diff --git a/api/cheats_api.py b/api/cheats_api.py
index b777e6d..5dec79d 100644
--- a/api/cheats_api.py
+++ b/api/cheats_api.py
@@ -49,3 +49,12 @@ def open_cheat_mod_folder(folder_path: str):
         return success_response(open_cheat_mod_folder(folder_path))
     except Exception as e:
         return exception_response(e)
+
+
+@eel.expose
+def get_game_data():
+    from module.cheats import get_game_data
+    try:
+        return success_response(get_game_data())
+    except Exception as e:
+        return exception_response(e)
diff --git a/api/common_response.py b/api/common_response.py
index dbd8e6f..ab7c1d9 100644
--- a/api/common_response.py
+++ b/api/common_response.py
@@ -2,6 +2,7 @@
 from module.msg_notifier import send_notify
 from exception.common_exception import *
 from exception.download_exception import *
+from exception.install_exception import *
 
 
 logger = logging.getLogger(__name__)
@@ -51,12 +52,20 @@ def download_not_completed_handler(ex: DownloadNotCompleted):
     return error_response(603, str(ex))
 
 
+def fail_to_copy_files_handler(ex: FailToCopyFiles):
+    logger.exception(ex.raw_exception)
+    send_notify(f'{ex.msg}, 这可能是由于相关文件被占用或者没有相关目录的写入权限造成的')
+    send_notify(f'请检查相关程序是否已经关闭, 或者重启一下系统试试')
+    return error_response(701, str(ex))
+
+
 exception_handler_map = {
     VersionNotFoundException: version_not_found_handler,
     Md5NotMatchException: md5_not_found_handler,
     DownloadInterrupted: download_interrupted_handler,
     DownloadPaused: download_paused_handler,
     DownloadNotCompleted: download_not_completed_handler,
+    FailToCopyFiles: fail_to_copy_files_handler,
 }
 
 
diff --git a/changelog.md b/changelog.md
index 313a3b4..b324450 100644
--- a/changelog.md
+++ b/changelog.md
@@ -1,5 +1,10 @@
 # Change Log
 
+## 0.3.5
+ - 打开金手指管理界面时异步加载游戏信息
+ - DoH 查询时复用已建立的连接
+ - 一些 bug 修复及错误信息调整
+
 ## 0.3.4
  - 调整 Edge 浏览器的检测逻辑
  - 调整 requests cache 的缓存后端
diff --git a/config.py b/config.py
index 1111e10..c73623f 100644
--- a/config.py
+++ b/config.py
@@ -9,7 +9,7 @@
 import sys
 
 
-current_version = '0.3.4'
+current_version = '0.3.5'
 user_agent = f'ns-emu-tools/{current_version}'
 
 
diff --git a/exception/install_exception.py b/exception/install_exception.py
new file mode 100644
index 0000000..d9305ab
--- /dev/null
+++ b/exception/install_exception.py
@@ -0,0 +1,8 @@
+class FailToCopyFiles(Exception):
+    raw_exception: Exception
+    msg: str
+
+    def __init__(self, raw_exception: Exception, msg):
+        self.raw_exception = raw_exception
+        self.msg = msg
+        super().__init__(msg)
diff --git a/module/cheats.py b/module/cheats.py
index 93147ce..aa89213 100644
--- a/module/cheats.py
+++ b/module/cheats.py
@@ -17,11 +17,11 @@
 game_id_re = re.compile(r'^[\dA-Za-z]{16}$')
 
 
-@lru_cache(1)
+# @lru_cache(1)
 def get_game_data():
     res = {}
     try:
-        resp = session.get('https://cdn.jsdelivr.net/gh/triwinds/ns-emu-tools@main/game_data.json')
+        resp = session.get('https://cdn.jsdelivr.net/gh/triwinds/ns-emu-tools@main/game_data.json', timeout=5)
         return resp.json()
     except Exception as e:
         logger.warning(f'fail to load game data, ex: {e}')
@@ -32,7 +32,7 @@ def scan_all_cheats_folder(mod_path) -> List[Dict[str, str]]:
     root = Path(mod_path)
     logger.info(f'scanning cheats under path: {root}')
     cheats_folders = root.glob('**/cheats')
-    game_data = get_game_data()
+    # game_data = get_game_data()
     res = []
     for folder in cheats_folders:
         game_id = folder.parent.parent.name
@@ -47,7 +47,7 @@ def scan_all_cheats_folder(mod_path) -> List[Dict[str, str]]:
             res.append({
                 'game_id': game_id,
                 'cheats_path': str(folder.absolute()),
-                'game_name': game_data.get(game_id)
+                # 'game_name': game_data.get(game_id)
             })
     return res
 
diff --git a/module/downloader.py b/module/downloader.py
index e993be4..67f8f4e 100644
--- a/module/downloader.py
+++ b/module/downloader.py
@@ -84,6 +84,7 @@ def download(url, save_dir=None, options=None, download_in_background=False):
 def _download(url, save_dir=None, options=None, download_in_background=False):
     init_aria2()
     send_notify('如果遇到下载失败或卡住的问题, 可以尝试在设置中换个下载源, 如果还是不行就挂个梯子')
+    send_notify('如果你的网络支持 IPv6, 也可以尝试在设置中允许 aria2 使用 IPv6, 看看能不能解决问题')
     tmp = init_download_options_with_proxy(url)
     tmp['auto-file-renaming'] = 'false'
     tmp['allow-overwrite'] = 'false'
@@ -125,12 +126,11 @@ def _download(url, save_dir=None, options=None, download_in_background=False):
             if not info.is_complete:
                 logger.info(f'remove downloading files due to download interrupted.')
                 for file in info.files:
-                    if file.path.exists():
+                    if file.path.exists() and file.path.is_file():
                         logger.debug(f'remove file: {file.path}')
                         os.remove(file.path)
             raise DownloadInterrupted()
         else:
-            print(info)
             logger.error(f'info.error_code: {info.error_code}, error message: {info.error_message}')
             raise RuntimeError(f'下载出错, error_code: {info.error_code}, error message: {info.error_message}')
     else:
diff --git a/module/ryujinx.py b/module/ryujinx.py
index 6156bcb..f7009d6 100644
--- a/module/ryujinx.py
+++ b/module/ryujinx.py
@@ -61,6 +61,7 @@ def install_ryujinx_by_version(target_version: str, branch: str):
     file = info.files[0]
     ryujinx_path = Path(config.ryujinx.path)
     ryujinx_path.mkdir(parents=True, exist_ok=True)
+    kill_all_ryujinx_instance(ryujinx_path)
     clear_ryujinx_folder(ryujinx_path)
     import zipfile
     with zipfile.ZipFile(file.path, 'r') as zf:
@@ -72,8 +73,11 @@ def install_ryujinx_by_version(target_version: str, branch: str):
         ryujinx_tmp_dir = tmp_dir.joinpath('publish')
         logger.info(f'Copy back ryujinx files...')
         send_notify('安装 ryujinx 文件至目录...')
-        kill_all_ryujinx_instance()
-        shutil.copytree(ryujinx_tmp_dir, ryujinx_path, dirs_exist_ok=True)
+        try:
+            shutil.copytree(ryujinx_tmp_dir, ryujinx_path, dirs_exist_ok=True)
+        except Exception as e:
+            from exception.install_exception import FailToCopyFiles
+            raise FailToCopyFiles(e, 'Ryujinx 文件复制失败')
         shutil.rmtree(tmp_dir)
         config.ryujinx.version = target_version
         config.ryujinx.branch = branch
@@ -116,11 +120,15 @@ def clear_ryujinx_folder(ryujinx_path: Path):
         os.remove(path)
 
 
-def kill_all_ryujinx_instance():
+def kill_all_ryujinx_instance(ryujinx_path: Path = None):
     import psutil
     kill_flag = False
     for p in psutil.process_iter():
         if p.name().startswith('Ryujinx.'):
+            if ryujinx_path is not None:
+                process_path = Path(p.exe()).parent.absolute()
+                if ryujinx_path.absolute() != process_path:
+                    continue
             send_notify(f'关闭 Ryujinx 进程 [{p.pid}]')
             logger.info(f'kill Ryujinx process [{p.pid}]')
             p.kill()
@@ -160,8 +168,8 @@ def start_ryujinx():
         logger.info(f'starting Ryujinx from: {rj_path}')
         subprocess.Popen([rj_path])
     else:
-        logger.error(f'Ryujinx not exist in [{rj_path}]')
-        raise RuntimeError(f'Ryujinx not exist in [{rj_path}]')
+        logger.error(f'Ryujinx exe not exist in [{config.ryujinx.path}]')
+        raise RuntimeError(f'Ryujinx exe not exist in [{config.ryujinx.path}]')
 
 
 def detect_current_branch():
@@ -182,6 +190,7 @@ def detect_ryujinx_version():
         config.ryujinx.version = None
         dump_config()
         return None
+    kill_all_ryujinx_instance()
     config.ryujinx.branch = detect_current_branch()
     st_inf = subprocess.STARTUPINFO()
     st_inf.dwFlags = st_inf.dwFlags | subprocess.STARTF_USESHOWWINDOW
@@ -232,5 +241,6 @@ def update_ryujinx_path(new_ryujinx_path: str):
     # clear_ryujinx_folder(Path(config.ryujinx.path))
     # install_firmware_to_ryujinx('15.0.0')
     # open_ryujinx_keys_folder()
-    detect_ryujinx_version()
+    # detect_ryujinx_version()
     # install_ryujinx_by_version('3.0.1', 'ldn')
+    kill_all_ryujinx_instance(Path(config.ryujinx.path))
diff --git a/module/yuzu.py b/module/yuzu.py
index f9b8abb..7924dd5 100644
--- a/module/yuzu.py
+++ b/module/yuzu.py
@@ -90,8 +90,13 @@ def copy_back_yuzu_files(tmp_dir: Path, yuzu_path: Path, ):
         os.remove(useless_file)
     logger.info(f'Copy back yuzu files...')
     send_notify('安装 yuzu 文件至目录...')
-    kill_all_yuzu_instance()
-    shutil.copytree(tmp_dir, yuzu_path, dirs_exist_ok=True)
+    kill_all_yuzu_instance(yuzu_path)
+    try:
+        shutil.copytree(tmp_dir, yuzu_path, dirs_exist_ok=True)
+        time.sleep(0.5)
+    except Exception as e:
+        from exception.install_exception import FailToCopyFiles
+        raise FailToCopyFiles(e, 'Yuzu 文件复制失败')
     shutil.rmtree(tmp_dir)
 
 
@@ -166,11 +171,15 @@ def detect_yuzu_version():
     return version
 
 
-def kill_all_yuzu_instance():
+def kill_all_yuzu_instance(yuzu_path: Path = None):
     import psutil
     kill_flag = False
     for p in psutil.process_iter():
         if p.name() == 'yuzu.exe':
+            if yuzu_path is not None:
+                process_path = Path(p.exe()).parent.absolute()
+                if yuzu_path.absolute() != process_path:
+                    continue
             send_notify(f'关闭 yuzu 进程 [{p.pid}]')
             logger.info(f'kill yuzu.exe [{p.pid}]')
             p.kill()
diff --git a/utils/doh.py b/utils/doh.py
index c880aba..c1e2541 100644
--- a/utils/doh.py
+++ b/utils/doh.py
@@ -21,6 +21,7 @@
 # DOH_SERVER = '120.53.53.53'
 # aliyun https://dns.alidns.com
 DOH_SERVER = '223.5.5.5'
+session = requests.Session()
 
 resolver = dns.resolver.Resolver(configure=False)
 resolver.nameservers = ["223.5.5.5", '119.29.29.29']
@@ -99,20 +100,19 @@ def query_address(name, record_type='A', server=DOH_SERVER, path="/dns-query", f
         return retval
 
     try:
-        with requests.sessions.Session() as session:
-            q = dns.message.make_query(name, dns.rdatatype.from_text(record_type))
-            resp = dns.query.https(q, server, session=session)
-            # print(f'[{name}] doh answer: {resp.answer}')
-            logger.debug(f'doh answer of [{name} in {record_type}]: {resp.answer}')
-            if not resp.answer:
-                return []
-            retval = []
-            for answer in resp.answer:
-                if answer.rdtype not in {dns.rdatatype.AAAA, dns.rdatatype.A}:
-                    continue
-                update_dns_cache(name, answer)
-                for item in answer:
-                    retval.append(item.address)
+        q = dns.message.make_query(name, dns.rdatatype.from_text(record_type))
+        resp = dns.query.https(q, server, session=session)
+        # print(f'[{name}] doh answer: {resp.answer}')
+        logger.debug(f'doh answer of [{name} in {record_type}]: {resp.answer}')
+        if not resp.answer:
+            return []
+        retval = []
+        for answer in resp.answer:
+            if answer.rdtype not in {dns.rdatatype.AAAA, dns.rdatatype.A}:
+                continue
+            update_dns_cache(name, answer)
+            for item in answer:
+                retval.append(item.address)
     except Exception as ex:
         if verbose:
             logger.debug("Exception occurred: '%s'" % ex)
diff --git a/utils/network.py b/utils/network.py
index a5896d1..b54a03e 100644
--- a/utils/network.py
+++ b/utils/network.py
@@ -30,6 +30,7 @@
 session.mount('https://cfrp.e6ex.com', HTTPAdapter(max_retries=5))
 session.mount('https://nsarchive.e6ex.com', HTTPAdapter(max_retries=5))
 session.mount('https://api.github.com', HTTPAdapter(max_retries=5))
+session.mount('https://cdn.jsdelivr.net', HTTPAdapter(max_retries=5))
 
 options_on_proxy = {
     'split': '16',
diff --git a/vue/src/pages/YuzuCheatsManagement.vue b/vue/src/pages/YuzuCheatsManagement.vue
index 9d33fd4..e456f76 100644
--- a/vue/src/pages/YuzuCheatsManagement.vue
+++ b/vue/src/pages/YuzuCheatsManagement.vue
@@ -15,6 +15,7 @@
               item-value="cheats_path"
               label="选择游戏 mod 目录"
               hide-details
+              :disabled="!cheatsInited"
             ></v-select>
           </v-col>
         </v-row>
@@ -89,14 +90,15 @@ export default {
   components: {SimplePage},
   data() {
     return {
-      selected: false,
+      cheatsInited: false,
       cheatsFolders: [],
       selectedFolder: '',
       cheatFiles: [],
       selectedCheatFile: '',
       cheatItems: [],
-      cheatItemBoxHeight: 340,
-      descriptionHtml: ''
+      cheatItemBoxHeight: 410,
+      descriptionHtml: '',
+      gameDataInited: false,
     }
   },
   async created() {
@@ -117,15 +119,28 @@ export default {
       let resp = await window.eel.scan_all_cheats_folder()()
       if (resp.code === 0 && resp.data) {
         this.cheatsFolders = resp.data
+        window.eel.get_game_data()((resp) => {
+          this.gameDataInited = true
+          if (resp.code === 0) {
+            let nl = []
+            for (let item of this.cheatsFolders) {
+              item.game_name = resp.data[item.game_id]
+              nl.push(item)
+            }
+            this.cheatsFolders = nl;
+          }
+        });
+        this.cheatsInited = true
         return this.cheatsFolders
       }
       return []
     },
     updateCheatItemBoxHeight() {
-      this.cheatItemBoxHeight = window.innerHeight - 510
+      this.cheatItemBoxHeight = window.innerHeight - 440
     },
     concatFolderItemName(item) {
-      return `[${item.game_id}] ${item.game_name ? item.game_name : '未能识别的游戏'}`
+      let gameName = item.game_name ? item.game_name : this.gameDataInited ? '未知游戏' : '游戏信息加载中...'
+      return `[${item.game_id}] ${gameName}`
     },
     listAllCheatFilesFromFolder(selectedFolder) {
       window.eel.list_all_cheat_files_from_folder(selectedFolder)((resp) => {