fix: visual board v-for bind key not exist

@@ -10,7 +10,7 @@
   const slot = useSlots();
 
   const { update, add, remove } = useUpdateCenter();
-
+  console.log({ dataSource: props.dataSource });
   defineExpose({ update });
 </script>
 
@@ -21,7 +21,7 @@
     <div class="widget-content">
       <div
         v-for="item in props.dataSource"
-        :key="item.id"
+        :key="item.uuid"
         :style="{ width: `${item.width || 100}%`, height: `${item.height || 100}%` }"
         class="widget-item"
       >