diff --git a/lib/foundation/def.dart b/lib/foundation/def.dart
index 90b72dc6..9fb50dc4 100644
--- a/lib/foundation/def.dart
+++ b/lib/foundation/def.dart
@@ -16,7 +16,7 @@ const String webUA =
     "Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/115.0.0.0 Safari/537.36";
 
 //App版本
-const appVersion = "2.3.0";
+const appVersion = "2.3.0-hotfix";
 
 //定义宽屏设备的临界值
 const changePoint = 600;
diff --git a/lib/foundation/image_manager.dart b/lib/foundation/image_manager.dart
index bdc795b2..3c9636a3 100644
--- a/lib/foundation/image_manager.dart
+++ b/lib/foundation/image_manager.dart
@@ -7,6 +7,7 @@ import 'package:html/parser.dart';
 import 'package:path_provider/path_provider.dart';
 import 'package:dio/dio.dart';
 import 'package:pica_comic/foundation/log.dart';
+import 'package:pica_comic/network/app_dio.dart';
 import 'package:pica_comic/network/eh_network/eh_models.dart';
 import 'package:pica_comic/network/eh_network/get_gallery_id.dart';
 import 'package:pica_comic/network/hitomi_network/hitomi_models.dart';
@@ -116,7 +117,7 @@ class ImageManager {
   }
 
   /// 获取图片, 适用于没有任何限制的图片链接
-  Stream<DownloadProgress> getImage(String url) async* {
+  Stream<DownloadProgress> getImage(String url, [Map<String, String>? headers]) async* {
     while (loadingItems[url] != null) {
       var progress = loadingItems[url]!;
       yield progress;
@@ -141,7 +142,7 @@ class ImageManager {
           sendTimeout: const Duration(seconds: 8),
           receiveTimeout: const Duration(seconds: 8),
           followRedirects: true,
-          headers: {
+          headers: headers ?? {
             "user-agent": webUA,
           });
 
@@ -154,7 +155,7 @@ class ImageManager {
       final savePath =
           "${(await getTemporaryDirectory()).path}${pathSep}imageCache$pathSep$fileName";
       yield DownloadProgress(0, 100, url, savePath);
-      var dio = Dio(options);
+      var dio = logDio(options);
       if (url.contains("nhentai")) {
         dio.interceptors.add(CookieManager(NhentaiNetwork().cookieJar!));
       }
@@ -225,7 +226,7 @@ class ImageManager {
           followRedirects: true,
           headers: {"user-agent": webUA, "cookie": EhNetwork().cookiesStr});
 
-      var dio = Dio(options);
+      var dio = logDio(options);
 
       // Get imgKey
       const urlsOnePage = 40;
@@ -276,12 +277,24 @@ class ImageManager {
         "showkey": gallery.auth!["showKey"]
       });
 
-      var image = const JsonDecoder().convert(apiRes.data)["i3"] as String;
+      var apiJson = const JsonDecoder().convert(apiRes.data);
+
+      var i6 = apiJson["i6"] as String;
+      
+      var originImage = i6.split("<a href=\"").last.split("\">").first;
+
+      var image = apiJson["i3"] as String;
+      image = image.substring(
+          image.indexOf("src=\"") + 5, image.indexOf("\" style") - 1);
+
       if (image.contains("/img/509.gif")) {
         throw ImageExceedError();
       }
-      image = image.substring(
-          image.indexOf("src=\"") + 5, image.indexOf("\" style") - 1);
+
+      if(appdata.settings[29] == "1"){
+        image = originImage;
+      }
+
       var res = await dio.get<ResponseBody>(image,
           options: Options(responseType: ResponseType.stream));
 
@@ -364,7 +377,7 @@ class ImageManager {
       var fileName = image.hash + url.substring(l);
       final savePath =
           "${(await getTemporaryDirectory()).path}${pathSep}imageCache$pathSep$fileName";
-      var dio = Dio();
+      var dio = logDio();
       dio.options.headers = {
         "User-Agent": webUA,
         "Referer": "https://hitomi.la/reader/$galleryId.html"
@@ -461,7 +474,7 @@ class ImageManager {
       final savePath =
           "${(await getTemporaryDirectory()).path}${pathSep}imageCache$pathSep$fileName";
 
-      var dio = Dio();
+      var dio = logDio();
       yield DownloadProgress(0, 1, url, savePath);
 
       var bytes = <int>[];
diff --git a/lib/foundation/local_favorites.dart b/lib/foundation/local_favorites.dart
index fe939b1e..85c842eb 100644
--- a/lib/foundation/local_favorites.dart
+++ b/lib/foundation/local_favorites.dart
@@ -1,4 +1,5 @@
 import 'dart:convert';
+import 'dart:math';
 import 'dart:typed_data';
 import 'package:crypto/crypto.dart';
 import 'package:dio/dio.dart';
@@ -7,6 +8,7 @@ import 'package:path_provider/path_provider.dart';
 import 'package:pica_comic/base.dart';
 import 'package:pica_comic/foundation/app.dart';
 import 'package:pica_comic/foundation/log.dart';
+import 'package:pica_comic/network/app_dio.dart';
 import 'package:pica_comic/network/eh_network/eh_main_network.dart';
 import 'package:pica_comic/network/eh_network/eh_models.dart';
 import 'package:pica_comic/network/eh_network/get_gallery_id.dart';
@@ -193,7 +195,7 @@ class LocalFavoritesManager {
         await clearAll();
 
         for (var folder in allComics.keys) {
-          createFolder(folder);
+          createFolder(folder, true);
           var comics = allComics[folder]!;
           for (int i = 0; i < comics.length; i++) {
             addComic(folder, comics[i]);
@@ -238,12 +240,28 @@ class LocalFavoritesManager {
   }
 
   /// create a folder
-  void createFolder(String name) {
+  void createFolder(String name, [bool renameWhenInvalidName = false]) {
     if(name.isEmpty){
-      throw "name is empty!";
+      if(renameWhenInvalidName) {
+        int i = 0;
+        while (folderNames.contains(i.toString())) {
+          i++;
+        }
+        name = i.toString();
+      } else {
+        throw "name is empty!";
+      }
     }
     if (folderNames.contains(name)) {
-      throw Exception("Folder is existing");
+      if(renameWhenInvalidName) {
+        int i = 0;
+        while (folderNames.contains(i.toString())) {
+          i++;
+        }
+        name = i.toString();
+      } else {
+        throw Exception("Folder is existing");
+      }
     }
     _db.execute("""
       create table "$name"(
@@ -319,16 +337,25 @@ class LocalFavoritesManager {
     }
   }
 
+  int _loading = 0;
+
   /// get comic cover
   Future<File> getCover(FavoriteItem item) async {
-    var path = "${appdataPath!}${pathSep}favoritesCover";
+    var path = "${appdataPath!}/favoritesCover";
     var hash =
-        md5.convert(const Utf8Encoder().convert(item.coverPath)).toString();
-    var file = File("$path$pathSep$hash.jpg");
+    md5.convert(const Utf8Encoder().convert(item.coverPath)).toString();
+    var file = File("$path/$hash.jpg");
     if (file.existsSync()) {
       return file;
-    } else {
-      var dio = Dio(BaseOptions(headers: {
+    }
+    if(item.type == ComicType.ehentai) {
+      while (_loading > 2) {
+        await Future.delayed(const Duration(milliseconds: 200));
+      }
+      _loading++;
+    }
+    try {
+      var dio = logDio(BaseOptions(headers: {
         if (item.type == ComicType.ehentai) "cookie": EhNetwork().cookiesStr,
         if (item.type == ComicType.ehentai || item.type == ComicType.hitomi)
           "User-Agent": webUA,
@@ -337,8 +364,19 @@ class LocalFavoritesManager {
       var res = await dio.get<Uint8List>(item.coverPath);
       file.createSync(recursive: true);
       file.writeAsBytesSync(res.data!);
+      var awaitTime = Random().nextInt(500) + 500;
+      await Future.delayed(Duration(milliseconds: awaitTime));
       return file;
     }
+    catch(e){
+      await Future.delayed(const Duration(seconds: 5));
+      rethrow;
+    }
+    finally{
+      if(item.type == ComicType.ehentai) {
+        _loading--;
+      }
+    }
   }
 
   /// delete a folder
diff --git a/lib/network/app_dio.dart b/lib/network/app_dio.dart
index 9ba08503..788a9902 100644
--- a/lib/network/app_dio.dart
+++ b/lib/network/app_dio.dart
@@ -34,7 +34,17 @@ class MyLogInterceptor implements Interceptor {
 }
 
 class AppHttpAdapter implements HttpClientAdapter{
-  final adapter = IOHttpClientAdapter();
+  final HttpClientAdapter adapter;
+
+  AppHttpAdapter(bool http2):
+      adapter = http2 ? Http2Adapter(ConnectionManager(
+        idleTimeout: const Duration(seconds: 10),
+        onClientCreate: (_, config) {
+          if (proxyHttpOverrides?.proxyStr != null) {
+            config.proxy = Uri.parse('http://${proxyHttpOverrides?.proxyStr}');
+          }
+        },
+      ),) : IOHttpClientAdapter();
 
   @override
   void close({bool force = false}) {
@@ -63,6 +73,20 @@ class AppHttpAdapter implements HttpClientAdapter{
     }
   }
 
+  void changeHost(RequestOptions options){
+    var config = const JsonDecoder().convert(File("${App.dataPath}/hosts.json").readAsStringSync());
+    if(config["https"][options.uri.host] != null){
+      LogManager.addLog(LogLevel.info, "Network",
+          "Change host from ${options.uri.host} to ${config["https"][options.uri.host]}");
+      options.path = options.path.replaceFirst(options.uri.host, config["https"][options.uri.host]!);
+    } else if(config["http"][options.uri.host] != null){
+      LogManager.addLog(LogLevel.info, "Network",
+          "Change host from ${options.uri.host} to ${config["http"][options.uri.host]}");
+      options.path = options.path.replaceFirst(options.uri.host, config["http"][options.uri.host]!);
+      options.path = options.path.replaceFirst("https://", "http://");
+    }
+  }
+
   @override
   Future<ResponseBody> fetch(RequestOptions o, Stream<Uint8List>? requestStream, Future<void>? cancelFuture) async{
     var options = o.copyWith();
@@ -72,28 +96,34 @@ class AppHttpAdapter implements HttpClientAdapter{
       return await adapter.fetch(options, requestStream, cancelFuture);
     }
     createConfigFile();
-    var config = const JsonDecoder().convert(File("${App.dataPath}/hosts.json").readAsStringSync());
     if(options.headers["host"] == null && options.headers["Host"] == null){
       options.headers["host"] = options.uri.host;
     }
-    if(config["https"][options.uri.host] != null){
-      LogManager.addLog(LogLevel.info, "Network",
-          "Change host from ${options.uri.host} to ${config["https"][options.uri.host]}");
-      options.path = options.path.replaceFirst(options.uri.host, config["https"][options.uri.host]!);
-    } else if(config["http"][options.uri.host] != null){
-      LogManager.addLog(LogLevel.info, "Network",
-          "Change host from ${options.uri.host} to ${config["http"][options.uri.host]}");
-      options.path = options.path.replaceFirst(options.uri.host, config["http"][options.uri.host]!);
-      options.path = options.path.replaceFirst("https://", "http://");
-    }
+    changeHost(options);
     options.followRedirects = false;
     var res = await adapter.fetch(options, requestStream, cancelFuture);
-    if(res.statusCode == 302){
+    while(res.statusCode == 302){
       var location = res.headers["location"]!.first;
-      options.path = options.path.contains("https://")
-          ? "https://${options.uri.host}$location"
-          : "http://${options.uri.host}$location";
-      return await adapter.fetch(options, requestStream, cancelFuture);
+      if(location.contains("http") && Uri.tryParse(location) != null){
+        if(Uri.parse(location).host != o.uri.host){
+          options.path = location;
+          changeHost(options);
+          res = await adapter.fetch(options, requestStream, cancelFuture);
+        } else {
+          location = Uri
+              .parse(location)
+              .path;
+          options.path = options.path.contains("https://")
+              ? "https://${options.uri.host}$location"
+              : "http://${options.uri.host}$location";
+          res = await adapter.fetch(options, requestStream, cancelFuture);
+        }
+      } else {
+        options.path = options.path.contains("https://")
+            ? "https://${options.uri.host}$location"
+            : "http://${options.uri.host}$location";
+        res = await adapter.fetch(options, requestStream, cancelFuture);
+      }
     }
     return res;
   }
@@ -102,20 +132,7 @@ class AppHttpAdapter implements HttpClientAdapter{
 
 Dio logDio([BaseOptions? options, bool http2 = false]) {
   var dio = Dio(options)..interceptors.add(MyLogInterceptor());
-  if (http2) {
-    dio.httpClientAdapter = Http2Adapter(
-      ConnectionManager(
-        idleTimeout: const Duration(seconds: 10),
-        onClientCreate: (_, config) {
-          if (proxyHttpOverrides?.proxyStr != null) {
-            config.proxy = Uri.parse('http://${proxyHttpOverrides?.proxyStr}');
-          }
-        },
-      ),
-    );
-  } else {
-    dio.httpClientAdapter = AppHttpAdapter();
-  }
+  dio.httpClientAdapter = AppHttpAdapter(http2);
   return dio;
 }
 
diff --git a/lib/network/download.dart b/lib/network/download.dart
index cb6345c9..66965c0c 100644
--- a/lib/network/download.dart
+++ b/lib/network/download.dart
@@ -381,7 +381,7 @@ class DownloadManager{
         comic = DownloadedHitomiComic.fromMap(jsonDecode(json));
       } else if (id.startsWith("nhentai")) {
         comic = NhentaiDownloadedComic.fromJson(jsonDecode(json));
-      } else if (id.startsWith("ht")) {
+      } else if (id.startsWith("Ht")) {
         comic = DownloadedHtComic.fromJson(jsonDecode(json));
       } else if (id.isNum) {
         comic = DownloadedGallery.fromJson(jsonDecode(json));
diff --git a/lib/network/eh_network/eh_main_network.dart b/lib/network/eh_network/eh_main_network.dart
index d26b339d..050d702e 100644
--- a/lib/network/eh_network/eh_main_network.dart
+++ b/lib/network/eh_network/eh_main_network.dart
@@ -155,7 +155,7 @@ class EhNetwork {
           ...?headers
         });
 
-    var dio = Dio(options)..interceptors.add(LogInterceptor());
+    var dio = logDio(options);
 
     try {
       var res = await dio.post<String>(ehApiUrl, data: data);
@@ -548,13 +548,20 @@ class EhNetwork {
     }
   }
 
+  Set<String> loadingReaderLinks = {};
+
   /// page starts from 1
   Future<Res<List<String>>> getReaderLinks(String link, int page) async {
     String url = "$link?inline_set=ts_m";
+    while(loadingReaderLinks.contains(url)){
+      await Future.delayed(const Duration(milliseconds: 200));
+    }
+    loadingReaderLinks.add(url);
     if (page != 1) {
       url = "$url&p=${page - 1}";
     }
     var res = await request(url);
+    loadingReaderLinks.remove(url);
     if (res.error) {
       return Res(null, errorMessage: res.errorMessage);
     }
diff --git a/lib/network/picacg_network/methods.dart b/lib/network/picacg_network/methods.dart
index 5c2bd687..4a7e985c 100644
--- a/lib/network/picacg_network/methods.dart
+++ b/lib/network/picacg_network/methods.dart
@@ -81,9 +81,7 @@ class PicacgNetwork {
 
   Future<Res<Map<String, dynamic>>> post(
       String url, Map<String, String>? data) async {
-    var api = appdata.settings[3] == "1"
-        ? "$serverDomain/picaapi"
-        : "https://picaapi.picacomic.com";
+    var api = "https://picaapi.picacomic.com";
     if (token == "" &&
         url != '$api/auth/sign-in' &&
         url != "https://picaapi.picacomic.com/auth/register") {
@@ -142,9 +140,10 @@ class PicacgNetwork {
 
   ///登录
   Future<Res<bool>> login(String email, String password) async {
-    var api = appdata.settings[3] == "1"
-        ? "$serverDomain/picaapi"
-        : "https://picaapi.picacomic.com";
+    if(token.isNotEmpty){
+      token = "";
+    }
+    var api = "https://picaapi.picacomic.com";
     var response = await post('$api/auth/sign-in', {
       "email": email,
       "password": password,
@@ -157,7 +156,7 @@ class PicacgNetwork {
       try {
         token = res["data"]["token"];
       } catch (e) {
-        return const Res(null, errorMessage: "Failed to get token");
+        return const Res(null, errorMessage: "Failed to get token\n");
       }
       if (kDebugMode) {
         print("Logging successfully");
diff --git a/lib/views/eh_views/cover_image.dart b/lib/views/eh_views/cover_image.dart
new file mode 100644
index 00000000..f5d19b2a
--- /dev/null
+++ b/lib/views/eh_views/cover_image.dart
@@ -0,0 +1,106 @@
+import 'dart:math';
+import 'dart:typed_data';
+import 'package:flutter/material.dart';
+import 'package:pica_comic/foundation/image_manager.dart';
+
+class EhCoverImage extends StatefulWidget {
+  const EhCoverImage({required this.url, this.headers = const {}, super.key});
+
+  final String url;
+
+  final Map<String, String> headers;
+
+  @override
+  State<EhCoverImage> createState() => _EhCoverImageState();
+}
+
+class _EhCoverImageState extends State<EhCoverImage> {
+  bool error = false;
+
+  static Map<String, Uint8List> cache = {};
+
+  Uint8List? get data => cache[widget.url];
+
+  set data(Uint8List? list){
+    if(list != null){
+      int totalSize = 0;
+      cache.forEach((key, value) => totalSize += value.length);
+      while(totalSize > 10 * 1024 * 1024){
+        cache.remove(cache.keys.first);
+      }
+      cache[widget.url] = list;
+    }
+  }
+
+  @override
+  void didChangeDependencies() {
+    if(error){
+      setState(() {
+        error = false;
+      });
+      load();
+    }
+    super.didChangeDependencies();
+  }
+
+  static int loading = 0;
+
+  void load() async{
+    while(loading > 1){
+      await Future.delayed(const Duration(milliseconds: 200));
+    }
+    loading++;
+    try {
+      await for(var progress in ImageManager().getImage(widget.url, widget.headers)){
+        if(progress.finished){
+          data = progress.getFile().readAsBytesSync();
+          if(mounted){
+            setState(() {});
+          }
+        }
+      }
+      var awaitTime = Random().nextInt(500) + 500;
+      await Future.delayed(Duration(milliseconds: awaitTime));
+    }
+    catch(e){
+      await Future.delayed(const Duration(seconds: 5));
+      if(mounted){
+        setState(() {
+          error = true;
+        });
+      }
+    }
+    finally{
+      loading--;
+    }
+  }
+
+  @override
+  void initState() {
+    if(data == null) {
+      load();
+    }
+    super.initState();
+  }
+
+  @override
+  Widget build(BuildContext context) {
+    if(error){
+      return const Center(
+        child: Icon(Icons.error),
+      );
+    } else if(data == null){
+      return const Center(
+        child: SizedBox(width: 0, height: 0,),
+      );
+    } else {
+      return Image.memory(
+        data!,
+        fit: BoxFit.cover,
+        errorBuilder: (context, url, error) => const Icon(Icons.error),
+        height: double.infinity,
+        filterQuality: FilterQuality.medium,
+      );
+    }
+  }
+}
diff --git a/lib/views/eh_views/eh_widgets/eh_gallery_tile.dart b/lib/views/eh_views/eh_widgets/eh_gallery_tile.dart
index f89f38ba..821a43e1 100644
--- a/lib/views/eh_views/eh_widgets/eh_gallery_tile.dart
+++ b/lib/views/eh_views/eh_widgets/eh_gallery_tile.dart
@@ -1,9 +1,9 @@
 import 'package:pica_comic/foundation/app.dart';
-import 'package:cached_network_image/cached_network_image.dart';
 import 'package:flutter/material.dart';
 import 'package:pica_comic/network/eh_network/eh_main_network.dart';
 import 'package:pica_comic/network/eh_network/eh_models.dart';
 import 'package:pica_comic/tools/tags_translation.dart';
+import 'package:pica_comic/views/eh_views/cover_image.dart';
 import 'package:pica_comic/views/eh_views/eh_gallery_page.dart';
 import 'package:pica_comic/views/reader/goto_reader.dart';
 import 'package:pica_comic/views/widgets/comic_tile.dart';
@@ -86,32 +86,13 @@ class EhGalleryTile extends ComicTile{
   }.call();
 
   @override
-  Widget get image => cached?CachedNetworkImage(
-    useOldImageOnUrlChange: true,
-    imageUrl: gallery.coverPath,
-    fit: BoxFit.cover,
-    errorWidget: (context, url, error) => const Icon(Icons.error),
-    height: double.infinity,
-    filterQuality: FilterQuality.medium,
-    placeholder: (context, s) => ColoredBox(color: Theme.of(context).colorScheme.surfaceVariant),
-    httpHeaders: {
-      "Cookie": EhNetwork().cookiesStr,
-      "User-Agent": webUA,
-      "Referer": EhNetwork().ehBaseUrl,
-      "host": Uri.parse(gallery.coverPath).host
-    },
-  ):Image.network(
-    gallery.coverPath,
-    fit: BoxFit.cover,
-    errorBuilder: (context, url, error) => const Icon(Icons.error),
-    height: double.infinity,
-    frameBuilder: (BuildContext context, Widget child, int? frame, bool? wasSynchronouslyLoaded) {
-      return ColoredBox(color: Theme.of(context).colorScheme.surfaceVariant, child: child,);
-    },
+  Widget get image => EhCoverImage(
+    url: gallery.coverPath,
     headers: {
       "Cookie": EhNetwork().cookiesStr,
       "User-Agent": webUA,
       "Referer": EhNetwork().ehBaseUrl,
+      "host": Uri.parse(gallery.coverPath).host
     },
   );
 
diff --git a/pubspec.yaml b/pubspec.yaml
index d17b375c..da7c5719 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -16,7 +16,7 @@ publish_to: 'none' # Remove this line if you wish to publish to pub.dev
 # https://developer.apple.com/library/archive/documentation/General/Reference/InfoPlistKeyReference/Articles/CoreFoundationKeys.html
 # In Windows, build-name is used as the major, minor, and patch parts
 # of the product and file versions while build-number is used as the build suffix.
-version: 2.3.0+230
+version: 2.3.0-hotfix+230
 environment:
   sdk: '>=3.0.0'
 
@@ -153,9 +153,9 @@ flutter:
   fonts:
     # 这是在windows端使用的字体, 由于系统字体(微软雅黑)在Flutter App上显示效果极差, 因此使用此字体
     # 仅在打包windows时取消注释
-    - family: font
-      fonts:
-        - asset: fonts/NotoSansSC-Regular.otf
+    #- family: font
+    #  fonts:
+    #    - asset: fonts/NotoSansSC-Regular.otf
 
     # 这是一个英文字体, 文件很小, 无需担心体积, 用于显示Pica Comic
     - family: font2