diff --git a/codes/c/chapter_array_and_linkedlist/array.c b/codes/c/chapter_array_and_linkedlist/array.c
index 300124a70..33dc99903 100644
--- a/codes/c/chapter_array_and_linkedlist/array.c
+++ b/codes/c/chapter_array_and_linkedlist/array.c
@@ -1,4 +1,4 @@
-/*
+/**
  * File: array.c
  * Created Time: 2022-12-20
  * Author: MolDuM (moldum@163.com)
diff --git a/codes/c/chapter_computational_complexity/time_complexity.c b/codes/c/chapter_computational_complexity/time_complexity.c
index 8df06a756..b8821ec6a 100644
--- a/codes/c/chapter_computational_complexity/time_complexity.c
+++ b/codes/c/chapter_computational_complexity/time_complexity.c
@@ -1,4 +1,4 @@
-/*
+/**
  * File: time_complexity.c
  * Created Time: 2023-01-03
  * Author: sjinzh (sjinzh@gmail.com)
@@ -172,4 +172,3 @@ int main(int argc, char *argv[]) {
     getchar();
     return 0;
 }
-
diff --git a/codes/c/chapter_computational_complexity/worst_best_time_complexity.c b/codes/c/chapter_computational_complexity/worst_best_time_complexity.c
index 88ed4dd2d..9173f32d4 100644
--- a/codes/c/chapter_computational_complexity/worst_best_time_complexity.c
+++ b/codes/c/chapter_computational_complexity/worst_best_time_complexity.c
@@ -1,4 +1,4 @@
-/*
+/**
  * File: worst_best_time_complexity.c
  * Created Time: 2023-01-03
  * Author: sjinzh (sjinzh@gmail.com)
@@ -52,4 +52,3 @@ int main(int argc, char *argv[]) {
     getchar();
     return 0;
 }
-
diff --git a/codes/c/chapter_sorting/insertion_sort.c b/codes/c/chapter_sorting/insertion_sort.c
index 318a40278..80e8b127b 100644
--- a/codes/c/chapter_sorting/insertion_sort.c
+++ b/codes/c/chapter_sorting/insertion_sort.c
@@ -1,4 +1,4 @@
-/*
+/**
  * File: insertion_sort.c
  * Created Time: 2022-12-29
  * Author: Listening (https://github.com/L-Super)
diff --git a/codes/c/include/PrintUtil.h b/codes/c/include/PrintUtil.h
index e471f0388..59a8eac1b 100644
--- a/codes/c/include/PrintUtil.h
+++ b/codes/c/include/PrintUtil.h
@@ -1,4 +1,4 @@
-/*
+/**
  * File: PrintUtil.h
  * Created Time: 2022-12-21
  * Author: MolDum (moldum@163.com)
@@ -26,5 +26,3 @@ static void printArray(int* arr, int n)
     }
     printf("%d]\n", arr[n-1]);
 }
-
-
diff --git a/codes/c/include/include.h b/codes/c/include/include.h
index c567aa2ec..2c4fd9252 100644
--- a/codes/c/include/include.h
+++ b/codes/c/include/include.h
@@ -1,4 +1,4 @@
-/*
+/**
  * File: include.h
  * Created Time: 2022-12-20
  * Author: MolDuM (moldum@163.com)
@@ -11,5 +11,3 @@
 #include <time.h>
 
 #include "PrintUtil.h"
-
-
diff --git a/codes/cpp/chapter_array_and_linkedlist/array.cpp b/codes/cpp/chapter_array_and_linkedlist/array.cpp
index 22c5e50dd..6cf4919be 100644
--- a/codes/cpp/chapter_array_and_linkedlist/array.cpp
+++ b/codes/cpp/chapter_array_and_linkedlist/array.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: array.cpp
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/chapter_array_and_linkedlist/linked_list.cpp b/codes/cpp/chapter_array_and_linkedlist/linked_list.cpp
index 4cf049204..13fa68691 100644
--- a/codes/cpp/chapter_array_and_linkedlist/linked_list.cpp
+++ b/codes/cpp/chapter_array_and_linkedlist/linked_list.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: linked_list.cpp
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/chapter_array_and_linkedlist/list.cpp b/codes/cpp/chapter_array_and_linkedlist/list.cpp
index 287cae1bb..44bbf88c8 100644
--- a/codes/cpp/chapter_array_and_linkedlist/list.cpp
+++ b/codes/cpp/chapter_array_and_linkedlist/list.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: list.cpp
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/chapter_array_and_linkedlist/my_list.cpp b/codes/cpp/chapter_array_and_linkedlist/my_list.cpp
index f64bd27c8..0b550475e 100644
--- a/codes/cpp/chapter_array_and_linkedlist/my_list.cpp
+++ b/codes/cpp/chapter_array_and_linkedlist/my_list.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: my_list.cpp
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/chapter_computational_complexity/leetcode_two_sum.cpp b/codes/cpp/chapter_computational_complexity/leetcode_two_sum.cpp
index 9df3b0a43..dd561d544 100644
--- a/codes/cpp/chapter_computational_complexity/leetcode_two_sum.cpp
+++ b/codes/cpp/chapter_computational_complexity/leetcode_two_sum.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: leetcode_two_sum.cpp
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/chapter_computational_complexity/space_complexity.cpp b/codes/cpp/chapter_computational_complexity/space_complexity.cpp
index 136e85bf6..6352b9d47 100644
--- a/codes/cpp/chapter_computational_complexity/space_complexity.cpp
+++ b/codes/cpp/chapter_computational_complexity/space_complexity.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: space_complexity.cpp
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/chapter_computational_complexity/time_complexity.cpp b/codes/cpp/chapter_computational_complexity/time_complexity.cpp
index 68408bcc8..cb1a20779 100644
--- a/codes/cpp/chapter_computational_complexity/time_complexity.cpp
+++ b/codes/cpp/chapter_computational_complexity/time_complexity.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: time_complexity.cpp
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/chapter_computational_complexity/worst_best_time_complexity.cpp b/codes/cpp/chapter_computational_complexity/worst_best_time_complexity.cpp
index 9b215cf81..c2916cb40 100644
--- a/codes/cpp/chapter_computational_complexity/worst_best_time_complexity.cpp
+++ b/codes/cpp/chapter_computational_complexity/worst_best_time_complexity.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: worst_best_time_complexity.cpp
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/chapter_hashing/array_hash_map.cpp b/codes/cpp/chapter_hashing/array_hash_map.cpp
index 394e36810..8b92174e2 100644
--- a/codes/cpp/chapter_hashing/array_hash_map.cpp
+++ b/codes/cpp/chapter_hashing/array_hash_map.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: array_hash_map.cpp
  * Created Time: 2022-12-14
  * Author: msk397 (machangxinq@gmail.com)
diff --git a/codes/cpp/chapter_hashing/hash_map.cpp b/codes/cpp/chapter_hashing/hash_map.cpp
index 898f679a0..829265d69 100644
--- a/codes/cpp/chapter_hashing/hash_map.cpp
+++ b/codes/cpp/chapter_hashing/hash_map.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: hash_map.cpp
  * Created Time: 2022-12-14
  * Author: msk397 (machangxinq@gmail.com)
diff --git a/codes/cpp/chapter_searching/binary_search.cpp b/codes/cpp/chapter_searching/binary_search.cpp
index 9729128a6..8d727ab40 100644
--- a/codes/cpp/chapter_searching/binary_search.cpp
+++ b/codes/cpp/chapter_searching/binary_search.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: binary_search.cpp
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/chapter_searching/hashing_search.cpp b/codes/cpp/chapter_searching/hashing_search.cpp
index 674376ff0..ebc2fb01c 100644
--- a/codes/cpp/chapter_searching/hashing_search.cpp
+++ b/codes/cpp/chapter_searching/hashing_search.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: hashing_search.cpp
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/chapter_searching/linear_search.cpp b/codes/cpp/chapter_searching/linear_search.cpp
index e1f2a567b..7b5092762 100644
--- a/codes/cpp/chapter_searching/linear_search.cpp
+++ b/codes/cpp/chapter_searching/linear_search.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: linear_search.cpp
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/chapter_sorting/bubble_sort.cpp b/codes/cpp/chapter_sorting/bubble_sort.cpp
index 87ca305d1..27427cae3 100644
--- a/codes/cpp/chapter_sorting/bubble_sort.cpp
+++ b/codes/cpp/chapter_sorting/bubble_sort.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: bubble_sort.cpp
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/chapter_sorting/insertion_sort.cpp b/codes/cpp/chapter_sorting/insertion_sort.cpp
index 9ae5988ce..a40e4a5f7 100644
--- a/codes/cpp/chapter_sorting/insertion_sort.cpp
+++ b/codes/cpp/chapter_sorting/insertion_sort.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: insertion_sort.cpp
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/chapter_sorting/merge_sort.cpp b/codes/cpp/chapter_sorting/merge_sort.cpp
index b406529a3..89b5b09cd 100644
--- a/codes/cpp/chapter_sorting/merge_sort.cpp
+++ b/codes/cpp/chapter_sorting/merge_sort.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: merge_sort.cpp
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/chapter_sorting/quick_sort.cpp b/codes/cpp/chapter_sorting/quick_sort.cpp
index 4e4430e77..c298f5be8 100644
--- a/codes/cpp/chapter_sorting/quick_sort.cpp
+++ b/codes/cpp/chapter_sorting/quick_sort.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: quick_sort.cpp
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/chapter_stack_and_queue/array_queue.cpp b/codes/cpp/chapter_stack_and_queue/array_queue.cpp
index 8e87da501..de5e780f6 100644
--- a/codes/cpp/chapter_stack_and_queue/array_queue.cpp
+++ b/codes/cpp/chapter_stack_and_queue/array_queue.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: array_queue.cpp
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/chapter_stack_and_queue/array_stack.cpp b/codes/cpp/chapter_stack_and_queue/array_stack.cpp
index e9ecae2a8..e6159e8cf 100644
--- a/codes/cpp/chapter_stack_and_queue/array_stack.cpp
+++ b/codes/cpp/chapter_stack_and_queue/array_stack.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: array_stack.cpp
  * Created Time: 2022-11-28
  * Author: qualifier1024 (2539244001@qq.com)
diff --git a/codes/cpp/chapter_stack_and_queue/deque.cpp b/codes/cpp/chapter_stack_and_queue/deque.cpp
index 96cf58111..e60af11e1 100644
--- a/codes/cpp/chapter_stack_and_queue/deque.cpp
+++ b/codes/cpp/chapter_stack_and_queue/deque.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: deque.cpp
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/chapter_stack_and_queue/linkedlist_queue.cpp b/codes/cpp/chapter_stack_and_queue/linkedlist_queue.cpp
index 10cba0aaf..ae22740d6 100644
--- a/codes/cpp/chapter_stack_and_queue/linkedlist_queue.cpp
+++ b/codes/cpp/chapter_stack_and_queue/linkedlist_queue.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: linkedlist_queue.cpp
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/chapter_stack_and_queue/linkedlist_stack.cpp b/codes/cpp/chapter_stack_and_queue/linkedlist_stack.cpp
index cf6f6ab3d..495f2660f 100644
--- a/codes/cpp/chapter_stack_and_queue/linkedlist_stack.cpp
+++ b/codes/cpp/chapter_stack_and_queue/linkedlist_stack.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: linkedlist_stack.cpp
  * Created Time: 2022-11-28
  * Author: qualifier1024 (2539244001@qq.com)
diff --git a/codes/cpp/chapter_stack_and_queue/queue.cpp b/codes/cpp/chapter_stack_and_queue/queue.cpp
index 2ca504a20..6bc37302c 100644
--- a/codes/cpp/chapter_stack_and_queue/queue.cpp
+++ b/codes/cpp/chapter_stack_and_queue/queue.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: queue.cpp
  * Created Time: 2022-11-28
  * Author: qualifier1024 (2539244001@qq.com)
diff --git a/codes/cpp/chapter_stack_and_queue/stack.cpp b/codes/cpp/chapter_stack_and_queue/stack.cpp
index cc0276970..7bbfd6b9f 100644
--- a/codes/cpp/chapter_stack_and_queue/stack.cpp
+++ b/codes/cpp/chapter_stack_and_queue/stack.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: stack.cpp
  * Created Time: 2022-11-28
  * Author: qualifier1024 (2539244001@qq.com)
diff --git a/codes/cpp/chapter_tree/avl_tree.cpp b/codes/cpp/chapter_tree/avl_tree.cpp
index b816f9752..8bc0741dc 100644
--- a/codes/cpp/chapter_tree/avl_tree.cpp
+++ b/codes/cpp/chapter_tree/avl_tree.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: avl_tree.cpp
  * Created Time: 2022-12-2
  * Author: mgisr (maguagua0706@gmail.com)
diff --git a/codes/cpp/chapter_tree/binary_search_tree.cpp b/codes/cpp/chapter_tree/binary_search_tree.cpp
index c7f8734da..78e797746 100644
--- a/codes/cpp/chapter_tree/binary_search_tree.cpp
+++ b/codes/cpp/chapter_tree/binary_search_tree.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: binary_search_tree.cpp
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/chapter_tree/binary_tree.cpp b/codes/cpp/chapter_tree/binary_tree.cpp
index fb00431eb..cd06778ad 100644
--- a/codes/cpp/chapter_tree/binary_tree.cpp
+++ b/codes/cpp/chapter_tree/binary_tree.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: binary_tree.cpp
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/chapter_tree/binary_tree_bfs.cpp b/codes/cpp/chapter_tree/binary_tree_bfs.cpp
index 30c2d6007..236f62449 100644
--- a/codes/cpp/chapter_tree/binary_tree_bfs.cpp
+++ b/codes/cpp/chapter_tree/binary_tree_bfs.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: binary_tree_bfs.cpp
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/chapter_tree/binary_tree_dfs.cpp b/codes/cpp/chapter_tree/binary_tree_dfs.cpp
index 08a0a331e..51287b736 100644
--- a/codes/cpp/chapter_tree/binary_tree_dfs.cpp
+++ b/codes/cpp/chapter_tree/binary_tree_dfs.cpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: binary_tree_dfs.cpp
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/include/ListNode.hpp b/codes/cpp/include/ListNode.hpp
index bd91f2558..9e6bd0692 100644
--- a/codes/cpp/include/ListNode.hpp
+++ b/codes/cpp/include/ListNode.hpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: PrintUtil.hpp
  * Created Time: 2021-12-19
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/include/PrintUtil.hpp b/codes/cpp/include/PrintUtil.hpp
index 544ee85db..06397855b 100644
--- a/codes/cpp/include/PrintUtil.hpp
+++ b/codes/cpp/include/PrintUtil.hpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: PrintUtil.hpp
  * Created Time: 2021-12-19
  * Author: Krahets (krahets@163.com), msk397 (machangxinq@gmail.com)
diff --git a/codes/cpp/include/TreeNode.hpp b/codes/cpp/include/TreeNode.hpp
index b3b27a65b..ab54c7746 100644
--- a/codes/cpp/include/TreeNode.hpp
+++ b/codes/cpp/include/TreeNode.hpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: PrintUtil.hpp
  * Created Time: 2021-12-19
  * Author: Krahets (krahets@163.com)
diff --git a/codes/cpp/include/include.hpp b/codes/cpp/include/include.hpp
index 28eab2cdf..8e4a8070d 100644
--- a/codes/cpp/include/include.hpp
+++ b/codes/cpp/include/include.hpp
@@ -1,4 +1,4 @@
-/*
+/**
  * File: PrintUtil.hpp
  * Created Time: 2021-12-19
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_array_and_linkedlist/array.java b/codes/java/chapter_array_and_linkedlist/array.java
index 6afd3dfdb..d3cb176c6 100644
--- a/codes/java/chapter_array_and_linkedlist/array.java
+++ b/codes/java/chapter_array_and_linkedlist/array.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: array.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_array_and_linkedlist/linked_list.java b/codes/java/chapter_array_and_linkedlist/linked_list.java
index 3d4451178..570778ff5 100644
--- a/codes/java/chapter_array_and_linkedlist/linked_list.java
+++ b/codes/java/chapter_array_and_linkedlist/linked_list.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: linked_list.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_array_and_linkedlist/list.java b/codes/java/chapter_array_and_linkedlist/list.java
index 1f13bc2ef..dc4d897f7 100644
--- a/codes/java/chapter_array_and_linkedlist/list.java
+++ b/codes/java/chapter_array_and_linkedlist/list.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: list.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_array_and_linkedlist/my_list.java b/codes/java/chapter_array_and_linkedlist/my_list.java
index 1f9fdc3eb..cce8da683 100644
--- a/codes/java/chapter_array_and_linkedlist/my_list.java
+++ b/codes/java/chapter_array_and_linkedlist/my_list.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: my_list.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_computational_complexity/leetcode_two_sum.java b/codes/java/chapter_computational_complexity/leetcode_two_sum.java
index 45106867a..b9f8bf4d7 100644
--- a/codes/java/chapter_computational_complexity/leetcode_two_sum.java
+++ b/codes/java/chapter_computational_complexity/leetcode_two_sum.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: leetcode_two_sum.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_computational_complexity/space_complexity.java b/codes/java/chapter_computational_complexity/space_complexity.java
index a81026d8d..275a37ec0 100644
--- a/codes/java/chapter_computational_complexity/space_complexity.java
+++ b/codes/java/chapter_computational_complexity/space_complexity.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: space_complexity.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_computational_complexity/time_complexity.java b/codes/java/chapter_computational_complexity/time_complexity.java
index d303c5107..5a232e5b8 100644
--- a/codes/java/chapter_computational_complexity/time_complexity.java
+++ b/codes/java/chapter_computational_complexity/time_complexity.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: time_complexity.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_computational_complexity/worst_best_time_complexity.java b/codes/java/chapter_computational_complexity/worst_best_time_complexity.java
index 536bf3af0..c0fe0baa7 100644
--- a/codes/java/chapter_computational_complexity/worst_best_time_complexity.java
+++ b/codes/java/chapter_computational_complexity/worst_best_time_complexity.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: worst_best_time_complexity.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_hashing/array_hash_map.java b/codes/java/chapter_hashing/array_hash_map.java
index fb0073abd..68df1f3b9 100644
--- a/codes/java/chapter_hashing/array_hash_map.java
+++ b/codes/java/chapter_hashing/array_hash_map.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: hash_map.java
  * Created Time: 2022-12-04
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_hashing/hash_map.java b/codes/java/chapter_hashing/hash_map.java
index bb72a4b0f..fe3f822f4 100644
--- a/codes/java/chapter_hashing/hash_map.java
+++ b/codes/java/chapter_hashing/hash_map.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: hash_map.java
  * Created Time: 2022-12-04
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_searching/binary_search.java b/codes/java/chapter_searching/binary_search.java
index cb5bd9419..05c2a4d32 100644
--- a/codes/java/chapter_searching/binary_search.java
+++ b/codes/java/chapter_searching/binary_search.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: binary_search.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_searching/hashing_search.java b/codes/java/chapter_searching/hashing_search.java
index c68025de0..cfd015313 100644
--- a/codes/java/chapter_searching/hashing_search.java
+++ b/codes/java/chapter_searching/hashing_search.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: hashing_search.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_searching/linear_search.java b/codes/java/chapter_searching/linear_search.java
index 2e8e410ec..c33b51178 100644
--- a/codes/java/chapter_searching/linear_search.java
+++ b/codes/java/chapter_searching/linear_search.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: linear_search.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_sorting/bubble_sort.java b/codes/java/chapter_sorting/bubble_sort.java
index f006a3ab8..082d2d909 100644
--- a/codes/java/chapter_sorting/bubble_sort.java
+++ b/codes/java/chapter_sorting/bubble_sort.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: bubble_sort.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_sorting/insertion_sort.java b/codes/java/chapter_sorting/insertion_sort.java
index 9a6a03102..fb5b2cd66 100644
--- a/codes/java/chapter_sorting/insertion_sort.java
+++ b/codes/java/chapter_sorting/insertion_sort.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: insertion_sort.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_sorting/merge_sort.java b/codes/java/chapter_sorting/merge_sort.java
index fe9f183a5..68f76c9b1 100644
--- a/codes/java/chapter_sorting/merge_sort.java
+++ b/codes/java/chapter_sorting/merge_sort.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: merge_sort.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_sorting/quick_sort.java b/codes/java/chapter_sorting/quick_sort.java
index d65aa8e4b..b121b757b 100644
--- a/codes/java/chapter_sorting/quick_sort.java
+++ b/codes/java/chapter_sorting/quick_sort.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: quick_sort.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_stack_and_queue/array_queue.java b/codes/java/chapter_stack_and_queue/array_queue.java
index 198c90714..5a1ab645d 100644
--- a/codes/java/chapter_stack_and_queue/array_queue.java
+++ b/codes/java/chapter_stack_and_queue/array_queue.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: array_queue.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_stack_and_queue/array_stack.java b/codes/java/chapter_stack_and_queue/array_stack.java
index 12ac52831..e32b16404 100644
--- a/codes/java/chapter_stack_and_queue/array_stack.java
+++ b/codes/java/chapter_stack_and_queue/array_stack.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: array_stack.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_stack_and_queue/deque.java b/codes/java/chapter_stack_and_queue/deque.java
index a29e6e7c3..1a8f196b1 100644
--- a/codes/java/chapter_stack_and_queue/deque.java
+++ b/codes/java/chapter_stack_and_queue/deque.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: deque.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_stack_and_queue/linkedlist_queue.java b/codes/java/chapter_stack_and_queue/linkedlist_queue.java
index 92cdfab0e..82e2571c2 100644
--- a/codes/java/chapter_stack_and_queue/linkedlist_queue.java
+++ b/codes/java/chapter_stack_and_queue/linkedlist_queue.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: linkedlist_queue.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_stack_and_queue/linkedlist_stack.java b/codes/java/chapter_stack_and_queue/linkedlist_stack.java
index 794c80c31..b1a78aa4a 100644
--- a/codes/java/chapter_stack_and_queue/linkedlist_stack.java
+++ b/codes/java/chapter_stack_and_queue/linkedlist_stack.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: linkedlist_stack.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_stack_and_queue/queue.java b/codes/java/chapter_stack_and_queue/queue.java
index 232943fb1..25457fbdb 100644
--- a/codes/java/chapter_stack_and_queue/queue.java
+++ b/codes/java/chapter_stack_and_queue/queue.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: queue.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_stack_and_queue/stack.java b/codes/java/chapter_stack_and_queue/stack.java
index 9c94eb62b..2a7259220 100644
--- a/codes/java/chapter_stack_and_queue/stack.java
+++ b/codes/java/chapter_stack_and_queue/stack.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: stack.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_tree/avl_tree.java b/codes/java/chapter_tree/avl_tree.java
index 2f731b7e4..9120262f4 100644
--- a/codes/java/chapter_tree/avl_tree.java
+++ b/codes/java/chapter_tree/avl_tree.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: avl_tree.java
  * Created Time: 2022-12-10
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_tree/binary_search_tree.java b/codes/java/chapter_tree/binary_search_tree.java
index 4a7c53dba..4a7f3194e 100644
--- a/codes/java/chapter_tree/binary_search_tree.java
+++ b/codes/java/chapter_tree/binary_search_tree.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: binary_search_tree.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_tree/binary_tree.java b/codes/java/chapter_tree/binary_tree.java
index 8f25a9a16..65a511e8c 100644
--- a/codes/java/chapter_tree/binary_tree.java
+++ b/codes/java/chapter_tree/binary_tree.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: binary_tree.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_tree/binary_tree_bfs.java b/codes/java/chapter_tree/binary_tree_bfs.java
index 524274a68..c000eacea 100644
--- a/codes/java/chapter_tree/binary_tree_bfs.java
+++ b/codes/java/chapter_tree/binary_tree_bfs.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: binary_tree_bfs.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/chapter_tree/binary_tree_dfs.java b/codes/java/chapter_tree/binary_tree_dfs.java
index fa866d965..1d3026dfb 100644
--- a/codes/java/chapter_tree/binary_tree_dfs.java
+++ b/codes/java/chapter_tree/binary_tree_dfs.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: binary_tree_dfs.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/include/ListNode.java b/codes/java/include/ListNode.java
index 14308feb4..60590100a 100755
--- a/codes/java/include/ListNode.java
+++ b/codes/java/include/ListNode.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: ListNode.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/include/PrintUtil.java b/codes/java/include/PrintUtil.java
index b8c970504..f21bc17c9 100755
--- a/codes/java/include/PrintUtil.java
+++ b/codes/java/include/PrintUtil.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: PrintUtil.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/java/include/TreeNode.java b/codes/java/include/TreeNode.java
index 98b9f826e..b98252665 100644
--- a/codes/java/include/TreeNode.java
+++ b/codes/java/include/TreeNode.java
@@ -1,4 +1,4 @@
-/*
+/**
  * File: TreeNode.java
  * Created Time: 2022-11-25
  * Author: Krahets (krahets@163.com)
diff --git a/codes/javascript/chapter_array_and_linkedlist/list.js b/codes/javascript/chapter_array_and_linkedlist/list.js
index 19318337f..593917589 100644
--- a/codes/javascript/chapter_array_and_linkedlist/list.js
+++ b/codes/javascript/chapter_array_and_linkedlist/list.js
@@ -1,4 +1,4 @@
-/*
+/**
  * File: list.js
  * Created Time: 2022-12-12
  * Author: Justin (xiefahit@gmail.com)
diff --git a/codes/javascript/chapter_array_and_linkedlist/my_list.js b/codes/javascript/chapter_array_and_linkedlist/my_list.js
index a861b1f0d..388bb1f3d 100644
--- a/codes/javascript/chapter_array_and_linkedlist/my_list.js
+++ b/codes/javascript/chapter_array_and_linkedlist/my_list.js
@@ -1,4 +1,4 @@
-/*
+/**
  * File: my_list.js
  * Created Time: 2022-12-12
  * Author: Justin (xiefahit@gmail.com)
diff --git a/codes/javascript/chapter_hashing/array_hash_map.js b/codes/javascript/chapter_hashing/array_hash_map.js
index f5c77aa2b..405d0f318 100644
--- a/codes/javascript/chapter_hashing/array_hash_map.js
+++ b/codes/javascript/chapter_hashing/array_hash_map.js
@@ -1,4 +1,4 @@
-/*
+/**
  * File: array_hash_map.js
  * Created Time: 2022-12-26
  * Author: Justin (xiefahit@gmail.com)
diff --git a/codes/javascript/chapter_hashing/hash_map.js b/codes/javascript/chapter_hashing/hash_map.js
index 197fb7dd9..9157b3159 100644
--- a/codes/javascript/chapter_hashing/hash_map.js
+++ b/codes/javascript/chapter_hashing/hash_map.js
@@ -1,4 +1,4 @@
-/*
+/**
  * File: hash_map.js
  * Created Time: 2022-12-26
  * Author: Justin (xiefahit@gmail.com)
diff --git a/codes/swift/chapter_computational_complexity/leetcode_two_sum.swift b/codes/swift/chapter_computational_complexity/leetcode_two_sum.swift
index 6ed0e580c..e82872d38 100644
--- a/codes/swift/chapter_computational_complexity/leetcode_two_sum.swift
+++ b/codes/swift/chapter_computational_complexity/leetcode_two_sum.swift
@@ -1,4 +1,4 @@
-/*
+/**
  * File: leetcode_two_sum.swift
  * Created Time: 2023-01-03
  * Author: nuomi1 (nuomi1@qq.com)
diff --git a/codes/swift/chapter_computational_complexity/space_complexity.swift b/codes/swift/chapter_computational_complexity/space_complexity.swift
index 4931597ca..92a1187a0 100644
--- a/codes/swift/chapter_computational_complexity/space_complexity.swift
+++ b/codes/swift/chapter_computational_complexity/space_complexity.swift
@@ -1,4 +1,4 @@
-/*
+/**
  * File: space_complexity.swift
  * Created Time: 2023-01-01
  * Author: nuomi1 (nuomi1@qq.com)
diff --git a/codes/swift/chapter_computational_complexity/time_complexity.swift b/codes/swift/chapter_computational_complexity/time_complexity.swift
index 322b4f09d..44addb800 100644
--- a/codes/swift/chapter_computational_complexity/time_complexity.swift
+++ b/codes/swift/chapter_computational_complexity/time_complexity.swift
@@ -1,4 +1,4 @@
-/*
+/**
  * File: time_complexity.swift
  * Created Time: 2022-12-26
  * Author: nuomi1 (nuomi1@qq.com)
diff --git a/codes/swift/chapter_computational_complexity/worst_best_time_complexity.swift b/codes/swift/chapter_computational_complexity/worst_best_time_complexity.swift
index 4fa2cf2a0..09d7de1f4 100644
--- a/codes/swift/chapter_computational_complexity/worst_best_time_complexity.swift
+++ b/codes/swift/chapter_computational_complexity/worst_best_time_complexity.swift
@@ -1,4 +1,4 @@
-/*
+/**
  * File: worst_best_time_complexity.swift
  * Created Time: 2022-12-26
  * Author: nuomi1 (nuomi1@qq.com)
diff --git a/codes/swift/utils/ListNode.swift b/codes/swift/utils/ListNode.swift
index 796ee5125..5fa3671eb 100644
--- a/codes/swift/utils/ListNode.swift
+++ b/codes/swift/utils/ListNode.swift
@@ -1,4 +1,4 @@
-/*
+/**
  * File: ListNode.swift
  * Created Time: 2023-01-02
  * Author: nuomi1 (nuomi1@qq.com)
diff --git a/codes/swift/utils/PrintUtil.swift b/codes/swift/utils/PrintUtil.swift
index 3f3fc2688..f2b54693d 100644
--- a/codes/swift/utils/PrintUtil.swift
+++ b/codes/swift/utils/PrintUtil.swift
@@ -1,4 +1,4 @@
-/*
+/**
  * File: PrintUtil.swift
  * Created Time: 2023-01-02
  * Author: nuomi1 (nuomi1@qq.com)
diff --git a/codes/swift/utils/TreeNode.swift b/codes/swift/utils/TreeNode.swift
index b6ce30575..161cebd57 100644
--- a/codes/swift/utils/TreeNode.swift
+++ b/codes/swift/utils/TreeNode.swift
@@ -1,4 +1,4 @@
-/*
+/**
  * File: TreeNode.swift
  * Created Time: 2023-01-02
  * Author: nuomi1 (nuomi1@qq.com)
diff --git a/codes/typescript/chapter_array_and_linkedlist/array.ts b/codes/typescript/chapter_array_and_linkedlist/array.ts
index 237a04385..a85816b97 100644
--- a/codes/typescript/chapter_array_and_linkedlist/array.ts
+++ b/codes/typescript/chapter_array_and_linkedlist/array.ts
@@ -1,4 +1,4 @@
-/*
+/**
  * File: array.ts
  * Created Time: 2022-12-04
  * Author: Justin (xiefahit@gmail.com)
diff --git a/codes/typescript/chapter_array_and_linkedlist/linked_list.ts b/codes/typescript/chapter_array_and_linkedlist/linked_list.ts
index 484322581..b5eb988ae 100644
--- a/codes/typescript/chapter_array_and_linkedlist/linked_list.ts
+++ b/codes/typescript/chapter_array_and_linkedlist/linked_list.ts
@@ -1,4 +1,4 @@
-/*
+/**
  * File: linked_list.ts
  * Created Time: 2022-12-10
  * Author: Justin (xiefahit@gmail.com)
diff --git a/codes/typescript/chapter_array_and_linkedlist/list.ts b/codes/typescript/chapter_array_and_linkedlist/list.ts
index 8fca2bfa1..e1d2d518a 100644
--- a/codes/typescript/chapter_array_and_linkedlist/list.ts
+++ b/codes/typescript/chapter_array_and_linkedlist/list.ts
@@ -1,4 +1,4 @@
-/*
+/**
  * File: list.ts
  * Created Time: 2022-12-10
  * Author: Justin (xiefahit@gmail.com)
diff --git a/codes/typescript/chapter_array_and_linkedlist/my_list.ts b/codes/typescript/chapter_array_and_linkedlist/my_list.ts
index b2ce46840..e60075daf 100644
--- a/codes/typescript/chapter_array_and_linkedlist/my_list.ts
+++ b/codes/typescript/chapter_array_and_linkedlist/my_list.ts
@@ -1,4 +1,4 @@
-/*
+/**
  * File: my_list.ts
  * Created Time: 2022-12-11
  * Author: Justin (xiefahit@gmail.com)
diff --git a/codes/typescript/chapter_computational_complexity/leetcode_two_sum.ts b/codes/typescript/chapter_computational_complexity/leetcode_two_sum.ts
index 8e3c4cd76..47c52d80d 100644
--- a/codes/typescript/chapter_computational_complexity/leetcode_two_sum.ts
+++ b/codes/typescript/chapter_computational_complexity/leetcode_two_sum.ts
@@ -1,4 +1,4 @@
-/*
+/**
  * File: leetcode_two_sum.ts
  * Created Time: 2022-12-15
  * Author: gyt95 (gytkwan@gmail.com) 
diff --git a/codes/typescript/chapter_hashing/array_hash_map.ts b/codes/typescript/chapter_hashing/array_hash_map.ts
index 627205f7f..027cdc8e1 100644
--- a/codes/typescript/chapter_hashing/array_hash_map.ts
+++ b/codes/typescript/chapter_hashing/array_hash_map.ts
@@ -1,4 +1,4 @@
-/*
+/**
  * File: array_hash_map.ts
  * Created Time: 2022-12-20
  * Author: Daniel (better.sunjian@gmail.com)
diff --git a/codes/typescript/chapter_hashing/hash_map.ts b/codes/typescript/chapter_hashing/hash_map.ts
index 7e54cf5cb..8d73da0c0 100644
--- a/codes/typescript/chapter_hashing/hash_map.ts
+++ b/codes/typescript/chapter_hashing/hash_map.ts
@@ -1,4 +1,4 @@
-/*
+/**
  * File: hash_map.ts
  * Created Time: 2022-12-20
  * Author: Daniel (better.sunjian@gmail.com)
diff --git a/codes/typescript/module/ListNode.ts b/codes/typescript/module/ListNode.ts
index d6d60616d..17fdbb955 100644
--- a/codes/typescript/module/ListNode.ts
+++ b/codes/typescript/module/ListNode.ts
@@ -1,4 +1,4 @@
-/*
+/**
  * File: ListNode.ts
  * Created Time: 2022-12-10
  * Author: Justin (xiefahit@gmail.com)
diff --git a/codes/typescript/module/PrintUtil.ts b/codes/typescript/module/PrintUtil.ts
index 9174be159..59f1af0e5 100644
--- a/codes/typescript/module/PrintUtil.ts
+++ b/codes/typescript/module/PrintUtil.ts
@@ -1,4 +1,4 @@
-/*
+/**
  * File: PrintUtil.ts
  * Created Time: 2022-12-13
  * Author: Justin (xiefahit@gmail.com)
diff --git a/codes/typescript/module/TreeNode.ts b/codes/typescript/module/TreeNode.ts
index 0bc783aa9..5a886763e 100644
--- a/codes/typescript/module/TreeNode.ts
+++ b/codes/typescript/module/TreeNode.ts
@@ -1,4 +1,4 @@
-/*
+/**
  * File: TreeNode.ts
  * Created Time: 2022-12-13
  * Author: Justin (xiefahit@gmail.com)