diff --git a/src/nonebot_plugins/trimo_plugin_msctconverter/command_structure.py b/src/nonebot_plugins/trimo_plugin_msctconverter/command_structure.py
index 1a5eba2..dcbf9e3 100644
--- a/src/nonebot_plugins/trimo_plugin_msctconverter/command_structure.py
+++ b/src/nonebot_plugins/trimo_plugin_msctconverter/command_structure.py
@@ -226,7 +226,7 @@ async def read_file_into_command_lines(
     cdt = False
     note = ""
     functionList = []
-    for lines in (await read_file(file_path=file_, mode="r")).split("\n\n"):  # type: ignore
+    for lines in (await read_file(file_path=file_, mode="r", encoding="utf-8")).split("\n\n"):  # type: ignore
         funcGroup = []
         for line in lines.split("\n"):
             if line.strip().startswith("#"):
diff --git a/src/nonebot_plugins/trimo_plugin_msctconverter/msctexec.py b/src/nonebot_plugins/trimo_plugin_msctconverter/msctexec.py
index 67c5bbc..041b31a 100644
--- a/src/nonebot_plugins/trimo_plugin_msctconverter/msctexec.py
+++ b/src/nonebot_plugins/trimo_plugin_msctconverter/msctexec.py
@@ -322,7 +322,7 @@ async def _():
         "-删除临时内容-",
     )
     global something_temporary
-    for index_, stuff_component in something_temporary.items():
+    for index_, stuff_component in something_temporary.copy().items():
         if stuff_component["time"] <= 0:  # type: ignore
             if isinstance(stuff_component["stuff"], (str, Path, os.PathLike)):
                 try:
diff --git a/src/utils/io/file.py b/src/utils/io/file.py
index c25a9c7..234db34 100644
--- a/src/utils/io/file.py
+++ b/src/utils/io/file.py
@@ -4,7 +4,8 @@ import aiofiles
 async def write_file(
         file_path: str,
         content: str | bytes,
-        mode: str = "w"
+        mode: str = "w",
+        **kws,
 ):
     """
     写入文件
@@ -13,11 +14,11 @@ async def write_file(
         file_path: 文件路径
         content: 内容
     """
-    async with aiofiles.open(file_path, mode) as f:
+    async with aiofiles.open(file_path, mode, **kws) as f:
         await f.write(content)
 
 
-async def read_file(file_path: str, mode: str = "r") -> str:
+async def read_file(file_path: str, mode: str = "r", **kws) -> str:
     """
     读取文件
     Args:
@@ -25,5 +26,5 @@ async def read_file(file_path: str, mode: str = "r") -> str:
         mode: 读取模式
     Returns:
     """
-    async with aiofiles.open(file_path, mode) as f:
+    async with aiofiles.open(file_path, mode, **kws) as f:
         return await f.read()