diff --git a/src/services/storage-location.service.ts b/src/services/storage-location.service.ts
index a13757a..4d946e2 100644
--- a/src/services/storage-location.service.ts
+++ b/src/services/storage-location.service.ts
@@ -396,8 +396,21 @@ export class StorageLocationService {
       // 只更新有变化的点的边框颜色
       this.updatePointBorderColorsOptimized(changedPointIds);
       
-      // 重新创建所有动作点的库位pen对象以反映最新状态
-      this.createAll();
+      // 仅对发生变化的点位做增量刷新：存在则批量更新状态，不存在则创建
+      for (const pointId of changedPointIds) {
+        const pointPen = this.editor?.getPenById(pointId);
+        const storageNames = pointPen?.point?.associatedStorageLocations;
+        if (pointPen && Array.isArray(storageNames) && storageNames.length > 0) {
+          const existing = this.getStorageLocationPens(pointId);
+          if (existing.length > 0) {
+            // 已有库位图元：按名称列表从 storageStateMap 取状态并批量更新
+            this.update(pointId, storageNames);
+          } else {
+            // 不存在库位图元：为该点创建一次
+            this.create(pointId, storageNames);
+          }
+        }
+      }
       
       // 批量更新后触发一次重绘
       this.scheduleRender();
@@ -633,12 +646,27 @@ export class StorageLocationService {
     state: { occupied?: boolean; locked?: boolean }
   ): void {
     if (!this.editor) return;
+    // 计算新旧状态，用于比较与更新
+    const prevOccupied = !!storageLocation.occupied;
+    const prevLocked = !!storageLocation.locked;
+    const nextOccupied = state.occupied ?? prevOccupied;
+    const nextLocked = state.locked ?? prevLocked;
 
-    const updatedState = { ...storageLocation, ...state };
-    this.editor.updatePen(penId, {
-      storageLocation: updatedState,
-      background: this.getColorByOccupiedState(updatedState.occupied || false),
-    }, false);
+    // 若状态无变化则跳过
+    if (prevOccupied === nextOccupied && prevLocked === nextLocked) {
+      return;
+    }
+
+    const updatedState = { ...storageLocation, occupied: nextOccupied, locked: nextLocked };
+    const nextBg = this.getColorByOccupiedState(updatedState.occupied || false);
+    this.editor.updatePen(
+      penId,
+      {
+        storageLocation: updatedState,
+        background: nextBg,
+      },
+      false,
+    );
   }
 
   /**