diff --git a/.safedk/hashes.safedk b/.safedk/hashes.safedk
index 474f598..ad440ef 100644
--- a/.safedk/hashes.safedk
+++ b/.safedk/hashes.safedk
@@ -1,2 +1,2 @@
-#Tue Oct 08 14:40:01 CST 2024
-json=-2012395295
+#Sat Oct 12 11:00:37 CST 2024
+json=-780482554
diff --git a/.safedk/plugin.properties b/.safedk/plugin.properties
index 7a0dbc0..d6f9cd4 100644
--- a/.safedk/plugin.properties
+++ b/.safedk/plugin.properties
@@ -1,5 +1,5 @@
 #
-#Tue Oct 08 14:40:01 CST 2024
+#Sat Oct 12 11:00:37 CST 2024
 sdk_analysis_plugin_version=5.5.0
 set_multidex=true
 y87o4e7vb5bbqzuGVTFyOIfZiyBG0Nf0Ksq8S3m2MJOHf_A5BcWGJnKuQqoxwxVvtdQdiTC4O3MPzFwy8rJ9Cc=3cUMfTcsZKzlJevxK4IkNysgDAeQA4B5w332p3g8B9ZAgC54WQNZLVxuxnCx4sCHA5StLJnDTAFa68mFTi8rd8
diff --git a/app/build.gradle.kts b/app/build.gradle.kts
index a58d6df..ceb6cb8 100644
--- a/app/build.gradle.kts
+++ b/app/build.gradle.kts
@@ -26,7 +26,7 @@ android {
         applicationId = "com.sound.prankparty"
         minSdk = 23
         targetSdk = 34
-        versionCode = 9
+        versionCode = 10
         versionName = "1.0.2"
 
         testInstrumentationRunner = "androidx.test.runner.AndroidJUnitRunner"
diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 201cf2f..c7fd32e 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -23,6 +23,9 @@
         android:supportsRtl="true"
         android:theme="@style/Theme.PrankPartyDemo"
         tools:targetApi="31">
+        <activity
+            android:name=".Activity.MainActivity2"
+            android:exported="false" />
         <activity
             android:name=".Activity.PrivacyActivity"
             android:exported="false" />
@@ -42,7 +45,7 @@
             android:name=".Activity.MainActivity"
             android:exported="false" />
         <activity
-            android:name="com.sound.prankparty.Activity.SplashActivity"
+            android:name=".Activity.SplashActivity"
             android:exported="true"
             android:theme="@style/Theme.StartUp">
             <intent-filter>
diff --git a/app/src/main/java/com/sound/prankparty/Activity/MainActivity2.java b/app/src/main/java/com/sound/prankparty/Activity/MainActivity2.java
new file mode 100644
index 0000000..358172e
--- /dev/null
+++ b/app/src/main/java/com/sound/prankparty/Activity/MainActivity2.java
@@ -0,0 +1,36 @@
+package com.sound.prankparty.Activity;
+
+import android.os.Bundle;
+
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.recyclerview.widget.GridLayoutManager;
+
+import com.sound.prankparty.Adapter.Main2RecyclerViewAdapter;
+import com.sound.prankparty.JSON.Category;
+import com.sound.prankparty.Utils.JsonParser;
+import com.sound.prankparty.Utils.LoadJSON;
+import com.sound.prankparty.databinding.ActivityMain2Binding;
+
+import java.util.List;
+
+public class MainActivity2 extends AppCompatActivity {
+
+    private ActivityMain2Binding binding;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        super.onCreate(savedInstanceState);
+
+        binding = ActivityMain2Binding.inflate(getLayoutInflater());
+        setContentView(binding.getRoot());
+
+        // 从 assets 文件夹中读取 JSON 文件
+        String jsonString = LoadJSON.loadJSONFromAsset("prank.json");
+        // 解析读取的 String
+        List<Category> categories = JsonParser.parseJson(jsonString);
+
+        binding.mainRecycler.setLayoutManager(new GridLayoutManager(this, 1));
+        binding.mainRecycler.setAdapter(new Main2RecyclerViewAdapter(this, categories));
+
+    }
+}
\ No newline at end of file
diff --git a/app/src/main/java/com/sound/prankparty/Adapter/Main2RecyclerViewAdapter.java b/app/src/main/java/com/sound/prankparty/Adapter/Main2RecyclerViewAdapter.java
new file mode 100644
index 0000000..22dde8c
--- /dev/null
+++ b/app/src/main/java/com/sound/prankparty/Adapter/Main2RecyclerViewAdapter.java
@@ -0,0 +1,70 @@
+package com.sound.prankparty.Adapter;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.LinearLayoutManager;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.sound.prankparty.JSON.Category;
+import com.sound.prankparty.JSON.SoundItem;
+import com.sound.prankparty.R;
+
+import java.util.List;
+
+public class Main2RecyclerViewAdapter extends RecyclerView.Adapter<Main2RecyclerViewAdapter.Main2ViewHolder> {
+
+    private Context context;
+    private List<Category> categoryList;
+
+    public Main2RecyclerViewAdapter(Context context, List<Category> categoryList) {
+        this.context = context;
+        this.categoryList = categoryList;
+    }
+
+    @NonNull
+    @Override
+    public Main2ViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_main2, parent, false);
+        return new Main2ViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull Main2ViewHolder holder, int position) {
+        // 获取当前的 Category
+        Category category = categoryList.get(position);
+
+        // 设置Category相关的文字
+        holder.categoryName.setText(category.getCategoryName());
+
+        // 设置SoundItem的RecyclerView
+        List<SoundItem> soundItemList = category.getSoundItemList();  // 获取 Category 下的 SoundItem 列表
+        SubSoundItemRecyclerViewAdapter soundItemAdapter = new SubSoundItemRecyclerViewAdapter(context, soundItemList, category.getCategoryName());
+        holder.soundItemRecyclerView.setAdapter(soundItemAdapter);
+    }
+
+    @Override
+    public int getItemCount() {
+        return categoryList.size();
+    }
+
+    static class Main2ViewHolder extends RecyclerView.ViewHolder {
+
+        TextView categoryName;
+        RecyclerView soundItemRecyclerView;
+
+        public Main2ViewHolder(@NonNull View itemView) {
+            super(itemView);
+
+            categoryName = itemView.findViewById(R.id.item_textview_main2);
+            soundItemRecyclerView = itemView.findViewById(R.id.sound_item_recyclerview);
+
+            // 初始化嵌套的RecyclerView
+            soundItemRecyclerView.setLayoutManager(new LinearLayoutManager(itemView.getContext(), LinearLayoutManager.HORIZONTAL, false));
+        }
+    }
+}
diff --git a/app/src/main/java/com/sound/prankparty/Adapter/SubSoundItemRecyclerViewAdapter.java b/app/src/main/java/com/sound/prankparty/Adapter/SubSoundItemRecyclerViewAdapter.java
new file mode 100644
index 0000000..a1f4f0b
--- /dev/null
+++ b/app/src/main/java/com/sound/prankparty/Adapter/SubSoundItemRecyclerViewAdapter.java
@@ -0,0 +1,69 @@
+package com.sound.prankparty.Adapter;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import androidx.annotation.NonNull;
+import androidx.recyclerview.widget.RecyclerView;
+
+import com.bumptech.glide.Glide;
+import com.sound.prankparty.JSON.SoundItem;
+import com.sound.prankparty.R;
+
+import java.util.List;
+
+public class SubSoundItemRecyclerViewAdapter extends RecyclerView.Adapter<SubSoundItemRecyclerViewAdapter.SoundItemViewHolder> {
+
+    private Context context;
+    private List<SoundItem> soundItemList;
+    private String categoryName;  // 传递CategoryName
+
+    public SubSoundItemRecyclerViewAdapter(Context context, List<SoundItem> soundItemList, String categoryName) {
+        this.context = context;
+        this.soundItemList = soundItemList;
+        this.categoryName = categoryName;
+    }
+
+    @NonNull
+    @Override
+    public SoundItemViewHolder onCreateViewHolder(@NonNull ViewGroup parent, int viewType) {
+        View view = LayoutInflater.from(parent.getContext()).inflate(R.layout.item_sub_sound, parent, false);
+        return new SoundItemViewHolder(view);
+    }
+
+    @Override
+    public void onBindViewHolder(@NonNull SoundItemViewHolder holder, int position) {
+        SoundItem soundItem = soundItemList.get(position);
+
+        // 设置SoundItem的图片和标题
+        holder.soundTitle.setText(soundItem.getTitle());
+        holder.categoryName.setText(categoryName);  // 显示Category的名字
+
+        Glide.with(context)
+                .load(soundItem.getPreUrl())
+                .into(holder.imageView);
+    }
+
+    @Override
+    public int getItemCount() {
+        return soundItemList.size();
+    }
+
+    static class SoundItemViewHolder extends RecyclerView.ViewHolder {
+
+        TextView soundTitle;
+        TextView categoryName;
+        ImageView imageView;
+
+        public SoundItemViewHolder(@NonNull View itemView) {
+            super(itemView);
+            soundTitle = itemView.findViewById(R.id.sound_title);
+            categoryName = itemView.findViewById(R.id.category_name);
+            imageView = itemView.findViewById(R.id.sound_image);
+        }
+    }
+}
diff --git a/app/src/main/res/layout/activity_main2.xml b/app/src/main/res/layout/activity_main2.xml
new file mode 100644
index 0000000..e5d9046
--- /dev/null
+++ b/app/src/main/res/layout/activity_main2.xml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="utf-8"?>
+<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/main"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent"
+    tools:context=".Activity.MainActivity2">
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/main_recycler"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent" />
+
+
+</androidx.constraintlayout.widget.ConstraintLayout>
\ No newline at end of file
diff --git a/app/src/main/res/layout/item_main2.xml b/app/src/main/res/layout/item_main2.xml
new file mode 100644
index 0000000..729f036
--- /dev/null
+++ b/app/src/main/res/layout/item_main2.xml
@@ -0,0 +1,20 @@
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical">
+
+    <TextView
+        android:id="@+id/item_textview_main2"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="18sp"
+        android:textColor="#000"
+        android:text="Category Name"/>
+
+    <androidx.recyclerview.widget.RecyclerView
+        android:id="@+id/sound_item_recyclerview"
+        android:layout_width="match_parent"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"/>
+</LinearLayout>
diff --git a/app/src/main/res/layout/item_sub_sound.xml b/app/src/main/res/layout/item_sub_sound.xml
new file mode 100644
index 0000000..913ee5d
--- /dev/null
+++ b/app/src/main/res/layout/item_sub_sound.xml
@@ -0,0 +1,25 @@
+<LinearLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:orientation="vertical">
+
+    <TextView
+        android:id="@+id/category_name"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="14sp"
+        android:textColor="#000"/>
+
+    <ImageView
+        android:id="@+id/sound_image"
+        android:layout_width="match_parent"
+        android:layout_height="200dp"/>
+
+    <TextView
+        android:id="@+id/sound_title"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:textSize="16sp"
+        android:textColor="#000"/>
+</LinearLayout>