diff --git a/libresvip/plugins/aisp/aisingers_generator.py b/libresvip/plugins/aisp/aisingers_generator.py
index 69110b2a8..64ba84a15 100644
--- a/libresvip/plugins/aisp/aisingers_generator.py
+++ b/libresvip/plugins/aisp/aisingers_generator.py
@@ -195,7 +195,7 @@ def generate_pitch(self, pitch_param_curve: ParamCurve, note: Note) -> list[floa
         pitch_param_in_note = [
             p
             for p in pitch_param_curve.points.root
-            if note.start_pos + self.first_bar_length <= p.x <= note.end_pos + self.first_bar_length
+            if note.start_pos + self.first_bar_length <= p.x < note.end_pos + self.first_bar_length
         ]
 
         pitch_param_time_in_note = dict(pitch_param_in_note)
diff --git a/libresvip/plugins/nn/niaoniao_generator.py b/libresvip/plugins/nn/niaoniao_generator.py
index 75d0261e5..4656f152c 100644
--- a/libresvip/plugins/nn/niaoniao_generator.py
+++ b/libresvip/plugins/nn/niaoniao_generator.py
@@ -93,7 +93,7 @@ def generate_pitch(self, pitch_param_curve: ParamCurve, note: Note) -> NNPoints:
             p
             for p in pitch_param_curve.points.root
             if p.x >= note.start_pos + self.first_bar_length
-            and p.x <= note.start_pos + self.first_bar_length + note.length
+            and p.x < note.end_pos + self.first_bar_length
         ]
 
         pitch_param_time_in_note = dict(pitch_param_in_note)
diff --git a/libresvip/plugins/y77/y77_generator.py b/libresvip/plugins/y77/y77_generator.py
index cd75e015b..f516c6f70 100644
--- a/libresvip/plugins/y77/y77_generator.py
+++ b/libresvip/plugins/y77/y77_generator.py
@@ -62,7 +62,7 @@ def generate_pitch(self, pitch_param_curve: ParamCurve, note: Note) -> list[floa
             p
             for p in pitch_param_curve.points.root
             if p.x >= note.start_pos + self.first_bar_length
-            and p.x <= note.start_pos + self.first_bar_length + note.length
+            and p.x <= note.end_pos + self.first_bar_length
         ]
 
         pitch_param_time_in_note = dict(pitch_param_in_note)