diff --git a/store/scene.js b/store/scene.js
new file mode 100644
index 0000000..82ada65
--- /dev/null
+++ b/store/scene.js
@@ -0,0 +1,42 @@
+/**
+ * 当前场景全局状态：内存 + uni.storage 持久化。
+ * 项目未引入 Vuex/Pinia，采用轻量模块方案。
+ */
+const STORAGE_KEY = 'current_scene'
+
+let currentScene = null
+
+// 模块加载时从本地存储恢复上次选中的场景。
+function initFromStorage() {
+  const cached = uni.getStorageSync(STORAGE_KEY)
+  if (cached && cached.id !== undefined) {
+    currentScene = cached
+  }
+}
+
+initFromStorage()
+
+/**
+ * 获取当前选中场景。
+ * @returns {{ id: *, name: string } | null}
+ */
+export function getCurrentScene() {
+  return currentScene
+}
+
+/**
+ * 设置当前场景并持久化。
+ * @param {{ id: *, name: string }} scene
+ */
+export function setCurrentScene(scene) {
+  currentScene = scene
+  uni.setStorageSync(STORAGE_KEY, scene)
+}
+
+/**
+ * 清除当前场景（本地与持久化均清除）。
+ */
+export function clearCurrentScene() {
+  currentScene = null
+  uni.removeStorageSync(STORAGE_KEY)
+}