diff --git a/assets/core/gui/layer/LayerManager.ts b/assets/core/gui/layer/LayerManager.ts
index e5c5ff6..492aac1 100644
--- a/assets/core/gui/layer/LayerManager.ts
+++ b/assets/core/gui/layer/LayerManager.ts
@@ -187,7 +187,7 @@ export class LayerManager {
     has(uiId: number): boolean {
         var config = this.configs[uiId];
         if (config == null) {
-            warn(`编号为【${uiId}】的界面失败，配置信息不存在`);
+            warn(`编号为【${uiId}】的界面配置不存在，配置信息不存在`);
             return false;
         }
 
@@ -209,6 +209,37 @@ export class LayerManager {
         return result;
     }
 
+    /**
+     * 缓存中是否存在指定标识的窗口
+     * @param uiId 窗口唯一标识
+     * @example
+     * oops.gui.has(UIID.Loading);
+     */
+    get(uiId: number): Node {
+        var config = this.configs[uiId];
+        if (config == null) {
+            warn(`编号为【${uiId}】的界面配置不存在，配置信息不存在`);
+            return null!;
+        }
+
+        var result: Node = null!;
+        switch (config.layer) {
+            case LayerType.UI:
+                result = this.ui.getByPrefabPath(config.prefab);
+                break;
+            case LayerType.PopUp:
+                result = this.popup.getByPrefabPath(config.prefab);
+                break;
+            case LayerType.Dialog:
+                result = this.dialog.getByPrefabPath(config.prefab);
+                break;
+            case LayerType.System:
+                result = this.system.getByPrefabPath(config.prefab);
+                break;
+        }
+        return result;
+    }
+
     /**
      * 移除指定标识的窗口
      * @param uiId         窗口唯一标识
diff --git a/assets/core/gui/layer/LayerUI.ts b/assets/core/gui/layer/LayerUI.ts
index 49a5551..401aaf2 100644
--- a/assets/core/gui/layer/LayerUI.ts
+++ b/assets/core/gui/layer/LayerUI.ts
@@ -177,6 +177,15 @@ export class LayerUI extends Node {
         }
     }
 
+    /**
+     * 根据预制路径获取已打开界面的节点对象
+     * @param prefabPath  预制路径
+     */
+    getByPrefabPath(prefabPath: string): Node {
+        var uuid = this.getUuid(prefabPath);
+        return this.getByUuid(uuid);
+    }
+
     /**
      * 根据唯一标识获取节点，如果节点不存在或者还在队列中，则返回null 
      * @param uuid  唯一标识