diff --git a/13.Demokit/1.Deploy_demokit/mirisconf/recorderd/room-a.json b/13.Demokit/1.Deploy_demokit/mirisconf/recorderd/room-a.json
index f166f482fc58347304513cdd59faf00f05448f47..1ad79d786d2365b65780f7bcc02255f603620da1 100755
--- a/13.Demokit/1.Deploy_demokit/mirisconf/recorderd/room-a.json
+++ b/13.Demokit/1.Deploy_demokit/mirisconf/recorderd/room-a.json
@@ -124,7 +124,7 @@
             "height": 1440,
             "framerate": 30,
             "h264profile": "baseline",
-            "video_bitrate": 16000000,
+            "video_bitrate": 5000000,
             "audio_bitrate": 128000
         },
         {
@@ -132,7 +132,7 @@
             "height": 1080,
             "framerate": 30,
             "h264profile": "baseline",
-            "video_bitrate": 8000000,
+            "video_bitrate": 4000000,
             "audio_bitrate": 128000
         },
         {
@@ -140,7 +140,7 @@
             "height": 720,
             "framerate": 30,
             "h264profile": "baseline",
-            "video_bitrate": 4000000,
+            "video_bitrate": 2500000,
             "audio_bitrate": 128000
         },
         {