diff --git a/AxibugEmuOnline.Client/Assets/Resources/UIPrefabs/SubMenuItemTemplates/Game_NES_Template.prefab b/AxibugEmuOnline.Client/Assets/Resources/UIPrefabs/SubMenuItemTemplates/Game_NES_Template.prefab
index 5ef1fc3f..aa8146cd 100644
--- a/AxibugEmuOnline.Client/Assets/Resources/UIPrefabs/SubMenuItemTemplates/Game_NES_Template.prefab
+++ b/AxibugEmuOnline.Client/Assets/Resources/UIPrefabs/SubMenuItemTemplates/Game_NES_Template.prefab
@@ -476,7 +476,7 @@ MonoBehaviour:
   SelectScale: 1
   UnSelectScale: 1
   RomGroupRoot: {fileID: 3086674949377227884}
-  Platform: 0
+  Platform: 1
   SearchKey: 
 --- !u!114 &5700455559359757662
 MonoBehaviour:
diff --git a/AxibugEmuOnline.Client/Assets/Script/AppMain/IEmuCore.cs b/AxibugEmuOnline.Client/Assets/Script/AppMain/IEmuCore.cs
index 1583993d..44841572 100644
--- a/AxibugEmuOnline.Client/Assets/Script/AppMain/IEmuCore.cs
+++ b/AxibugEmuOnline.Client/Assets/Script/AppMain/IEmuCore.cs
@@ -7,18 +7,30 @@ namespace AxibugEmuOnline.Client
     {
         GameObject gameObject { get; }
 
+        /// <summary> 获得模拟器核心中的状态快照对象 </summary>
         object GetState();
+        /// <summary> 获得模拟器核心中的状态快照字节数据 </summary>
         byte[] GetStateBytes();
+        /// <summary> 加载状态快照 </summary>
+        /// <param name="state">该对象应该来自核心的<see cref="GetState"/>方法的返回值,或是从<see cref="GetStateBytes"/>返回的byte数组构建</param>
         void LoadState(object state);
+        /// <summary> 加载状态快照 </summary>
+        /// <param name="data">该对象应该来自核心的<see cref="GetStateBytes"/>返回的byte数组</param>
         void LoadStateFromBytes(byte[] data);
+        /// <summary> 暂停核心推帧 </summary>
         void Pause();
+        /// <summary> 恢复核心推帧(从Pause状态恢复) </summary>
         void Resume();
-        void SetupScheme();
+        /// <summary> 启动模拟器逻辑 </summary>
         MsgBool StartGame(RomFile romFile);
+        /// <summary> 重置核心,通常由模拟器核心提供的功能 </summary>
         void DoReset();
+        /// <summary> 获得模拟器核心的控制器设置器 </summary>
+        /// <returns></returns>
         IControllerSetuper GetControllerSetuper();
-
+        /// <summary> 核心所属平台 </summary>
         RomPlatformType Platform { get; }
+        /// <summary> 获取当前模拟器帧序号,在加载快照和Reset后,应当重置为0 </summary>
         uint Frame { get; }
     }
 
diff --git a/AxibugEmuOnline.Client/Assets/Script/AppMain/Manager/AppEmu.cs b/AxibugEmuOnline.Client/Assets/Script/AppMain/Manager/AppEmu.cs
index d994bb40..db5da709 100644
--- a/AxibugEmuOnline.Client/Assets/Script/AppMain/Manager/AppEmu.cs
+++ b/AxibugEmuOnline.Client/Assets/Script/AppMain/Manager/AppEmu.cs
@@ -63,7 +63,7 @@ namespace AxibugEmuOnline.Client.Manager
                 LaunchUI.Instance.HideMainMenu();
                 InGameUI.Instance.Show(romFile, m_emuCore);
 
-                m_emuCore.SetupScheme();
+                CommandDispatcher.Instance.Current = CommandDispatcher.Instance.Gaming;
 
                 m_controllerSetuper = m_emuCore.GetControllerSetuper();
 
diff --git a/AxibugEmuOnline.Client/Assets/Script/AppMain/Manager/AppSettings/ScreenScaler.cs b/AxibugEmuOnline.Client/Assets/Script/AppMain/Manager/AppSettings/ScreenScaler.cs
index afabf2e2..228542ab 100644
--- a/AxibugEmuOnline.Client/Assets/Script/AppMain/Manager/AppSettings/ScreenScaler.cs
+++ b/AxibugEmuOnline.Client/Assets/Script/AppMain/Manager/AppSettings/ScreenScaler.cs
@@ -32,6 +32,18 @@ namespace AxibugEmuOnline.Client
                 return (EnumScalerMode)setVal;
         }
 
+        public bool IsSetMode(RomPlatformType platform)
+        {
+            int setVal = PlayerPrefs.GetInt($"{nameof(ScreenScaler)}.PlatMode.{platform}", -1);
+            return setVal != -1;
+        }
+
+        public void SetMode(RomPlatformType platform, EnumScalerMode? mode)
+        {
+            int setVal = mode == null ? -1 : (int)mode;
+            PlayerPrefs.SetInt($"{nameof(ScreenScaler)}.PlatMode.{platform}", setVal);
+        }
+
         /// <summary>
         /// 根据缩放模式设置UI的缩放
         /// </summary>
diff --git a/AxibugEmuOnline.Client/Assets/Script/AppMain/Manager/RomLib/RomLib.cs b/AxibugEmuOnline.Client/Assets/Script/AppMain/Manager/RomLib/RomLib.cs
index 3df00135..fef19578 100644
--- a/AxibugEmuOnline.Client/Assets/Script/AppMain/Manager/RomLib/RomLib.cs
+++ b/AxibugEmuOnline.Client/Assets/Script/AppMain/Manager/RomLib/RomLib.cs
@@ -135,10 +135,7 @@ namespace AxibugEmuOnline.Client
                     {
                         FetchPageCmd.Remove(page);
                         SaveRomInfoFromWeb(resp);
-                    },
-                    //TODO 平台参数
-                    AxibugProtobuf.RomPlatformType.Nes,
-                    lastSearchKey, pageNo, PAGE_SIZE);
+                    }, m_platform, lastSearchKey, pageNo, PAGE_SIZE);
                 }
                 else
                 {
@@ -146,10 +143,7 @@ namespace AxibugEmuOnline.Client
                     {
                         FetchPageCmd.Remove(page);
                         SaveRomInfoFromWeb(resp);
-                    },
-                    //TODO 平台参数
-                    AxibugProtobuf.RomPlatformType.Nes,
-                    pageNo, PAGE_SIZE);
+                    }, m_platform, pageNo, PAGE_SIZE);
                 }
             }
 
diff --git a/AxibugEmuOnline.Client/Assets/Script/AppMain/NesEmulator/NesEmulator.cs b/AxibugEmuOnline.Client/Assets/Script/AppMain/NesEmulator/NesEmulator.cs
index b6977b31..8532f5b2 100644
--- a/AxibugEmuOnline.Client/Assets/Script/AppMain/NesEmulator/NesEmulator.cs
+++ b/AxibugEmuOnline.Client/Assets/Script/AppMain/NesEmulator/NesEmulator.cs
@@ -103,11 +103,6 @@ namespace AxibugEmuOnline.Client
             NesCore.Reset();
         }
 
-        public void SetupScheme()
-        {
-            CommandDispatcher.Instance.Current = CommandDispatcher.Instance.Gaming;
-        }
-
         public void LoadState(object state)
         {
             NesCore.LoadState((State)state);
diff --git a/AxibugEmuOnline.Client/Assets/Script/AppMain/UI/GamesUI/RomListMenuItem.cs b/AxibugEmuOnline.Client/Assets/Script/AppMain/UI/GamesUI/RomListMenuItem.cs
index 8da6736a..5a7241fa 100644
--- a/AxibugEmuOnline.Client/Assets/Script/AppMain/UI/GamesUI/RomListMenuItem.cs
+++ b/AxibugEmuOnline.Client/Assets/Script/AppMain/UI/GamesUI/RomListMenuItem.cs
@@ -1,6 +1,5 @@
 using AxibugEmuOnline.Client.ClientCore;
 using AxibugProtobuf;
-using System;
 using System.Collections.Generic;
 using UnityEngine;
 
diff --git a/AxibugEmuOnline.Client/Assets/Script/AppMain/UI/InGameUI/InGameUI.cs b/AxibugEmuOnline.Client/Assets/Script/AppMain/UI/InGameUI/InGameUI.cs
index 99c5c089..e650c4e8 100644
--- a/AxibugEmuOnline.Client/Assets/Script/AppMain/UI/InGameUI/InGameUI.cs
+++ b/AxibugEmuOnline.Client/Assets/Script/AppMain/UI/InGameUI/InGameUI.cs
@@ -42,6 +42,7 @@ namespace AxibugEmuOnline.Client
             m_stepPerformer = new StepPerformer(this);
 
             menus.Add(new InGameUI_FilterSetting(this));
+            menus.Add(new InGameUI_Scaler(this));
             menus.Add(new InGameUI_Reset(this));
             menus.Add(new InGameUI_SaveState(this));
             menus.Add(new InGameUI_LoadState(this));
diff --git a/AxibugEmuOnline.Client/Assets/Script/AppMain/UI/InGameUI/InGameUI_Scaler.cs b/AxibugEmuOnline.Client/Assets/Script/AppMain/UI/InGameUI/InGameUI_Scaler.cs
new file mode 100644
index 00000000..012a0bab
--- /dev/null
+++ b/AxibugEmuOnline.Client/Assets/Script/AppMain/UI/InGameUI/InGameUI_Scaler.cs
@@ -0,0 +1,80 @@
+using AxibugEmuOnline.Client.ClientCore;
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+using static AxibugEmuOnline.Client.ScreenScaler;
+
+namespace AxibugEmuOnline.Client
+{
+    public class InGameUI_Scaler : ExpandMenu
+    {
+        private List<OptionMenu> m_subMenus = new List<OptionMenu>();
+
+        public InGameUI_Scaler(InGameUI inGameUI) : base("屏幕比例", null)
+        {
+            m_subMenus.Add(new Scale(inGameUI, null));
+            foreach (EnumScalerMode scaleModeValue in Enum.GetValues(typeof(EnumScalerMode)))
+            {
+                m_subMenus.Add(new Scale(inGameUI, scaleModeValue));
+            }
+        }
+
+        protected override List<OptionMenu> GetOptionMenus()
+        {
+            return m_subMenus;
+        }
+
+        public class Scale : ExecuteMenu
+        {
+            private EnumScalerMode? m_mode;
+            private InGameUI m_gameUI;
+
+            public override bool IsApplied
+            {
+                get
+                {
+                    if (m_gameUI.Core.IsNull()) return false;
+
+                    var isSetMode = App.settings.ScreenScaler.IsSetMode(m_gameUI.Core.Platform);
+
+                    if (m_mode == null && !isSetMode)
+                    {
+                        return true;
+                    }
+                    else if (isSetMode && m_mode.HasValue)
+                    {
+                        var mode = App.settings.ScreenScaler.GetMode(m_gameUI.Core.Platform);
+                        return mode == m_mode.Value;
+                    }
+                    else return false;
+                }
+            }
+
+            public Scale(InGameUI inGameUI, EnumScalerMode? mode) : base(ModeToName(mode), null)
+            {
+                m_mode = mode;
+                m_gameUI = inGameUI;
+            }
+
+            public override void OnExcute(OptionUI optionUI, ref bool cancelHide)
+            {
+                App.settings.ScreenScaler.SetMode(m_gameUI.Core.Platform, m_mode);
+            }
+
+            static string ModeToName(EnumScalerMode? mode)
+            {
+                if (mode == null) return "使用全局设置";
+                else
+                {
+                    switch (mode.Value)
+                    {
+                        case EnumScalerMode.FullScreen: return "全屏";
+                        case EnumScalerMode.Raw: return "原始尺寸";
+                        case EnumScalerMode.Fix: return "适应";
+                        default: throw new Exception($"Not Support Mode : {mode.Value}");
+                    }
+                }
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/AxibugEmuOnline.Client/Assets/Script/AppMain/UI/InGameUI/InGameUI_Scaler.cs.meta b/AxibugEmuOnline.Client/Assets/Script/AppMain/UI/InGameUI/InGameUI_Scaler.cs.meta
new file mode 100644
index 00000000..6cf22a5d
--- /dev/null
+++ b/AxibugEmuOnline.Client/Assets/Script/AppMain/UI/InGameUI/InGameUI_Scaler.cs.meta
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 2703b2b6867eb344386509ff36bf1459
\ No newline at end of file