diff --git a/gb28181-wvp-proxy-api/src/main/java/cn/skcks/docking/gb28181/wvp/api/video/VideoController.java b/gb28181-wvp-proxy-api/src/main/java/cn/skcks/docking/gb28181/wvp/api/video/VideoController.java
index f562fac..3391134 100644
--- a/gb28181-wvp-proxy-api/src/main/java/cn/skcks/docking/gb28181/wvp/api/video/VideoController.java
+++ b/gb28181-wvp-proxy-api/src/main/java/cn/skcks/docking/gb28181/wvp/api/video/VideoController.java
@@ -26,7 +26,6 @@ import org.springframework.web.bind.annotation.GetMapping;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.ResponseBody;
 
-import java.time.temporal.ChronoUnit;
 import java.util.Date;
 
 @Slf4j
@@ -65,8 +64,8 @@ public class VideoController {
     @GetMapping(value = "/device/video.mp4",produces = MediaType.APPLICATION_OCTET_STREAM_VALUE)
     @ResponseBody
     public void video(HttpServletRequest request, HttpServletResponse response, @ParameterObject VideoMp4Req req) {
-        long forward = gb28181DeviceVideoApiConfig.getOffset().getForward().get(ChronoUnit.MILLIS);
-        long back = gb28181DeviceVideoApiConfig.getOffset().getBack().get(ChronoUnit.MILLIS);
+        long forward = gb28181DeviceVideoApiConfig.getOffset().getForward().toMillis();
+        long back = gb28181DeviceVideoApiConfig.getOffset().getBack().toMillis();
         DateTime reqStartTime = DateUtil.date(req.getStartTime());
         DateTime reqEndTime = DateUtil.date(req.getEndTime());
         Date startTime = DateUtil.offsetMillisecond(reqStartTime, (int) -forward);