diff --git a/client.go b/client.go
index e69679a..b1a7b08 100644
--- a/client.go
+++ b/client.go
@@ -172,6 +172,9 @@ func (c *Client) call(module, action string, param map[string]interface{}, outco
 		err = wrapErr(err, "json unmarshal envelope")
 		return
 	}
+	if envelope.Status == 0 && envelope.Message == "No records found" {
+		return
+	}
 	if envelope.Status != 1 {
 		err = fmt.Errorf("etherscan server: %s", envelope.Message)
 		return
diff --git a/logs.go b/logs.go
index 2aab41a..e9293fe 100644
--- a/logs.go
+++ b/logs.go
@@ -2,13 +2,13 @@ package etherscan
 
 // GetLogs  gets a list of log for a single address
 // startBlock and endBlock cann`t be nil
-func (c *Client) GetLogs(address string, fromBlock string, toBlock string, topic0 string) (logs []Log, err error) {
+func (c *Client) GetLogs(address *string, fromBlock string, toBlock string, topic0 string) (logs []Log, err error) {
 	param := M{
 		"fromBlock": fromBlock,
 		"toBlock":   toBlock,
 		"topic0":    topic0,
 	}
 	compose(param, "address", address)
-	err = c.call("logs", "getLogs", param, logs)
+	err = c.call("logs", "getLogs", param, &logs)
 	return
 }
diff --git a/response.go b/response.go
index cb6130f..c93782e 100644
--- a/response.go
+++ b/response.go
@@ -150,13 +150,13 @@ type Log struct {
 	// but not secured by consensus.
 	// block in which the transaction was included
 	BlockNumber string `json:"blockNumber"`
+	TimeStamp   string `json:"timeStamp"`
 	GasPrice    string `json:"gasPrice"`
 	GasUsed     string `json:"gasUsed"`
-	TimeStamp   string `json:"timeStamp"`
+	// index of the log in the block
+	Index string `json:"logIndex"`
 	// hash of the transaction
 	TxHash string `json:"transactionHash"`
 	// index of the transaction in the block
 	TxIndex string `json:"transactionIndex"`
-	// index of the log in the block
-	Index string `json:"logIndex"`
 }