diff --git a/.gitignore b/.gitignore
index c59e0576f3ed079278e4d42db63d0e0b9ea1c5d3..7e09ec9221a6434f32f31ca2d31312a35c2d1f95 100644
--- a/.gitignore
+++ b/.gitignore
@@ -7,3 +7,4 @@ __pycache__
 *.out
 helper.py
 test.md
+data_backup/dailycode
diff --git a/helper.py b/helper.py
index dfe3502a2f36138afa8ee6336c92cd64abe26d3b..a69f4ed44f0ea9ea4895ce5b1f4427dfe72ce96d 100644
--- a/helper.py
+++ b/helper.py
@@ -1,6 +1,7 @@
 import os
 import re
 import sys
+import collections
 import uuid
 import json
 import shutil
@@ -326,8 +327,48 @@ def extract_it_knowledge():
             f.write(solution_md_data)
 
 
-extract_it_knowledge()
-
-
+def write_back_topick_link():
+    data_dirs = ['data_backup/cpp_code_json', 'data_backup/java_code_json', 'data_backup/python_code_json', 'data_backup/leetcode']
+    question_paths = []
+    for dir in data_dirs:
 
+        files = get_files_path(dir, '.json')
+        for file in files:
+            data = load_json(file)
+            question_title = data['question_title']
+            if question_title in ['数组排序', '字符串排序', '按要求实现程序功能', '计算阶乘的和', '字符串统计']:
+                # print(question_title)
+                continue
+            else:
+                question_paths.append(file)
+    dst_match_paths = []
+    match_dirs = ['data_backup/dailycode/1.dailycode初阶', 'data_backup/dailycode/2.dailycode中阶', 'data_backup/dailycode/3.dailycode高阶']
+    match_languages = ['1.cpp', '2.java', '3.python']
+    for match_dir in match_dirs:
+        for language in match_languages:
+            dst_match_dir = os.path.join(match_dir, language)
+            
+            exercises_dirs = os.listdir(dst_match_dir)
+            for tem in exercises_dirs:
+                assert 'exercises' in tem
+                exercises_dir = os.path.join(dst_match_dir, tem)
+                solution_path = os.path.join(exercises_dir, 'solution.json')
+                dst_match_paths.append(solution_path)
+    for pipline_exercises_path in dst_match_paths:
+        pipline_data = load_json(pipline_exercises_path)
+        pipline_data_title = pipline_data['title']
+        for old_path in question_paths:
+            old_data = load_json(old_path)
+            old_data_title = old_data['question_title']
+            if pipline_data_title == old_data_title:
+                print(pipline_data_title)
+                print(old_data_title)
+                pipline_data['topic_link'] = old_data['topic_link']
+                print(pipline_data['topic_link'])
+                print()
+                dump_json(pipline_exercises_path, pipline_data)
+                break
+    # print(collections.Counter(question_titles))
+
+write_back_topick_link()
 # classify_leetcode()
\ No newline at end of file