diff --git a/codes/rust/chapter_computational_complexity/leetcode_two_sum.rs b/codes/rust/chapter_computational_complexity/leetcode_two_sum.rs
index f6d457309..821d52c92 100644
--- a/codes/rust/chapter_computational_complexity/leetcode_two_sum.rs
+++ b/codes/rust/chapter_computational_complexity/leetcode_two_sum.rs
@@ -1,7 +1,7 @@
 /**
  * File: leetcode_two_sum.rs
  * Created Time: 2023-01-14
- * Author: xBLACICEx (xBLACKICEx@outlook.com )
+ * Author: xBLACICEx (xBLACKICEx@outlook.com)
 */
 
 use std::collections::HashMap;
diff --git a/codes/rust/chapter_computational_complexity/space_complexity.rs b/codes/rust/chapter_computational_complexity/space_complexity.rs
index 37064fcd3..c2327c786 100644
--- a/codes/rust/chapter_computational_complexity/space_complexity.rs
+++ b/codes/rust/chapter_computational_complexity/space_complexity.rs
@@ -1,9 +1,9 @@
-#![allow(unused_variables)]
 /**
- * File: space_complexity.cpp
+ * File: space_complexity.rs
  * Created Time: 2023-01-13
- * Author: xBLACICEx (xBLACKICEx@outlook.com )
+ * Author: xBLACICEx (xBLACKICEx@outlook.com)
 */
+#[allow(unused_variables)]
 
 use std::collections::HashMap;
 
diff --git a/codes/rust/chapter_computational_complexity/time_complexity.rs b/codes/rust/chapter_computational_complexity/time_complexity.rs
index 942ba471d..6ddacc5c7 100644
--- a/codes/rust/chapter_computational_complexity/time_complexity.rs
+++ b/codes/rust/chapter_computational_complexity/time_complexity.rs
@@ -1,9 +1,9 @@
-#![allow(unused_variables)]
 /**
- * File: time_complexity.cpp
+ * File: time_complexity.rs
  * Created Time: 2023-01-10
- * Author: xBLACICEx (xBLACKICEx@outlook.com )
+ * Author: xBLACICEx (xBLACKICEx@outlook.com)
 */
+#[allow(unused_variables)]
 
 /* 常数阶 */
 fn constant(n: i32) -> i32 {
@@ -98,6 +98,7 @@ fn logarithmic(mut n: i32) -> i32 {
     count
 }
 
+/* 对数阶（递归实现） */
 fn log_recur(n: i32) -> i32 {
     if n <= 1 {
         return 0;
diff --git a/codes/rust/chapter_computational_complexity/worst_best_time_complexity.rs b/codes/rust/chapter_computational_complexity/worst_best_time_complexity.rs
index 23c2d646e..179d358d1 100644
--- a/codes/rust/chapter_computational_complexity/worst_best_time_complexity.rs
+++ b/codes/rust/chapter_computational_complexity/worst_best_time_complexity.rs
@@ -1,10 +1,10 @@
-//   rand = "0.8.5"
 /**
- * File: time_complexity.cpp
+ * File: time_complexity.rs
  * Created Time: 2023-01-13
- * Author: xBLACICEx (xBLACKICEx@outlook.com )
+ * Author: xBLACICEx (xBLACKICEx@outlook.com)
  */
 
+// rand = "0.8.5"
 // to compilse and run this singile file need:
 // 1. cargo install cargo-single
 // 2. cargo single run worst_best_time_complexity.rs