fix: msg_stamp.size() is unsigned,should convert to int (#2523)

TouchZZZ

2025-05-22 eccf74684743593950ad259877db7ce9ffc06e93

1
2
3
4
5
6
7
8
9
c    1
cc    2
ccc    3
cd    4
d    5
dc    6
dcc    7
dccc    8
cm    9