diff --git a/docs/chapter_computational_complexity/time_complexity.md b/docs/chapter_computational_complexity/time_complexity.md
index 676ee168..a6a749fa 100644
--- a/docs/chapter_computational_complexity/time_complexity.md
+++ b/docs/chapter_computational_complexity/time_complexity.md
@@ -1626,7 +1626,6 @@ $$
     }
     ```
 
-
 === "Rust"
 
     ```rust title="time_complexity.swift"
@@ -2377,7 +2376,6 @@ $$
     }
     ```
 
-
 ![time_complexity_logarithmic_linear](time_complexity.assets/time_complexity_logarithmic_linear.png)
 
 <p align="center"> Fig. 线性对数阶的时间复杂度 </p>