diff --git a/src/nonebot_plugins/trimo_plugin_msctconverter/msctexec.py b/src/nonebot_plugins/trimo_plugin_msctconverter/msctexec.py
index badfefe..2aba2a7 100644
--- a/src/nonebot_plugins/trimo_plugin_msctconverter/msctexec.py
+++ b/src/nonebot_plugins/trimo_plugin_msctconverter/msctexec.py
@@ -997,6 +997,7 @@ async def _(
                             old_exe_format=_args["old-execute-format"],
                             min_volume=_args["minimal-volume"],
                             vol_processing_func=volume_curve,
+                            midi_charset="latin1",
                         )
                         add_memory_to_temporary(
                             identify_cmp,
diff --git a/src/nonebot_plugins/trimo_plugin_msctconverter/mspvexec.py b/src/nonebot_plugins/trimo_plugin_msctconverter/mspvexec.py
index bd1b0f5..44c2031 100644
--- a/src/nonebot_plugins/trimo_plugin_msctconverter/mspvexec.py
+++ b/src/nonebot_plugins/trimo_plugin_msctconverter/mspvexec.py
@@ -363,6 +363,7 @@ async def _(
                             pitched_note_table=pitched_notechart,
                             percussion_note_table=percussion_notechart,
                             vol_processing_func=volume_curve,
+                            midi_charset="latin1",
                         )
                         add_memory_to_temporary(
                             identify_cmp,