diff --git a/internal/common/device.go b/internal/common/device.go
index a090cb3..980c405 100644
--- a/internal/common/device.go
+++ b/internal/common/device.go
@@ -3,6 +3,7 @@ package common
 import (
 	"context"
 	"fmt"
+	"game-driver/pkg/logger"
 	"github.com/eclipse/paho.golang/autopaho"
 	"github.com/eclipse/paho.golang/paho"
 	"sync"
@@ -29,12 +30,14 @@ func (d *Device) Lock() {
 	defer d.OnChange()
 	d.mu.Lock()
 	d.status.Store(1)
+	logger.Infoln("设备上锁")
 }
 
 func (d *Device) Unlock() {
 	defer d.OnChange()
 	d.status.Store(0)
 	d.mu.Unlock()
+	logger.Infoln("设备解锁")
 }
 
 func (d *Device) Status() int {
diff --git a/internal/middleware/bgm.go b/internal/middleware/bgm.go
index ba0d02d..4d4a049 100644
--- a/internal/middleware/bgm.go
+++ b/internal/middleware/bgm.go
@@ -10,12 +10,17 @@ import (
 	"sync"
 )
 
+// PlayBgm 播放背景音乐
 func PlayBgm() leaf.HandlerFunc {
 	return func(c *leaf.Context) {
 		pm := leaf.Value[*schema.PlayModal](c, PayloadJSONKey)
 
-		bgm := utils.LinkAudio(pm.BGM)
+		bgm, err := utils.LinkAudio(pm.BGM)
+		if err != nil {
+			logger.Errorln("背景音乐解析异常", err)
+		}
 		if bgm != nil {
+			logger.Infoln("背景音乐解析成功")
 			// 等待组
 			var wait sync.WaitGroup
 			defer wait.Wait()
@@ -25,15 +30,18 @@ func PlayBgm() leaf.HandlerFunc {
 			// 发送结束信号
 			defer close(a)
 
+			wait.Add(1)
 			go func() {
 				// 等待结束
-				wait.Add(1)
 				defer wait.Done()
 
-				ctrl, closer := audio.PlayBgmMP3(bgm)
+				logger.Infoln("开始播放背景音乐")
+				defer logger.Infoln("结束背景音乐播放")
+
+				ctrl, closer, e := audio.PlayBgmMP3(bgm)
 				defer closer()
-				if ctrl == nil {
-					logger.Infoln("播放背景音乐失败")
+				if e != nil {
+					logger.Errorln("播放背景音乐失败", e)
 					return
 				}
 
@@ -47,6 +55,8 @@ func PlayBgm() leaf.HandlerFunc {
 					}
 				}
 			}()
+		} else {
+			logger.Errorln("背景音乐解析为空")
 		}
 
 		c.Next()
diff --git a/internal/middleware/json.go b/internal/middleware/json.go
index 611491e..978097d 100644
--- a/internal/middleware/json.go
+++ b/internal/middleware/json.go
@@ -17,7 +17,7 @@ func PayloadJSON[T schema.JsonModel]() leaf.HandlerFunc {
 		pm := new(T)
 		err := json.Unmarshal(c.Payload, pm)
 		if err != nil {
-			logger.Panicf("报文解析错误: %v\n", err)
+			logger.Panicln("报文解析错误", err)
 		}
 		leaf.WithValue[*T](c, PayloadJSONKey, pm)
 		c.Next()
diff --git a/internal/middleware/log.go b/internal/middleware/log.go
index 158fbec..18f1c8e 100644
--- a/internal/middleware/log.go
+++ b/internal/middleware/log.go
@@ -8,7 +8,7 @@ import (
 func RunLog() leaf.HandlerFunc {
 	return func(c *leaf.Context) {
 		logger.Infof("收到消息, topic: %s, payload: %s", c.Topic, c.Payload)
-		defer logger.Infof("执行结束")
+		defer logger.Infof("处理结束")
 
 		c.Next()
 	}
diff --git a/internal/middleware/relay.go b/internal/middleware/relay.go
index 64cdca1..ed56aa8 100644
--- a/internal/middleware/relay.go
+++ b/internal/middleware/relay.go
@@ -3,6 +3,7 @@ package middleware
 import (
 	"game-driver/internal/schema"
 	"game-driver/leaf"
+	"game-driver/pkg/logger"
 	"game-driver/pkg/relay"
 )
 
@@ -13,6 +14,11 @@ func RelayMaster(r *relay.Device) leaf.HandlerFunc {
 		if r != nil && pm.Power {
 			r.On(1)
 			defer r.Off(1)
+
+			logger.Infoln("开启电源")
+			defer logger.Infoln("关闭电源")
+		} else {
+			logger.Infoln("继电器未开启/不需要电源控制")
 		}
 		c.Next()
 	}
diff --git a/internal/middleware/stop.go b/internal/middleware/stop.go
index 84f37bb..eec5995 100644
--- a/internal/middleware/stop.go
+++ b/internal/middleware/stop.go
@@ -3,6 +3,7 @@ package middleware
 import (
 	"game-driver/internal/common"
 	"game-driver/leaf"
+	"game-driver/pkg/logger"
 )
 
 // EmergencyStop 紧急停止中间件
@@ -17,10 +18,13 @@ func EmergencyStop(stopper common.Stopper) leaf.HandlerFunc {
 		defer close(a)
 
 		go func() {
+			defer logger.Infoln("结束停止信号监控")
+
 			select {
 			case <-a:
 			case <-stopper.Done():
 				{
+					logger.Infoln("紧急停止信号触发")
 					cancel()
 					leaf.WithValue[leaf.EndType](c, leaf.EndKey, leaf.EndStop)
 				}
diff --git a/internal/middleware/ticker.go b/internal/middleware/ticker.go
index e08c436..e69caad 100644
--- a/internal/middleware/ticker.go
+++ b/internal/middleware/ticker.go
@@ -3,6 +3,7 @@ package middleware
 import (
 	"game-driver/internal/schema"
 	"game-driver/leaf"
+	"game-driver/pkg/logger"
 	"game-driver/pkg/tts"
 	"sync"
 	"time"
@@ -31,14 +32,18 @@ func TickerAction() leaf.HandlerFunc {
 		// 发送结束信号
 		defer close(a)
 
+		wait.Add(1)
 		go func() {
 			start := time.Now()
 			// 等待结束
-			wait.Add(1)
 			defer wait.Done()
 			// 定时器
 			ticker := time.NewTicker(time.Second)
 			defer ticker.Stop()
+
+			logger.Infoln("开始 Ticker 计时")
+			defer logger.Infoln("结束 Ticker 计时")
+
 			for over := false; !over; {
 				select {
 				case <-a:
diff --git a/internal/middleware/timer.go b/internal/middleware/timer.go
index 341ef42..98ce1ff 100644
--- a/internal/middleware/timer.go
+++ b/internal/middleware/timer.go
@@ -3,6 +3,7 @@ package middleware
 import (
 	"game-driver/internal/schema"
 	"game-driver/leaf"
+	"game-driver/pkg/logger"
 	"sync"
 	"time"
 )
@@ -31,15 +32,20 @@ func TimeoutOver(maxTimeout int) leaf.HandlerFunc {
 		defer close(a)
 
 		cancel := leaf.WithCancel(c)
+		wait.Add(1)
 		go func() {
 			// 等待结束
-			wait.Add(1)
 			defer wait.Done()
+
+			logger.Infoln("超时 Timer 监控开始")
+			defer logger.Infoln("超时 Timer 监控结束")
+
 			// 结束标志
 			select {
 			case <-a:
 			case <-timer.C: // 定时器结束
 				{
+					logger.Infoln("超时 Timer 触发")
 					cancel()
 					leaf.WithValue[leaf.EndType](c, leaf.EndKey, leaf.EndTimer)
 				}
diff --git a/internal/middleware/unique.go b/internal/middleware/unique.go
new file mode 100644
index 0000000..8f9af5b
--- /dev/null
+++ b/internal/middleware/unique.go
@@ -0,0 +1,28 @@
+package middleware
+
+import (
+	"game-driver/internal/common"
+	"game-driver/leaf"
+	"game-driver/pkg/logger"
+	"sync"
+)
+
+// Unique 唯一任务中间件，会停止之前的任务，让新任务执行。同一时间只能有一个任务在执行
+func Unique(stopper common.Stopper) leaf.HandlerFunc {
+	var lock sync.Mutex
+	return func(c *leaf.Context) {
+		if !lock.TryLock() {
+			logger.Infoln("尝试加锁失败，执行停止任务")
+			stopper.Stop()
+			lock.Lock()
+		}
+		logger.Infoln("加锁完成")
+
+		defer func() {
+			lock.Unlock()
+			logger.Infoln("解锁完成")
+		}()
+
+		c.Next()
+	}
+}
diff --git a/internal/routes/play/only_video.go b/internal/routes/play/only_video.go
index 9adad93..0d9ca5a 100644
--- a/internal/routes/play/only_video.go
+++ b/internal/routes/play/only_video.go
@@ -4,6 +4,7 @@ import (
 	"game-driver/internal/middleware"
 	"game-driver/internal/schema"
 	"game-driver/leaf"
+	"game-driver/pkg/logger"
 	"game-driver/pkg/utils"
 	"game-driver/pkg/video"
 )
@@ -15,6 +16,11 @@ func OnlyVideo(c *leaf.Context) {
 	defer utils.BlankClose()
 
 	if url, ok := payload.Game["video"]; ok {
-		_ = video.Play(c, utils.LinkVideo(url.(string)))
+		local, err := utils.LinkVideo(url.(string))
+		if err != nil {
+			logger.Errorln("视频文件获取异常: ", err)
+			return
+		}
+		_ = video.Play(c, local)
 	}
 }
diff --git a/internal/routes/wait.go b/internal/routes/wait.go
index d33f4af..824c44d 100644
--- a/internal/routes/wait.go
+++ b/internal/routes/wait.go
@@ -98,17 +98,23 @@ func audioAction(c *leaf.Context, item schema.WaitItemModel, root schema.TimeMod
 		defer cancel()
 	}
 
+	data, err := utils.LinkAudio(item.Data)
+	if err != nil {
+		logger.Errorln("音频文件获取异常: ", err)
+		return
+	}
+
 	select {
 	case <-c.Done():
 	case <-timerAction(item.Start):
 		{
-			logger.Infoln("开始执行后台任务")
-			data := utils.LinkAudio(item.Data)
+			logger.Infoln("播放待机音乐")
+			defer logger.Infoln("结束待机音乐")
 
-			ctrl, closer := audio.PlayBgmMP3(data)
+			ctrl, closer, e := audio.PlayBgmMP3(data)
 			defer closer()
-			if ctrl == nil {
-				logger.Infoln("播放背景音乐失败")
+			if e != nil {
+				logger.Errorln("播放待机音乐异常", e)
 				return
 			}
 
@@ -137,7 +143,7 @@ func ttsAction(c *leaf.Context, item schema.WaitItemModel, root schema.TimeModel
 
 	reader, err := tts.DefaultTTS.Get(item.Data)
 	if err != nil {
-		logger.Infoln("语音合成异常: ", err)
+		logger.Errorln("语音合成异常: ", err)
 		return
 	}
 
@@ -145,6 +151,9 @@ func ttsAction(c *leaf.Context, item schema.WaitItemModel, root schema.TimeModel
 	case <-c.Done():
 	case <-timerAction(item.Start):
 		{
+			logger.Infoln("循环播放待机 TTS 语音")
+			defer logger.Infoln("结束待机 TTS 语音")
+
 			for {
 				audio.PlayWav(c, reader)
 				select {
@@ -170,7 +179,7 @@ func relayAction(c *leaf.Context, item schema.WaitItemModel, root schema.TimeMod
 
 	device, err := relay.New(item.Data, nil)
 	if err != nil {
-		logger.Infoln("继电器初始化异常: ", err)
+		logger.Errorln("继电器初始化异常: ", err)
 		return
 	}
 	defer device.Close()
@@ -179,6 +188,9 @@ func relayAction(c *leaf.Context, item schema.WaitItemModel, root schema.TimeMod
 	case <-c.Done():
 	case <-timerAction(item.Start):
 		{
+			logger.Infoln("待机继电器供电")
+			defer logger.Infoln("待机继电器断电")
+
 			device.On(1)
 			<-c.Done()
 			device.Off(1)
@@ -197,17 +209,27 @@ func videoAction(c *leaf.Context, item schema.WaitItemModel, root schema.TimeMod
 		defer cancel()
 	}
 
+	local, err := utils.LinkVideo(item.Data)
+	if err != nil {
+		logger.Errorln("视频文件获取异常: ", err)
+		return
+	}
+
 	select {
 	case <-c.Done():
 	case <-timerAction(item.Start):
 		{
+			logger.Infoln("循环播放待机视频")
+			defer logger.Infoln("结束待机视频")
+
 			utils.BlankOpen()
 			defer utils.BlankClose()
 
 			for {
-				err := video.Play(c, utils.LinkVideo(item.Data))
+				err := video.Play(c, local)
 				if err != nil {
-					logger.Panicln("视频播放异常: ", err)
+					logger.Errorln("视频播放异常: ", err)
+					return
 				}
 				select {
 				case <-c.Done():
diff --git a/internal/server.go b/internal/server.go
index ecc9399..3894925 100644
--- a/internal/server.go
+++ b/internal/server.go
@@ -10,6 +10,7 @@ import (
 	"game-driver/internal/schema"
 	"game-driver/leaf"
 	"game-driver/pkg/logger"
+	"game-driver/pkg/relay"
 	"game-driver/pkg/tts"
 	"game-driver/pkg/utils"
 	"github.com/eclipse/paho.golang/autopaho"
@@ -44,7 +45,7 @@ func buildMqtt(c config.MqttConfig, r *leaf.Engine, subTopics ...string) autopah
 			if _, err := cm.Subscribe(context.Background(), &paho.Subscribe{
 				Subscriptions: subscriptions,
 			}); err != nil {
-				logger.Infof("failed to subscribe (%s). This is likely to mean no messages will be received.", err)
+				logger.Errorf("failed to subscribe (%s). This is likely to mean no messages will be received.", err)
 				return
 			}
 			logger.Infoln("订阅完成")
@@ -60,12 +61,12 @@ func buildMqtt(c config.MqttConfig, r *leaf.Engine, subTopics ...string) autopah
 					return true, nil
 				},
 			},
-			OnClientError: func(err error) { fmt.Printf("client error: %s\n", err) },
+			OnClientError: func(err error) { logger.Errorf("client error: %s\n", err) },
 			OnServerDisconnect: func(d *paho.Disconnect) {
 				if d.Properties != nil {
-					fmt.Printf("server requested disconnect: %s\n", d.Properties.ReasonString)
+					logger.Warnf("server requested disconnect: %s\n", d.Properties.ReasonString)
 				} else {
-					fmt.Printf("server requested disconnect; reason code: %d\n", d.ReasonCode)
+					logger.Warnf("server requested disconnect; reason code: %d\n", d.ReasonCode)
 				}
 			},
 		},
@@ -82,6 +83,8 @@ func Run() {
 	defer cancel()
 
 	router := leaf.Default(ctx)
+	// 应用推出时刷新所有缓冲日志
+	defer logger.DefaultLogger.Sync()
 
 	log, _ := zap.NewStdLogAt(logger.DefaultLogger.ZapLogger(), zap.DebugLevel)
 	router.SetDebugLogger(log)
@@ -103,13 +106,13 @@ func Run() {
 	tts.DefaultTTS = tts.New(ctx, config.C.Aliyun)
 
 	// 构建继电器对象
-	//r, err := relay.New(config.C.Relay, func(msg string) {
-	//	logger.Infoln("串口返回: ", msg)
-	//})
-	//if err != nil {
-	//	logger.Panicln("串口连接异常: ", err)
-	//}
-	//defer r.Close()
+	r, err := relay.New(config.C.Relay, func(msg string) {
+		logger.Infoln("串口返回: ", msg)
+	})
+	if err != nil {
+		logger.Panicln("串口连接异常: ", err)
+	}
+	defer r.Close()
 
 	// 构建全局设备变量
 	device := common.DefaultDevice(ctx, cm, publishTopic)
@@ -133,6 +136,7 @@ func Run() {
 	router.RegisterHandler(topicPrefix+"wait",
 		middleware.RunLog(),
 		middleware.PayloadJSON[schema.WaitModel](),
+		middleware.Unique(common.GlobalBgStopper),
 		middleware.EmergencyStop(common.GlobalBgStopper),
 		routes.WaitAction,
 	)
@@ -151,13 +155,13 @@ func Run() {
 	signal.Notify(sig, os.Interrupt, syscall.SIGTERM)
 
 	<-sig
-	fmt.Println("接收到关闭命令 - 正在关闭程序")
+	logger.Infoln("接收到关闭命令 - 正在关闭程序")
 
 	ctx, cancel = context.WithTimeout(context.Background(), 5*time.Second)
 	defer cancel()
 	if e := cm.Disconnect(ctx); e != nil {
-		fmt.Printf("断开连接异常: %s\n", e)
+		logger.Errorln("断开连接异常", e)
 	}
 
-	fmt.Println("关闭完成")
+	logger.Infoln("关闭完成")
 }
diff --git a/pkg/audio/bgm.go b/pkg/audio/bgm.go
index cfe4e41..07d438e 100644
--- a/pkg/audio/bgm.go
+++ b/pkg/audio/bgm.go
@@ -8,16 +8,16 @@ import (
 	"io"
 )
 
-func PlayBgmMP3(r io.ReadCloser, opts ...beep.LoopOption) (*beep.Ctrl, func() error) {
+func PlayBgmMP3(r io.ReadCloser, opts ...beep.LoopOption) (*beep.Ctrl, func() error, error) {
 	streamer, format, err := mp3.Decode(r)
 	if err != nil {
-		return nil, func() error { return nil }
+		return nil, func() error { return nil }, err
 	}
 
 	loop2, err := beep.Loop2(streamer, opts...)
 	if err != nil {
 		logger.Infoln("循环播放异常: ", err)
-		return nil, streamer.Close
+		return nil, streamer.Close, err
 	}
 
 	s := beep.Resample(4, format.SampleRate, DefaultSampleRate, loop2)
@@ -27,5 +27,5 @@ func PlayBgmMP3(r io.ReadCloser, opts ...beep.LoopOption) (*beep.Ctrl, func() er
 		streamer.Close()
 	})))
 
-	return ctrl, streamer.Close
+	return ctrl, streamer.Close, nil
 }
diff --git a/pkg/logger/logger.go b/pkg/logger/logger.go
index 43fd52b..dc2cadd 100644
--- a/pkg/logger/logger.go
+++ b/pkg/logger/logger.go
@@ -18,10 +18,16 @@ func NewLogger() *Logger {
 	}
 }
 
+// ZapLogger 返回 zap 原始的 zap.Logger
 func (l *Logger) ZapLogger() *zap.Logger {
 	return l.zl
 }
 
+// Sync 刷新所有缓冲的日志条目
+func (l *Logger) Sync() error {
+	return l.zs.Sync()
+}
+
 var DefaultLogger = NewLogger()
 
 // Debug logs the provided arguments at [DebugLevel].
diff --git a/pkg/tts/aliyun.go b/pkg/tts/aliyun.go
index ed1a8b2..60c3dec 100644
--- a/pkg/tts/aliyun.go
+++ b/pkg/tts/aliyun.go
@@ -49,7 +49,7 @@ func (tts *AliTTS) Sound(text string) {
 	if err == nil && buf != nil {
 		audio.PlayWav(tts.ctx, buf)
 	} else {
-		logger.Panicln("AliTTS 请求异常: ", err)
+		logger.Errorln("AliTTS 请求异常: ", err)
 	}
 }
 
diff --git a/pkg/utils/link_audio.go b/pkg/utils/link_audio.go
index 1aecc19..371b7bf 100644
--- a/pkg/utils/link_audio.go
+++ b/pkg/utils/link_audio.go
@@ -2,6 +2,7 @@ package utils
 
 import (
 	"bytes"
+	"fmt"
 	"game-driver/pkg/logger"
 	"io"
 	"net/http"
@@ -48,21 +49,20 @@ func get(u string) io.ReadCloser {
 }
 
 // LinkAudio 链接音频，解析链接，直接提取为数据流
-func LinkAudio(link string) (bgm io.ReadCloser) {
+func LinkAudio(link string) (bgm io.ReadCloser, err error) {
 	if link == "" {
-		return nil
+		return
 	}
 	u, err := url.Parse(link)
 	if err != nil {
-		logger.Infoln("音频 URL 解析错误: ", err)
+		err = fmt.Errorf("URL 解析错误: %v", err)
 	} else {
 		if u.Scheme == "file" {
 			bgm = open(link)
 		} else if u.Scheme == "http" || u.Scheme == "https" {
 			bgm = get(link)
 		} else {
-			logger.Infof("不支持的音频文件协议: %v\n", u.String())
-			return
+			err = fmt.Errorf("不支持的链接协议: %v", u.String())
 		}
 		bgm = toSeeker(bgm)
 	}
diff --git a/pkg/utils/link_video.go b/pkg/utils/link_video.go
index 293b786..52415c1 100644
--- a/pkg/utils/link_video.go
+++ b/pkg/utils/link_video.go
@@ -1,7 +1,7 @@
 package utils
 
 import (
-	"game-driver/pkg/logger"
+	"fmt"
 	"io"
 	"net/http"
 	"net/url"
@@ -11,13 +11,13 @@ import (
 )
 
 // LinkVideo 链接视频，解析链接，网络文件会下载到临时目录并返回本地路径
-func LinkVideo(link string) (local string) {
+func LinkVideo(link string) (local string, err error) {
 	if link == "" {
 		return
 	}
 	u, err := url.Parse(link)
 	if err != nil {
-		logger.Infoln("音频 URL 解析错误: ", err)
+		err = fmt.Errorf("URL 解析错误: %v", err)
 	} else {
 		if u.Scheme == "file" {
 			local, _ = strings.CutPrefix(link, "file://")
@@ -26,13 +26,12 @@ func LinkVideo(link string) (local string) {
 			tmpLocal := path.Join(os.TempDir(), path.Base(p))
 			err = Download(link, tmpLocal)
 			if err != nil {
-				logger.Infoln("音频文件下载失败: ", err)
+				err = fmt.Errorf("链接文件获取失败: %v", err)
 				return
 			}
 			local = tmpLocal
 		} else {
-			logger.Infof("不支持的视频链接协议: %v\n", u.String())
-			return
+			err = fmt.Errorf("不支持的链接协议: %v", u.String())
 		}
 	}
 	return
diff --git a/pkg/video/paly.go b/pkg/video/paly.go
index 3919c08..a80e78e 100644
--- a/pkg/video/paly.go
+++ b/pkg/video/paly.go
@@ -25,8 +25,8 @@ func Play(ctx context.Context, file string) error {
 
 	a := make(chan struct{})
 	defer close(a)
+	wait.Add(1)
 	go func() {
-		wait.Add(1)
 		defer wait.Done()
 		for {
 			select {
diff --git a/readme.md b/readme.md
index dadd6af..1b0eaae 100644
--- a/readme.md
+++ b/readme.md
@@ -149,37 +149,3 @@ Payload:
 ```
 
 > 同一个类型的待机任务只能有一个，当有新的任务到达时会覆盖之前的任务
-
-
-## 说明
-
-1. linux 下播放音频
-   ```bash 
-   sudo apt install libasound2-dev alsa-utils
-   ```
-2. linux 下播放视频
-   ```bash
-   sudo apt install ffmpeg
-   ```
-   驱动安装
-   ```bash
-   libdirectfb-dev
-   ```
-3. 当前用户加入播放音频与视频的组中
-    ```bash
-    sudo usermod -aG audio,video $USER
-    ```
-
-### 关闭屏幕帧缓冲
-```bash
-# 关闭帧缓冲设备
-echo 1 | sudo tee /sys/class/graphics/fb0/blank
-
-# 重新打开帧缓冲设备
-echo 0 | sudo tee /sys/class/graphics/fb0/blank
-```
-
-### 播放视频
-```bash
-ffplay -autoexit -fs -i video.mp4
-```
\ No newline at end of file
diff --git a/todo.md b/todo.md
new file mode 100644
index 0000000..9926258
--- /dev/null
+++ b/todo.md
@@ -0,0 +1,32 @@
+## 技术点记录
+
+1. linux 下播放音频
+   ```bash 
+   sudo apt install libasound2-dev alsa-utils
+   ```
+2. linux 下播放视频
+   ```bash
+   sudo apt install ffmpeg
+   ```
+   驱动安装
+   ```bash
+   libdirectfb-dev
+   ```
+3. 当前用户加入播放音频与视频的组中
+    ```bash
+    sudo usermod -aG audio,video $USER
+    ```
+
+### 关闭屏幕帧缓冲
+
+```bash
+# 关闭帧缓冲设备
+echo 1 | sudo tee /sys/class/graphics/fb0/blank
+# 重新打开帧缓冲设备
+echo 0 | sudo tee /sys/class/graphics/fb0/blank
+```
+
+### 播放视频
+```bash
+ffplay -autoexit -fs -i video.mp4
+```