From eccf74684743593950ad259877db7ce9ffc06e93 Mon Sep 17 00:00:00 2001
From: TouchZZZ <zjw4235128@gmail.com>
Date: 星期四, 22 五月 2025 17:47:28 +0800
Subject: [PATCH] fix: msg_stamp.size() is unsigned,should convert to int (#2523)

---
 funasr/utils/timestamp_tools.py |    5 +++--
 1 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/funasr/utils/timestamp_tools.py b/funasr/utils/timestamp_tools.py
index 369dc1b..37ce886 100644
--- a/funasr/utils/timestamp_tools.py
+++ b/funasr/utils/timestamp_tools.py
@@ -84,7 +84,8 @@
         timestamp_list.append([_end * TIME_RATE, num_frames * TIME_RATE])
         new_char_list.append("<sil>")
     else:
-        timestamp_list[-1][1] = num_frames * TIME_RATE
+        if len(timestamp_list)>0:
+            timestamp_list[-1][1] = num_frames * TIME_RATE
     if vad_offset:  # add offset time in model with vad
         for i in range(len(timestamp_list)):
             timestamp_list[i][0] = timestamp_list[i][0] + vad_offset / 1000.0
@@ -159,7 +160,7 @@
         punc_id = int(punc_id) if punc_id is not None else 1
         sentence_end = timestamp[1] if timestamp is not None else sentence_end
         sentence_text_seg = (
-            sentence_text_seg[:-1] if sentence_text_seg[-1] == " " else sentence_text_seg
+            sentence_text_seg[:-1] if sentence_text_seg and sentence_text_seg[-1] == " " else sentence_text_seg
         )
         if punc_id > 1:
             sentence_text += punc_list[punc_id - 2]

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