diff --git a/NEWS.md b/NEWS.md
index 3f720e83ffebb753f8b7e1c030ccc6bcbb49ba6a..4059084516b528c3a8ea4c5ce5da027c15f8761d 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,6 +1,11 @@
 tag next
 --------------------------------
 
+tag k0.6.3
+--------------------------------
+- ffmpeg: fix crash happened in xcode8
+- player: rewrite ijkversion
+
 tag k0.6.2
 --------------------------------
 - ffmpeg: fix wild pointer when decoder was not found
diff --git a/README.md b/README.md
index 496d93613d4e22c5d4d21438e903e9835d5edc07..1fca74d453266d668c8065d35d5e635ca250e03e 100644
--- a/README.md
+++ b/README.md
@@ -21,17 +21,17 @@ allprojects {
 
 dependencies {
     # required, enough for most devices.
-    compile 'tv.danmaku.ijk.media:ijkplayer-java:0.6.2'
-    compile 'tv.danmaku.ijk.media:ijkplayer-armv7a:0.6.2'
+    compile 'tv.danmaku.ijk.media:ijkplayer-java:0.6.3'
+    compile 'tv.danmaku.ijk.media:ijkplayer-armv7a:0.6.3'
 
     # Other ABIs: optional
-    compile 'tv.danmaku.ijk.media:ijkplayer-armv5:0.6.2'
-    compile 'tv.danmaku.ijk.media:ijkplayer-arm64:0.6.2'
-    compile 'tv.danmaku.ijk.media:ijkplayer-x86:0.6.2'
-    compile 'tv.danmaku.ijk.media:ijkplayer-x86_64:0.6.2'
+    compile 'tv.danmaku.ijk.media:ijkplayer-armv5:0.6.3'
+    compile 'tv.danmaku.ijk.media:ijkplayer-arm64:0.6.3'
+    compile 'tv.danmaku.ijk.media:ijkplayer-x86:0.6.3'
+    compile 'tv.danmaku.ijk.media:ijkplayer-x86_64:0.6.3'
 
     # ExoPlayer as IMediaPlayer: optional, experimental
-    compile 'tv.danmaku.ijk.media:ijkplayer-exo:0.6.2'
+    compile 'tv.danmaku.ijk.media:ijkplayer-exo:0.6.3'
 }
 ```
 - iOS
@@ -137,7 +137,7 @@ sudo dpkg-reconfigure dash
 ```
 git clone https://github.com/Bilibili/ijkplayer.git ijkplayer-android
 cd ijkplayer-android
-git checkout -B latest k0.6.2
+git checkout -B latest k0.6.3
 
 ./init-android.sh
 
@@ -191,7 +191,7 @@ cd ..
 ```
 git clone https://github.com/Bilibili/ijkplayer.git ijkplayer-ios
 cd ijkplayer-ios
-git checkout -B latest k0.6.2
+git checkout -B latest k0.6.3
 
 ./init-ios.sh
 
diff --git a/android/ijkplayer/build.gradle b/android/ijkplayer/build.gradle
index ccc19bed3e3b99ac3729538603156de47f3cffcd..7d0da7accd909e3136aaa7c9a23ef0a58b295620 100644
--- a/android/ijkplayer/build.gradle
+++ b/android/ijkplayer/build.gradle
@@ -26,8 +26,8 @@ ext {
 
     targetSdkVersion = 23
 
-    versionCode = 602000
-    versionName = "0.6.2"
+    versionCode = 603000
+    versionName = "0.6.3"
 }
 
 wrapper {
diff --git a/android/ijkplayer/gradle.properties b/android/ijkplayer/gradle.properties
index 975277e7f16dda80eb81b7c6f3a2027160a2b2d4..8f7422bfac9bb8f4293f1a09b787ad9b455e9e49 100644
--- a/android/ijkplayer/gradle.properties
+++ b/android/ijkplayer/gradle.properties
@@ -17,8 +17,8 @@
 # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
 # org.gradle.parallel=true
 
-VERSION_NAME=0.6.2
-VERSION_CODE=602000
+VERSION_NAME=0.6.3
+VERSION_CODE=603000
 GROUP=tv.danmaku.ijk.media
 
 # http://central.sonatype.org/pages/requirements.html
diff --git a/android/ijkplayer/ijkplayer-example/build.gradle b/android/ijkplayer/ijkplayer-example/build.gradle
index c374e7c92d7d116ed2c525687f98b3c381cda6b5..f03a78c58bd8782c75dfc6aeb89540d683e7cfcf 100644
--- a/android/ijkplayer/ijkplayer-example/build.gradle
+++ b/android/ijkplayer/ijkplayer-example/build.gradle
@@ -54,18 +54,18 @@ dependencies {
     all64Compile project(':ijkplayer-x86')
     all64Compile project(':ijkplayer-x86_64')
 
-    // compile 'tv.danmaku.ijk.media:ijkplayer-java:0.6.2'
-    // compile 'tv.danmaku.ijk.media:ijkplayer-exo:0.6.2'
+    // compile 'tv.danmaku.ijk.media:ijkplayer-java:0.6.3'
+    // compile 'tv.danmaku.ijk.media:ijkplayer-exo:0.6.3'
 
-    // all32Compile 'tv.danmaku.ijk.media:ijkplayer-armv5:0.6.2'
-    // all32Compile 'tv.danmaku.ijk.media:ijkplayer-armv7a:0.6.2'
-    // all32Compile 'tv.danmaku.ijk.media:ijkplayer-x86:0.6.2'
+    // all32Compile 'tv.danmaku.ijk.media:ijkplayer-armv5:0.6.3'
+    // all32Compile 'tv.danmaku.ijk.media:ijkplayer-armv7a:0.6.3'
+    // all32Compile 'tv.danmaku.ijk.media:ijkplayer-x86:0.6.3'
 
-    // all64Compile 'tv.danmaku.ijk.media:ijkplayer-armv5:0.6.2'
-    // all64Compile 'tv.danmaku.ijk.media:ijkplayer-armv7a:0.6.2'
-    // all64Compile 'tv.danmaku.ijk.media:ijkplayer-arm64:0.6.2'
-    // all64Compile 'tv.danmaku.ijk.media:ijkplayer-x86:0.6.2'
-    // all64Compile 'tv.danmaku.ijk.media:ijkplayer-x86_64:0.6.2'
+    // all64Compile 'tv.danmaku.ijk.media:ijkplayer-armv5:0.6.3'
+    // all64Compile 'tv.danmaku.ijk.media:ijkplayer-armv7a:0.6.3'
+    // all64Compile 'tv.danmaku.ijk.media:ijkplayer-arm64:0.6.3'
+    // all64Compile 'tv.danmaku.ijk.media:ijkplayer-x86:0.6.3'
+    // all64Compile 'tv.danmaku.ijk.media:ijkplayer-x86_64:0.6.3'
 
     // armv5Compile project(':player-armv5')
     // armv7aCompile project(':player-armv7a')
diff --git a/android/ijkplayer/ijkplayer-exo/build.gradle b/android/ijkplayer/ijkplayer-exo/build.gradle
index 280111df9711e4e1521bc520865da9040d758c15..eaf3c487d88c4a6b5a75e26c64e025d85bd8eef2 100644
--- a/android/ijkplayer/ijkplayer-exo/build.gradle
+++ b/android/ijkplayer/ijkplayer-exo/build.gradle
@@ -28,7 +28,7 @@ dependencies {
     compile 'com.google.android.exoplayer:exoplayer:r1.5.11'
 
     compile project(':ijkplayer-java')
-    // compile 'tv.danmaku.ijk.media:ijkplayer-java:0.6.2'
+    // compile 'tv.danmaku.ijk.media:ijkplayer-java:0.6.3'
 }
 
 gradle.startParameter.taskNames.each { task ->
diff --git a/version.sh b/version.sh
index 7e68d740d409bcdd5718f73a27cb0360dcc9851d..c2605303ff563d8658a57f380a084d3d14340b0d 100755
--- a/version.sh
+++ b/version.sh
@@ -2,8 +2,8 @@
 
 set -e
 
-VERSION_CODE=602000
-VERSION_NAME=0.6.2
+VERSION_CODE=603000
+VERSION_NAME=0.6.3
 VERSION_TARGET=$1
 
 do_version_readme() {