diff --git a/plugins/genshin/gacha/gacha_log.py b/plugins/genshin/gacha/gacha_log.py
index 11297bf..5b99f18 100644
--- a/plugins/genshin/gacha/gacha_log.py
+++ b/plugins/genshin/gacha/gacha_log.py
@@ -1,4 +1,3 @@
-import json
 from io import BytesIO
 
 import genshin
@@ -39,6 +38,12 @@ from utils.helpers import get_genshin_client
 from utils.log import logger
 from utils.models.base import RegionEnum
 
+try:
+    import ujson as jsonlib
+
+except ImportError:
+    import json as jsonlib
+
 INPUT_URL, INPUT_FILE, CONFIRM_DELETE = range(10100, 10103)
 
 
@@ -62,7 +67,7 @@ class GachaLogPlugin(Plugin.Conversation, BasePlugin.Conversation):
     async def __async_init__(self):
         await update_paimon_moe_zh(False)
         async with async_open(GACHA_LOG_PAIMON_MOE_PATH, "r", encoding="utf-8") as load_f:
-            self.zh_dict = json.loads(await load_f.read())
+            self.zh_dict = jsonlib.loads(await load_f.read())
 
     async def _refresh_user_data(
         self, user: User, data: dict = None, authkey: str = None, verify_uid: bool = True
@@ -117,7 +122,7 @@ class GachaLogPlugin(Plugin.Conversation, BasePlugin.Conversation):
             await (await document.get_file()).download_to_memory(out=out)
             if file_type == "json":
                 # bytesio to json
-                data = json.loads(out.getvalue().decode("utf-8"))
+                data = jsonlib.loads(out.getvalue().decode("utf-8"))
             elif file_type == "xlsx":
                 data = self.gacha_log.convert_xlsx_to_uigf(out, self.zh_dict)
             else:
diff --git a/plugins/genshin/hilichurls.py b/plugins/genshin/hilichurls.py
index f7330b3..dadfa82 100644
--- a/plugins/genshin/hilichurls.py
+++ b/plugins/genshin/hilichurls.py
@@ -1,4 +1,3 @@
-import json
 from os import sep
 
 from telegram import Update
@@ -12,6 +11,12 @@ from utils.decorators.error import error_callable
 from utils.decorators.restricts import restricts
 from utils.log import logger
 
+try:
+    import ujson as jsonlib
+
+except ImportError:
+    import json as jsonlib
+
 
 class HilichurlsPlugin(Plugin, BasePlugin):
     """丘丘语字典."""
@@ -19,7 +24,7 @@ class HilichurlsPlugin(Plugin, BasePlugin):
     def __init__(self):
         """加载数据文件.数据整理自 https://wiki.biligame.com/ys By @zhxycn."""
         with open(f"resources{sep}json{sep}hilichurls_dictionary.json", "r", encoding="utf8") as f:
-            self.hilichurls_dictionary = json.load(f)
+            self.hilichurls_dictionary = jsonlib.load(f)
 
     @handler(CommandHandler, command="hilichurls", block=False)
     @restricts()
diff --git a/plugins/system/errorhandler.py b/plugins/system/errorhandler.py
index 4c62387..d4a50de 100644
--- a/plugins/system/errorhandler.py
+++ b/plugins/system/errorhandler.py
@@ -1,4 +1,3 @@
-import json
 import os
 import time
 import traceback
@@ -15,6 +14,12 @@ from core.plugin import Plugin, error_handler
 from modules.errorpush import PbClient, SentryClient, PbClientException, SentryClientException
 from utils.log import logger
 
+try:
+    import ujson as jsonlib
+
+except ImportError:
+    import json as jsonlib
+
 notice_chat_id = bot.config.error.notification_chat_id
 current_dir = os.getcwd()
 logs_dir = os.path.join(current_dir, "logs")
@@ -52,7 +57,7 @@ class ErrorHandler(Plugin):
 
         error_text = (
             f"-----Exception while handling an update-----\n"
-            f"update = {json.dumps(update_str, indent=2, ensure_ascii=False)}\n"
+            f"update = {jsonlib.dumps(update_str, indent=2, ensure_ascii=False)}\n"
             f"context.chat_data = {str(context.chat_data)}\n"
             f"context.user_data = {str(context.user_data)}\n"
             "\n"
diff --git a/plugins/system/update.py b/plugins/system/update.py
index 88dd846..8e58d60 100644
--- a/plugins/system/update.py
+++ b/plugins/system/update.py
@@ -1,5 +1,4 @@
 import asyncio
-import json
 import os
 from sys import executable
 
@@ -15,6 +14,12 @@ from utils.decorators.admins import bot_admins_rights_check
 from utils.helpers import execute
 from utils.log import logger
 
+try:
+    import ujson as jsonlib
+
+except ImportError:
+    import json as jsonlib
+
 current_dir = os.getcwd()
 
 UPDATE_DATA = os.path.join(current_dir, "data", "update.json")
@@ -28,7 +33,7 @@ class UpdatePlugin(Plugin):
     async def __async_init__():
         if os.path.exists(UPDATE_DATA):
             async with async_open(UPDATE_DATA) as file:
-                data = json.loads(await file.read())
+                data = jsonlib.loads(await file.read())
             try:
                 reply_text = Message.de_json(data, bot.app.bot)
                 await reply_text.edit_text("重启成功")