支持缩略图加载，故事项新建调整

src/components/Hooks/useFetchImageUrl.ts

@@ -1,12 +1,12 @@
-import { fetchImage } from '@/pages/story/service';
 import { useRequest } from '@umijs/max';
 import { useEffect, useState } from 'react';
+import {fetchImageLowRes} from "@/services/file/api";
 
 const useFetchImageUrl = (imageInstanceId: string) => {
   const [imageUrl, setImageUrl] = useState("error");
   const { data: response, run, loading } = useRequest(
     () => {
-      return fetchImage(imageInstanceId);
+      return fetchImageLowRes(imageInstanceId);
     },
     {
       manual: true,