bug fix

src/view/iframe/tool-box/buy-nft.vue

@@ -1,5 +1,5 @@
 <template>
-    <div class="nft-layer">
+    <div class="nft-layer" v-if="nftAuthINfo">
         <div class="title">
             <img @click="close" :src=" require('@/assets/svg/icon-close.svg') " />
             <span class="text">Unlock by {{ nftAuthINfo.nftProjectName }} NFT</span>