diff --git a/config/config.go b/config/config.go
index 1e225d3..4ee9afd 100644
--- a/config/config.go
+++ b/config/config.go
@@ -176,7 +176,7 @@ func LoadConfYaml(confPath string) (ConfYaml, error) {
 		return config, err
 	}
 
-	err = yaml.Unmarshal([]byte(configFile), &config)
+	err = yaml.Unmarshal(configFile, &config)
 
 	if err != nil {
 		return config, err
diff --git a/gorush/log.go b/gorush/log.go
index 3000e36..7031b47 100644
--- a/gorush/log.go
+++ b/gorush/log.go
@@ -274,9 +274,9 @@ func LogPush(status, token string, req PushNotification, errPush error) {
 
 	switch status {
 	case SucceededPush:
-		LogAccess.Info(string(output))
+		LogAccess.Info(output)
 	case FailedPush:
-		LogError.Error(string(output))
+		LogError.Error(output)
 	}
 }
 
diff --git a/main.go b/main.go
index c28d5e7..fae5208 100644
--- a/main.go
+++ b/main.go
@@ -263,6 +263,6 @@ func main() {
 
 	gorush.InitAppStatus()
 	gorush.InitAPNSClient()
-	gorush.InitWorkers(int64(gorush.PushConf.Core.WorkerNum), int64(gorush.PushConf.Core.QueueNum))
+	gorush.InitWorkers(gorush.PushConf.Core.WorkerNum, gorush.PushConf.Core.QueueNum)
 	gorush.RunHTTPServer()
 }