diff --git a/unity/Assets/Editor/FullScreenCoverTool.cs b/unity/Assets/Editor/FullScreenCoverTool.cs
new file mode 100644
index 00000000..ca2a1e59
--- /dev/null
+++ b/unity/Assets/Editor/FullScreenCoverTool.cs
@@ -0,0 +1,316 @@
+using System.Collections.Generic;
+using System.IO;
+using UnityEditor;
+using UnityEngine;
+using MFrame;
+using Object = UnityEngine.Object;
+
+/// <summary>
+/// 全屏面板遮挡工具：查找/添加/移除面板预制体上的 FullScreenCover 组件。
+/// 挂有该组件的面板 = 全屏面板（打开时自动隐藏下层 UI 省去 DrawCall，关闭/销毁自动恢复）。
+/// 策划可在此窗口自助管理，无需改代码。
+/// 说明：Project 窗口的 t: 搜索只能按资源类型过滤，搜不到“预制体里挂了某组件”，故提供本工具。
+/// </summary>
+public class FullScreenCoverTool : EditorWindow
+{
+    private sealed class CoverInfo
+    {
+        public Object prefab;        // 预制体资产引用（用于 Ping/打开）
+        public string prefabPath;    // 资源路径
+        public string nodeName;      // 组件所在节点名
+        public bool enabled;         // 组件是否启用
+        public bool keepShow;        // 被遮挡时保持显示
+    }
+
+    private readonly List<CoverInfo> results = new List<CoverInfo>();
+    private Vector2 scroll;
+    private GameObject addTarget;
+    private bool scanned;
+    private string statusText = "尚未扫描，点击“扫描全工程”查找挂载 FullScreenCover 组件的面板预制体";
+
+    [MenuItem("Tools/UI/全屏面板遮挡工具")]
+    private static void ShowWindow()
+    {
+        var win = GetWindow<FullScreenCoverTool>("全屏面板遮挡");
+        win.minSize = new Vector2(540f, 320f);
+    }
+
+    private void OnEnable()
+    {
+        // 打开窗口时自动扫描一次
+        EditorApplication.delayCall += ScanAll;
+    }
+
+    private void OnGUI()
+    {
+        EditorGUILayout.HelpBox(
+            "挂有 FullScreenCover 组件的面板 = 全屏面板：打开时自动隐藏下层 UI（省去被遮住的 DrawCall），关闭/销毁自动恢复。\n" +
+            "注意：仅用于完全铺满屏幕的面板（如通行证、商店、活动大页），半屏弹窗不要挂。", MessageType.Info);
+
+        // —— 添加区 ——
+        EditorGUILayout.LabelField("添加组件（拖入面板预制体）", EditorStyles.boldLabel);
+        using (new EditorGUILayout.HorizontalScope())
+        {
+            addTarget = (GameObject)EditorGUILayout.ObjectField(addTarget, typeof(GameObject), false);
+            using (new EditorGUI.DisabledScope(addTarget == null))
+            {
+                if (GUILayout.Button("添加组件", GUILayout.Width(80f)))
+                {
+                    AddComponentToPrefab(AssetDatabase.GetAssetPath(addTarget));
+                    addTarget = null;
+                }
+            }
+        }
+
+        EditorGUILayout.Space(4f);
+
+        // —— 扫描区 ——
+        using (new EditorGUILayout.HorizontalScope())
+        {
+            if (GUILayout.Button("扫描全工程", GUILayout.Height(24f)))
+            {
+                ScanAll();
+            }
+            GUILayout.Label(statusText, EditorStyles.miniLabel);
+        }
+
+        EditorGUILayout.Space(4f);
+
+        // —— 结果列表 ——
+        if (!scanned)
+        {
+            return;
+        }
+        if (results.Count == 0)
+        {
+            EditorGUILayout.HelpBox("没有找到任何挂载 FullScreenCover 的面板。可用上方“添加组件”为全屏面板配置。", MessageType.Warning);
+            return;
+        }
+
+        scroll = EditorGUILayout.BeginScrollView(scroll);
+        for (int i = 0; i < results.Count; i++)
+        {
+            DrawResultItem(results[i]);
+        }
+        EditorGUILayout.EndScrollView();
+    }
+
+    private void DrawResultItem(CoverInfo info)
+    {
+        using (new EditorGUILayout.VerticalScope("box"))
+        {
+            using (new EditorGUILayout.HorizontalScope())
+            {
+                // 点击名称定位资源
+                string title = info.prefab != null ? info.prefab.name : Path.GetFileName(info.prefabPath);
+                if (GUILayout.Button(title, EditorStyles.boldLabel, GUILayout.Width(170f)))
+                {
+                    EditorGUIUtility.PingObject(info.prefab);
+                }
+
+                GUILayout.Label(info.enabled ? "已启用" : "已禁用",
+                    info.enabled ? EditorStyles.miniLabel : EditorStyles.whiteMiniLabel, GUILayout.Width(46f));
+
+                GUILayout.FlexibleSpace();
+
+                // 被遮挡时保持显示（勾选即写回预制体）
+                bool newKeep = GUILayout.Toggle(info.keepShow, "被遮挡时保持显示", GUILayout.Width(132f));
+                if (newKeep != info.keepShow)
+                {
+                    info.keepShow = newKeep;
+                    SetKeepShow(info.prefabPath, newKeep);
+                }
+
+                if (GUILayout.Button("打开", GUILayout.Width(46f)))
+                {
+                    AssetDatabase.OpenAsset(info.prefab);
+                }
+                if (GUILayout.Button("移除组件", GUILayout.Width(68f)))
+                {
+                    if (EditorUtility.DisplayDialog("移除 FullScreenCover",
+                            $"确定从 {Path.GetFileName(info.prefabPath)} 移除 FullScreenCover 组件？\n该面板将不再自动隐藏下层。",
+                            "移除", "取消"))
+                    {
+                        RemoveComponent(info.prefabPath);
+                        ScanAll();
+                    }
+                }
+            }
+            EditorGUILayout.LabelField(info.prefabPath, EditorStyles.miniLabel);
+            if (!info.enabled)
+            {
+                EditorGUILayout.LabelField("⚠ 组件处于禁用状态，不会生效（在预制体根节点 Inspector 勾选启用）。", EditorStyles.miniLabel);
+            }
+        }
+    }
+
+    // —— 扫描 ——
+
+    private void ScanAll()
+    {
+        string scriptGuid = GetScriptGuid();
+        if (string.IsNullOrEmpty(scriptGuid))
+        {
+            EditorUtility.DisplayDialog("错误", "无法获取 FullScreenCover 脚本 GUID，请确认脚本已编译无报错。", "确定");
+            return;
+        }
+
+        string[] prefabGuids = AssetDatabase.FindAssets("t:Prefab", new[] { "Assets" });
+        results.Clear();
+        try
+        {
+            for (int i = 0; i < prefabGuids.Length; i++)
+            {
+                if (EditorUtility.DisplayCancelableProgressBar("全屏面板遮挡工具",
+                        $"扫描预制体中... ({i + 1}/{prefabGuids.Length})", (float)i / prefabGuids.Length))
+                {
+                    break; // 用户取消
+                }
+
+                string path = AssetDatabase.GUIDToAssetPath(prefabGuids[i]);
+                if (string.IsNullOrEmpty(path) || !path.EndsWith(".prefab"))
+                {
+                    continue;
+                }
+
+                // 文本快筛：只有包含组件脚本 guid 的预制体才真正加载，避免逐个解析
+                if (!ContainsGuidFast(path, scriptGuid))
+                {
+                    continue;
+                }
+
+                GameObject prefab = AssetDatabase.LoadAssetAtPath<GameObject>(path);
+                if (prefab == null)
+                {
+                    continue;
+                }
+                FullScreenCover[] comps = prefab.GetComponentsInChildren<FullScreenCover>(true);
+                foreach (FullScreenCover comp in comps)
+                {
+                    results.Add(new CoverInfo
+                    {
+                        prefab = prefab,
+                        prefabPath = path,
+                        nodeName = comp.gameObject.name,
+                        enabled = comp.enabled,
+                        keepShow = comp.isKeepShowWhenCovered
+                    });
+                }
+            }
+        }
+        finally
+        {
+            EditorUtility.ClearProgressBar();
+        }
+
+        scanned = true;
+        statusText = $"扫描完成：{results.Count} 个面板预制体挂载 FullScreenCover";
+        Repaint();
+    }
+
+    /// <summary>动态获取 FullScreenCover 脚本资产的 guid，避免硬编码。</summary>
+    private static string GetScriptGuid()
+    {
+        GameObject probe = new GameObject("FullScreenCoverGuidProbe");
+        try
+        {
+            MonoScript ms = MonoScript.FromMonoBehaviour(probe.AddComponent<FullScreenCover>());
+            if (ms == null)
+            {
+                return null;
+            }
+            return AssetDatabase.AssetPathToGUID(AssetDatabase.GetAssetPath(ms));
+        }
+        finally
+        {
+            Object.DestroyImmediate(probe);
+        }
+    }
+
+    /// <summary>逐行读取文件快速判断是否包含 guid（找到即中断），比加载预制体快一个量级。</summary>
+    private static bool ContainsGuidFast(string path, string guid)
+    {
+        try
+        {
+            foreach (string line in File.ReadLines(path))
+            {
+                if (line.Contains(guid))
+                {
+                    return true;
+                }
+            }
+        }
+        catch (IOException)
+        {
+            // 文件被占用等情况按未命中处理
+        }
+        return false;
+    }
+
+    // —— 修改预制体 ——
+
+    /// <summary>以“加载内容-修改-保存-卸载”的标准流程安全修改预制体资产。</summary>
+    private static void EditPrefab(string path, System.Action<GameObject> edit)
+    {
+        GameObject root = PrefabUtility.LoadPrefabContents(path);
+        try
+        {
+            edit(root);
+            PrefabUtility.SaveAsPrefabAsset(root, path);
+        }
+        finally
+        {
+            PrefabUtility.UnloadPrefabContents(root);
+        }
+        AssetDatabase.SaveAssets();
+    }
+
+    private void AddComponentToPrefab(string path)
+    {
+        if (string.IsNullOrEmpty(path) || !path.EndsWith(".prefab"))
+        {
+            EditorUtility.DisplayDialog("无法添加", "请拖入一个预制体资产（.prefab），而不是场景对象或模型。", "确定");
+            return;
+        }
+
+        bool already = false;
+        EditPrefab(path, root =>
+        {
+            if (root.GetComponent<FullScreenCover>() != null)
+            {
+                already = true;
+            }
+            else
+            {
+                root.AddComponent<FullScreenCover>();
+            }
+        });
+
+        ShowNotification(new GUIContent(already ? "该预制体已挂载组件" : "已添加 FullScreenCover"));
+        ScanAll();
+    }
+
+    private void RemoveComponent(string path)
+    {
+        EditPrefab(path, root =>
+        {
+            FullScreenCover[] comps = root.GetComponentsInChildren<FullScreenCover>(true);
+            foreach (FullScreenCover comp in comps)
+            {
+                Object.DestroyImmediate(comp, true);
+            }
+        });
+    }
+
+    private void SetKeepShow(string path, bool value)
+    {
+        EditPrefab(path, root =>
+        {
+            FullScreenCover[] comps = root.GetComponentsInChildren<FullScreenCover>(true);
+            foreach (FullScreenCover comp in comps)
+            {
+                comp.isKeepShowWhenCovered = value;
+            }
+        });
+    }
+}
diff --git a/unity/my_libs/unityLib/GameFrame/Runtime/frame/module/moduleUI/FullScreenCover.cs b/unity/my_libs/unityLib/GameFrame/Runtime/frame/module/moduleUI/FullScreenCover.cs
new file mode 100644
index 00000000..48f6aaf3
--- /dev/null
+++ b/unity/my_libs/unityLib/GameFrame/Runtime/frame/module/moduleUI/FullScreenCover.cs
@@ -0,0 +1,16 @@
+using UnityEngine;
+
+namespace MFrame
+{
+    /// <summary>
+    /// 全屏遮挡组件：挂到面板预制体根节点（与 UI_PanelBase 同节点）即生效，移除组件即关闭。
+    /// 打开本面板时自动隐藏下方层级中正在显示的面板（省去被遮住的 DrawCall），
+    /// 关闭/销毁时自动恢复。由策划在编辑器中添加/移除本组件即可配置，无需改代码。
+    /// 注意：仅用于完全铺满屏幕的面板（如通行证、商店、活动大页），半屏弹窗不要挂。
+    /// </summary>
+    public class FullScreenCover : MonoBehaviour
+    {
+        [Tooltip("勾选后：本面板被上层全屏面板遮挡时仍保持显示（仅用于必须常驻可见的特殊面板）。")]
+        public bool isKeepShowWhenCovered = false;
+    }
+}
diff --git a/unity/my_libs/unityLib/GameFrame/Runtime/frame/module/moduleUI/PanelBase.cs b/unity/my_libs/unityLib/GameFrame/Runtime/frame/module/moduleUI/PanelBase.cs
index 98c6d79f..657a4024 100644
--- a/unity/my_libs/unityLib/GameFrame/Runtime/frame/module/moduleUI/PanelBase.cs
+++ b/unity/my_libs/unityLib/GameFrame/Runtime/frame/module/moduleUI/PanelBase.cs
@@ -1,3 +1,4 @@
+using System.Collections.Generic;
 using UnityEngine;
 
 namespace MFrame
@@ -56,6 +57,54 @@ namespace MFrame
             return _autoDestroy;
         }
 
+        // 全屏遮挡以组件形式配置：在面板预制体根节点挂 FullScreenCover 组件即生效（策划可自助添加/移除）
+        /// <summary>
+        /// 面板预制体根节点上的 FullScreenCover 组件（未挂则为 null，即非全屏面板）
+        /// </summary>
+        private FullScreenCover _fullScreenCover;
+
+        /// <summary>
+        /// 是否正被上层全屏面板隐藏
+        /// </summary>
+        private bool _hiddenByCover;
+        /// <summary>
+        /// 被本面板（全屏遮挡）隐藏的下层面板列表
+        /// </summary>
+        private readonly List<IPanelBase> _panelsHiddenByMe = new List<IPanelBase>();
+
+        // —— 全屏遮挡：IPanelBase 接口实现 ——
+        UILayerIdx IPanelBase.panelLayerIdx => _layerIdx;
+        bool IPanelBase.isKeepShowWhenCovered => _fullScreenCover != null && _fullScreenCover.enabled && _fullScreenCover.isKeepShowWhenCovered;
+        bool IPanelBase.isHiddenByCover => _hiddenByCover;
+
+        /// <summary>
+        /// 全屏遮挡优化：由上层全屏面板调用，隐藏本面板（省去被盖住的 DrawCall）
+        /// </summary>
+        public void SetCoverHidden()
+        {
+            _hiddenByCover = true;
+            if (_view != null)
+            {
+                _view.gameObject.SetActive(false);
+            }
+        }
+
+        /// <summary>
+        /// 全屏遮挡优化：恢复本面板显示（幂等；面板视图已销毁时自动跳过）
+        /// </summary>
+        public void RestoreFromCover()
+        {
+            if (!_hiddenByCover)
+            {
+                return;
+            }
+            _hiddenByCover = false;
+            if (_view != null)
+            {
+                _view.gameObject.SetActive(true);
+            }
+        }
+
 
         /// <summary>
         /// 尝试异步加载UI预制体
@@ -101,6 +150,8 @@ namespace MFrame
             transform = go.transform;
             // 获取视图组件并完成初始化
             _view = transform.GetComponent<V>();
+            // 缓存全屏遮挡组件（策划在预制体根节点上挂载，未挂则为 null）
+            _fullScreenCover = transform.GetComponent<FullScreenCover>();
             _view.AddUpdateHandler(this.Update);
             _OnLoadComplete();
             Show(data, completeHandler);
@@ -150,8 +201,22 @@ namespace MFrame
         {
             _data = data;
             if (this._view != null)
+            {
+                // 若此前被上层全屏面板隐藏，主动 Show 视为恢复显示
+                //（隐藏者列表中的遗留记录由 RestorePanelsHiddenByMe 的 isHiddenByCover 守卫失效，无需清理）
+                if (_hiddenByCover)
+                {
+                    RestoreFromCover();
+                }
                 this._view.gameObject.SetActive(true);
+            }
             _OnShow();
+            // 全屏遮挡面板（预制体根节点挂 FullScreenCover 组件且处于启用状态）：
+            // 打开时隐藏下层正在显示的面板，省去被盖住的 DrawCall
+            if (_fullScreenCover != null && _fullScreenCover.enabled)
+            {
+                HidePanelsUnderThis();
+            }
             _view.Show(() =>
             {
                 completeHandler?.Invoke(this);
@@ -168,7 +233,8 @@ namespace MFrame
             {
                 return false;
             }
-            return _view.gameObject.activeSelf;
+            // 被上层全屏面板隐藏时仍视为“打开中”，保持业务语义不变
+            return _view.gameObject.activeSelf || _hiddenByCover;
         }
         public bool isLoading()
         {
@@ -193,6 +259,8 @@ namespace MFrame
         {
             _view.Close(() =>
             {
+                // 关闭完成后恢复被本面板隐藏的下层面板
+                RestorePanelsHiddenByMe();
                 _OnClose();
                 complete?.Invoke();
             });
@@ -204,6 +272,53 @@ namespace MFrame
 
         }
 
+        /// <summary>
+        /// 全屏遮挡优化：隐藏本面板下方所有层级中正在显示的面板，
+        /// 被完全遮住的 UI 不再提交 DrawCall（关闭/销毁时由 RestorePanelsHiddenByMe 恢复）。
+        /// </summary>
+        private void HidePanelsUnderThis()
+        {
+            Dictionary<string, PanelMsgItem> items = PanelMgr.Instance.items;
+            if (items == null)
+            {
+                return;
+            }
+            foreach (KeyValuePair<string, PanelMsgItem> kvp in items)
+            {
+                PanelMsgItem item = kvp.Value;
+                if (item.panel == null || ReferenceEquals(item.panel, this))
+                {
+                    continue;
+                }
+                IPanelBase panel = item.panel;
+                if (panel.panelLayerIdx < _layerIdx
+                    && !panel.isKeepShowWhenCovered
+                    && !panel.isHiddenByCover
+                    && panel.isShowing())
+                {
+                    _panelsHiddenByMe.Add(panel);
+                    panel.SetCoverHidden();
+                }
+            }
+        }
+
+        /// <summary>
+        /// 恢复被本面板隐藏的下层面板（幂等，可重复调用）
+        /// </summary>
+        private void RestorePanelsHiddenByMe()
+        {
+            int len = _panelsHiddenByMe.Count;
+            for (int i = 0; i < len; i++)
+            {
+                IPanelBase panel = _panelsHiddenByMe[i];
+                if (panel != null && panel.isHiddenByCover)
+                {
+                    panel.RestoreFromCover();
+                }
+            }
+            _panelsHiddenByMe.Clear();
+        }
+
 
 
         /// <summary>
@@ -211,8 +326,8 @@ namespace MFrame
         /// </summary>
         protected override void _Destroy()
         {
-
-
+            // 兼容未走 Close 直接销毁的路径，确保下层面板一定被恢复
+            RestorePanelsHiddenByMe();
 
             base._Destroy();
 
@@ -221,6 +336,7 @@ namespace MFrame
 
             // 清除面板数据
             _data = null;
+            _fullScreenCover = null;
             if (_view != null)
             {
                 _view.RemoveUpdateHandler(this.Update);
diff --git a/unity/my_libs/unityLib/GameFrame/Runtime/frame/module/moduleUI/iface/IPanelBase.cs b/unity/my_libs/unityLib/GameFrame/Runtime/frame/module/moduleUI/iface/IPanelBase.cs
index c0a2283c..48cd4d14 100644
--- a/unity/my_libs/unityLib/GameFrame/Runtime/frame/module/moduleUI/iface/IPanelBase.cs
+++ b/unity/my_libs/unityLib/GameFrame/Runtime/frame/module/moduleUI/iface/IPanelBase.cs
@@ -31,7 +31,30 @@ namespace MFrame
         /// <returns></returns>
         bool isLoading();
 
+        /// <summary>
+        /// 面板所在 UI 层级（全屏遮挡判定用：仅隐藏低于本层面板层级的面板）
+        /// </summary>
+        UILayerIdx panelLayerIdx { get; }
 
+        /// <summary>
+        /// 被上层全屏面板遮挡时是否仍保持显示（常驻特殊面板为 true）
+        /// </summary>
+        bool isKeepShowWhenCovered { get; }
+
+        /// <summary>
+        /// 是否正被上层全屏面板隐藏
+        /// </summary>
+        bool isHiddenByCover { get; }
+
+        /// <summary>
+        /// 全屏遮挡优化：由上层全屏面板调用，隐藏本面板，省去被盖住的 DrawCall
+        /// </summary>
+        void SetCoverHidden();
+
+        /// <summary>
+        /// 全屏遮挡优化：由隐藏者关闭/销毁时调用，恢复本面板显示（幂等）
+        /// </summary>
+        void RestoreFromCover();
 
     }
 }