Android Studio RUN APK 出現 default activity not found

出現 default activity not found
在androidmanifest.xml內新增藍色部分，主要是因為找不到LAUNCHER

<activity android:name=".MainActivity">
    <intent-filter>
        <action android:name="android.intent.action.MAIN" />
        <action android:name="com.ashzheng.puzzle.MainActivity"/>
        <category android:name="android.intent.category.LAUNCHER" />
    </intent-filter>
</activity>

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