diff --git a/libresvip/plugins/aisp/aisingers_generator.py b/libresvip/plugins/aisp/aisingers_generator.py
index d310c5a7..fce8355b 100644
--- a/libresvip/plugins/aisp/aisingers_generator.py
+++ b/libresvip/plugins/aisp/aisingers_generator.py
@@ -134,7 +134,8 @@ def generate_tracks(self, tracks: list[Track]) -> list[AISSingVoiceTrack]:
                             AISSingVoicePattern(
                                 uid=len(tracks) + len(ais_tracks),
                                 start=0,
-                                length=max(note.start + note.length for note in note_list),
+                                length=max(note.start + note.length for note in note_list)
+                                + self.first_bar_length,
                                 notes=note_list,
                             )
                         ],
@@ -169,10 +170,11 @@ def generate_tracks(self, tracks: list[Track]) -> list[AISSingVoiceTrack]:
     def generate_notes(self, track: SingingTrack) -> list[AISNote]:
         ais_notes = []
         for note in track.note_list:
+            note_start = int(note.start_pos / 15)
             ais_note = AISNote(
                 midi_no=note.key_number - 12,
-                start=round(note.start_pos / 15),
-                length=round(note.length / 15),
+                start=note_start,
+                length=int(note.end_pos / 15) - note_start,
                 lyric=note.lyric,
                 pinyin=note.pronunciation
                 or (
diff --git a/libresvip/plugins/svip/binsvip_parser.py b/libresvip/plugins/svip/binsvip_parser.py
index 7d03f56f..e1d685fe 100644
--- a/libresvip/plugins/svip/binsvip_parser.py
+++ b/libresvip/plugins/svip/binsvip_parser.py
@@ -16,6 +16,7 @@
     VibratoParam,
 )
 from libresvip.model.point import Point
+from libresvip.utils.text import CustomBoundriesBlacklist
 
 from .models import opensvip_singers, svip_note_head_tags, svip_reverb_presets
 from .msnrbf.xstudio_models import (
@@ -31,6 +32,12 @@
 )
 from .options import InputOptions
 
+unsupported_symbols = CustomBoundriesBlacklist(
+    [",", "，", ".", "。", "?", "？", "!", "！"],
+    right_boundary="$",
+    match_substrings=True,
+)
+
 
 @dataclasses.dataclass
 class BinarySvipParser:
@@ -106,7 +113,7 @@ def parse_note(self, note: XSNote) -> Note:
             length=note.width_pos,
             key_number=note.key_index - 12,
             head_tag=svip_note_head_tags.inverse.get(note.head_tag.value),
-            lyric=note.lyric,
+            lyric=unsupported_symbols.cleanse_text(note.lyric),
         )
         if pronunciation := note.pronouncing:
             result_note.pronunciation = pronunciation