diff --git a/aiia_vibevoice_nodes.py b/aiia_vibevoice_nodes.py
index 823ed69..083ba1a 100755
--- a/aiia_vibevoice_nodes.py
+++ b/aiia_vibevoice_nodes.py
@@ -266,7 +266,7 @@ class AIIA_VibeVoice_TTS:
         import re
         lines = text.split('\n')
         # Match "Role Name:" at start of line (limit to 30 chars to avoid long sentences)
-        role_pattern = re.compile(r'^([^\n:]{1,30})[:\uff1a]\s+')
+        role_pattern = re.compile(r'^([^\n:：。，、；！？.,;!?`\'\"]{1,15})[:\uff1a]\s+')
         # Already in [N] format
         bracket_pattern = re.compile(r'^\[\d+\]\s*[:\uff1a]')
         # Legacy Speaker N: format
diff --git a/pyproject.toml b/pyproject.toml
index 0c27b27..9948f0e 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,7 +1,7 @@
 [project]
 name = "aiia"
 description = "Advanced AI Audio/Video toolkit for ComfyUI. Features Multi-Role Podcast/Dialogue Generation, High-Fidelity Voice Cloning (CosyVoice/VibeVoice/IndexTTS-2), TTS, Media Management, and efficient Video tools."
-version = "1.15.2"
+version = "1.15.3"
 license = {file = "LICENSE"}
 readme = "README.md"
 authors = [