Pre Merge pull request !39 from 田朝盛/N/A

Signed-off-by: 田朝盛 <1753182616@qq.com>

src/main/java/com/genersoft/iot/vmp/media/zlm/ZLMMediaNodeServerService.java

@@ -218,9 +218,9 @@ public class ZLMMediaNodeServerService implements IMediaNodeServerService {
     public void getSnap(MediaServer mediaServer, String app, String stream, int timeoutSec, int expireSec, String path, String fileName) {
         String streamUrl;
         if (mediaServer.getRtspPort() != 0) {
-            streamUrl = String.format("rtsp://127.0.0.1:%s/%s/%s", mediaServer.getRtspPort(), "rtp", stream);
+            streamUrl = String.format("rtsp://127.0.0.1:%s/%s/%s", mediaServer.getRtspPort(), app, stream);
         } else {
-            streamUrl = String.format("http://127.0.0.1:%s/%s/%s.live.mp4", mediaServer.getHttpPort(), "rtp", stream);
+            streamUrl = String.format("http://127.0.0.1:%s/%s/%s.live.mp4", mediaServer.getHttpPort(), app, stream);
         }
         zlmresTfulUtils.getSnap(mediaServer, streamUrl, timeoutSec, expireSec, path, fileName);
     }