diff --git a/bot.py b/bot.py
index 324f5dc3..a2c28ec5 100644
--- a/bot.py
+++ b/bot.py
@@ -51,9 +51,7 @@ def run_bot():
     cache_path = os.path.abspath(Config('cache_path'))
     if os.path.exists(cache_path):
         shutil.rmtree(cache_path)
-        os.mkdir(cache_path)
-    else:
-        os.mkdir(cache_path)
+    os.mkdir(cache_path)
 
     pid_cache = os.path.abspath('.pid_last')
     if os.path.exists(pid_cache):
diff --git a/modules/arcaea/__init__.py b/modules/arcaea/__init__.py
index d2edb248..8458d982 100644
--- a/modules/arcaea/__init__.py
+++ b/modules/arcaea/__init__.py
@@ -39,7 +39,7 @@ async def _(msg: Bot.MessageSession, use_local=True):
         use_local = False
     resp = await get_url((web_render_local if use_local else web_render) + 'source?url=' +
                          urllib.parse.quote('https://webapi.lowiro.com/webapi/serve/static/bin/arcaea/apk/'), 200,
-                         fmt='json')
+                         fmt='json', request_private_ip=True)
     if resp:
         await msg.finish([Plain(msg.locale.t("arcaea.message.download", version=resp["value"]["version"],
                                              url=resp['value']['url']))])
@@ -56,7 +56,7 @@ async def _(msg: Bot.MessageSession, use_local=True):
         use_local = False
     resp = await get_url((web_render_local if use_local else web_render) + 'source?url=' +
                          urllib.parse.quote('https://webapi.lowiro.com/webapi/song/showcase/'),
-                         200, fmt='json')
+                         200, fmt='json', request_private_ip=True)
     if resp:
         value = resp["value"][0]
         image = f'{assets_path}/jacket/{value["song_id"]}.jpg'
@@ -68,7 +68,8 @@ async def _(msg: Bot.MessageSession, use_local=True):
         await msg.finish(msg.locale.t("arcaea.message.get_failed"))
 
 
-@arc.command('rank free {{arcaea.help.rank.free}}', 'rank paid {{arcaea.help.rank.paid}}')
+@arc.command('rank free {{arcaea.help.rank.free}}', 
+             'rank paid {{arcaea.help.rank.paid}}')
 async def _(msg: Bot.MessageSession, use_local=True):
     if not web_render_local:
         if not web_render:
@@ -78,10 +79,11 @@ async def _(msg: Bot.MessageSession, use_local=True):
     if msg.parsed_msg.get('free', False):
         resp = await get_url((web_render_local if use_local else web_render) + 'source?url=' +
                              urllib.parse.quote('https://webapi.lowiro.com/webapi/song/rank/free/'),
-                             200, fmt='json')
+                             200, fmt='json', request_private_ip=True)
     else:
         resp = await get_url((web_render_local if use_local else web_render) + 'source?url=' +
-                             urllib.parse.quote('https://webapi.lowiro.com/webapi/song/rank/paid/'), 200, fmt='json')
+                             urllib.parse.quote('https://webapi.lowiro.com/webapi/song/rank/paid/'),
+                             200, fmt='json', request_private_ip=True)
     if resp:
         r = []
         rank = 0
diff --git a/modules/core/su_utils.py b/modules/core/su_utils.py
index 1b238d50..9bb6bc7e 100644
--- a/modules/core/su_utils.py
+++ b/modules/core/su_utils.py
@@ -169,9 +169,7 @@ async def _():
     Logger.info('Start purging cache...')
     if os.path.exists(cache_path):
         shutil.rmtree(cache_path)
-        os.mkdir(cache_path)
-    else:
-        os.mkdir(cache_path)
+    os.mkdir(cache_path)
     
 
 set_ = module('set', required_superuser=True, base=True)
diff --git a/modules/maimai/libraries/maimai_best_50.py b/modules/maimai/libraries/maimai_best_50.py
index c47f4e03..35466943 100644
--- a/modules/maimai/libraries/maimai_best_50.py
+++ b/modules/maimai/libraries/maimai_best_50.py
@@ -408,7 +408,7 @@ async def generate(msg, payload) -> Tuple[Optional[Image.Image], bool]:
         elif str(e).startswith('403'):
             await msg.finish(msg.locale.t("maimai.message.forbidden"))
         else:
-            await msg.finish(ErrorMessage(str(e)))
+            raise
 
     sd_best = BestList(35)
     dx_best = BestList(15)
diff --git a/modules/maimai/libraries/maimaidx_api_data.py b/modules/maimai/libraries/maimaidx_api_data.py
index 01452173..6843b77c 100644
--- a/modules/maimai/libraries/maimaidx_api_data.py
+++ b/modules/maimai/libraries/maimaidx_api_data.py
@@ -15,51 +15,45 @@ cover_dir = f"{assets_path}/static/mai/cover"
 
 
 async def update_alias():
-    try:
-        url = "https://download.fanyu.site/maimai/alias.json"
-        input_data = await get_url(url, 200, fmt='json')
+    url = "https://download.fanyu.site/maimai/alias.json"
+    input_data = await get_url(url, 200, fmt='json')
 
-        output_data = {}
-        for key, values in input_data.items():
-            for value in values:
-                if value == "未找到":
-                    continue
-                if value not in output_data:
-                    output_data[value] = []
-                output_data[value].append(key)
+    output_data = {}
+    for key, values in input_data.items():
+        for value in values:
+            if value == "未找到":
+                continue
+            if value not in output_data:
+                output_data[value] = []
+            output_data[value].append(key)
 
-        output_data = {k: output_data[k] for k in sorted(output_data)}
-
-        file_path = os.path.join(assets_path, "mai_alias.json")
-        with open(file_path, 'w') as file:
-            json.dump(output_data, file)
-
-        return True
-    except:
-        return False
+    output_data = {k: output_data[k] for k in sorted(output_data)}
 
+    file_path = os.path.join(assets_path, "mai_alias.json")
+    with open(file_path, 'w') as file:
+        json.dump(output_data, file)
+        
+    return True
 
 
 async def update_covers():
-    try:
-        url = f"https://www.diving-fish.com/maibot/static.zip"
-        download_file = await download_to_cache(url, timeout=60)
+    url = f"https://www.diving-fish.com/maibot/static.zip"
+    download_file = await download_to_cache(url, timeout=60)
 
-        Logger.info('Maimai covers download completed.')
-        ca = random_cache_path()
-        shutil.unpack_archive(download_file, ca)
-        
-        if os.path.exists(cover_dir):
-            shutil.rmtree(cover_dir)
-        
-        static_cover_dir = os.path.join(ca, 'mai/cover')
-        if os.path.exists(static_cover_dir):
-            shutil.move(static_cover_dir, cover_dir)
+    Logger.info('Maimai covers download completed.')
+    ca = random_cache_path()
+    shutil.unpack_archive(download_file, ca)
 
-        os.remove(download_file)
-        return True
-    except:
-        return False
+    if os.path.exists(cover_dir):
+        shutil.rmtree(cover_dir)
+        
+    static_cover_dir = os.path.join(ca, 'mai/cover')
+    if os.path.exists(static_cover_dir):
+        shutil.move(static_cover_dir, cover_dir)
+
+    os.remove(download_file)
+
+    return True
 
 
 async def get_alias(msg, input_):
@@ -117,7 +111,7 @@ async def get_record(msg, payload):
         elif str(e).startswith('403'):
             await msg.finish(msg.locale.t("maimai.message.forbidden"))
         else:
-            await msg.finish(ErrorMessage(str(e)))
+            raise
     return data
 
 
@@ -137,5 +131,5 @@ async def get_plate(msg, payload):
         elif str(e).startswith('403'):
             await msg.finish(msg.locale.t("maimai.message.forbidden"))
         else:
-            await msg.finish(ErrorMessage(str(e)))
+            raise
     return data
diff --git a/schedulers/maimai_alias.py b/schedulers/maimai_alias.py
index 04c7997a..df7c46ca 100644
--- a/schedulers/maimai_alias.py
+++ b/schedulers/maimai_alias.py
@@ -1,11 +1,15 @@
+from config import Config
 from core.builtins import Bot
 from core.logger import Logger
-from core.scheduler import CronTrigger
-from core.scheduler import Scheduler
+from core.scheduler import CronTrigger, Scheduler
 from modules.maimai.libraries.maimaidx_api_data import update_alias
 
 
 @Scheduler.scheduled_job(CronTrigger.from_crontab('0 0 * * *'))
 async def maimai_alias():
     Logger.info('Updating maimai alias...')
-    await update_alias()
\ No newline at end of file
+    try:
+        await update_alias()
+    except Exception:
+        if Config('debug'):
+            Logger.error(traceback.format_exc())
\ No newline at end of file
diff --git a/schedulers/weekly_rss.py b/schedulers/weekly_rss.py
index 971d9b5f..bf526622 100644
--- a/schedulers/weekly_rss.py
+++ b/schedulers/weekly_rss.py
@@ -1,8 +1,7 @@
 from core.builtins import Bot
 from core.logger import Logger
 from core.queue import JobQueue
-from core.scheduler import CronTrigger
-from core.scheduler import Scheduler
+from core.scheduler import CronTrigger, Scheduler
 from modules.weekly import get_weekly
 from modules.weekly.teahouse import get_rss as get_teahouse_rss