diff --git a/define.go b/define.go
index a9e7614..5ea0230 100644
--- a/define.go
+++ b/define.go
@@ -22,7 +22,6 @@ import (
 type InputLogConfig struct {
 	Name             string           `json:"name" yaml:"name"`                             // 日志文件名
 	Path             string           `json:"path" yaml:"path"`                             // 日志文件路径
-	Format           string           `json:"format" yaml:"format"`                         // 文件格式
 	TimeIntervalType TimeIntervalType `json:"time_interval_type" yaml:"time_interval_type"` // 日志切割规则
 	DivisionChar     string           `json:"division_char" yaml:"division_char"`           // 文件名分隔符
 	LogLevel         int              `json:"log_level" yaml:"log_level"`                   // 日志等级
@@ -60,14 +59,15 @@ func GetLogInstanceFromInputConfig(logConf *InputLogConfig) (*zap.Logger, error)
 	var (
 		err            error
 		loggerInstance *zap.Logger
+		splitConfig    *RotateLogConfig
 	)
-	splitConfig := &RotateLogConfig{
-		TimeIntervalType: logConf.TimeIntervalType,
-		LogPath:          logConf.Path,
-		LogFileName:      logConf.Name,
-		DivisionChar:     logConf.DivisionChar,
-		FullLogFormat:    logConf.Format,
-		MaxAge:           time.Duration(logConf.MaxAge) * time.Second,
+	if splitConfig, err = NewRotateLogConfig(
+		logConf.Path,
+		logConf.Name,
+		WithDivisionChar(logConf.DivisionChar),
+		WithTimeIntervalType(logConf.TimeIntervalType),
+		WithMaxAge(time.Duration(logConf.MaxAge)*time.Second)); nil != err {
+		return nil, err
 	}
 	if loggerInstance, err = NewLogger(zapcore.Level(logConf.LogLevel), splitConfig, logConfList...); nil != err {
 		return nil, err