diff --git a/app/build.gradle b/app/build.gradle
index b955878..5511e40 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -25,6 +25,6 @@ android {
 dependencies {
     compile fileTree(dir: 'libs', include: ['*.jar'])
     testCompile 'junit:junit:4.12'
-    compile 'com.android.support:appcompat-v7:25.1.0'
+    compile 'com.android.support:appcompat-v7:25.1.1'
     compile project(path: ':library')
 }
diff --git a/app/src/main/java/net/ossrs/yasea/demo/MainActivity.java b/app/src/main/java/net/ossrs/yasea/demo/MainActivity.java
index f8899be..99f4341 100644
--- a/app/src/main/java/net/ossrs/yasea/demo/MainActivity.java
+++ b/app/src/main/java/net/ossrs/yasea/demo/MainActivity.java
@@ -84,8 +84,8 @@ public class MainActivity extends AppCompatActivity implements RtmpHandler.RtmpL
                     editor.putString("rtmpUrl", rtmpUrl);
                     editor.apply();
 
-                    mPublisher.startCamera();
                     mPublisher.startPublish(rtmpUrl);
+                    mPublisher.startCamera();
 
                     if (btnSwitchEncoder.getText().toString().contentEquals("soft encoder")) {
                         Toast.makeText(getApplicationContext(), "Use hard encoder", Toast.LENGTH_SHORT).show();
@@ -243,8 +243,8 @@ public class MainActivity extends AppCompatActivity implements RtmpHandler.RtmpL
         btnRecord.setText("record");
         mPublisher.setScreenOrientation(newConfig.orientation);
         if (btnPublish.getText().toString().contentEquals("stop")) {
-            mPublisher.startCamera();
             mPublisher.startEncode();
+            mPublisher.startCamera();
         }
     }
 
diff --git a/library/build.gradle b/library/build.gradle
index 7a393d7..000cdc6 100644
--- a/library/build.gradle
+++ b/library/build.gradle
@@ -28,6 +28,6 @@ dependencies {
     androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
         exclude group: 'com.android.support', module: 'support-annotations'
     })
-    compile 'com.android.support:appcompat-v7:25.1.0'
+    compile 'com.android.support:appcompat-v7:25.1.1'
     testCompile 'junit:junit:4.12'
 }