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 78c1da0..0ba4fd9 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
@@ -137,8 +137,9 @@ public class Gb28181DownloadService {
                 download(deviceCode, startTime,endTime).whenComplete((url, e)->{
                     if(e != null){
                         writeErrorToResponse(asyncResponse, JsonResponse.error(e.getMessage()));
-                    }
-                    if(wvpProxyConfig.getUseFfmpeg()){
+                    } else if(StringUtils.isBlank(url)){
+                        writeErrorToResponse(asyncResponse, JsonResponse.error("下载失败"));
+                    } else if(wvpProxyConfig.getUseFfmpeg()){
                         videoService.ffmpegRecord(asyncResponse, url, DateUtil.between(startTime,endTime,DateUnit.SECOND) + 60);
                     } else {
                         videoService.javaCVrecord(asyncResponse, url, DateUtil.between(startTime,endTime,DateUnit.SECOND) + 60);