diff --git a/rollup/internal/controller/relayer/l1_relayer.go b/rollup/internal/controller/relayer/l1_relayer.go
index 93bbfd068..ef3e1faa5 100644
--- a/rollup/internal/controller/relayer/l1_relayer.go
+++ b/rollup/internal/controller/relayer/l1_relayer.go
@@ -16,6 +16,7 @@ import (
 
 	"scroll-tech/common/types"
 	"scroll-tech/common/utils"
+
 	rutils "scroll-tech/rollup/internal/utils"
 
 	bridgeAbi "scroll-tech/rollup/abi"
diff --git a/rollup/internal/utils/exchange_rate.go b/rollup/internal/utils/exchange_rate.go
index c3263ff98..85a36750f 100644
--- a/rollup/internal/utils/exchange_rate.go
+++ b/rollup/internal/utils/exchange_rate.go
@@ -6,6 +6,8 @@ import (
 	"io"
 	"net/http"
 	"strconv"
+
+	"github.com/scroll-tech/go-ethereum/log"
 )
 
 var BinanceApiEndpoint string = "https://api.binance.com/api/v3/ticker/price?symbol=%s"
@@ -21,9 +23,9 @@ func GetExchangeRateFromBinanceApi(tokenSymbolPair string) (float64, error) {
 		return 0, fmt.Errorf("error making HTTP request: %w", err)
 	}
 	defer func() {
-		err = resp.Body.Close()
+		err := resp.Body.Close()
 		if err != nil {
-			fmt.Println("error closing response body:", err)
+			log.Error("error closing response body", "err", err)
 		}
 	}()