fix:卸载耗材，大瓶缓存液空白了

src/pages/Index/Regular/Consumables.vue

@@ -425,7 +425,7 @@ const handleIsUnload = () => {
       color: '#4caf50',
     },
   ]
-  bufferBig.value = []
+  bufferBig.value = Array.from({ length: 6 }, () => ({ num: 0, isUse: false}))
 }
 
 const isDragging = ref(false)