diff --git a/gb28181-wvp-proxy-api/src/main/java/cn/skcks/docking/gb28181/wvp/api/video/RecordController.java b/gb28181-wvp-proxy-api/src/main/java/cn/skcks/docking/gb28181/wvp/api/video/RecordController.java
index 210d359..ddaea82 100644
--- a/gb28181-wvp-proxy-api/src/main/java/cn/skcks/docking/gb28181/wvp/api/video/RecordController.java
+++ b/gb28181-wvp-proxy-api/src/main/java/cn/skcks/docking/gb28181/wvp/api/video/RecordController.java
@@ -17,7 +17,7 @@ import org.springframework.web.bind.annotation.*;
 public class RecordController {
     private final RecordService recordService;
 
-    @Operation(summary = "返回文件下载 http 头信息",description = "禁止多线程下载, 默认文件名为 record.flv")
+    @Operation(summary = "返回文件下载 http 头信息",description = "禁止多线程下载, 默认文件名为 record.mp4")
     @RequestMapping(method = {RequestMethod.HEAD,RequestMethod.OPTIONS})
     public void record(HttpServletResponse response){
         recordService.header(response);
diff --git a/gb28181-wvp-proxy-service/src/main/java/cn/skcks/docking/gb28181/wvp/service/video/RecordService.java b/gb28181-wvp-proxy-service/src/main/java/cn/skcks/docking/gb28181/wvp/service/video/RecordService.java
index 382af32..269e7ce 100644
--- a/gb28181-wvp-proxy-service/src/main/java/cn/skcks/docking/gb28181/wvp/service/video/RecordService.java
+++ b/gb28181-wvp-proxy-service/src/main/java/cn/skcks/docking/gb28181/wvp/service/video/RecordService.java
@@ -30,10 +30,10 @@ public class RecordService {
      * @param response  HttpServletResponse 响应
      */
     public void header(HttpServletResponse response) {
-        response.setContentType("video/x-flv");
+        response.setContentType("video/mp4");
         response.setHeader("Accept-Ranges", "none");
         response.setHeader("Connection", "close");
-        response.setHeader("Content-Disposition","attachment; filename=\"record.flv\"");
+        response.setHeader("Content-Disposition","attachment; filename=\"record.mp4\"");
     }
 
     /**
@@ -82,6 +82,7 @@ public class RecordService {
         recorder.setFrameRate(grabber.getFrameRate());
         recorder.setSampleRate(grabber.getSampleRate());
         recorder.setOption("flvflags", "no_duration_filesize");
+        recorder.setOption("movflags","frag_keyframe+empty_moov");
         if (grabber.getAudioChannels() > 0) {
             recorder.setAudioChannels(grabber.getAudioChannels());
             recorder.setAudioBitrate(grabber.getAudioBitrate());
@@ -92,7 +93,7 @@ public class RecordService {
         recorder.setVideoCodec(avcodec.AV_CODEC_ID_H264);
         recorder.setPixelFormat(avutil.AV_PIX_FMT_YUV420P); // 视频源数据yuv
         recorder.setAudioCodec(avcodec.AV_CODEC_ID_AAC); // 设置音频压缩方式
-        recorder.setFormat("flv");
+        recorder.setFormat("mp4");
         recorder.setVideoOption("threads", String.valueOf(Runtime.getRuntime().availableProcessors())); // 解码线程数
         recorder.start(grabber.getFormatContext());
         log.info("开始录制 {}", url);