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 375e8e2..f271a5d 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
@@ -286,6 +286,7 @@ public class Gb28181DownloadService {
                 }, time, TimeUnit.MILLISECONDS);
 
                 String url = videoWsUrl(videoInfo.getUrl());
+                url = StringUtils.replaceOnce(url, ".live.flv", ".live.mp4");
                 result.setResult(JsonResponse.success(url));
             });
         }, 200, TimeUnit.MILLISECONDS);