diff --git a/library-vlc/src/main/java/com/yinuo/library/vlc/RtspHelper.java b/library-vlc/src/main/java/com/yinuo/library/vlc/RtspHelper.java
index 4bdbdb8..6b024ca 100644
--- a/library-vlc/src/main/java/com/yinuo/library/vlc/RtspHelper.java
+++ b/library-vlc/src/main/java/com/yinuo/library/vlc/RtspHelper.java
@@ -52,7 +52,7 @@ public class RtspHelper {
             options.add("--audio-time-stretch"); // time stretching
             options.add("-vvv"); // verbosity
             options.add("--file-caching=2000");
-            options.add("--rtsp-frame-buffer-size=80000");
+            options.add("--rtsp-frame-buffer-size=81920");
             options.add("--rtsp-tcp");
             mVlc = new LibVLC(Objects.requireNonNull(CommonApplication.Companion.getContext()), options);
 
@@ -67,7 +67,7 @@ public class RtspHelper {
             });
 
             Media m = new Media(mVlc, Uri.parse(url));
-            int cache = 150;
+            int cache = 100;
             m.addOption(":network-caching=" + cache);
             m.addOption(":live-cacheing=" + cache);
             m.addOption(":sout-mux-caching=" + cache);