diff --git a/gb28181-wvp-proxy-starter/src/main/resources/application.yml b/gb28181-wvp-proxy-starter/src/main/resources/application.yml
index c648edf..807a140 100644
--- a/gb28181-wvp-proxy-starter/src/main/resources/application.yml
+++ b/gb28181-wvp-proxy-starter/src/main/resources/application.yml
@@ -75,7 +75,7 @@ ffmpeg-support:
     input: -re -i
     #output: -preset ultrafast -tune zerolatency -vcodec libx264 -acodec aac -movflags empty_moov+frag_keyframe+default_base_moof -f mp4 # -rtsp_transport tcp
     output: -enc_time_base -1 -preset ultrafast -tune zerolatency -vcodec libx264 -an -movflags empty_moov+frag_keyframe+default_base_moof -f mp4 # -rtsp_transport tcp
-    download: -thread_queue_size 128 -i
+    download: -thread_queue_size 128 -fflags +genpts -enc_time_base -1 -i
   debug:
     download: false
     input: false