Shouchun (495) — the same event in Book of Southern Qi and History of the Southern Dynasties

Book of Southern Qi: The enemy withdraw from Shouchun and martial law is lifted; History of the Southern Dynasties: The Northern Wei army withdrew…

What each source says

The enemy withdraw from Shouchun and martial law is lifted

虜自壽春退走
Location: 南齊書卷6 建武2年

The Northern Wei army withdrew from Shouchun.

魏軍自壽春退
Location: 南史卷5 建武2年

Place: 壽春