删除冗余文件；查看大图时使用新资源；

src/views/HomeView.vue

@@ -74,7 +74,7 @@ const touchEnd = (event) => {
 const $env = inject("$env")
 function showBigPainting() {
   viewerApi({
-    images: [`${$env.BASE_URL}configMultiMedia/paintings/home-painting2.jpg`],
+    images: [`${$env.BASE_URL}configMultiMedia/paintings-big/修篁树石图.jpg`],
     options: {
       className: "viewer-backdrop-home",
     },
@@ -245,12 +245,6 @@ const backFu = () => {
         draggable="false"
       >
       <img
-        class="painting-stem"
-        src="@/assets/images/home-painting2.jpg"
-        alt=""
-        draggable="false"
-      >
-      <img
         :style="{ opacity: curPageIndex == 3 ? 1 : 0, zIndex: 3 }"
         class="painting-stem"
         src="@/assets/images/home2-1.png"

src/views/PaintingDetailList.vue

@@ -29,7 +29,7 @@
           :location="item['馆藏']"
           :painting-desc="item['简介']"
           :author-desc="item['作者简介']"
-          :big-painting="`${$env.BASE_URL}configMultiMedia/paintings/${item['标题']}.jpg`"
+          :big-painting="`${$env.BASE_URL}configMultiMedia/paintings-big/${item['标题']}.jpg`"
           :can-close="false"
           :direction="item['方向']"
           :size="item['尺寸'] ? getPaintingSize(item['尺寸']) : ''"

src/views/ShuanggouPaintingDetail copy.vue

@@ -23,7 +23,7 @@
           :location="item['馆藏']"
           :painting-desc="item['简介']"
           :author-desc="item['作者简介']"
-          :big-painting="`${$env.BASE_URL}configMultiMedia/paintings/${item['标题']}.jpg`"
+          :big-painting="`${$env.BASE_URL}configMultiMedia/paintings-big/${item['标题']}.jpg`"
           :can-close="false"
           :size="getPaintingSize(item['尺寸'])"
         >

src/views/ShuanggouPaintingDetail.vue

@@ -37,7 +37,7 @@
           :location="item['馆藏']"
           :painting-desc="item['简介']"
           :author-desc="item['作者简介']"
-          :big-painting="`${$env.BASE_URL}configMultiMedia/paintings/${item['标题']}.jpg`"
+          :big-painting="`${$env.BASE_URL}configMultiMedia/paintings-big/${item['标题']}.jpg`"
           :can-close="false"
           :direction="item['方向']"
           :size="getPaintingSize(item['尺寸'])"