diff --git a/README.md b/README.md
index c0b1d02..d2f96a3 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,9 @@
 A streaming digital human based on the Ernerf model， realize audio video synchronous dialogue. It can basically achieve commercial effects.  
 基于ernerf模型的流式数字人，实现音视频同步对话。基本可以达到商用效果
 
+<video id="video" controls="" preload="none" poster="封面">
+      <source id="mp4" src="assets/demo.mp4" type="video/mp4">
+</video>
 
 ## Installation
 
diff --git a/assets/demo.mp4 b/assets/demo.mp4
new file mode 100644
index 0000000..b2be78f
Binary files /dev/null and b/assets/demo.mp4 differ
diff --git a/nerfreal.py b/nerfreal.py
index 9a400b7..81e924d 100644
--- a/nerfreal.py
+++ b/nerfreal.py
@@ -64,7 +64,7 @@ class NeRFReal:
         sc.stream_height = self.H
         sc.stream_fps = fps
         sc.stream_bitrate = 1000000
-        sc.stream_profile = 'main' #'high444' # 'main'
+        sc.stream_profile = 'baseline' #'high444' # 'main'
         sc.audio_channel = 1
         sc.sample_rate = 16000
         sc.stream_server = opt.push_url
@@ -178,7 +178,7 @@ class NeRFReal:
                 for _ in range(2):
                     self.asr.run_step()
             self.test_step()
-            delay = 0.04 - (time.time() - t) #40ms
-            if delay > 0:
-                time.sleep(delay)
+            # delay = 0.04 - (time.time() - t) #40ms
+            # if delay > 0:
+            #     time.sleep(delay)
             
\ No newline at end of file