diff --git a/AquaMai/AquaMai.csproj b/AquaMai/AquaMai.csproj
index e0ae62e0..fabd9e6c 100644
--- a/AquaMai/AquaMai.csproj
+++ b/AquaMai/AquaMai.csproj
@@ -338,6 +338,7 @@ DEBUG</DefineConstants>
     <Compile Include="Utils\SelectionDetail.cs" />
     <Compile Include="Utils\ShowNetErrorDetail.cs" />
     <Compile Include="UX\CustomFont.cs" />
+    <Compile Include="UX\CustomLogo.cs" />
     <Compile Include="UX\CustomNoteSkin.cs" />
     <Compile Include="UX\CustomPlaceName.cs" />
     <Compile Include="UX\CustomVersionString.cs" />
diff --git a/AquaMai/Main.cs b/AquaMai/Main.cs
index 935a0c88..a94cab76 100644
--- a/AquaMai/Main.cs
+++ b/AquaMai/Main.cs
@@ -164,6 +164,7 @@ namespace AquaMai
             Patch(typeof(CustomVersionString));
             Patch(typeof(CustomPlaceName));
             Patch(typeof(RunCommandOnEvents));
+            Patch(typeof(CustomLogo));
             // Utils
             Patch(typeof(JudgeAdjust));
 # if DEBUG
diff --git a/AquaMai/UX/CustomLogo.cs b/AquaMai/UX/CustomLogo.cs
new file mode 100644
index 00000000..9d6d42c5
--- /dev/null
+++ b/AquaMai/UX/CustomLogo.cs
@@ -0,0 +1,57 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using HarmonyLib;
+using Monitor;
+using Process;
+using UnityEngine;
+using UnityEngine.UI;
+
+namespace AquaMai.UX;
+
+public class CustomLogo
+{
+    private static List<Sprite> segaLogo = new();
+    private static List<Sprite> allNetLogo = new();
+
+    public static void DoCustomPatch(HarmonyLib.Harmony h)
+    {
+        EnumSprite(segaLogo, Path.Combine(Environment.CurrentDirectory, "LocalAssets", "SegaLogo"));
+        EnumSprite(allNetLogo, Path.Combine(Environment.CurrentDirectory, "LocalAssets", "AllNetLogo"));
+    }
+
+    private static void EnumSprite(List<Sprite> collection, string path)
+    {
+        if (!Directory.Exists(path)) return;
+        foreach (var file in Directory.EnumerateFiles(path, "*.png"))
+        {
+            var data = File.ReadAllBytes(file);
+            var texture2D = new Texture2D(1, 1, TextureFormat.RGBA32, false);
+            if (texture2D.LoadImage(data))
+            {
+                collection.Add(Sprite.Create(texture2D, new Rect(0f, 0f, texture2D.width, texture2D.height), new Vector2(0.5f, 0.5f)));
+            }
+        }
+    }
+
+    [HarmonyPatch(typeof(AdvertiseProcess), "OnStart")]
+    [HarmonyPostfix]
+    private static void AdvProcessPostFix(AdvertiseMonitor[] ____monitors)
+    {
+        if (segaLogo.Count > 0)
+        {
+            foreach (var monitor in ____monitors)
+            {
+                monitor.transform.Find("Canvas/Main/SegaAllNet_LOGO/NUL_ADT_SegaAllNet_LOGO/SegaLogo").GetComponent<Image>().sprite = segaLogo[UnityEngine.Random.Range(0, segaLogo.Count)];
+            }
+        }
+
+        if (allNetLogo.Count > 0)
+        {
+            foreach (var monitor in ____monitors)
+            {
+                monitor.transform.Find("Canvas/Main/SegaAllNet_LOGO/NUL_ADT_SegaAllNet_LOGO/AllNetLogo").GetComponent<Image>().sprite = (allNetLogo[UnityEngine.Random.Range(0, allNetLogo.Count)]);
+            }
+        }
+    }
+}
diff --git a/AquaMai/UX/RandomBgm.cs b/AquaMai/UX/RandomBgm.cs
index 0f62a15a..1b5322cc 100644
--- a/AquaMai/UX/RandomBgm.cs
+++ b/AquaMai/UX/RandomBgm.cs
@@ -12,7 +12,6 @@ namespace AquaMai.UX
     public class RandomBgm
     {
         private static List<string> _acbs = new List<string>();
-        private static Random _rng = new Random();
 
         [HarmonyPostfix]
         [HarmonyPatch(typeof(SoundManager), "Initialize")]
@@ -43,7 +42,7 @@ namespace AquaMai.UX
                 case Cue.BGM_COLLECTION:
                 case Cue.BGM_RESULT_CLEAR:
                 case Cue.BGM_RESULT:
-                    var acb = _acbs[_rng.Next(_acbs.Count)];
+                    var acb = _acbs[UnityEngine.Random.Range(0, _acbs.Count)];
                     acbID = SoundManager.AcbID.Max;
                     var result = Singleton<SoundCtrl>.Instance.LoadCueSheet((int)acbID, acb);
                     MelonLogger.Msg($"Picked {acb} for {cueIndex}, result: {result}");