fix: 修复缓冲液滑动的问题

src/pages/Index/Regular/Consumables.vue

@@ -271,7 +271,7 @@ const updateLittleBottomNum = async ({
   sync: boolean
 }) => {
   if (bottleNum < 0) {
-    return
+    bottleNum = 0
   }
   if (deviceStore.deviceState.workState !== 'WORKING') {
     consumableStore.setDisableUpdateConsumableData(true)

src/pages/Index/components/Consumables/DragAreaEx.vue

@@ -20,7 +20,7 @@
 </template>
 
 <script setup>
-import { ref, onMounted, onUnmounted, watch, useTemplateRef } from 'vue'
+import { ref, onMounted, watch, useTemplateRef } from 'vue'
 
 const props = defineProps({
   hVal: {