v2/other.rs
index 51783b5..7679757 100644
--- a/explorer/src/service/v2/other.rs
+++ b/explorer/src/service/v2/other.rs
@@ -61,7 +61,7 @@ pub async fn v2_statistics(api: &Api, ty: Query<Option<i32>>) -> Result<V2ChainS
                     "select count(distinct address) as cnt from native_addrs".to_string();
                 sql_daily_txs = format!(
                     "select count(*) as cnt from transaction where ty=0 and timestamp>={}",
-                    start_time.timestamp()
+                    start_time.and_utc().timestamp()
                 );
             }
             _ => {
@@ -69,7 +69,7 @@ pub async fn v2_statistics(api: &Api, ty: Query<Option<i32>>) -> Result<V2ChainS
                     "select count(distinct address) as cnt from evm_addrs".to_string();
                 sql_daily_txs = format!(
                     "select count(*) as cnt from transaction where ty=1 and timestamp>={}",
-                    start_time.timestamp()
+                    start_time.and_utc().timestamp()
                 );
             }
         }
@@ -110,7 +110,7 @@ pub async fn v2_statistics(api: &Api, ty: Query<Option<i32>>) -> Result<V2ChainS
 
         let sql_daily_txs = format!(
             "select count(*) as cnt from transaction where timestamp>={}",
-            start_time.timestamp()
+            start_time.and_utc().timestamp()
         );
         let row_daily = sqlx::query(sql_daily_txs.as_str())
             .fetch_one(&mut conn)
diff --git a/prismer/src/rpc.rs b/prismer/src/rpc.rs
index 3da1783..4b3223b 100644
--- a/prismer/src/rpc.rs
+++ b/prismer/src/rpc.rs
@@ -282,7 +282,7 @@ impl RPCCaller {
                                         amount: amount.to_string(),
                                         decimal: decimal as i64,
                                         height,
-                                        timestamp: timestamp.timestamp(),
+                                        timestamp: timestamp.and_utc().timestamp(),
                                         value: result.clone(),
                                     });
 
diff --git a/scanner/src/rpc.rs b/scanner/src/rpc.rs
index c671c86..1a421d1 100644
--- a/scanner/src/rpc.rs
+++ b/scanner/src/rpc.rs
@@ -234,7 +234,7 @@ impl RPCCaller {
                             native_addrs.push(Address {
                                 tx: tx_hash.clone(),
                                 address: to,
-                                timestamp: timestamp.timestamp(),
+                                timestamp: timestamp.and_utc().timestamp(),
                             });
                         }
                         sender = "".to_string();
@@ -279,7 +279,7 @@ impl RPCCaller {
                         tx_hash: tx_hash.clone(),
                         block_hash: block_hash.clone(),
                         height,
-                        timestamp: timestamp.timestamp(),
+                        timestamp: timestamp.and_utc().timestamp(),
                         code: tx.tx_result.code,
                         ty: FindoraTxType::Evm as i32,
                         ty_sub,
@@ -300,7 +300,7 @@ impl RPCCaller {
                         evm_addrs.push(Address {
                             tx: tx_hash.clone(),
                             address: a,
-                            timestamp: timestamp.timestamp(),
+                            timestamp: timestamp.and_utc().timestamp(),
                         });
                     }
                 }
@@ -331,7 +331,7 @@ impl RPCCaller {
                             evm_addrs.push(Address {
                                 tx: tx_hash.clone(),
                                 address: receiver.clone(),
-                                timestamp: timestamp.timestamp(),
+                                timestamp: timestamp.and_utc().timestamp(),
                             });
                             sender = signer.clone();
                             ty_sub = FindoraTxType::NativeToEVM as i32;
@@ -343,7 +343,7 @@ impl RPCCaller {
                                 asset,
                                 amount: opt.convert_account.value,
                                 height,
-                                timestamp: timestamp.timestamp(),
+                                timestamp: timestamp.and_utc().timestamp(),
                                 content: op_copy,
                             });
                         } else if op_str.contains("UnDelegation") {
@@ -375,7 +375,7 @@ impl RPCCaller {
                                 target_validator,
                                 new_delegator,
                                 height,
-                                timestamp: timestamp.timestamp(),
+                                timestamp: timestamp.and_utc().timestamp(),
                                 content: op_copy,
                             });
                         } else if op_str.contains("Delegation") {
@@ -395,7 +395,7 @@ impl RPCCaller {
                                 validator: opt.delegation.body.validator,
                                 new_validator,
                                 height,
-                                timestamp: timestamp.timestamp(),
+                                timestamp: timestamp.and_utc().timestamp(),
                                 content: op_copy,
                             });
                         } else if op_str.contains("Claim") {
@@ -411,7 +411,7 @@ impl RPCCaller {
                                 sender: signer,
                                 amount: opt.claim.body.amount.unwrap_or(0),
                                 height,
-                                timestamp: timestamp.timestamp(),
+                                timestamp: timestamp.and_utc().timestamp(),
                                 content: op_copy,
                             });
                         } else if op_str.contains("DefineAsset") {
@@ -432,7 +432,7 @@ impl RPCCaller {
                                 block_hash: block_hash.clone(),
                                 issuer,
                                 height,
-                                timestamp: timestamp.timestamp(),
+                                timestamp: timestamp.and_utc().timestamp(),
                                 issued: 0,
                                 content: op_copy,
                             });
@@ -452,7 +452,7 @@ impl RPCCaller {
                                 block_hash: block_hash.clone(),
                                 issuer,
                                 height,
-                                timestamp: timestamp.timestamp(),
+                                timestamp: timestamp.and_utc().timestamp(),
                                 issued: 1,
                                 content: op_copy,
                             });
@@ -541,7 +541,7 @@ impl RPCCaller {
                         tx_hash: tx_hash.clone(),
                         block_hash: block_hash.clone(),
                         height,
-                        timestamp: timestamp.timestamp(),
+                        timestamp: timestamp.and_utc().timestamp(),
                         code: tx.tx_result.code,
                         ty: FindoraTxType::Native as i32,
                         ty_sub,
@@ -562,7 +562,7 @@ impl RPCCaller {
                         native_addrs.push(Address {
                             tx: tx_hash.clone(),
                             address: a,
-                            timestamp: timestamp.timestamp(),
+                            timestamp: timestamp.and_utc().timestamp(),
                         });
                     }
                 }