diff --git a/gb28181-wvp-proxy-service/src/main/java/cn/skcks/docking/gb28181/wvp/service/ffmpeg/FfmpegSupportService.java b/gb28181-wvp-proxy-service/src/main/java/cn/skcks/docking/gb28181/wvp/service/ffmpeg/FfmpegSupportService.java
index 93caa90..8a2bc24 100644
--- a/gb28181-wvp-proxy-service/src/main/java/cn/skcks/docking/gb28181/wvp/service/ffmpeg/FfmpegSupportService.java
+++ b/gb28181-wvp-proxy-service/src/main/java/cn/skcks/docking/gb28181/wvp/service/ffmpeg/FfmpegSupportService.java
@@ -24,10 +24,10 @@ public class FfmpegSupportService {
         String inputParam = debug.getDownload() ? rtp.getDownload() : StringUtils.joinWith(" ", "-y", rtp.getDownload(), input);
         log.info("视频输入参数 {}", inputParam);
 
-        String outputParam = debug.getOutput() ? rtp.getOutput() : StringUtils.joinWith(" ", rtp.getOutput(), out);
+        String outputParam = debug.getOutput() ? rtp.getOutput() : StringUtils.joinWith(" ", "-t", unit.toSeconds(time), rtp.getOutput(), out);
         log.info("视频输出参数 {}", outputParam);
 
-        return ffmpegExecutor(inputParam, outputParam, time, unit, streamHandler, executeResultHandler);
+        return ffmpegExecutor(inputParam, outputParam, time + 15, unit, streamHandler, executeResultHandler);
     }
 
     @SneakyThrows
diff --git a/gb28181-wvp-proxy-service/src/main/java/cn/skcks/docking/gb28181/wvp/service/gb28181/Gb28181DownloadService.java b/gb28181-wvp-proxy-service/src/main/java/cn/skcks/docking/gb28181/wvp/service/gb28181/Gb28181DownloadService.java
index fa21093..f003f41 100644
--- a/gb28181-wvp-proxy-service/src/main/java/cn/skcks/docking/gb28181/wvp/service/gb28181/Gb28181DownloadService.java
+++ b/gb28181-wvp-proxy-service/src/main/java/cn/skcks/docking/gb28181/wvp/service/gb28181/Gb28181DownloadService.java
@@ -230,7 +230,9 @@ public class Gb28181DownloadService {
                     } else if (videoInfo == null) {
                         writeErrorToResponse(asyncResponse, JsonResponse.error("下载失败"));
                     } else if (wvpProxyConfig.getUseFfmpeg()) {
-                        videoService.ffmpegRecord(asyncResponse, videoInfo.getUrl(), DateUtil.between(startTime, endTime, DateUnit.SECOND) + 15, videoInfo.getDevice(), videoInfo.getCallId());
+                        executor.execute(()-> {
+                            videoService.ffmpegRecord(asyncResponse, videoInfo.getUrl(), DateUtil.between(startTime, endTime, DateUnit.SECOND), videoInfo.getDevice(), videoInfo.getCallId());
+                        });
                     } else {
                         videoService.javaCVrecord(asyncResponse, videoInfo.getUrl(), DateUtil.between(startTime, endTime, DateUnit.SECOND) + 15);
                     }
@@ -370,7 +372,7 @@ public class Gb28181DownloadService {
                         writeErrorToResponse(asyncResponse, JsonResponse.error("下载失败"));
                     } else if(wvpProxyConfig.getUseFfmpeg()){
                         executor.execute(()->{
-                            videoService.ffmpegRecord(asyncResponse, videoInfo.getUrl(), DateUtil.between(startTime,endTime,DateUnit.SECOND) + 15,videoInfo.getDevice(),videoInfo.getCallId());
+                            videoService.ffmpegRecord(asyncResponse, videoInfo.getUrl(), DateUtil.between(startTime,endTime,DateUnit.SECOND),videoInfo.getDevice(),videoInfo.getCallId());
                         });
                     } else {
                         videoService.javaCVrecord(asyncResponse, videoInfo.getUrl(), DateUtil.between(startTime,endTime,DateUnit.SECOND) + 15);