diff --git a/rollup/internal/controller/relayer/l1_relayer.go b/rollup/internal/controller/relayer/l1_relayer.go
index 2b7265c55..f5ef0fb36 100644
--- a/rollup/internal/controller/relayer/l1_relayer.go
+++ b/rollup/internal/controller/relayer/l1_relayer.go
@@ -154,22 +154,22 @@ func (r *Layer1Relayer) ProcessGasPriceOracle() {
 
 		// include the token exchange rate in the fee data if alternative gas token enabled
 		if r.cfg.GasOracleConfig.AlternativeGasTokenConfig != nil && r.cfg.GasOracleConfig.AlternativeGasTokenConfig.Enabled {
-			switch r.cfg.GasOracleConfig.AlternativeGasTokenConfig.Mode {
 			// The exchange rate represent the number of native token on L1 required to exchange for 1 native token on L2.
+			var exchangeRate float64
+			switch r.cfg.GasOracleConfig.AlternativeGasTokenConfig.Mode {
 			case config.FIXED:
-				baseFee = uint64(math.Ceil(float64(baseFee) / r.cfg.GasOracleConfig.AlternativeGasTokenConfig.FixedExchangeRate))
-				blobBaseFee = uint64(math.Ceil(float64(blobBaseFee) / r.cfg.GasOracleConfig.AlternativeGasTokenConfig.FixedExchangeRate))
+				exchangeRate = r.cfg.GasOracleConfig.AlternativeGasTokenConfig.FixedExchangeRate
 			case config.BINANCE_API:
-				exchangeRate, err := rutils.GetExchangeRateFromBinanceApi(r.cfg.GasOracleConfig.AlternativeGasTokenConfig.ApiEndpoint)
+				exchangeRate, err = rutils.GetExchangeRateFromBinanceApi(r.cfg.GasOracleConfig.AlternativeGasTokenConfig.ApiEndpoint)
 				if err != nil {
 					log.Error("Failed to get gas token exchange rate from Binance api", "endpoint", r.cfg.GasOracleConfig.AlternativeGasTokenConfig.ApiEndpoint, "err", err)
 				}
-				baseFee = uint64(math.Ceil(float64(baseFee) / exchangeRate))
-				blobBaseFee = uint64(math.Ceil(float64(blobBaseFee) / exchangeRate))
 			default:
 				log.Error("Invalid alternative gas token mode", "mode", r.cfg.GasOracleConfig.AlternativeGasTokenConfig.Mode)
 				return
 			}
+			baseFee = uint64(math.Ceil(float64(baseFee) / exchangeRate))
+			blobBaseFee = uint64(math.Ceil(float64(blobBaseFee) / exchangeRate))
 		}
 
 		if r.shouldUpdateGasOracle(baseFee, blobBaseFee, isCurie) {
diff --git a/rollup/internal/controller/relayer/l2_relayer.go b/rollup/internal/controller/relayer/l2_relayer.go
index bf46cd27d..15473e788 100644
--- a/rollup/internal/controller/relayer/l2_relayer.go
+++ b/rollup/internal/controller/relayer/l2_relayer.go
@@ -328,20 +328,22 @@ func (r *Layer2Relayer) ProcessGasPriceOracle() {
 
 		// include the token exchange rate in the fee data if alternative gas token enabled
 		if r.cfg.GasOracleConfig.AlternativeGasTokenConfig != nil && r.cfg.GasOracleConfig.AlternativeGasTokenConfig.Enabled {
-			switch r.cfg.GasOracleConfig.AlternativeGasTokenConfig.Mode {
 			// The exchange rate represent the number of native token on L1 required to exchange for 1 native token on L2.
+			var exchangeRate float64
+			switch r.cfg.GasOracleConfig.AlternativeGasTokenConfig.Mode {
 			case config.FIXED:
-				suggestGasPriceUint64 = uint64(math.Ceil(float64(suggestGasPriceUint64) * r.cfg.GasOracleConfig.AlternativeGasTokenConfig.FixedExchangeRate))
+				exchangeRate = r.cfg.GasOracleConfig.AlternativeGasTokenConfig.FixedExchangeRate
 			case config.BINANCE_API:
-				exchangeRate, err := rutils.GetExchangeRateFromBinanceApi(r.cfg.GasOracleConfig.AlternativeGasTokenConfig.ApiEndpoint)
+				exchangeRate, err = rutils.GetExchangeRateFromBinanceApi(r.cfg.GasOracleConfig.AlternativeGasTokenConfig.ApiEndpoint)
 				if err != nil {
 					log.Error("Failed to get gas token exchange rate from Binance api", "endpoint", r.cfg.GasOracleConfig.AlternativeGasTokenConfig.ApiEndpoint, "err", err)
 				}
-				suggestGasPriceUint64 = uint64(math.Ceil(float64(suggestGasPriceUint64) * exchangeRate))
+				
 			default:
 				log.Error("Invalid alternative gas token mode", "mode", r.cfg.GasOracleConfig.AlternativeGasTokenConfig.Mode)
 				return
 			}
+			suggestGasPriceUint64 = uint64(math.Ceil(float64(suggestGasPriceUint64) * exchangeRate))
 			suggestGasPrice = new(big.Int).SetUint64(suggestGasPriceUint64)
 		}
 
diff --git a/rollup/internal/utils/exchange_rate.go b/rollup/internal/utils/exchange_rate.go
index 781a63e43..ebbf7e840 100644
--- a/rollup/internal/utils/exchange_rate.go
+++ b/rollup/internal/utils/exchange_rate.go
@@ -18,7 +18,12 @@ func GetExchangeRateFromBinanceApi(endpoint string) (float64, error) {
 	if err != nil {
 		return 0, fmt.Errorf("error making HTTP request: %w", err)
 	}
-	defer resp.Body.Close()
+    defer func() {
+        err := resp.Body.Close()
+        if err != nil {
+            fmt.Println("error closing response body:", err)
+        }
+    }()
 
 	// check for successful response
 	if resp.StatusCode != http.StatusOK {
@@ -42,11 +47,7 @@ func GetExchangeRateFromBinanceApi(endpoint string) (float64, error) {
 	price, err := strconv.ParseFloat(data.Price, 64)
 	if err != nil {
 		return 0, fmt.Errorf("error parsing price string: %w", err)
-	}
-
-	if err := resp.Body.Close(); err != nil {
-		return 0, fmt.Errorf("error closing response body: %v", err)
-	}
+    }
 
 	return price, nil
 }