diff --git a/app/src/main/java/com/ooolab/whatiswhat/MainActivity.java b/app/src/main/java/com/ooolab/whatiswhat/MainActivity.java
index c01f5ab..aa2a0cc 100644
--- a/app/src/main/java/com/ooolab/whatiswhat/MainActivity.java
+++ b/app/src/main/java/com/ooolab/whatiswhat/MainActivity.java
@@ -92,6 +92,8 @@ public void afterTextChanged(Editable s) {
 
             }
         });
+        // 默认启动识别
+        findViewById(R.id.input_btn).callOnClick();
     }
 
     @Override
@@ -144,7 +146,7 @@ public void onInputBtnClick(View v) {
         mWebView.onPause();
         // 隐藏报错信息
         hideInfo();
-        // 如果
+        // 直接使用成员变量，避免初始化开销，待优化s
         if (mSpeechSynthesizer != null) {
             mSpeechSynthesizer.stop();
         }
@@ -319,6 +321,7 @@ public void onSpeechFinish(String arg0) {
             @Override
             public void run() {
                 hideInfo();
+                mWebView.onResume();
             }
         });
     }
@@ -332,6 +335,12 @@ public void onSpeechProgressChanged(String arg0, int arg1) {
     public void onSpeechStart(String arg0) {
         // 监听到合成并播放开始，在此添加相关操作
         Log.d(TAG, "onSpeechStart: ");
+        runOnUiThread(new Runnable() {
+            @Override
+            public void run() {
+                mWebView.onPause();
+            }
+        });
     }
 
     @Override
diff --git a/app/src/main/res/layout/fragment_main.xml b/app/src/main/res/layout/fragment_main.xml
index 8dda400..4573291 100644
--- a/app/src/main/res/layout/fragment_main.xml
+++ b/app/src/main/res/layout/fragment_main.xml
@@ -23,7 +23,6 @@
             android:layout_alignParentLeft="true"
             android:layout_alignParentStart="true"
             android:layout_toLeftOf="@+id/input_btn"
-            android:layout_toStartOf="@+id/input_btn"
             android:gravity="center_vertical"
             android:text="@string/app_name"
             android:textColor="@color/textColorPrimary"
diff --git a/app/src/main/res/mipmap-hdpi/ic_launcher.png b/app/src/main/res/mipmap-hdpi/ic_launcher.png
index cde69bc..8d1be6a 100644
Binary files a/app/src/main/res/mipmap-hdpi/ic_launcher.png and b/app/src/main/res/mipmap-hdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-mdpi/ic_launcher.png b/app/src/main/res/mipmap-mdpi/ic_launcher.png
index c133a0c..25e4c0a 100644
Binary files a/app/src/main/res/mipmap-mdpi/ic_launcher.png and b/app/src/main/res/mipmap-mdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xhdpi/ic_launcher.png b/app/src/main/res/mipmap-xhdpi/ic_launcher.png
index bfa42f0..55e153d 100644
Binary files a/app/src/main/res/mipmap-xhdpi/ic_launcher.png and b/app/src/main/res/mipmap-xhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
index 324e72c..2e410e6 100644
Binary files a/app/src/main/res/mipmap-xxhdpi/ic_launcher.png and b/app/src/main/res/mipmap-xxhdpi/ic_launcher.png differ
diff --git a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
index aee44e1..95da0fa 100644
Binary files a/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png and b/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png differ