diff --git a/.gitignore b/.gitignore
index 9062b0df630c653b0d19c85a1d2d1a94af48547e..639a96ea0758a4ddab0033313534a0bb86a9d396 100644
--- a/.gitignore
+++ b/.gitignore
@@ -19,4 +19,6 @@ fix_bug.py
 tools.py
 back_.md
 test.md
-lanqiao.cpp
\ No newline at end of file
+lanqiao.cpp
+*.iml
+**/.idea/**
\ No newline at end of file
diff --git "a/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/1.\350\223\235\346\241\245\346\235\257-\345\237\272\347\241\200/30.k\345\200\215\345\214\272\351\227\264/solution.json" "b/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/1.\350\223\235\346\241\245\346\235\257-\345\237\272\347\241\200/30.k\345\200\215\345\214\272\351\227\264/solution.json"
index 2c04da66a4ff3f0e9ea2d35075061691f860aea4..bd07be8d0f06bb8223de74361d67c7898b06bdaf 100644
--- "a/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/1.\350\223\235\346\241\245\346\235\257-\345\237\272\347\241\200/30.k\345\200\215\345\214\272\351\227\264/solution.json"
+++ "b/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/1.\350\223\235\346\241\245\346\235\257-\345\237\272\347\241\200/30.k\345\200\215\345\214\272\351\227\264/solution.json"
@@ -1,6 +1,7 @@
 {
   "type": "code_options",
   "author": "csdn.net",
-  "source": "solution.md.md",
-  "exercise_id": "d5ad2458a40a46daaf75bbb9291e6d4b"
+  "source": "solution.md",
+  "exercise_id": "d5ad2458a40a46daaf75bbb9291e6d4b",
+  "notebook_enable": true
 }
\ No newline at end of file
diff --git "a/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/1.\350\223\235\346\241\245\346\235\257-\345\237\272\347\241\200/37.\345\271\263\351\235\242\345\210\207\345\210\206/solution.json" "b/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/1.\350\223\235\346\241\245\346\235\257-\345\237\272\347\241\200/37.\345\271\263\351\235\242\345\210\207\345\210\206/solution.json"
index 7a2bc292ac076b099c5974b664b206e3212f7a59..a76aaa72196fa7031e87f93da2b479431b549a4a 100644
--- "a/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/1.\350\223\235\346\241\245\346\235\257-\345\237\272\347\241\200/37.\345\271\263\351\235\242\345\210\207\345\210\206/solution.json"
+++ "b/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/1.\350\223\235\346\241\245\346\235\257-\345\237\272\347\241\200/37.\345\271\263\351\235\242\345\210\207\345\210\206/solution.json"
@@ -1,6 +1,7 @@
 {
   "type": "code_options",
   "author": "csdn.net",
-  "source": "solution.md.md",
-  "exercise_id": "e572003202d0462fa95f635381897624"
+  "source": "solution.md",
+  "exercise_id": "e572003202d0462fa95f635381897624",
+  "notebook_enable": true
 }
\ No newline at end of file
diff --git "a/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/3.\350\223\235\346\241\245\346\235\257-\351\200\222\345\275\222/7.\351\200\206\346\263\242\345\205\260\350\241\250\350\276\276\345\274\217/solution.json" "b/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/3.\350\223\235\346\241\245\346\235\257-\351\200\222\345\275\222/7.\351\200\206\346\263\242\345\205\260\350\241\250\350\276\276\345\274\217/solution.json"
index faf9dea584e914e5c667cad12ada5e53b0d375ae..27dfc114a8aa20b0f4b8f6a5502204af91f3fdcb 100644
--- "a/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/3.\350\223\235\346\241\245\346\235\257-\351\200\222\345\275\222/7.\351\200\206\346\263\242\345\205\260\350\241\250\350\276\276\345\274\217/solution.json"
+++ "b/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/3.\350\223\235\346\241\245\346\235\257-\351\200\222\345\275\222/7.\351\200\206\346\263\242\345\205\260\350\241\250\350\276\276\345\274\217/solution.json"
@@ -1,6 +1,6 @@
 {
   "type": "code_options",
   "author": "csdn.net",
-  "source": "solution.md.md",
+  "source": "solution.md",
   "exercise_id": "c29652154669434cb71e4f036b690fef"
 }
\ No newline at end of file
diff --git "a/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/5.\350\223\235\346\241\245\346\235\257-\346\250\241\346\213\237/13.\347\201\265\350\203\275\344\274\240\350\276\223/solution.json" "b/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/5.\350\223\235\346\241\245\346\235\257-\346\250\241\346\213\237/13.\347\201\265\350\203\275\344\274\240\350\276\223/solution.json"
index e4643b174eac0bdc2b0ee872abe073bafe8e0589..30f0e30a72ca54ec780d4dec878822afe13e6e83 100644
--- "a/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/5.\350\223\235\346\241\245\346\235\257-\346\250\241\346\213\237/13.\347\201\265\350\203\275\344\274\240\350\276\223/solution.json"
+++ "b/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/5.\350\223\235\346\241\245\346\235\257-\346\250\241\346\213\237/13.\347\201\265\350\203\275\344\274\240\350\276\223/solution.json"
@@ -1,6 +1,7 @@
 {
   "type": "code_options",
   "author": "csdn.net",
-  "source": "solution.md.md",
-  "exercise_id": "a7672a561bd14ce5ba8bca21c4074683"
+  "source": "solution.md",
+  "exercise_id": "a7672a561bd14ce5ba8bca21c4074683",
+  "notebook_enable": true
 }
\ No newline at end of file
diff --git "a/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/5.\350\223\235\346\241\245\346\235\257-\346\250\241\346\213\237/16.\344\270\211\344\275\223\346\224\273\345\207\273/solution.json" "b/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/5.\350\223\235\346\241\245\346\235\257-\346\250\241\346\213\237/16.\344\270\211\344\275\223\346\224\273\345\207\273/solution.json"
index 0cf263cc334525a8b9b821bdb2b69c9ba5e005be..cdb1934232cb4faed39063aa50b6839e6c3aa64d 100644
--- "a/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/5.\350\223\235\346\241\245\346\235\257-\346\250\241\346\213\237/16.\344\270\211\344\275\223\346\224\273\345\207\273/solution.json"
+++ "b/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/5.\350\223\235\346\241\245\346\235\257-\346\250\241\346\213\237/16.\344\270\211\344\275\223\346\224\273\345\207\273/solution.json"
@@ -1,6 +1,7 @@
 {
   "type": "code_options",
   "author": "csdn.net",
-  "source": "solution.md.md",
-  "exercise_id": "4db03bcefa5649d19f4dd5fe293221ab"
+  "source": "solution.md",
+  "exercise_id": "4db03bcefa5649d19f4dd5fe293221ab",
+  "notebook_enable": true
 }
\ No newline at end of file
diff --git "a/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/7.\350\223\235\346\241\245\346\235\257-\345\212\250\346\200\201\350\247\204\345\210\222/3.\350\243\205\351\245\260\347\217\240/solution.json" "b/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/7.\350\223\235\346\241\245\346\235\257-\345\212\250\346\200\201\350\247\204\345\210\222/3.\350\243\205\351\245\260\347\217\240/solution.json"
index 9dc6d8d0ffa9fdfd7db4060bafd15762aac05d04..062f9078c1ade02da84e7a09a4ff7b9362be3d3f 100644
--- "a/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/7.\350\223\235\346\241\245\346\235\257-\345\212\250\346\200\201\350\247\204\345\210\222/3.\350\243\205\351\245\260\347\217\240/solution.json"
+++ "b/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/7.\350\223\235\346\241\245\346\235\257-\345\212\250\346\200\201\350\247\204\345\210\222/3.\350\243\205\351\245\260\347\217\240/solution.json"
@@ -1,6 +1,7 @@
 {
   "type": "code_options",
   "author": "csdn.net",
-  "source": "solution.md.md",
-  "exercise_id": "8b374f1e3965460e97f165638222ab90"
+  "source": "solution.md",
+  "exercise_id": "8b374f1e3965460e97f165638222ab90",
+  "notebook_enable": true
 }
\ No newline at end of file
diff --git "a/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/7.\350\223\235\346\241\245\346\235\257-\345\212\250\346\200\201\350\247\204\345\210\222/5.\347\273\204\345\220\210\346\225\260\351\227\256\351\242\230/solution.json" "b/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/7.\350\223\235\346\241\245\346\235\257-\345\212\250\346\200\201\350\247\204\345\210\222/5.\347\273\204\345\220\210\346\225\260\351\227\256\351\242\230/solution.json"
index 16297d2e46a5269e5aba80ba3d519ec0438fab3d..3dc1cca13d6100aa7601fee7118cfb6ab73a2414 100644
--- "a/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/7.\350\223\235\346\241\245\346\235\257-\345\212\250\346\200\201\350\247\204\345\210\222/5.\347\273\204\345\220\210\346\225\260\351\227\256\351\242\230/solution.json"
+++ "b/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/7.\350\223\235\346\241\245\346\235\257-\345\212\250\346\200\201\350\247\204\345\210\222/5.\347\273\204\345\220\210\346\225\260\351\227\256\351\242\230/solution.json"
@@ -1,6 +1,7 @@
 {
   "type": "code_options",
   "author": "csdn.net",
-  "source": "solution.md.md",
-  "exercise_id": "3c3985435f414d7f9a8bbdcf42a42d46"
+  "source": "solution.md",
+  "exercise_id": "3c3985435f414d7f9a8bbdcf42a42d46",
+  "notebook_enable": true
 }
\ No newline at end of file
diff --git "a/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/7.\350\223\235\346\241\245\346\235\257-\345\212\250\346\200\201\350\247\204\345\210\222/6.\347\263\226\346\236\234/solution.json" "b/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/7.\350\223\235\346\241\245\346\235\257-\345\212\250\346\200\201\350\247\204\345\210\222/6.\347\263\226\346\236\234/solution.json"
index 2a24ccc114c21b32668cdbf51733196e03beb172..d1b3106a77eb4c63dd78db78209906be6e44e0c7 100644
--- "a/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/7.\350\223\235\346\241\245\346\235\257-\345\212\250\346\200\201\350\247\204\345\210\222/6.\347\263\226\346\236\234/solution.json"
+++ "b/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/7.\350\223\235\346\241\245\346\235\257-\345\212\250\346\200\201\350\247\204\345\210\222/6.\347\263\226\346\236\234/solution.json"
@@ -1,6 +1,7 @@
 {
   "type": "code_options",
   "author": "csdn.net",
-  "source": "solution.md.md",
-  "exercise_id": "3c7880dd590c4f7cbe182c2c00af0e5a"
+  "source": "solution.md",
+  "exercise_id": "3c7880dd590c4f7cbe182c2c00af0e5a",
+  "notebook_enable": true
 }
\ No newline at end of file
diff --git "a/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/7.\350\223\235\346\241\245\346\235\257-\345\212\250\346\200\201\350\247\204\345\210\222/8.\345\236\222\351\252\260\345\255\220/solution.json" "b/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/7.\350\223\235\346\241\245\346\235\257-\345\212\250\346\200\201\350\247\204\345\210\222/8.\345\236\222\351\252\260\345\255\220/solution.json"
index 511f720d431efd3933756c476ada723e10e9fde9..9dcb788afdc1d7075fbff89c08133301971732e8 100644
--- "a/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/7.\350\223\235\346\241\245\346\235\257-\345\212\250\346\200\201\350\247\204\345\210\222/8.\345\236\222\351\252\260\345\255\220/solution.json"
+++ "b/data/1.\347\256\227\346\263\225\345\210\235\351\230\266/7.\350\223\235\346\241\245\346\235\257-\345\212\250\346\200\201\350\247\204\345\210\222/8.\345\236\222\351\252\260\345\255\220/solution.json"
@@ -1,6 +1,7 @@
 {
   "type": "code_options",
   "author": "csdn.net",
-  "source": "solution.md.md",
-  "exercise_id": "6b4b68a3ead544a2a9640d9ca6f008b1"
+  "source": "solution.md",
+  "exercise_id": "6b4b68a3ead544a2a9640d9ca6f008b1",
+  "notebook_enable": true
 }
\ No newline at end of file
diff --git a/leetcode_helper.py b/leetcode_helper.py
index f516e128dffebf5fdbafcbb14d19f5b83031b4bf..7f56ad2cc13ca5e6106b017d8f5cfeb96d309f85 100644
--- a/leetcode_helper.py
+++ b/leetcode_helper.py
@@ -5,6 +5,7 @@ import json
 import uuid
 import argparse
 import collections
+
 parser = argparse.ArgumentParser()
 parser.add_argument("--run", type=str, help="Decide to run which function")
 args = parser.parse_args()
@@ -26,6 +27,7 @@ def get_files_path(file_dir, filetype='.txt'):
                 files_path.append(os.path.join(root, file))
     return files_path
 
+
 def leetcode_helper():
     data_dir = 'data/3.算法高阶/1.leetcode'
     dailycode_exercises_dir = '/Users/zhangzc/Desktop/workplace/daily-code-data/data/input/dailycode/leetcode/exercises'
@@ -40,10 +42,11 @@ def leetcode_helper():
         assert os.path.isdir(dir)
         exercises_id = dir.split('/')[-1].split('_')[0]
         if 0 <= int(exercises_id) and int(exercises_id) < 100:
-            desc_src_path = os.path.join(os.path.join(dailycode_exercises_dir, exercises_id), '{}_desc.html'.format(exercises_id))
-            cpp_code_src_path = os.path.join(os.path.join(dailycode_exercises_dir, exercises_id),'{}.cpp'.format(exercises_id))
-            
-            
+            desc_src_path = os.path.join(os.path.join(dailycode_exercises_dir, exercises_id),
+                                         '{}_desc.html'.format(exercises_id))
+            cpp_code_src_path = os.path.join(os.path.join(dailycode_exercises_dir, exercises_id),
+                                             '{}.cpp'.format(exercises_id))
+
             desc_dst_path = os.path.join(dir, 'desc.html')
             cpp_code_dst_path = os.path.join(dir, 'solution.cpp')
 
@@ -58,10 +61,10 @@ def leetcode_helper():
 
             if not os.path.exists(cpp_code_dst_path):
                 open(cpp_code_dst_path, 'w', encoding='utf-8')
-            
+
             if 100 <= int(exercises_id) and int(exercises_id) < 203:
                 with open(cpp_code_dst_path, 'r', encoding='utf-8') as f:
-                        cpp_code = f.read()
+                    cpp_code = f.read()
                 if cpp_code == '' and not os.path.exists(shell_code_dst_path) and not os.path.exists(sql_code_dst_path):
                     print(cpp_code_dst_path)
             desc_src_path = os.path.join(crawer_leetcode_dir, str(int(exercises_id) + 1) + '.html')
@@ -72,11 +75,11 @@ def leetcode_helper():
             if os.path.exists(desc_src_path):
                 shutil.copy(desc_src_path, desc_dst_path)
 
-                
+
             else:
                 pass
                 # print("该路径不存在，请检查： {}".format(desc_src_path))
-            
+
 
 def leetcode_helper_delete_md():
     data_dir = 'data/3.算法高阶/1.leetcode'
@@ -101,6 +104,7 @@ def leetcode_helper_delete_md():
             if leetcode_solution_md_data == template:
                 os.remove(solution_md_path)
 
+
 def leetcode_helper_update_md():
     data_dir = 'data/3.算法高阶/1.leetcode'
     dirs_ = os.listdir(data_dir)
@@ -130,6 +134,7 @@ def leetcode_helper_update_md():
             with open(solution_md_path, 'w', encoding='utf-8') as f:
                 f.write(solution_md_data)
 
+
 def leetcode_helper_update_config():
     data_dir = 'data/3.算法高阶/1.leetcode'
     dirs_ = os.listdir(data_dir)
@@ -161,7 +166,7 @@ def leetcode_helper_update_config():
                     "type": "code_options",
                     "author": "CSDN.net",
                     "source": "solution.md",
-                    "exercise_id":exercise_id,
+                    "exercise_id": exercise_id,
                 }
                 solution_json = json.dumps(solution_json_data, ensure_ascii=False, indent=3)
                 with open(solution_json_path, 'w', encoding='utf-8') as f:
@@ -211,7 +216,6 @@ def count_exercises():
     dst_exercises_ids = [i for i in range(200)]
     lacked_id = set(dst_exercises_ids) - set(exercises_ids)
     print(lacked_id)
-        
 
 
 def modify_config_and_dir_name():
@@ -237,7 +241,7 @@ def modify_config_and_dir_name():
         # with open(config_path, 'r', encoding='utf-8') as f:
         #     config_data = json.load(f)
 
-        config_data['node_id'] = "algorithm-" +  uuid.uuid4().hex
+        config_data['node_id'] = "algorithm-" + uuid.uuid4().hex
         config_data['keywords'] = ["leetcode", title]
         config_data['children'] = []
         config_data['export'] = ['solution.json']
@@ -249,10 +253,7 @@ def modify_config_and_dir_name():
             f.write(config_data_json)
 
 
-
-
 def modify_config_and_dir_name_new():
-
     dirs = ['data/2.算法中阶', 'data/3.算法高阶', 'data/1.算法初阶']
     exercises_ids = []
     for dir in dirs:
@@ -262,7 +263,7 @@ def modify_config_and_dir_name_new():
             leetcode_class_dir = os.path.join(dir, algo_floor_dir)
             if os.path.isdir(leetcode_class_dir):
                 algo_floor_dirs.append(leetcode_class_dir)
-        
+
         for algo_floor_dir in algo_floor_dirs:
             exercises_dirs_ = os.listdir(algo_floor_dir)
             exercises_dirs = []
@@ -273,7 +274,7 @@ def modify_config_and_dir_name_new():
             for idx, tem_dir in enumerate(exercises_dirs):
                 config_path = os.path.join(tem_dir, 'config.json')
                 solution_md_path = os.path.join(tem_dir, 'solution.md')
-                
+
                 if dir == "data/1.算法初阶":
                     title = tem_dir.split('/')[-1].split('.')[-1]
                 else:
@@ -282,16 +283,16 @@ def modify_config_and_dir_name_new():
                     solution_md_data = f.read()
                 if solution_md_data.find('# {}\n\n'.format(title)) == -1:
                     solution_md_data = solution_md_data.replace('# {}'.format(title), '# {}\n'.format(title))
-                    
+
                 if solution_md_data.find('## aop\n\n') == -1:
                     solution_md_data = solution_md_data.replace('## aop', '## aop\n')
 
                 if solution_md_data.find('## 答案\n\n') == -1:
                     solution_md_data = solution_md_data.replace('## 答案', '## 答案\n')
-                
+
                 if solution_md_data.find('## 选项\n\n') == -1:
                     solution_md_data = solution_md_data.replace('## 选项', '## 选项\n')
-                
+
                 if solution_md_data.find('### before\n\n') == -1:
                     solution_md_data = solution_md_data.replace('### before', '### before\n')
 
@@ -300,15 +301,13 @@ def modify_config_and_dir_name_new():
 
                 if solution_md_data.find('\n\n```cpp') == -1:
                     solution_md_data = solution_md_data.replace('```cpp', '\n```cpp')
-                
+
                 if solution_md_data.find('\n\n### ') == -1:
                     solution_md_data = solution_md_data.replace('### ', '\n### ')
                     print(tem_dir)
 
                 with open(solution_md_path, 'w', encoding='utf-8') as f:
                     f.write(solution_md_data)
-                
-
 
                 # with open(config_path, 'r', encoding='utf-8') as f:
                 #     config_data = json.load(f)
@@ -320,9 +319,6 @@ def modify_config_and_dir_name_new():
                 #     f.write(config_data_json)
 
 
-
-
-
 def modify_back_up_dir_name():
     # dirs = ['data/2.算法中阶', 'data/3.算法高阶']
     # exercises_ids = []
@@ -344,7 +340,7 @@ def modify_back_up_dir_name():
         new_dir_name = os.path.join(root_dir, new_dir_name)
         os.rename(algo_floor_dir, new_dir_name)
         print(new_dir_name)
-    
+
 
 def leetcode_helper_add_sloutionjson():
     data_dir = 'data_backup/1.leetcode'
@@ -369,14 +365,13 @@ def leetcode_helper_add_sloutionjson():
                 "type": "code_options",
                 "author": "CSDN.net",
                 "source": "solution.md",
-                "exercise_id":exercise_id,
+                "exercise_id": exercise_id,
             }
             solution_json = json.dumps(solution_json_data, ensure_ascii=False, indent=2)
             with open(solution_json_path, 'w', encoding='utf-8') as f:
                 f.write(solution_json)
 
 
-
 def fix_bug():
     data_dir = 'data_backup/1.leetcode'
     dirs_ = os.listdir(data_dir)
@@ -387,7 +382,7 @@ def fix_bug():
             dirs.append(dir)
     for dir in dirs:
         assert os.path.isdir(dir)
-        
+
         solution_md_path = os.path.join(dir, 'solution.md')
         if not os.path.exists(solution_md_path):
             continue
@@ -398,16 +393,16 @@ def fix_bug():
         # print(title)
         solution_md_data = solution_md_data.replace('# 两数之和', '# {}'.format(title))
         if solution_md_data.find('# {}\n\n'.format(title)) == -1:
-                solution_md_data = solution_md_data.replace('# {}'.format(title), '# {}\n'.format(title)) 
+            solution_md_data = solution_md_data.replace('# {}'.format(title), '# {}\n'.format(title))
         if solution_md_data.find('## aop\n\n') == -1:
             solution_md_data = solution_md_data.replace('## aop', '## aop\n')
 
         if solution_md_data.find('## 答案\n\n') == -1:
             solution_md_data = solution_md_data.replace('## 答案', '## 答案\n')
-        
+
         if solution_md_data.find('\n\n## 选项\n\n') == -1:
             solution_md_data = solution_md_data.replace('## 选项', '\n## 选项\n')
-        
+
         if solution_md_data.find('### before\n\n') == -1:
             solution_md_data = solution_md_data.replace('### before', '### before\n')
 
@@ -416,20 +411,19 @@ def fix_bug():
 
         if solution_md_data.find('A\n\n```cpp') == -1:
             solution_md_data = solution_md_data.replace('A\n```cpp', 'A\n\n```cpp')
-        
+
         if solution_md_data.find('B\n\n```cpp') == -1:
             solution_md_data = solution_md_data.replace('B\n```cpp', 'B\n\n```cpp')
         if solution_md_data.find('C\n\n```cpp') == -1:
             solution_md_data = solution_md_data.replace('C\n```cpp', 'C\n\n```cpp')
             print(dir)
-        
+
         if solution_md_data.find('\n\n### ') == -1:
             solution_md_data = solution_md_data.replace('### ', '\n### ')
         with open(solution_md_path, 'w', encoding='utf-8') as f:
             f.write(solution_md_data)
 
 
-
 def add_color_for_special_exercises():
     count = 0
 
@@ -442,7 +436,7 @@ def add_color_for_special_exercises():
             leetcode_class_dir = os.path.join(dir, algo_floor_dir)
             if os.path.isdir(leetcode_class_dir):
                 algo_floor_dirs.append(leetcode_class_dir)
-        
+
         for algo_floor_dir in algo_floor_dirs:
             exercises_dirs_ = os.listdir(algo_floor_dir)
             exercises_dirs = []
@@ -453,7 +447,7 @@ def add_color_for_special_exercises():
             for idx, tem_dir in enumerate(exercises_dirs):
                 config_path = os.path.join(tem_dir, 'config.json')
                 solution_md_path = os.path.join(tem_dir, 'solution.md')
-                count+=1
+                count += 1
                 print(solution_md_path)
                 with open(solution_md_path, 'r', encoding='utf-8') as f:
                     solution_md_data = f.read()
@@ -461,10 +455,8 @@ def add_color_for_special_exercises():
                     solution_md_data = solution_md_data.replace('错误', '<span style="color:red">错误</span>')
                     with open(solution_md_path, 'w', encoding='utf-8') as f:
                         f.write(solution_md_data)
-    
-    print('当前已有 {} 道习题'.format(count))
-
 
+    print('当前已有 {} 道习题'.format(count))
 
 
 def add_solution_md_template_for_lanqiao():
@@ -477,7 +469,7 @@ def add_solution_md_template_for_lanqiao():
             dirs.append(dir)
     for dir in dirs:
         assert os.path.isdir(dir)
-        
+
         solution_md_path = os.path.join(dir, 'solution.md')
         solution_json_path = os.path.join(dir, 'solution.json')
 
@@ -502,11 +494,11 @@ def add_solution_md_template_for_lanqiao():
         if not os.path.exists(solution_json_path):
             exercise_id = uuid.uuid4().hex
             solution_json_data = {
-                    "type": "code_options",
-                    "author": "CSDN.net",
-                    "source": "solution.md",
-                    "exercise_id": exercise_id
-                }
+                "type": "code_options",
+                "author": "CSDN.net",
+                "source": "solution.md",
+                "exercise_id": exercise_id
+            }
             solution_json_data_json = json.dumps(solution_json_data, ensure_ascii=False, indent=2)
             with open(solution_json_path, 'w', encoding='utf-8') as f:
                 f.write(solution_json_data_json)
@@ -527,7 +519,7 @@ def check_exercises_is_duplicate():
             leetcode_class_dir = os.path.join(dir, algo_floor_dir)
             if os.path.isdir(leetcode_class_dir):
                 algo_floor_dirs.append(leetcode_class_dir)
-        
+
         for algo_floor_dir in algo_floor_dirs:
             exercises_dirs_ = os.listdir(algo_floor_dir)
             exercises_dirs = []
@@ -554,7 +546,7 @@ def add_config_export():
             leetcode_class_dir = os.path.join(dir, algo_floor_dir)
             if os.path.isdir(leetcode_class_dir):
                 algo_floor_dirs.append(leetcode_class_dir)
-        
+
         for algo_floor_dir in algo_floor_dirs:
             exercises_dirs_ = os.listdir(algo_floor_dir)
             exercises_dirs = []
@@ -583,7 +575,7 @@ def add_config_export_for_lanqiao_backup():
             dirs.append(dir)
     for dir in dirs:
         assert os.path.isdir(dir)
-        
+
         config_path = os.path.join(dir, 'config.json')
         print(config_path)
         with open(config_path, 'r', encoding='utf-8') as f:
@@ -606,7 +598,7 @@ def fixbug_for_md():
             leetcode_class_dir = os.path.join(dir, algo_floor_dir)
             if os.path.isdir(leetcode_class_dir):
                 algo_floor_dirs.append(leetcode_class_dir)
-        
+
         for algo_floor_dir in algo_floor_dirs:
             exercises_dirs_ = os.listdir(algo_floor_dir)
             exercises_dirs = []
@@ -624,8 +616,6 @@ def fixbug_for_md():
                     f.write(solution_md_data)
 
 
-
-
 if helper_function == 'count_tag_class':
     count_tag_class()
 if helper_function == 'count_exercises':
@@ -633,50 +623,11 @@ if helper_function == 'count_exercises':
 if helper_function == 'modify_back_up_dir_name':
     modify_back_up_dir_name()
 
-
-
 # add_solution_md_template_for_lanqiao()
 
 # add_color_for_special_exercises()
 
-
-
-
-def remove_unse_md_file():
-    count = 0
-
-    dirs = ['data/2.算法中阶', 'data/3.算法高阶', 'data/1.算法初阶']
-    exercises_ids = []
-    for dir in dirs:
-        dirs_ = os.listdir(dir)
-        algo_floor_dirs = []
-        for algo_floor_dir in dirs_:
-            leetcode_class_dir = os.path.join(dir, algo_floor_dir)
-            if os.path.isdir(leetcode_class_dir):
-                algo_floor_dirs.append(leetcode_class_dir)
-        
-        for algo_floor_dir in algo_floor_dirs:
-            exercises_dirs_ = os.listdir(algo_floor_dir)
-            exercises_dirs = []
-            for exercises_dir_ in exercises_dirs_:
-                exercises_dir = os.path.join(algo_floor_dir, exercises_dir_)
-                if os.path.isdir(exercises_dir):
-                    exercises_dirs.append(exercises_dir)
-            for idx, tem_dir in enumerate(exercises_dirs):
-                
-                desc_md_path = os.path.join(tem_dir, 'desc.md')
-                print(desc_md_path)
-                if os.path.exists(desc_md_path):
-                    os.remove(desc_md_path)
-
-    
-remove_unse_md_file()
-
-
-
 # check_exercises_is_duplicate()
 
 # leetcode_helper_update_md()
 # leetcode_helper_update_config()
-
-
diff --git a/main.py b/main.py
index 11e4a8a4e6464eee33da20fcd968655b899681bf..498b4969959948487a717b0047fb3df54d2fc05b 100644
--- a/main.py
+++ b/main.py
@@ -5,5 +5,3 @@ if __name__ == '__main__':
     walker = TreeWalker("data", "algorithm", "Algorithm")
     walker.walk()
 
-    math = MathWalker('data')
-    math.walk()