diff --git a/account.go b/account.go
index e6a9ac1..002a6a9 100644
--- a/account.go
+++ b/account.go
@@ -13,6 +13,10 @@ func (c *Client) AccountBalance(address string) (balance *BigInt, err error) {
 		"tag":     "latest",
 		"address": address,
 	}
+	if c.isConfluxScan() {
+		param["tag"] = "latest_state"
+	}
+
 	balance = new(BigInt)
 	err = c.call("account", "balance", param, balance)
 	return
@@ -24,6 +28,10 @@ func (c *Client) MultiAccountBalance(addresses ...string) (balances []AccountBal
 		"tag":     "latest",
 		"address": addresses,
 	}
+	if c.isConfluxScan() {
+		param["tag"] = "latest_state"
+	}
+
 	balances = make([]AccountBalance, 0, len(addresses))
 	err = c.call("account", "balancemulti", param, &balances)
 	return
diff --git a/client.go b/client.go
index e69679a..bcf60f4 100644
--- a/client.go
+++ b/client.go
@@ -15,15 +15,17 @@ import (
 	"net/http"
 	"net/http/httputil"
 	"net/url"
+	"strings"
 	"time"
 )
 
 // Client etherscan API client
 // Clients are safe for concurrent use by multiple goroutines.
 type Client struct {
-	coon    *http.Client
-	key     string
-	baseURL string
+	coon      *http.Client
+	key       string
+	baseURL   string
+	ChainName string
 
 	// Verbose when true, talks a lot
 	Verbose bool
@@ -61,6 +63,8 @@ type Customization struct {
 	// Set your own timeout.
 	Client *http.Client
 
+	ChainName string
+
 	// BeforeRequest runs before every client request, in the same goroutine.
 	// May be used in rate limit.
 	// Request will be aborted, if BeforeRequest returns non-nil err.
@@ -85,6 +89,7 @@ func NewCustomized(config Customization) *Client {
 		coon:          httpClient,
 		key:           config.Key,
 		baseURL:       config.BaseURL,
+		ChainName:     config.ChainName,
 		Verbose:       config.Verbose,
 		BeforeRequest: config.BeforeRequest,
 		AfterRequest:  config.AfterRequest,
@@ -206,3 +211,8 @@ func (c *Client) craftURL(module, action string, param map[string]interface{}) (
 	URL = c.baseURL + q.Encode()
 	return
 }
+
+// isConfluxScan returns whether conflux scan API which has some API update
+func (c *Client) isConfluxScan() bool {
+	return strings.EqualFold(c.ChainName, "Conflux")
+}
diff --git a/response.go b/response.go
index 5c418cf..9d531c4 100644
--- a/response.go
+++ b/response.go
@@ -41,14 +41,14 @@ type NormalTx struct {
 	From              string  `json:"from"`
 	To                string  `json:"to"`
 	Value             *BigInt `json:"value"`
-	Gas               int     `json:"gas,string"`
+	Gas               *BigInt `json:"gas"`
 	GasPrice          *BigInt `json:"gasPrice"`
 	IsError           int     `json:"isError,string"`
 	TxReceiptStatus   string  `json:"txreceipt_status"`
 	Input             string  `json:"input"`
 	ContractAddress   string  `json:"contractAddress"`
-	CumulativeGasUsed int     `json:"cumulativeGasUsed,string"`
-	GasUsed           int     `json:"gasUsed,string"`
+	CumulativeGasUsed *BigInt `json:"cumulativeGasUsed"`
+	GasUsed           *BigInt `json:"gasUsed"`
 	Confirmations     int     `json:"confirmations,string"`
 	FunctionName      string  `json:"functionName"`
 	MethodId          string  `json:"methodId"`