去除定时夜间模式;无法在线看时给出错误提示;(同步更新)预览图链接为空时不切换到该预览图;

src/components/Side.vue

@@ -98,8 +98,6 @@
 <script setup>
 import store from "../store";
 import {computed, ref} from "vue";
-import axios from "axios";
-import {ElMessage} from "element-plus";
 import OnlineReader from "./OnlineReader.vue";
 
 //输入
@@ -209,7 +207,7 @@ function readOnlineGallery(gallery){
 
 //显示缩略图
 function showThumbnail(gallery){
-  if(gallery.status === "下载完成") {
+  if(gallery.status === "下载完成" && 'thumb_link' in gallery) {
     clearTimeout(debounceTimer)
     debounceTimer = setTimeout(() => {
       store.commit("_changeThumbnailGallery", gallery)