diff --git a/PLDroidPlayerDemo/app/build.gradle b/PLDroidPlayerDemo/app/build.gradle
index 31bf75a..57a8618 100644
--- a/PLDroidPlayerDemo/app/build.gradle
+++ b/PLDroidPlayerDemo/app/build.gradle
@@ -9,7 +9,7 @@ android {
         minSdkVersion 14
         targetSdkVersion 27
         versionCode 12
-        versionName "2.1.7"
+        versionName "2.1.8"
         buildConfigField "long", "BUILD_TIMESTAMP", System.currentTimeMillis() + "L"
     }
     buildTypes {
@@ -27,7 +27,7 @@ android {
 }
 
 dependencies {
-    implementation files('libs/pldroid-player-2.1.7.jar')
+    implementation files('libs/pldroid-player-2.1.8.jar')
     implementation 'com.android.support:appcompat-v7:27.1.0'
     implementation 'com.android.support:recyclerview-v7:27.1.0'
     implementation 'com.journeyapps:zxing-android-embedded:3.0.2@aar'
diff --git a/PLDroidPlayerDemo/app/libs/pldroid-player-2.1.7.jar b/PLDroidPlayerDemo/app/libs/pldroid-player-2.1.8.jar
similarity index 60%
rename from PLDroidPlayerDemo/app/libs/pldroid-player-2.1.7.jar
rename to PLDroidPlayerDemo/app/libs/pldroid-player-2.1.8.jar
index bc317ac..132f402 100644
Binary files a/PLDroidPlayerDemo/app/libs/pldroid-player-2.1.7.jar and b/PLDroidPlayerDemo/app/libs/pldroid-player-2.1.8.jar differ
diff --git a/PLDroidPlayerDemo/app/src/main/java/com/pili/pldroid/playerdemo/MainActivity.java b/PLDroidPlayerDemo/app/src/main/java/com/pili/pldroid/playerdemo/MainActivity.java
index e125de9..6284d41 100644
--- a/PLDroidPlayerDemo/app/src/main/java/com/pili/pldroid/playerdemo/MainActivity.java
+++ b/PLDroidPlayerDemo/app/src/main/java/com/pili/pldroid/playerdemo/MainActivity.java
@@ -30,7 +30,7 @@
 public class MainActivity extends AppCompatActivity {
 
     private static final String TAG = "MainActivity";
-    private static final String DEFAULT_TEST_URL = "rtmp://live.hkstv.hk.lxdns.com/live/hks";
+    private static final String DEFAULT_TEST_URL = "rtmp://live.hkstv.hk.lxdns.com/live/hks1";
 
     private Spinner mActivitySpinner;
     private EditText mEditText;
diff --git a/PLDroidPlayerDemo/app/src/main/java/com/pili/pldroid/playerdemo/PLVideoTextureActivity.java b/PLDroidPlayerDemo/app/src/main/java/com/pili/pldroid/playerdemo/PLVideoTextureActivity.java
index aaa32d1..8848435 100644
--- a/PLDroidPlayerDemo/app/src/main/java/com/pili/pldroid/playerdemo/PLVideoTextureActivity.java
+++ b/PLDroidPlayerDemo/app/src/main/java/com/pili/pldroid/playerdemo/PLVideoTextureActivity.java
@@ -275,4 +275,4 @@ public void run() {
             }
         });
     }
-}
\ No newline at end of file
+}
diff --git a/PLDroidPlayerDemo/app/src/main/jniLibs/arm64-v8a/libQPlayer.so b/PLDroidPlayerDemo/app/src/main/jniLibs/arm64-v8a/libQPlayer.so
index a852410..6969ba9 100755
Binary files a/PLDroidPlayerDemo/app/src/main/jniLibs/arm64-v8a/libQPlayer.so and b/PLDroidPlayerDemo/app/src/main/jniLibs/arm64-v8a/libQPlayer.so differ
diff --git a/PLDroidPlayerDemo/app/src/main/jniLibs/armeabi-v7a/libQPlayer.so b/PLDroidPlayerDemo/app/src/main/jniLibs/armeabi-v7a/libQPlayer.so
index 547fa28..e8b40a5 100755
Binary files a/PLDroidPlayerDemo/app/src/main/jniLibs/armeabi-v7a/libQPlayer.so and b/PLDroidPlayerDemo/app/src/main/jniLibs/armeabi-v7a/libQPlayer.so differ
diff --git a/PLDroidPlayerDemo/app/src/main/jniLibs/armeabi/libQPlayer.so b/PLDroidPlayerDemo/app/src/main/jniLibs/armeabi/libQPlayer.so
index f78f1ba..922084a 100755
Binary files a/PLDroidPlayerDemo/app/src/main/jniLibs/armeabi/libQPlayer.so and b/PLDroidPlayerDemo/app/src/main/jniLibs/armeabi/libQPlayer.so differ
diff --git a/PLDroidPlayerDemo/app/src/main/jniLibs/x86/libQPlayer.so b/PLDroidPlayerDemo/app/src/main/jniLibs/x86/libQPlayer.so
index cf08100..bd35583 100755
Binary files a/PLDroidPlayerDemo/app/src/main/jniLibs/x86/libQPlayer.so and b/PLDroidPlayerDemo/app/src/main/jniLibs/x86/libQPlayer.so differ
diff --git a/ReleaseNotes/release-notes-2.1.8.md b/ReleaseNotes/release-notes-2.1.8.md
new file mode 100644
index 0000000..d210f0e
--- /dev/null
+++ b/ReleaseNotes/release-notes-2.1.8.md
@@ -0,0 +1,20 @@
+# PLDroidPlayer Release Notes for 2.1.8
+
+本次更新:
+
+## 说明
+
+- 从 v2.0.0 版本开始，全面升级为七牛自研的播放器内核，拥有更优异的性能
+
+## 版本
+
+- 发布 pldroid-player-2.1.8.jar
+- 更新 libQPlayer.so
+
+## 优化
+
+- 优化了部分 FLV 流播放流畅度
+
+## 缺陷
+
+- 修复了部分场景的空指针异常
\ No newline at end of file
diff --git a/releases/arm64-v8a/libQPlayer.so b/releases/arm64-v8a/libQPlayer.so
index a852410..6969ba9 100755
Binary files a/releases/arm64-v8a/libQPlayer.so and b/releases/arm64-v8a/libQPlayer.so differ
diff --git a/releases/armeabi-v7a/libQPlayer.so b/releases/armeabi-v7a/libQPlayer.so
index 547fa28..e8b40a5 100755
Binary files a/releases/armeabi-v7a/libQPlayer.so and b/releases/armeabi-v7a/libQPlayer.so differ
diff --git a/releases/armeabi/libQPlayer.so b/releases/armeabi/libQPlayer.so
index f78f1ba..922084a 100755
Binary files a/releases/armeabi/libQPlayer.so and b/releases/armeabi/libQPlayer.so differ
diff --git a/releases/pldroid-player-2.1.7.jar b/releases/pldroid-player-2.1.8.jar
similarity index 60%
rename from releases/pldroid-player-2.1.7.jar
rename to releases/pldroid-player-2.1.8.jar
index bc317ac..132f402 100644
Binary files a/releases/pldroid-player-2.1.7.jar and b/releases/pldroid-player-2.1.8.jar differ
diff --git a/releases/x86/libQPlayer.so b/releases/x86/libQPlayer.so
index cf08100..bd35583 100755
Binary files a/releases/x86/libQPlayer.so and b/releases/x86/libQPlayer.so differ