diff --git a/docs/chapter_computational_complexity/time_complexity.md b/docs/chapter_computational_complexity/time_complexity.md
index 22dc3472..8ef61d06 100644
--- a/docs/chapter_computational_complexity/time_complexity.md
+++ b/docs/chapter_computational_complexity/time_complexity.md
@@ -684,7 +684,7 @@ $$
 
 <div class="center-table" markdown>
 
-| 操作数量 $T(n)$        | 时间复杂度 $O(f(n))$ |
+| 操作数量 $T(n)$         | 时间复杂度 $O(f(n))$   |
 | ---------------------- | -------------------- |
 | $100000$               | $O(1)$               |
 | $3n + 2$               | $O(n)$               |