diff --git a/KsyunPlayerDemo/.idea/misc.xml b/KsyunPlayerDemo/.idea/misc.xml
deleted file mode 100644
index cc72de3..0000000
--- a/KsyunPlayerDemo/.idea/misc.xml
+++ /dev/null
@@ -1,49 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<project version="4">
-  <component name="NullableNotNullManager">
-    <option name="myDefaultNullable" value="android.support.annotation.Nullable" />
-    <option name="myDefaultNotNull" value="android.support.annotation.NonNull" />
-    <option name="myNullables">
-      <value>
-        <list size="4">
-          <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.Nullable" />
-          <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nullable" />
-          <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.Nullable" />
-          <item index="3" class="java.lang.String" itemvalue="android.support.annotation.Nullable" />
-        </list>
-      </value>
-    </option>
-    <option name="myNotNulls">
-      <value>
-        <list size="4">
-          <item index="0" class="java.lang.String" itemvalue="org.jetbrains.annotations.NotNull" />
-          <item index="1" class="java.lang.String" itemvalue="javax.annotation.Nonnull" />
-          <item index="2" class="java.lang.String" itemvalue="edu.umd.cs.findbugs.annotations.NonNull" />
-          <item index="3" class="java.lang.String" itemvalue="android.support.annotation.NonNull" />
-        </list>
-      </value>
-    </option>
-  </component>
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_1_7" default="true" project-jdk-name="1.8" project-jdk-type="JavaSDK">
-    <output url="file://$PROJECT_DIR$/build/classes" />
-  </component>
-  <component name="ProjectType">
-    <option name="id" value="Android" />
-  </component>
-  <component name="masterDetails">
-    <states>
-      <state key="ProjectJDKs.UI">
-        <settings>
-          <last-edited>1.8</last-edited>
-          <splitter-proportions>
-            <option name="proportions">
-              <list>
-                <option value="0.2" />
-              </list>
-            </option>
-          </splitter-proportions>
-        </settings>
-      </state>
-    </states>
-  </component>
-</project>
\ No newline at end of file
diff --git a/KsyunPlayerDemo/app/build.gradle b/KsyunPlayerDemo/app/build.gradle
index c9cbff9..708027e 100644
--- a/KsyunPlayerDemo/app/build.gradle
+++ b/KsyunPlayerDemo/app/build.gradle
@@ -8,8 +8,8 @@ android {
         applicationId "com.ksyun.player.demo"
         minSdkVersion 16
         targetSdkVersion 22
-        versionCode 220
-        versionName "2.2.0"
+        versionCode 221
+        versionName "2.2.1"
 
         ndk {
             abiFilters 'armeabi-v7a', 'arm64-v8a'
diff --git a/KsyunPlayerDemo/playerlib/libs/arm64-v8a/libksyplayer.so b/KsyunPlayerDemo/playerlib/libs/arm64-v8a/libksyplayer.so
index 373fb24..4ef1c29 100755
Binary files a/KsyunPlayerDemo/playerlib/libs/arm64-v8a/libksyplayer.so and b/KsyunPlayerDemo/playerlib/libs/arm64-v8a/libksyplayer.so differ
diff --git a/KsyunPlayerDemo/playerlib/libs/armeabi-v7a/libksyplayer.so b/KsyunPlayerDemo/playerlib/libs/armeabi-v7a/libksyplayer.so
index a0d2b4f..78d0106 100755
Binary files a/KsyunPlayerDemo/playerlib/libs/armeabi-v7a/libksyplayer.so and b/KsyunPlayerDemo/playerlib/libs/armeabi-v7a/libksyplayer.so differ
diff --git a/KsyunPlayerDemo/playerlib/libs/libksyplayer.jar b/KsyunPlayerDemo/playerlib/libs/libksyplayer.jar
index 5ca6e5e..d640b3f 100644
Binary files a/KsyunPlayerDemo/playerlib/libs/libksyplayer.jar and b/KsyunPlayerDemo/playerlib/libs/libksyplayer.jar differ