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 19f1be1..93caa90 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
@@ -21,7 +21,7 @@ public class FfmpegSupportService {
     public Executor downloadToStream(String input, String out, long time, TimeUnit unit, ExecuteStreamHandler streamHandler, ExecuteResultHandler executeResultHandler) {
         FfmpegConfig.Rtp rtp = ffmpegConfig.getRtp();
         FfmpegConfig.Debug debug = ffmpegConfig.getDebug();
-        String inputParam = debug.getDownload() ? rtp.getDownload() : StringUtils.joinWith(" ", rtp.getDownload(), input);
+        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);
@@ -39,7 +39,7 @@ public class FfmpegSupportService {
     public Executor playbackToStream(String input, String out, long time, TimeUnit unit, ExecuteStreamHandler streamHandler, ExecuteResultHandler executeResultHandler){
         FfmpegConfig.Rtp rtp = ffmpegConfig.getRtp();
         FfmpegConfig.Debug debug = ffmpegConfig.getDebug();
-        String inputParam = debug.getInput() ? rtp.getInput() : StringUtils.joinWith(" ", rtp.getInput(), input);
+        String inputParam = debug.getInput() ? rtp.getInput() : StringUtils.joinWith(" ", "-y", rtp.getInput(), input);
         log.info("视频输入参数 {}", inputParam);
 
         String outputParam = debug.getOutput() ? rtp.getOutput() : StringUtils.joinWith(" ", rtp.getOutput(), out);
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 fe01e51..feb934d 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
@@ -1,9 +1,6 @@
 package cn.skcks.docking.gb28181.wvp.service.gb28181;
 
-import cn.hutool.core.date.DatePattern;
-import cn.hutool.core.date.DateUnit;
-import cn.hutool.core.date.DateUtil;
-import cn.hutool.core.date.LocalDateTimeUtil;
+import cn.hutool.core.date.*;
 import cn.hutool.core.io.IoUtil;
 import cn.hutool.core.util.IdUtil;
 import cn.skcks.docking.gb28181.common.json.JsonException;
@@ -184,6 +181,7 @@ public class Gb28181DownloadService {
         AsyncContext asyncContext = request.startAsync();
         asyncContext.setTimeout(0);
         asyncContext.start(()->{
+            DateTime start = DateUtil.date();
             HttpServletResponse asyncResponse = (HttpServletResponse)asyncContext.getResponse();
             try{
                 if(proxySipConfig.isUseRecordInfoQueryBeforeDownload()){
@@ -230,15 +228,17 @@ 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) + 60, videoInfo.getDevice(), videoInfo.getCallId());
+                        videoService.ffmpegRecord(asyncResponse, videoInfo.getUrl(), DateUtil.between(startTime, endTime, DateUnit.SECOND) + 15, videoInfo.getDevice(), videoInfo.getCallId());
                     } else {
-                        videoService.javaCVrecord(asyncResponse, videoInfo.getUrl(), DateUtil.between(startTime, endTime, DateUnit.SECOND) + 60);
+                        videoService.javaCVrecord(asyncResponse, videoInfo.getUrl(), DateUtil.between(startTime, endTime, DateUnit.SECOND) + 15);
                     }
-                    asyncContext.complete();
                 });
             } catch(Exception e) {
                 writeErrorToResponse(asyncResponse, JsonResponse.error(e.getMessage()));
+            } finally {
+                DateTime end = DateUtil.date();
                 asyncContext.complete();
+                log.info("下载总耗时: {}, deviceCode {}, startTime {}, endTime {}", DateUtil.between(start,end, DateUnit.SECOND), deviceCode, DateUtil.formatDateTime(startTime), DateUtil.formatDateTime(endTime));
             }
         });
     }
@@ -357,6 +357,7 @@ public class Gb28181DownloadService {
         AsyncContext asyncContext = request.startAsync();
         asyncContext.setTimeout(0);
         asyncContext.start(()->{
+            DateTime start = DateUtil.date();
             HttpServletResponse asyncResponse = (HttpServletResponse)asyncContext.getResponse();
             try{
                 download(deviceCode, startTime,endTime).whenComplete((videoInfo, e)->{
@@ -367,16 +368,20 @@ public class Gb28181DownloadService {
                         writeErrorToResponse(asyncResponse, JsonResponse.error("下载失败"));
                     } else if(wvpProxyConfig.getUseFfmpeg()){
                         scheduledExecutorService.submit(()->{
-                            videoService.ffmpegRecord(asyncResponse, videoInfo.getUrl(), DateUtil.between(startTime,endTime,DateUnit.SECOND) + 60,videoInfo.getDevice(),videoInfo.getCallId());
+                            videoService.ffmpegRecord(asyncResponse, videoInfo.getUrl(), DateUtil.between(startTime,endTime,DateUnit.SECOND) + 15,videoInfo.getDevice(),videoInfo.getCallId());
                         });
                     } else {
-                        videoService.javaCVrecord(asyncResponse, videoInfo.getUrl(), DateUtil.between(startTime,endTime,DateUnit.SECOND) + 60);
+                        videoService.javaCVrecord(asyncResponse, videoInfo.getUrl(), DateUtil.between(startTime,endTime,DateUnit.SECOND) + 15);
                     }
-                    asyncContext.complete();
+
                 });
             } catch(Exception e) {
                 writeErrorToResponse(asyncResponse, JsonResponse.error(e.getMessage()));
+
+            } finally {
+                DateTime end = DateUtil.date();
                 asyncContext.complete();
+                log.info("下载总耗时: {}, deviceCode {}, startTime {}, endTime {}", DateUtil.between(start,end, DateUnit.SECOND), deviceCode, DateUtil.formatDateTime(startTime), DateUtil.formatDateTime(endTime));
             }
         });
     }
diff --git a/gb28181-wvp-proxy-service/src/main/java/cn/skcks/docking/gb28181/wvp/service/video/VideoService.java b/gb28181-wvp-proxy-service/src/main/java/cn/skcks/docking/gb28181/wvp/service/video/VideoService.java
index 72694dc..a40d417 100644
--- a/gb28181-wvp-proxy-service/src/main/java/cn/skcks/docking/gb28181/wvp/service/video/VideoService.java
+++ b/gb28181-wvp-proxy-service/src/main/java/cn/skcks/docking/gb28181/wvp/service/video/VideoService.java
@@ -273,6 +273,9 @@ public class VideoService {
         if(ffmpegConfig.getUseTmpFile()) {
             ServletOutputStream servletOutputStream = response.getOutputStream();
             IoUtil.copy(new FileInputStream(file), servletOutputStream);
+            response.flushBuffer();
+            servletOutputStream.close();
+            System.gc();
             boolean delete = file.delete();
             log.info("删除临时文件 {} => {}", file, delete);
         }