diff --git a/example/main.go b/example/main.go
index 81859a0..1d7e6d7 100644
--- a/example/main.go
+++ b/example/main.go
@@ -15,6 +15,7 @@ func main() {
 		// loggerx.SetTimeZone(time.UTC),
 		loggerx.SetTimeZone(time.FixedZone("CST", 8*3600)),
 	)
+	log.WriteAsync().Info(ctx, "哈哈哈2异步")
 	log.Info(ctx, "哈哈哈2")
 	log.Info(ctx, "哈哈哈2")
 	log.Info(ctx, "哈哈哈2")
@@ -22,5 +23,10 @@ func main() {
 	log.Info(ctx, "哈哈哈2")
 	log.Info(ctx, "哈哈哈2")
 	log.Info(ctx, "哈哈哈2")
-	log.Info(ctx, "哈哈哈2")
+
+	for i := 0; i < 100; i++ {
+		log.WriteAsync().Infof(ctx, "异步 %d", i)
+	}
+
+	time.Sleep(time.Second)
 }
diff --git a/loggerx.go b/loggerx.go
index cdebd9c..8e3c925 100644
--- a/loggerx.go
+++ b/loggerx.go
@@ -21,11 +21,12 @@ import (
 
 // 需要实现io.Writer接口
 type Logger struct {
-	ctx      context.Context
-	filePath *sync.Map // filePath
-	mu       *sync.Mutex
-	option   loggerOption
-	channel  string
+	ctx       context.Context
+	filePath  *sync.Map // filePath
+	mu        *sync.Mutex
+	option    loggerOption
+	channel   string
+	writeType writeType // 是否异步落盘，这里作用范围是本条，优先判断这里
 }
 
 type filePath struct {
@@ -45,10 +46,11 @@ func NewLogger(ctx context.Context, opts ...Option) *Logger {
 	}
 
 	l := &Logger{
-		ctx:      ctx,
-		filePath: &sync.Map{},
-		mu:       &sync.Mutex{},
-		option:   opt,
+		ctx:       ctx,
+		filePath:  &sync.Map{},
+		mu:        &sync.Mutex{},
+		option:    opt,
+		writeType: writeTypeDefault,
 	}
 
 	log.SetOutput(l)
@@ -87,6 +89,18 @@ func (l *Logger) Channel(ch string) (r *Logger) {
 	return &rr
 }
 
+func (l *Logger) WriteAsync() (r *Logger) {
+	rr := *l
+	rr.writeType = writeTypeAsync
+	return &rr
+}
+
+func (l *Logger) WriteSync() (r *Logger) {
+	rr := *l
+	rr.writeType = writeTypeSync
+	return &rr
+}
+
 // 获取TraceField的字段
 func (l *Logger) GetTraceField() string {
 	return l.option.traceField
diff --git a/options.go b/options.go
index fb1cb9a..ce15e2d 100644
--- a/options.go
+++ b/options.go
@@ -13,6 +13,7 @@ type loggerOption struct {
 	isGinLog    bool
 	isGid       bool
 	isPrintFile bool
+	writeType   writeType      // 是否异步罗盘
 	traceField  string         // trace字段
 	errorToInfo bool           // 错误日志是否写入info日志
 	days        int            // 日志保存天数
@@ -22,11 +23,21 @@ type loggerOption struct {
 	timeZone    *time.Location // 时区
 }
 
+type writeType uint8
+
+const (
+	// 0.默认(同步) 1.指定同步 2.指定异步
+	writeTypeDefault writeType = iota
+	writeTypeSync
+	writeTypeAsync
+)
+
 func defaultOptions() loggerOption {
 	return loggerOption{
 		isGinLog:    true,
 		isGid:       true,
 		isPrintFile: true,
+		writeType:   writeTypeDefault, // 默认同步
 		format:      "json",
 		dir:         "./log",
 		traceField:  "trace_id",
@@ -45,6 +56,13 @@ func SetTraceField(traceField string) Option {
 	}
 }
 
+// 是否异步写入
+func SetWriteAsync() Option {
+	return func(o *loggerOption) {
+		o.writeType = writeTypeAsync
+	}
+}
+
 // 打印到控制台
 func SetToConsole() Option {
 	return func(o *loggerOption) {
diff --git a/readme.md b/readme.md
index 85524a3..54a6984 100644
--- a/readme.md
+++ b/readme.md
@@ -1,4 +1,3 @@
-
 # 简介
 
 这个是基于原生log实现的日志存储。
@@ -11,7 +10,6 @@ log.Println("ddddd")
 
 # 用法
 
-
 # 开发计划
 
 1. 自动清除过期的日志文件
@@ -23,3 +21,5 @@ log.Println("ddddd")
    2. 按照文件大小分割
    3. 按照日志行数分割
 6. 支持debug 模式
+
+* [X] 添加异步落库，支持全局和单次
diff --git a/storage.go b/storage.go
index 7e8e2da..df7083f 100644
--- a/storage.go
+++ b/storage.go
@@ -2,9 +2,20 @@ package loggerx
 
 import (
 	"io"
+	"sync"
 )
 
+// 写入，需要判断同步还是异步
 func (l *Logger) write(event string, b []byte) (n int, err error) {
+	if l.toAsync(event, b) {
+		// fmt.Println("异步写入")
+		return len(b), nil
+	}
+	return l.store(event, b)
+}
+
+// 实际的存储
+func (l *Logger) store(event string, b []byte) (n int, err error) {
 
 	if l.option.isPrintFile {
 		f, err := l.getFile(event, false)
@@ -30,3 +41,32 @@ func (l *Logger) write(event string, b []byte) (n int, err error) {
 	}
 	return n, err
 }
+
+var chanStore = make(chan cacheData, 1000)
+var chanOnce = sync.Once{}
+
+type cacheData struct {
+	logger *Logger
+	Event  string
+	Data   []byte
+}
+
+func (l *Logger) toAsync(event string, b []byte) bool {
+	chanOnce.Do(func() {
+		go func() {
+			for val := range chanStore {
+				val.logger.store(val.Event, val.Data)
+			}
+		}()
+	})
+
+	if l.writeType == writeTypeSync || // 指定同步模式
+		(l.writeType == writeTypeDefault && l.option.writeType != writeTypeAsync) { // 默认同步模式
+		return false
+	}
+
+	// 为了避免丢失，还是要阻塞等待
+	chanStore <- cacheData{l, event, b}
+
+	return true
+}