diff --git a/README.md b/README.md
index 527b672..aecee5b 100644
--- a/README.md
+++ b/README.md
@@ -52,8 +52,8 @@ docsify serve ./docs
 | 201~218 |  胡锐锋   |  已完成  |
 | 200分题 001~023 |  周理璇、胡锐锋  |  已完成   |
 | 200分题 024~046 |   李碧涵、胡锐锋    |  已完成  |
-| 265~290 |  胡锐锋   |  已完成  |
-| 291~313 |   李昌盛、胡锐锋   |  已完成  |
+| 精选100分题 001~027 |  胡锐锋   |  已完成  |
+| 精选100分题 028~050 |   李昌盛、胡锐锋   |  已完成  |
 
 ## 项目结构
 
diff --git a/codes/choice100/265_AI-Processor-Combination.py b/codes/choice100/001_AI-Processor-Combination.py
similarity index 96%
rename from codes/choice100/265_AI-Processor-Combination.py
rename to codes/choice100/001_AI-Processor-Combination.py
index 1d6673e..0451661 100644
--- a/codes/choice100/265_AI-Processor-Combination.py
+++ b/codes/choice100/001_AI-Processor-Combination.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 265_AI-Processor-Combination.py
+@file: 001_AI-Processor-Combination.py
 @time: 2023/7/11 15:58
 @project: huawei-od-python
-@desc: 265 AI处理器组合
+@desc: 001 AI处理器组合
 """
 from itertools import combinations
 
diff --git a/codes/choice100/266_task-execute-total-time.py b/codes/choice100/002_task-execute-total-time.py
similarity index 87%
rename from codes/choice100/266_task-execute-total-time.py
rename to codes/choice100/002_task-execute-total-time.py
index 9887071..3b3aae7 100644
--- a/codes/choice100/266_task-execute-total-time.py
+++ b/codes/choice100/002_task-execute-total-time.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 266_task-execute-total-time.py
+@file: 002_task-execute-total-time.py
 @time: 2023/7/11 23:08
 @project: huawei-od-python
-@desc: 266 任务总执行时长
+@desc: 002 任务总执行时长
 """
 
 
diff --git a/codes/choice100/267_count-outstanding-students.py b/codes/choice100/003_count-outstanding-students.py
similarity index 98%
rename from codes/choice100/267_count-outstanding-students.py
rename to codes/choice100/003_count-outstanding-students.py
index 659a299..4a7be7a 100644
--- a/codes/choice100/267_count-outstanding-students.py
+++ b/codes/choice100/003_count-outstanding-students.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 267_count-outstanding-students.py
+@file: 003_count-outstanding-students.py
 @time: 2023/7/11 23:49
 @project: huawei-od-python
-@desc: 267 优秀学员统计
+@desc: 003 优秀学员统计
 """
 
 
diff --git a/codes/choice100/268_PV-site-construction-plan.py b/codes/choice100/004_PV-site-construction-plan.py
similarity index 93%
rename from codes/choice100/268_PV-site-construction-plan.py
rename to codes/choice100/004_PV-site-construction-plan.py
index 2eacc13..b1bde57 100644
--- a/codes/choice100/268_PV-site-construction-plan.py
+++ b/codes/choice100/004_PV-site-construction-plan.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 268_PV-site-construction-plan.py
+@file: 004_PV-site-construction-plan.py
 @time: 2023/7/12 11:06
 @project: huawei-od-python
-@desc: 268 光伏场地建设规划
+@desc: 004 光伏场地建设规划
 """
 
 
diff --git a/codes/choice100/269_anonymous-letter.py b/codes/choice100/005_anonymous-letter.py
similarity index 94%
rename from codes/choice100/269_anonymous-letter.py
rename to codes/choice100/005_anonymous-letter.py
index 501c6e1..f5c5563 100644
--- a/codes/choice100/269_anonymous-letter.py
+++ b/codes/choice100/005_anonymous-letter.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 269_anonymous-letter.py
+@file: 005_anonymous-letter.py
 @time: 2023/7/12 11:39
 @project: huawei-od-python
-@desc: 269 匿名信
+@desc: 005 匿名信
 """
 
 
diff --git a/codes/choice100/270_reverse-words.py b/codes/choice100/006_reverse-words.py
similarity index 92%
rename from codes/choice100/270_reverse-words.py
rename to codes/choice100/006_reverse-words.py
index 304e5b6..bf5e705 100644
--- a/codes/choice100/270_reverse-words.py
+++ b/codes/choice100/006_reverse-words.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 270_reverse-words.py
+@file: 006_reverse-words.py
 @time: 2023/7/12 14:35
 @project: huawei-od-python
-@desc: 270 单词倒序
+@desc: 006 单词倒序
 """
 
 
diff --git a/codes/choice100/271_base-station-maintenance-engineer.py b/codes/choice100/007_base-station-maintenance-engineer.py
similarity index 92%
rename from codes/choice100/271_base-station-maintenance-engineer.py
rename to codes/choice100/007_base-station-maintenance-engineer.py
index 611f9c1..10fe88f 100644
--- a/codes/choice100/271_base-station-maintenance-engineer.py
+++ b/codes/choice100/007_base-station-maintenance-engineer.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 271_base-station-maintenance-engineer.py
+@file: 007_base-station-maintenance-engineer.py
 @time: 2023/7/12 15:29
 @project: huawei-od-python
-@desc: 271 基站维修工程师
+@desc: 007 基站维修工程师
 """
 import math
 
diff --git a/codes/choice100/271_find-duplicate-codes.py b/codes/choice100/008_find-duplicate-codes.py
similarity index 90%
rename from codes/choice100/271_find-duplicate-codes.py
rename to codes/choice100/008_find-duplicate-codes.py
index 96ac9a3..f9a715e 100644
--- a/codes/choice100/271_find-duplicate-codes.py
+++ b/codes/choice100/008_find-duplicate-codes.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 271_find-duplicate-codes.py
+@file: 008_find-duplicate-codes.py
 @time: 2023/7/12 20:24
 @project: huawei-od-python
-@desc: 271 找出重复代码（最长公共子序列）
+@desc: 008 找出重复代码（最长公共子序列）
 """
 
 
diff --git a/codes/choice100/272_decrypt-string.py b/codes/choice100/009_decrypt-string.py
similarity index 94%
rename from codes/choice100/272_decrypt-string.py
rename to codes/choice100/009_decrypt-string.py
index 152ff5f..b471c33 100644
--- a/codes/choice100/272_decrypt-string.py
+++ b/codes/choice100/009_decrypt-string.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 272_decrypt-string.py
+@file: 009_decrypt-string.py
 @time: 2023/7/13 11:10
 @project: huawei-od-python
-@desc: 272 字符串解密加扰字符串
+@desc: 009 字符串解密加扰字符串
 """
 import re
 
diff --git a/codes/choice100/273_rearrange-string.py b/codes/choice100/010_rearrange-string.py
similarity index 92%
rename from codes/choice100/273_rearrange-string.py
rename to codes/choice100/010_rearrange-string.py
index ac10330..67f9fc9 100644
--- a/codes/choice100/273_rearrange-string.py
+++ b/codes/choice100/010_rearrange-string.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 273_rearrange-string.py
+@file: 010_rearrange-string.py
 @time: 2023/7/13 14:23
 @project: huawei-od-python
-@desc: 273 字符串重新排序
+@desc: 010 字符串重新排序
 """
 from collections import defaultdict
 
diff --git a/codes/choice100/274_symmetric-string.py b/codes/choice100/011_symmetric-string.py
similarity index 95%
rename from codes/choice100/274_symmetric-string.py
rename to codes/choice100/011_symmetric-string.py
index c39d020..2dc9157 100644
--- a/codes/choice100/274_symmetric-string.py
+++ b/codes/choice100/011_symmetric-string.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 274_symmetric-string.py
+@file: 011_symmetric-string.py
 @time: 2023/7/13 18:55
 @project: huawei-od-python
-@desc: 274 对称美学
+@desc: 011 对称美学
 """
 
 
diff --git a/codes/choice100/275_find-important-keys.py b/codes/choice100/012_find-important-keys.py
similarity index 92%
rename from codes/choice100/275_find-important-keys.py
rename to codes/choice100/012_find-important-keys.py
index 08304fe..aad3398 100644
--- a/codes/choice100/275_find-important-keys.py
+++ b/codes/choice100/012_find-important-keys.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 275_find-important-keys.py
+@file: 012_find-important-keys.py
 @time: 2023/7/13 19:55
 @project: huawei-od-python
-@desc: 275 寻找关键钥匙
+@desc: 012 寻找关键钥匙
 """
 
 
diff --git a/codes/choice100/276_find-key.py b/codes/choice100/013_find-key.py
similarity index 95%
rename from codes/choice100/276_find-key.py
rename to codes/choice100/013_find-key.py
index 20d1184..bfbbb36 100644
--- a/codes/choice100/276_find-key.py
+++ b/codes/choice100/013_find-key.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 276_find-key.py
+@file: 013_find-key.py
 @time: 2023/7/13 20:27
 @project: huawei-od-python
-@desc: 276 寻找密码
+@desc: 013 寻找密码
 """
 
 
diff --git a/codes/choice100/277_find-the-middle-node-of-the-linked-list.py b/codes/choice100/014_find-the-middle-node-of-the-linked-list.py
similarity index 90%
rename from codes/choice100/277_find-the-middle-node-of-the-linked-list.py
rename to codes/choice100/014_find-the-middle-node-of-the-linked-list.py
index a8090cc..8012c1f 100644
--- a/codes/choice100/277_find-the-middle-node-of-the-linked-list.py
+++ b/codes/choice100/014_find-the-middle-node-of-the-linked-list.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 277_find-the-middle-node-of-the-linked-list.py
+@file: 014_find-the-middle-node-of-the-linked-list.py
 @time: 2023/7/13 20:55
 @project: huawei-od-python
-@desc: 277 寻找链表的中间结点
+@desc: 014 寻找链表的中间结点
 """
 
 
diff --git a/codes/choice100/278_have-fun.py b/codes/choice100/015_have-fun.py
similarity index 96%
rename from codes/choice100/278_have-fun.py
rename to codes/choice100/015_have-fun.py
index 9e29a54..dcaea01 100644
--- a/codes/choice100/278_have-fun.py
+++ b/codes/choice100/015_have-fun.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 278_have-fun.py
+@file: 015_have-fun.py
 @time: 2023/7/13 21:18
 @project: huawei-od-python
-@desc: 278 开心消消乐
+@desc: 015 开心消消乐
 """
 
 
diff --git a/codes/choice100/279_abnormal-attendance-records.py b/codes/choice100/016_abnormal-attendance-records.py
similarity index 97%
rename from codes/choice100/279_abnormal-attendance-records.py
rename to codes/choice100/016_abnormal-attendance-records.py
index 2d60442..fe079fe 100644
--- a/codes/choice100/279_abnormal-attendance-records.py
+++ b/codes/choice100/016_abnormal-attendance-records.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 279_abnormal-attendance-records.py
+@file: 016_abnormal-attendance-records.py
 @time: 2023/7/14 9:29
 @project: huawei-od-python
-@desc: 279 异常的打卡记录
+@desc: 016 异常的打卡记录
 """
 
 
diff --git a/codes/choice100/280_integration-testing-of-microservices.py b/codes/choice100/017_integration-testing-of-microservices.py
similarity index 93%
rename from codes/choice100/280_integration-testing-of-microservices.py
rename to codes/choice100/017_integration-testing-of-microservices.py
index 51d9f06..51cef29 100644
--- a/codes/choice100/280_integration-testing-of-microservices.py
+++ b/codes/choice100/017_integration-testing-of-microservices.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 280_integration-testing-of-microservices.py
+@file: 017_integration-testing-of-microservices.py
 @time: 2023/7/14 11:41
 @project: huawei-od-python
-@desc: 280 微服务的集成测试
+@desc: 017 微服务的集成测试
 """
 
 
diff --git a/codes/choice100/281_print-file.py b/codes/choice100/018_print-file.py
similarity index 96%
rename from codes/choice100/281_print-file.py
rename to codes/choice100/018_print-file.py
index f93136c..9365755 100644
--- a/codes/choice100/281_print-file.py
+++ b/codes/choice100/018_print-file.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 281_print-file.py
+@file: 018_print-file.py
 @time: 2023/7/14 14:00
 @project: huawei-od-python
-@desc: 281 打印文件
+@desc: 018 打印文件
 """
 import heapq
 
diff --git a/codes/choice100/282_count-vehicle-colors.py b/codes/choice100/019_count-vehicle-colors.py
similarity index 90%
rename from codes/choice100/282_count-vehicle-colors.py
rename to codes/choice100/019_count-vehicle-colors.py
index 69f20f7..9edd173 100644
--- a/codes/choice100/282_count-vehicle-colors.py
+++ b/codes/choice100/019_count-vehicle-colors.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 282_count-vehicle-colors.py
+@file: 019_count-vehicle-colors.py
 @time: 2023/7/14 15:31
 @project: huawei-od-python
-@desc: 282 找出通过车辆最多颜色
+@desc: 019 找出通过车辆最多颜色
 """
 import collections
 
diff --git a/codes/choice100/283_find-number.py b/codes/choice100/020_find-number.py
similarity index 96%
rename from codes/choice100/283_find-number.py
rename to codes/choice100/020_find-number.py
index 7246faf..3ab3284 100644
--- a/codes/choice100/283_find-number.py
+++ b/codes/choice100/020_find-number.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 283_find-number.py
+@file: 020_find-number.py
 @time: 2023/7/14 16:12
 @project: huawei-od-python
-@desc: 283 找数字
+@desc: 020 找数字
 """
 import math
 from collections import defaultdict
diff --git a/codes/choice100/284_shooting-competition.py b/codes/choice100/021_shooting-competition.py
similarity index 94%
rename from codes/choice100/284_shooting-competition.py
rename to codes/choice100/021_shooting-competition.py
index 4dbc43c..4ffddec 100644
--- a/codes/choice100/284_shooting-competition.py
+++ b/codes/choice100/021_shooting-competition.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 284_shooting-competition.py
+@file: 021_shooting-competition.py
 @time: 2023/7/14 17:22
 @project: huawei-od-python
-@desc: 284 投篮大赛
+@desc: 021 投篮大赛
 """
 
 
diff --git a/codes/choice100/285_the-middle-position-of-array.py b/codes/choice100/022_the-middle-position-of-array.py
similarity index 88%
rename from codes/choice100/285_the-middle-position-of-array.py
rename to codes/choice100/022_the-middle-position-of-array.py
index d39fd73..1a5c372 100644
--- a/codes/choice100/285_the-middle-position-of-array.py
+++ b/codes/choice100/022_the-middle-position-of-array.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 285_the-middle-position-of-array.py
+@file: 022_the-middle-position-of-array.py
 @time: 2023/7/14 17:53
 @project: huawei-od-python
-@desc: 285 数组的中心位置
+@desc: 022 数组的中心位置
 """
 from functools import reduce
 
diff --git a/codes/choice100/286_adjust-poker.py b/codes/choice100/023_adjust-poker.py
similarity index 96%
rename from codes/choice100/286_adjust-poker.py
rename to codes/choice100/023_adjust-poker.py
index 38e380a..82a68e7 100644
--- a/codes/choice100/286_adjust-poker.py
+++ b/codes/choice100/023_adjust-poker.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 286_adjust-poker.py
+@file: 023_adjust-poker.py
 @time: 2023/7/14 18:27
 @project: huawei-od-python
-@desc: 286 整理扑克牌
+@desc: 023 整理扑克牌
 """
 import collections
 
diff --git a/codes/choice100/287_seat-assignment.py b/codes/choice100/024_seat-assignment.py
similarity index 92%
rename from codes/choice100/287_seat-assignment.py
rename to codes/choice100/024_seat-assignment.py
index 80c7bf4..a4d4125 100644
--- a/codes/choice100/287_seat-assignment.py
+++ b/codes/choice100/024_seat-assignment.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 287_seat-assignment.py
+@file: 024_seat-assignment.py
 @time: 2023/7/14 20:03
 @project: huawei-od-python
-@desc: 287 新员工座位安排系统
+@desc: 024 新员工座位安排系统
 """
 
 
diff --git a/codes/choice100/288_choose-location-of-the-new-school.py b/codes/choice100/025_choose-location-of-the-new-school.py
similarity index 82%
rename from codes/choice100/288_choose-location-of-the-new-school.py
rename to codes/choice100/025_choose-location-of-the-new-school.py
index 2f812fa..6545412 100644
--- a/codes/choice100/288_choose-location-of-the-new-school.py
+++ b/codes/choice100/025_choose-location-of-the-new-school.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 288_choose-location-of-the-new-school.py
+@file: 025_choose-location-of-the-new-school.py
 @time: 2023/7/14 20:24
 @project: huawei-od-python
-@desc: 288 新学校选址
+@desc: 025 新学校选址
 """
 
 
diff --git a/codes/choice100/289_log-collection-system.py b/codes/choice100/026_log-collection-system.py
similarity index 92%
rename from codes/choice100/289_log-collection-system.py
rename to codes/choice100/026_log-collection-system.py
index 361c931..8b6fca1 100644
--- a/codes/choice100/289_log-collection-system.py
+++ b/codes/choice100/026_log-collection-system.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 289_log-collection-system.py
+@file: 026_log-collection-system.py
 @time: 2023/7/14 23:04
 @project: huawei-od-python
-@desc: 289 日志采集系统
+@desc: 026 日志采集系统
 """
 
 
diff --git a/codes/choice100/290_star-basketball-competition.py b/codes/choice100/027_star-basketball-competition.py
similarity index 93%
rename from codes/choice100/290_star-basketball-competition.py
rename to codes/choice100/027_star-basketball-competition.py
index e9e5e6c..440f246 100644
--- a/codes/choice100/290_star-basketball-competition.py
+++ b/codes/choice100/027_star-basketball-competition.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 290_star-basketball-competition.py
+@file: 027_star-basketball-competition.py
 @time: 2023/7/15 1:07
 @project: huawei-od-python
-@desc: 290 星际篮球争霸赛
+@desc: 027 星际篮球争霸赛
 """
 
 
diff --git a/codes/choice100/291_maximum-number-of-substrings-extracted.py b/codes/choice100/028_maximum-number-of-substrings-extracted.py
similarity index 92%
rename from codes/choice100/291_maximum-number-of-substrings-extracted.py
rename to codes/choice100/028_maximum-number-of-substrings-extracted.py
index cda364a..9ab98cf 100644
--- a/codes/choice100/291_maximum-number-of-substrings-extracted.py
+++ b/codes/choice100/028_maximum-number-of-substrings-extracted.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: Jack Lee C.S.
-@file: 291_maximum-number-of-substrings-extracted.py
+@file: 028_maximum-number-of-substrings-extracted.py
 @time: 2023/07/12 10:59
 @project: huawei-od-python
-@desc: 291 最多提取子串数目
+@desc: 028 最多提取子串数目
 """
 
 
diff --git a/codes/choice100/292_max-salary.py b/codes/choice100/029_max-salary.py
similarity index 93%
rename from codes/choice100/292_max-salary.py
rename to codes/choice100/029_max-salary.py
index 08c4d4a..c2947de 100644
--- a/codes/choice100/292_max-salary.py
+++ b/codes/choice100/029_max-salary.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: Jack Lee C.S.
-@file: 292_max-salary.py
+@file: 029_max-salary.py
 @time: 2023/07/12 14:39
 @project: huawei-od-python
-@desc: 292 最大报酬
+@desc: 029 最大报酬
 """
 
 
diff --git a/codes/choice100/293_minimum-applicator-energy-efficiency.py b/codes/choice100/030_minimum-applicator-energy-efficiency.py
similarity index 89%
rename from codes/choice100/293_minimum-applicator-energy-efficiency.py
rename to codes/choice100/030_minimum-applicator-energy-efficiency.py
index 87a734c..155235a 100644
--- a/codes/choice100/293_minimum-applicator-energy-efficiency.py
+++ b/codes/choice100/030_minimum-applicator-energy-efficiency.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 293_minimum-applicator-energy-efficiency.py
+@file: 030_minimum-applicator-energy-efficiency.py
 @time: 2023/7/31 18:38
 @project: huawei-od-python
-@desc: 293 最小施肥机能效
+@desc: 030 最小施肥机能效
 """
 
 
diff --git a/codes/choice100/294_leftmost-redundant-overlay-substring.py b/codes/choice100/031_leftmost-redundant-overlay-substring.py
similarity index 83%
rename from codes/choice100/294_leftmost-redundant-overlay-substring.py
rename to codes/choice100/031_leftmost-redundant-overlay-substring.py
index c2780d4..63fc331 100644
--- a/codes/choice100/294_leftmost-redundant-overlay-substring.py
+++ b/codes/choice100/031_leftmost-redundant-overlay-substring.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 294_leftmost-redundant-overlay-substring.py
+@file: 031_leftmost-redundant-overlay-substring.py
 @time: 2023/7/31 20:38
 @project: huawei-od-python
-@desc: 294 最左侧冗余覆盖子串
+@desc: 031 最左侧冗余覆盖子串
 """
 from collections import Counter
 
diff --git a/codes/choice100/295_min-board-length.py b/codes/choice100/032_min-board-length.py
similarity index 91%
rename from codes/choice100/295_min-board-length.py
rename to codes/choice100/032_min-board-length.py
index fa2ecc7..b39c4bf 100644
--- a/codes/choice100/295_min-board-length.py
+++ b/codes/choice100/032_min-board-length.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 295_min-board-length.py
+@file: 032_min-board-length.py
 @time: 2023/7/31 21:45
 @project: huawei-od-python
-@desc: 295 最短木板长度
+@desc: 032 最短木板长度
 """
 
 
diff --git a/codes/choice100/296_find-charging-device-combinations.py b/codes/choice100/033_find-charging-device-combinations.py
similarity index 91%
rename from codes/choice100/296_find-charging-device-combinations.py
rename to codes/choice100/033_find-charging-device-combinations.py
index 112cd1a..23d059c 100644
--- a/codes/choice100/296_find-charging-device-combinations.py
+++ b/codes/choice100/033_find-charging-device-combinations.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 296_find-charging-device-combinations.py
+@file: 033_find-charging-device-combinations.py
 @time: 2023/8/1 10:53
 @project: huawei-od-python
-@desc: 296 查找充电设备组合
+@desc: 033 查找充电设备组合
 """
 
 
diff --git a/codes/choice100/297_finds-a-single-entry-free-area.py b/codes/choice100/034_finds-a-single-entry-free-area.py
similarity index 96%
rename from codes/choice100/297_finds-a-single-entry-free-area.py
rename to codes/choice100/034_finds-a-single-entry-free-area.py
index 3bae783..1933a33 100644
--- a/codes/choice100/297_finds-a-single-entry-free-area.py
+++ b/codes/choice100/034_finds-a-single-entry-free-area.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 297_finds-a-single-entry-free-area.py
+@file: 034_finds-a-single-entry-free-area.py
 @time: 2023/8/1 14:52
 @project: huawei-od-python
-@desc: 297 查找单入口空闲区域
+@desc: 034 查找单入口空闲区域
 """
 
 
diff --git a/codes/choice100/298_specific-double-ended-que.py b/codes/choice100/035_specific-double-ended-que.py
similarity index 93%
rename from codes/choice100/298_specific-double-ended-que.py
rename to codes/choice100/035_specific-double-ended-que.py
index 14b2781..60b34f4 100644
--- a/codes/choice100/298_specific-double-ended-que.py
+++ b/codes/choice100/035_specific-double-ended-que.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 298_specific-double-ended-que.py
+@file: 035_specific-double-ended-que.py
 @time: 2023/8/1 17:39
 @project: huawei-od-python
-@desc: 298 特异性双端队列
+@desc: 035 特异性双端队列
 """
 
 
diff --git a/codes/choice100/299_riddles.py b/codes/choice100/036_riddles.py
similarity index 94%
rename from codes/choice100/299_riddles.py
rename to codes/choice100/036_riddles.py
index 0180cb2..d48467e 100644
--- a/codes/choice100/299_riddles.py
+++ b/codes/choice100/036_riddles.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 299_riddles.py
+@file: 036_riddles.py
 @time: 2023/8/1 18:27
 @project: huawei-od-python
-@desc: 299 猜字谜
+@desc: 036 猜字谜
 """
 
 
diff --git a/codes/choice100/300_block-games-with-the-same-number.py b/codes/choice100/037_block-games-with-the-same-number.py
similarity index 85%
rename from codes/choice100/300_block-games-with-the-same-number.py
rename to codes/choice100/037_block-games-with-the-same-number.py
index b1fed69..8c1f1e3 100644
--- a/codes/choice100/300_block-games-with-the-same-number.py
+++ b/codes/choice100/037_block-games-with-the-same-number.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 300_block-games-with-the-same-number.py
+@file: 037_block-games-with-the-same-number.py
 @time: 2023/8/1 18:52
 @project: huawei-od-python
-@desc: 300 相同数字的积木游戏
+@desc: 037 相同数字的积木游戏
 """
 from collections import defaultdict
 
diff --git a/codes/choice100/301_knowledge-graph-neologism-mining.py b/codes/choice100/038_knowledge-graph-neologism-mining.py
similarity index 86%
rename from codes/choice100/301_knowledge-graph-neologism-mining.py
rename to codes/choice100/038_knowledge-graph-neologism-mining.py
index a1ebcdb..9fb7cd5 100644
--- a/codes/choice100/301_knowledge-graph-neologism-mining.py
+++ b/codes/choice100/038_knowledge-graph-neologism-mining.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 301_knowledge-graph-neologism-mining.py
+@file: 038_knowledge-graph-neologism-mining.py
 @time: 2023/8/2 9:06
 @project: huawei-od-python
-@desc: 301 知识图谱新词挖掘
+@desc: 038 知识图谱新词挖掘
 """
 from collections import Counter
 
diff --git a/codes/choice100/302_car-rental-ride-Green-Island.py b/codes/choice100/039_car-rental-ride-Green-Island.py
similarity index 86%
rename from codes/choice100/302_car-rental-ride-Green-Island.py
rename to codes/choice100/039_car-rental-ride-Green-Island.py
index 4b6c7cb..54f8714 100644
--- a/codes/choice100/302_car-rental-ride-Green-Island.py
+++ b/codes/choice100/039_car-rental-ride-Green-Island.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 302_car-rental-ride-Green-Island.py
+@file: 039_car-rental-ride-Green-Island.py
 @time: 2023/8/2 9:21
 @project: huawei-od-python
-@desc: 302 租车骑绿岛
+@desc: 039 租车骑绿岛
 """
 
 
diff --git a/codes/choice100/303_port-merging.py b/codes/choice100/040_port-merging.py
similarity index 95%
rename from codes/choice100/303_port-merging.py
rename to codes/choice100/040_port-merging.py
index a104819..7afc8c7 100644
--- a/codes/choice100/303_port-merging.py
+++ b/codes/choice100/040_port-merging.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 303_port-merging.py
+@file: 040_port-merging.py
 @time: 2023/8/2 10:11
 @project: huawei-od-python
-@desc: 303 端口合并
+@desc: 040 端口合并
 """
 
 
diff --git a/codes/choice100/304_the-boxes-are-arranged-in-a-zigzag-pattern.py b/codes/choice100/041_the-boxes-are-arranged-in-a-zigzag-pattern.py
similarity index 87%
rename from codes/choice100/304_the-boxes-are-arranged-in-a-zigzag-pattern.py
rename to codes/choice100/041_the-boxes-are-arranged-in-a-zigzag-pattern.py
index 7ff0284..77baab9 100644
--- a/codes/choice100/304_the-boxes-are-arranged-in-a-zigzag-pattern.py
+++ b/codes/choice100/041_the-boxes-are-arranged-in-a-zigzag-pattern.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 304_the-boxes-are-arranged-in-a-zigzag-pattern.py
+@file: 041_the-boxes-are-arranged-in-a-zigzag-pattern.py
 @time: 2023/8/2 10:52
 @project: huawei-od-python
-@desc: 304 箱子之字形摆放
+@desc: 041 箱子之字形摆放
 """
 
 
diff --git a/codes/choice100/305-Online-mall-promotions-1.py b/codes/choice100/042_Online-mall-promotions-1.py
similarity index 97%
rename from codes/choice100/305-Online-mall-promotions-1.py
rename to codes/choice100/042_Online-mall-promotions-1.py
index ca4c9d7..56daf69 100644
--- a/codes/choice100/305-Online-mall-promotions-1.py
+++ b/codes/choice100/042_Online-mall-promotions-1.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 305-Online-mall-promotions-1.py
+@file: 042_Online-mall-promotions-1.py
 @time: 2023/8/2 11:38
 @project: huawei-od-python
-@desc: 305 网上商城优惠活动（一）
+@desc: 042 网上商城优惠活动（一）
 """
 
 
diff --git a/codes/choice100/306_automatic-exposure.py b/codes/choice100/043_automatic-exposure.py
similarity index 93%
rename from codes/choice100/306_automatic-exposure.py
rename to codes/choice100/043_automatic-exposure.py
index 9f2d3d9..a9558a3 100644
--- a/codes/choice100/306_automatic-exposure.py
+++ b/codes/choice100/043_automatic-exposure.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 306_automatic-exposure.py
+@file: 043_automatic-exposure.py
 @time: 2023/8/2 23:47
 @project: huawei-od-python
-@desc: 306 自动曝光
+@desc: 043 自动曝光
 """
 
 
diff --git a/codes/choice100/307_obtain-the-maximum-software-version-number.py b/codes/choice100/044_obtain-the-maximum-software-version-number.py
similarity index 94%
rename from codes/choice100/307_obtain-the-maximum-software-version-number.py
rename to codes/choice100/044_obtain-the-maximum-software-version-number.py
index f366558..e5fa967 100644
--- a/codes/choice100/307_obtain-the-maximum-software-version-number.py
+++ b/codes/choice100/044_obtain-the-maximum-software-version-number.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 307_obtain-the-maximum-software-version-number.py
+@file: 044_obtain-the-maximum-software-version-number.py
 @time: 2023/8/3 11:44
 @project: huawei-od-python
-@desc: 307 获取最大软件版本号
+@desc: 044 获取最大软件版本号
 """
 import re
 
diff --git a/codes/choice100/308_get-the-perfect-position.py b/codes/choice100/045_get-the-perfect-position.py
similarity index 94%
rename from codes/choice100/308_get-the-perfect-position.py
rename to codes/choice100/045_get-the-perfect-position.py
index e39ed42..3a2ce9f 100644
--- a/codes/choice100/308_get-the-perfect-position.py
+++ b/codes/choice100/045_get-the-perfect-position.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 308_get-the-perfect-position.py
+@file: 045_get-the-perfect-position.py
 @time: 2023/8/3 14:11
 @project: huawei-od-python
-@desc: 308 获得完美走位
+@desc: 045 获得完美走位
 """
 import math
 from collections import Counter
diff --git a/codes/choice100/309_currency-unit-conversion.py b/codes/choice100/046_currency-unit-conversion.py
similarity index 93%
rename from codes/choice100/309_currency-unit-conversion.py
rename to codes/choice100/046_currency-unit-conversion.py
index aff9178..420a7a3 100644
--- a/codes/choice100/309_currency-unit-conversion.py
+++ b/codes/choice100/046_currency-unit-conversion.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 309_currency-unit-conversion.py
+@file: 046_currency-unit-conversion.py
 @time: 2023/8/3 15:33
 @project: huawei-od-python
-@desc: 309 货币单位换算
+@desc: 046 货币单位换算
 """
 import re
 
diff --git a/codes/choice100/310_greedy-businessmen-maximum-profit.py b/codes/choice100/047_greedy-businessmen-maximum-profit.py
similarity index 93%
rename from codes/choice100/310_greedy-businessmen-maximum-profit.py
rename to codes/choice100/047_greedy-businessmen-maximum-profit.py
index ee3ff1c..d8e4389 100644
--- a/codes/choice100/310_greedy-businessmen-maximum-profit.py
+++ b/codes/choice100/047_greedy-businessmen-maximum-profit.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 310_greedy-businessmen-maximum-profit.py
+@file: 047_greedy-businessmen-maximum-profit.py
 @time: 2023/8/3 16:04
 @project: huawei-od-python
-@desc: 310 贪心的商人、最大利润
+@desc: 047 贪心的商人、最大利润
 """
 
 
diff --git a/codes/choice100/311_bit-error-rate.py b/codes/choice100/048_bit-error-rate.py
similarity index 94%
rename from codes/choice100/311_bit-error-rate.py
rename to codes/choice100/048_bit-error-rate.py
index eadedf7..a3ac5ad 100644
--- a/codes/choice100/311_bit-error-rate.py
+++ b/codes/choice100/048_bit-error-rate.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 311_bit-error-rate.py
+@file: 048_bit-error-rate.py
 @time: 2023/8/3 16:51
 @project: huawei-od-python
-@desc: 311 通信误码
+@desc: 048 通信误码
 """
 import math
 from collections import defaultdict
diff --git a/codes/choice100/312_static-scanning-optimal-cost.py b/codes/choice100/049_static-scanning-optimal-cost.py
similarity index 93%
rename from codes/choice100/312_static-scanning-optimal-cost.py
rename to codes/choice100/049_static-scanning-optimal-cost.py
index 2f738c0..279ca5f 100644
--- a/codes/choice100/312_static-scanning-optimal-cost.py
+++ b/codes/choice100/049_static-scanning-optimal-cost.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 312_static-scanning-optimal-cost.py
+@file: 049_static-scanning-optimal-cost.py
 @time: 2023/8/3 17:12
 @project: huawei-od-python
-@desc: 312 静态扫描最优成本
+@desc: 049 静态扫描最优成本
 """
 from collections import defaultdict
 
diff --git a/codes/choice100/313_hotel-reservation.py b/codes/choice100/050_hotel-reservation.py
similarity index 93%
rename from codes/choice100/313_hotel-reservation.py
rename to codes/choice100/050_hotel-reservation.py
index 3e77f41..506a921 100644
--- a/codes/choice100/313_hotel-reservation.py
+++ b/codes/choice100/050_hotel-reservation.py
@@ -2,10 +2,10 @@
 # encoding: utf-8
 """
 @author: HuRuiFeng
-@file: 313_hotel-reservation.py
+@file: 050_hotel-reservation.py
 @time: 2023/8/3 17:43
 @project: huawei-od-python
-@desc: 313 预订酒店
+@desc: 050 预订酒店
 """
 
 
diff --git a/docs/_sidebar.md b/docs/_sidebar.md
index 86a20cb..981cfc2 100644
--- a/docs/_sidebar.md
+++ b/docs/_sidebar.md
@@ -1,55 +1,55 @@
 * [目录](README.md)
     * 精选100分题
-        * [265 AI处理器组合](choice100/265_AI-Processor-Combination.md)
-        * [266 任务总执行时长](choice100/266_task-execute-total-time.md)
-        * [267 优秀学员统计](choice100/267_count-outstanding-students.md)
-        * [268 光伏场地建设规划](choice100/268_PV-site-construction-plan.md)
-        * [269 匿名信](choice100/269_anonymous-letter.md)
-        * [270 单词倒序](choice100/270_reverse-words.md)
-        * [271 基站维修工程师](choice100/271_base-station-maintenance-engineer.md)
-        * [271 找出重复代码](choice100/271_find-duplicate-codes.md)
-        * [272 字符串解密加扰字符串](choice100/272_decrypt-string.md)
-        * [273 字符串重新排序](choice100/273_rearrange-string.md)
-        * [274 对称美学](choice100/274_symmetric-string.md)
-        * [275 寻找关键钥匙](choice100/275_find-important-keys.md)
-        * [276 寻找密码](choice100/276_find-key.md)
-        * [277 寻找链表的中间结点](choice100/277_find-the-middle-node-of-the-linked-list.md)
-        * [278 开心消消乐](choice100/278_have-fun.md)
-        * [279 异常的打卡记录](choice100/279_abnormal-attendance-records.md)
-        * [280 微服务的集成测试](choice100/280_integration-testing-of-microservices.md)
-        * [281 打印文件](choice100/281_print-file.md)
-        * [282 找出通过车辆最多的颜色](choice100/282_count-vehicle-colors.md)
-        * [283 找数字](choice100/283_find-number.md)
-        * [284 投篮大赛](choice100/284_shooting-competition.md)
-        * [285 数组的中心位置](choice100/285_the-middle-position-of-array.md)
-        * [286 整理扑克牌](choice100/286_adjust-poker.md)
-        * [287 新员工座位安排系统](choice100/287_seat-assignment.md)
-        * [288 新学校选址](choice100/288_choose-location-of-the-new-school.md)
-        * [289 日志采集系统](choice100/289_log-collection-system.md)
-        * [290 星际篮球争霸赛](choice100/290_star-basketball-competition.md)
-        * [291 最多提取子串数目](choice100/291_maximum-number-of-substrings-extracted.md)
-        * [292 最大报酬](choice100/292_max-salary.md)
-        * [293 最小施肥机能效](choice100/293_minimum-applicator-energy-efficiency.md)
-        * [294 最左侧冗余覆盖子串](choice100/294_leftmost-redundant-overlay-substring.md)
-        * [295 最短木板长度](choice100/295_min-board-length.md)
-        * [296 查找充电设备组合](choice100/296_find-charging-device-combinations.md)
-        * [297 查找单入口空闲区域](choice100/297_finds-a-single-entry-free-area.md)
-        * [298 特异性双端队列](choice100/298_specific-double-ended-que.md)
-        * [299 猜字谜](choice100/299_riddles.md)
-        * [300 相同数字的积木游戏](choice100/300_block-games-with-the-same-number.md)
-        * [301 知识图谱新词挖掘](choice100/301_knowledge-graph-neologism-mining.md)
-        * [302 租车骑绿岛](choice100/302_car-rental-ride-Green-Island.md)
-        * [303 端口合并](choice100/303_port-merging.md)
-        * [304 箱子之字形摆放](choice100/304_the-boxes-are-arranged-in-a-zigzag-pattern.md)
-        * [305 网上商城优惠活动（一）](choice100/305_Online-mall-promotions-1.md)
-        * [306 自动曝光](choice100/306_automatic-exposure.md)
-        * [307 获取最大软件版本号](choice100/307_obtain-the-maximum-software-version-number.md)
-        * [308 获得完美走位](choice100/308_get-the-perfect-position.md)
-        * [309 货币单位换算](choice100/309_currency-unit-conversion.md)
-        * [310 贪心的商人、最大利润](choice100/310_greedy-businessmen-maximum-profit.md)
-        * [311 通信误码](choice100/311_bit-error-rate.md)
-        * [312 静态扫描最优成本](choice100/312_static-scanning-optimal-cost.md)
-        * [313 预订酒店](choice100/313_hotel-reservation.md)
+        * [001 AI处理器组合](choice100/001_AI-Processor-Combination.md)
+        * [002 任务总执行时长](choice100/002_task-execute-total-time.md)
+        * [003 优秀学员统计](choice100/003_count-outstanding-students.md)
+        * [004 光伏场地建设规划](choice100/004_PV-site-construction-plan.md)
+        * [005 匿名信](choice100/005_anonymous-letter.md)
+        * [006 单词倒序](choice100/006_reverse-words.md)
+        * [007 基站维修工程师](choice100/007_base-station-maintenance-engineer.md)
+        * [008 找出重复代码](choice100/008_find-duplicate-codes.md)
+        * [009 字符串解密加扰字符串](choice100/009_decrypt-string.md)
+        * [010 字符串重新排序](choice100/010_rearrange-string.md)
+        * [011 对称美学](choice100/011_symmetric-string.md)
+        * [012 寻找关键钥匙](choice100/012_find-important-keys.md)
+        * [013 寻找密码](choice100/013_find-key.md)
+        * [014 寻找链表的中间结点](choice100/014_find-the-middle-node-of-the-linked-list.md)
+        * [015 开心消消乐](choice100/015_have-fun.md)
+        * [016 异常的打卡记录](choice100/016_abnormal-attendance-records.md)
+        * [017 微服务的集成测试](choice100/017_integration-testing-of-microservices.md)
+        * [018 打印文件](choice100/018_print-file.md)
+        * [019 找出通过车辆最多的颜色](choice100/019_count-vehicle-colors.md)
+        * [020 找数字](choice100/020_find-number.md)
+        * [021 投篮大赛](choice100/021_shooting-competition.md)
+        * [022 数组的中心位置](choice100/022_the-middle-position-of-array.md)
+        * [023 整理扑克牌](choice100/023_adjust-poker.md)
+        * [024 新员工座位安排系统](choice100/024_seat-assignment.md)
+        * [025 新学校选址](choice100/025_choose-location-of-the-new-school.md)
+        * [026 日志采集系统](choice100/026_log-collection-system.md)
+        * [027 星际篮球争霸赛](choice100/027_star-basketball-competition.md)
+        * [028 最多提取子串数目](choice100/028_maximum-number-of-substrings-extracted.md)
+        * [029 最大报酬](choice100/029_max-salary.md)
+        * [030 最小施肥机能效](choice100/030_minimum-applicator-energy-efficiency.md)
+        * [031 最左侧冗余覆盖子串](choice100/031_leftmost-redundant-overlay-substring.md)
+        * [032 最短木板长度](choice100/032_min-board-length.md)
+        * [033 查找充电设备组合](choice100/033_find-charging-device-combinations.md)
+        * [034 查找单入口空闲区域](choice100/034_finds-a-single-entry-free-area.md)
+        * [035 特异性双端队列](choice100/035_specific-double-ended-que.md)
+        * [036 猜字谜](choice100/036_riddles.md)
+        * [037 相同数字的积木游戏](choice100/037_block-games-with-the-same-number.md)
+        * [038 知识图谱新词挖掘](choice100/038_knowledge-graph-neologism-mining.md)
+        * [039 租车骑绿岛](choice100/039_car-rental-ride-Green-Island.md)
+        * [040 端口合并](choice100/040_port-merging.md)
+        * [041 箱子之字形摆放](choice100/041_the-boxes-are-arranged-in-a-zigzag-pattern.md)
+        * [042 网上商城优惠活动（一）](choice100/042_Online-mall-promotions-1.md)
+        * [043 自动曝光](choice100/043_automatic-exposure.md)
+        * [044 获取最大软件版本号](choice100/044_obtain-the-maximum-software-version-number.md)
+        * [045 获得完美走位](choice100/045_get-the-perfect-position.md)
+        * [046 货币单位换算](choice100/046_currency-unit-conversion.md)
+        * [047 贪心的商人、最大利润](choice100/047_greedy-businessmen-maximum-profit.md)
+        * [048 通信误码](choice100/048_bit-error-rate.md)
+        * [049 静态扫描最优成本](choice100/049_static-scanning-optimal-cost.md)
+        * [050 预订酒店](choice100/050_hotel-reservation.md)
     * 200分题
         * [001 Excel单元格数值统计](questions200/001_excel-cell-value-statistics.md)
         * [002 Linux发行版的数量](questions200/002_the-number-of-Linux-distributions.md)
diff --git a/docs/choice100/265_AI-Processor-Combination.md b/docs/choice100/001_AI-Processor-Combination.md
similarity index 99%
rename from docs/choice100/265_AI-Processor-Combination.md
rename to docs/choice100/001_AI-Processor-Combination.md
index 917aaad..e41a56e 100644
--- a/docs/choice100/265_AI-Processor-Combination.md
+++ b/docs/choice100/001_AI-Processor-Combination.md
@@ -1,4 +1,4 @@
-# 265 AI处理器组合
+# 001 AI处理器组合
 
 ## 题目描述
 
diff --git a/docs/choice100/266_task-execute-total-time.md b/docs/choice100/002_task-execute-total-time.md
similarity index 98%
rename from docs/choice100/266_task-execute-total-time.md
rename to docs/choice100/002_task-execute-total-time.md
index 7d5ffc6..5034b45 100644
--- a/docs/choice100/266_task-execute-total-time.md
+++ b/docs/choice100/002_task-execute-total-time.md
@@ -1,4 +1,4 @@
-# 266 任务总执行时长
+# 002 任务总执行时长
 
 ## 题目描述
 
diff --git a/docs/choice100/267_count-outstanding-students.md b/docs/choice100/003_count-outstanding-students.md
similarity index 99%
rename from docs/choice100/267_count-outstanding-students.md
rename to docs/choice100/003_count-outstanding-students.md
index 4db8c26..c0a1437 100644
--- a/docs/choice100/267_count-outstanding-students.md
+++ b/docs/choice100/003_count-outstanding-students.md
@@ -1,4 +1,4 @@
-# 267 优秀学员统计
+# 003 优秀学员统计
 
 ## 题目描述
 
diff --git a/docs/choice100/268_PV-site-construction-plan.md b/docs/choice100/004_PV-site-construction-plan.md
similarity index 99%
rename from docs/choice100/268_PV-site-construction-plan.md
rename to docs/choice100/004_PV-site-construction-plan.md
index 251ceee..95fe5d6 100644
--- a/docs/choice100/268_PV-site-construction-plan.md
+++ b/docs/choice100/004_PV-site-construction-plan.md
@@ -1,4 +1,4 @@
-# 268 光伏场地建设规划
+# 004 光伏场地建设规划
 
 ## 题目描述
 
diff --git a/docs/choice100/269_anonymous-letter.md b/docs/choice100/005_anonymous-letter.md
similarity index 99%
rename from docs/choice100/269_anonymous-letter.md
rename to docs/choice100/005_anonymous-letter.md
index 170ef89..b826e44 100644
--- a/docs/choice100/269_anonymous-letter.md
+++ b/docs/choice100/005_anonymous-letter.md
@@ -1,4 +1,4 @@
-# 269 匿名信
+# 005 匿名信
 
 ## 题目描述
 
diff --git a/docs/choice100/270_reverse-words.md b/docs/choice100/006_reverse-words.md
similarity index 98%
rename from docs/choice100/270_reverse-words.md
rename to docs/choice100/006_reverse-words.md
index 1ce629e..23a34ed 100644
--- a/docs/choice100/270_reverse-words.md
+++ b/docs/choice100/006_reverse-words.md
@@ -1,4 +1,4 @@
-# 270 单词倒序
+# 006 单词倒序
 
 ## 题目描述
 
diff --git a/docs/choice100/271_base-station-maintenance-engineer.md b/docs/choice100/007_base-station-maintenance-engineer.md
similarity index 98%
rename from docs/choice100/271_base-station-maintenance-engineer.md
rename to docs/choice100/007_base-station-maintenance-engineer.md
index 60f2b0b..3f71f6b 100644
--- a/docs/choice100/271_base-station-maintenance-engineer.md
+++ b/docs/choice100/007_base-station-maintenance-engineer.md
@@ -1,4 +1,4 @@
-# 271 基站维修工程师
+# 007 基站维修工程师
 
 ## 题目描述
 
diff --git a/docs/choice100/271_find-duplicate-codes.md b/docs/choice100/008_find-duplicate-codes.md
similarity index 99%
rename from docs/choice100/271_find-duplicate-codes.md
rename to docs/choice100/008_find-duplicate-codes.md
index f84f8e9..16e47e7 100644
--- a/docs/choice100/271_find-duplicate-codes.md
+++ b/docs/choice100/008_find-duplicate-codes.md
@@ -1,4 +1,4 @@
-# 271 找出重复代码
+# 008 找出重复代码
 
 ## 题目描述
 
diff --git a/docs/choice100/272_decrypt-string.md b/docs/choice100/009_decrypt-string.md
similarity index 99%
rename from docs/choice100/272_decrypt-string.md
rename to docs/choice100/009_decrypt-string.md
index 98474f0..bc23a4a 100644
--- a/docs/choice100/272_decrypt-string.md
+++ b/docs/choice100/009_decrypt-string.md
@@ -1,4 +1,4 @@
-# 272 字符串解密加扰字符串
+# 009 字符串解密加扰字符串
 
 ## 题目描述
 
diff --git a/docs/choice100/273_rearrange-string.md b/docs/choice100/010_rearrange-string.md
similarity index 98%
rename from docs/choice100/273_rearrange-string.md
rename to docs/choice100/010_rearrange-string.md
index 27afb9b..336c9c0 100644
--- a/docs/choice100/273_rearrange-string.md
+++ b/docs/choice100/010_rearrange-string.md
@@ -1,4 +1,4 @@
-# 273 字符串重新排序
+# 010 字符串重新排序
 
 ## 题目描述
 
diff --git a/docs/choice100/274_symmetric-string.md b/docs/choice100/011_symmetric-string.md
similarity index 99%
rename from docs/choice100/274_symmetric-string.md
rename to docs/choice100/011_symmetric-string.md
index 51c2126..652f2bf 100644
--- a/docs/choice100/274_symmetric-string.md
+++ b/docs/choice100/011_symmetric-string.md
@@ -1,4 +1,4 @@
-# 274 对称美学
+# 011 对称美学
 
 ## 题目描述
 
diff --git a/docs/choice100/275_find-important-keys.md b/docs/choice100/012_find-important-keys.md
similarity index 99%
rename from docs/choice100/275_find-important-keys.md
rename to docs/choice100/012_find-important-keys.md
index c324142..2b35d69 100644
--- a/docs/choice100/275_find-important-keys.md
+++ b/docs/choice100/012_find-important-keys.md
@@ -1,4 +1,4 @@
-# 275 寻找关键钥匙
+# 012 寻找关键钥匙
 
 ## 题目描述
 
diff --git a/docs/choice100/276_find-key.md b/docs/choice100/013_find-key.md
similarity index 99%
rename from docs/choice100/276_find-key.md
rename to docs/choice100/013_find-key.md
index 3c68fb0..50e0ab0 100644
--- a/docs/choice100/276_find-key.md
+++ b/docs/choice100/013_find-key.md
@@ -1,4 +1,4 @@
-# 276 寻找密码
+# 013 寻找密码
 
 ## 题目描述
 
diff --git a/docs/choice100/277_find-the-middle-node-of-the-linked-list.md b/docs/choice100/014_find-the-middle-node-of-the-linked-list.md
similarity index 98%
rename from docs/choice100/277_find-the-middle-node-of-the-linked-list.md
rename to docs/choice100/014_find-the-middle-node-of-the-linked-list.md
index 9a8d944..ea023be 100644
--- a/docs/choice100/277_find-the-middle-node-of-the-linked-list.md
+++ b/docs/choice100/014_find-the-middle-node-of-the-linked-list.md
@@ -1,4 +1,4 @@
-# 277 寻找链表的中间结点
+# 014 寻找链表的中间结点
 
 ## 题目描述
 
diff --git a/docs/choice100/278_have-fun.md b/docs/choice100/015_have-fun.md
similarity index 99%
rename from docs/choice100/278_have-fun.md
rename to docs/choice100/015_have-fun.md
index ab05739..2a96cc6 100644
--- a/docs/choice100/278_have-fun.md
+++ b/docs/choice100/015_have-fun.md
@@ -1,4 +1,4 @@
-# 278 开心消消乐
+# 015 开心消消乐
 
 ## 题目描述
 
diff --git a/docs/choice100/279_abnormal-attendance-records.md b/docs/choice100/016_abnormal-attendance-records.md
similarity index 99%
rename from docs/choice100/279_abnormal-attendance-records.md
rename to docs/choice100/016_abnormal-attendance-records.md
index 7e8df30..da7f98e 100644
--- a/docs/choice100/279_abnormal-attendance-records.md
+++ b/docs/choice100/016_abnormal-attendance-records.md
@@ -1,4 +1,4 @@
-# 279 异常的打卡记录
+# 016 异常的打卡记录
 
 ## 题目描述
 
diff --git a/docs/choice100/280_integration-testing-of-microservices.md b/docs/choice100/017_integration-testing-of-microservices.md
similarity index 99%
rename from docs/choice100/280_integration-testing-of-microservices.md
rename to docs/choice100/017_integration-testing-of-microservices.md
index 0c22fc5..bd991db 100644
--- a/docs/choice100/280_integration-testing-of-microservices.md
+++ b/docs/choice100/017_integration-testing-of-microservices.md
@@ -1,4 +1,4 @@
-# 280 微服务的集成测试
+# 017 微服务的集成测试
 
 ## 题目描述
 
diff --git a/docs/choice100/281_print-file.md b/docs/choice100/018_print-file.md
similarity index 99%
rename from docs/choice100/281_print-file.md
rename to docs/choice100/018_print-file.md
index 655805f..9c9990a 100644
--- a/docs/choice100/281_print-file.md
+++ b/docs/choice100/018_print-file.md
@@ -1,4 +1,4 @@
-# 281 打印文件
+# 018 打印文件
 
 ## 题目描述
 
diff --git a/docs/choice100/282_count-vehicle-colors.md b/docs/choice100/019_count-vehicle-colors.md
similarity index 97%
rename from docs/choice100/282_count-vehicle-colors.md
rename to docs/choice100/019_count-vehicle-colors.md
index f90dcea..2fdfa15 100644
--- a/docs/choice100/282_count-vehicle-colors.md
+++ b/docs/choice100/019_count-vehicle-colors.md
@@ -1,4 +1,4 @@
-# 282 找出通过车辆最多的颜色
+# 019 找出通过车辆最多的颜色
 
 ## 题目描述
 
diff --git a/docs/choice100/283_find-number.md b/docs/choice100/020_find-number.md
similarity index 99%
rename from docs/choice100/283_find-number.md
rename to docs/choice100/020_find-number.md
index 5659655..e0edf58 100644
--- a/docs/choice100/283_find-number.md
+++ b/docs/choice100/020_find-number.md
@@ -1,4 +1,4 @@
-# 283 找数字
+# 020 找数字
 
 ## 题目描述
 
diff --git a/docs/choice100/284_shooting-competition.md b/docs/choice100/021_shooting-competition.md
similarity index 99%
rename from docs/choice100/284_shooting-competition.md
rename to docs/choice100/021_shooting-competition.md
index 9ba76b5..f915bfe 100644
--- a/docs/choice100/284_shooting-competition.md
+++ b/docs/choice100/021_shooting-competition.md
@@ -1,4 +1,4 @@
-# 284 投篮大赛
+# 021 投篮大赛
 
 ## 题目描述
 
diff --git a/docs/choice100/285_the-middle-position-of-array.md b/docs/choice100/022_the-middle-position-of-array.md
similarity index 98%
rename from docs/choice100/285_the-middle-position-of-array.md
rename to docs/choice100/022_the-middle-position-of-array.md
index 34acbcb..445e1dd 100644
--- a/docs/choice100/285_the-middle-position-of-array.md
+++ b/docs/choice100/022_the-middle-position-of-array.md
@@ -1,4 +1,4 @@
-# 285 数组的中心位置
+# 022 数组的中心位置
 
 ## 题目描述
 
diff --git a/docs/choice100/286_adjust-poker.md b/docs/choice100/023_adjust-poker.md
similarity index 99%
rename from docs/choice100/286_adjust-poker.md
rename to docs/choice100/023_adjust-poker.md
index ad56959..e702f86 100644
--- a/docs/choice100/286_adjust-poker.md
+++ b/docs/choice100/023_adjust-poker.md
@@ -1,4 +1,4 @@
-# 286 整理扑克牌
+# 023 整理扑克牌
 
 ## 题目描述
 
diff --git a/docs/choice100/287_seat-assignment.md b/docs/choice100/024_seat-assignment.md
similarity index 98%
rename from docs/choice100/287_seat-assignment.md
rename to docs/choice100/024_seat-assignment.md
index 78a96a1..25a130c 100644
--- a/docs/choice100/287_seat-assignment.md
+++ b/docs/choice100/024_seat-assignment.md
@@ -1,4 +1,4 @@
-# 287 新员工座位安排系统
+# 024 新员工座位安排系统
 
 ## 题目描述
 
diff --git a/docs/choice100/288_choose-location-of-the-new-school.md b/docs/choice100/025_choose-location-of-the-new-school.md
similarity index 98%
rename from docs/choice100/288_choose-location-of-the-new-school.md
rename to docs/choice100/025_choose-location-of-the-new-school.md
index 8784049..9521164 100644
--- a/docs/choice100/288_choose-location-of-the-new-school.md
+++ b/docs/choice100/025_choose-location-of-the-new-school.md
@@ -1,4 +1,4 @@
-# 288 新学校选址
+# 025 新学校选址
 
 ## 题目描述
 
diff --git a/docs/choice100/289_log-collection-system.md b/docs/choice100/026_log-collection-system.md
similarity index 99%
rename from docs/choice100/289_log-collection-system.md
rename to docs/choice100/026_log-collection-system.md
index a4464ed..c92ae00 100644
--- a/docs/choice100/289_log-collection-system.md
+++ b/docs/choice100/026_log-collection-system.md
@@ -1,4 +1,4 @@
-# 289 日志采集系统
+# 026 日志采集系统
 
 ## 题目描述
 
diff --git a/docs/choice100/290_star-basketball-competition.md b/docs/choice100/027_star-basketball-competition.md
similarity index 98%
rename from docs/choice100/290_star-basketball-competition.md
rename to docs/choice100/027_star-basketball-competition.md
index 3c79fae..2c98210 100644
--- a/docs/choice100/290_star-basketball-competition.md
+++ b/docs/choice100/027_star-basketball-competition.md
@@ -1,4 +1,4 @@
-# 290 星际篮球争霸赛
+# 027 星际篮球争霸赛
 
 ## 题目描述
 
diff --git a/docs/choice100/291_maximum-number-of-substrings-extracted.md b/docs/choice100/028_maximum-number-of-substrings-extracted.md
similarity index 99%
rename from docs/choice100/291_maximum-number-of-substrings-extracted.md
rename to docs/choice100/028_maximum-number-of-substrings-extracted.md
index 7be2e65..40a9958 100644
--- a/docs/choice100/291_maximum-number-of-substrings-extracted.md
+++ b/docs/choice100/028_maximum-number-of-substrings-extracted.md
@@ -1,4 +1,4 @@
-# 291 最多提取子串数目
+# 028 最多提取子串数目
 
 ## 题目描述
 
diff --git a/docs/choice100/292_max-salary.md b/docs/choice100/029_max-salary.md
similarity index 99%
rename from docs/choice100/292_max-salary.md
rename to docs/choice100/029_max-salary.md
index 7f50494..1dfb5d6 100644
--- a/docs/choice100/292_max-salary.md
+++ b/docs/choice100/029_max-salary.md
@@ -1,4 +1,4 @@
-# 292 最大报酬
+# 029 最大报酬
 
 ## 题目描述
 
diff --git a/docs/choice100/293_minimum-applicator-energy-efficiency.md b/docs/choice100/030_minimum-applicator-energy-efficiency.md
similarity index 98%
rename from docs/choice100/293_minimum-applicator-energy-efficiency.md
rename to docs/choice100/030_minimum-applicator-energy-efficiency.md
index 9d24728..7999142 100644
--- a/docs/choice100/293_minimum-applicator-energy-efficiency.md
+++ b/docs/choice100/030_minimum-applicator-energy-efficiency.md
@@ -1,4 +1,4 @@
-# 293 最小施肥机能效
+# 030 最小施肥机能效
 
 ## 题目描述
 
diff --git a/docs/choice100/294_leftmost-redundant-overlay-substring.md b/docs/choice100/031_leftmost-redundant-overlay-substring.md
similarity index 98%
rename from docs/choice100/294_leftmost-redundant-overlay-substring.md
rename to docs/choice100/031_leftmost-redundant-overlay-substring.md
index 4f3fdfe..9b360dd 100644
--- a/docs/choice100/294_leftmost-redundant-overlay-substring.md
+++ b/docs/choice100/031_leftmost-redundant-overlay-substring.md
@@ -1,4 +1,4 @@
-# 294 最左侧冗余覆盖子串
+# 031 最左侧冗余覆盖子串
 
 ## 题目描述
 
diff --git a/docs/choice100/295_min-board-length.md b/docs/choice100/032_min-board-length.md
similarity index 98%
rename from docs/choice100/295_min-board-length.md
rename to docs/choice100/032_min-board-length.md
index 14acf3e..bdb7e4d 100644
--- a/docs/choice100/295_min-board-length.md
+++ b/docs/choice100/032_min-board-length.md
@@ -1,4 +1,4 @@
-# 295 最短木板长度
+# 032 最短木板长度
 
 ## 题目描述
 
diff --git a/docs/choice100/296_Find-Charging-Device-Combinations.md b/docs/choice100/033_find-charging-device-combinations.md
similarity index 98%
rename from docs/choice100/296_Find-Charging-Device-Combinations.md
rename to docs/choice100/033_find-charging-device-combinations.md
index 9f8d350..269bd8e 100644
--- a/docs/choice100/296_Find-Charging-Device-Combinations.md
+++ b/docs/choice100/033_find-charging-device-combinations.md
@@ -1,4 +1,4 @@
-# 296 查找充电设备组合
+# 033 查找充电设备组合
 
 ## 题目描述
 
diff --git a/docs/choice100/297_finds-a-single-entry-free-area.md b/docs/choice100/034_finds-a-single-entry-free-area.md
similarity index 99%
rename from docs/choice100/297_finds-a-single-entry-free-area.md
rename to docs/choice100/034_finds-a-single-entry-free-area.md
index c877bd6..5232bce 100644
--- a/docs/choice100/297_finds-a-single-entry-free-area.md
+++ b/docs/choice100/034_finds-a-single-entry-free-area.md
@@ -1,4 +1,4 @@
-# 297 查找单入口空闲区域
+# 034 查找单入口空闲区域
 
 ## 题目描述
 给定一个`m*n`的矩阵，由若干字符`X`和`O`构成，`X`表示该处已被占据，`O`表示该处空闲，请找到最大的单入口空闲区域。
diff --git a/docs/choice100/298_specific-double-ended-que.md b/docs/choice100/035_specific-double-ended-que.md
similarity index 98%
rename from docs/choice100/298_specific-double-ended-que.md
rename to docs/choice100/035_specific-double-ended-que.md
index 4206517..1d7986c 100644
--- a/docs/choice100/298_specific-double-ended-que.md
+++ b/docs/choice100/035_specific-double-ended-que.md
@@ -1,4 +1,4 @@
-# 298 特异性双端队列
+# 035 特异性双端队列
 
 ## 题目描述
 
diff --git a/docs/choice100/299_riddles.md b/docs/choice100/036_riddles.md
similarity index 99%
rename from docs/choice100/299_riddles.md
rename to docs/choice100/036_riddles.md
index d80376d..79ed7e7 100644
--- a/docs/choice100/299_riddles.md
+++ b/docs/choice100/036_riddles.md
@@ -1,4 +1,4 @@
-# 299 猜字谜
+# 036 猜字谜
 
 ## 题目描述
 
diff --git a/docs/choice100/300_block-games-with-the-same-number.md b/docs/choice100/037_block-games-with-the-same-number.md
similarity index 98%
rename from docs/choice100/300_block-games-with-the-same-number.md
rename to docs/choice100/037_block-games-with-the-same-number.md
index 4ec50c1..a2fc9f1 100644
--- a/docs/choice100/300_block-games-with-the-same-number.md
+++ b/docs/choice100/037_block-games-with-the-same-number.md
@@ -1,4 +1,4 @@
-# 300 相同数字的积木游戏
+# 037 相同数字的积木游戏
 
 ## 题目描述
 
diff --git a/docs/choice100/301_knowledge-graph-neologism-mining.md b/docs/choice100/038_knowledge-graph-neologism-mining.md
similarity index 98%
rename from docs/choice100/301_knowledge-graph-neologism-mining.md
rename to docs/choice100/038_knowledge-graph-neologism-mining.md
index 6858677..d2318fe 100644
--- a/docs/choice100/301_knowledge-graph-neologism-mining.md
+++ b/docs/choice100/038_knowledge-graph-neologism-mining.md
@@ -1,4 +1,4 @@
-# 301 知识图谱新词挖掘
+# 038 知识图谱新词挖掘
 
 ## 题目描述
 小华负责公司知识图谱产品，现在要通过新词挖掘完善知识图谱。
diff --git a/docs/choice100/302_car-rental-ride-Green-Island.md b/docs/choice100/039_car-rental-ride-Green-Island.md
similarity index 98%
rename from docs/choice100/302_car-rental-ride-Green-Island.md
rename to docs/choice100/039_car-rental-ride-Green-Island.md
index 2d884b8..4dd411c 100644
--- a/docs/choice100/302_car-rental-ride-Green-Island.md
+++ b/docs/choice100/039_car-rental-ride-Green-Island.md
@@ -1,4 +1,4 @@
-# 302 租车骑绿岛
+# 039 租车骑绿岛
 
 ## 题目描述
 
diff --git a/docs/choice100/303_port-merging.md b/docs/choice100/040_port-merging.md
similarity index 99%
rename from docs/choice100/303_port-merging.md
rename to docs/choice100/040_port-merging.md
index 1708971..34ffe23 100644
--- a/docs/choice100/303_port-merging.md
+++ b/docs/choice100/040_port-merging.md
@@ -1,4 +1,4 @@
-# 303 端口合并
+# 040 端口合并
 
 ## 题目描述
 
diff --git a/docs/choice100/304_the-boxes-are-arranged-in-a-zigzag-pattern.md b/docs/choice100/041_the-boxes-are-arranged-in-a-zigzag-pattern.md
similarity index 96%
rename from docs/choice100/304_the-boxes-are-arranged-in-a-zigzag-pattern.md
rename to docs/choice100/041_the-boxes-are-arranged-in-a-zigzag-pattern.md
index 024ff5e..51f3ef3 100644
--- a/docs/choice100/304_the-boxes-are-arranged-in-a-zigzag-pattern.md
+++ b/docs/choice100/041_the-boxes-are-arranged-in-a-zigzag-pattern.md
@@ -1,4 +1,4 @@
-# 304 箱子之字形摆放
+# 041 箱子之字形摆放
 
 ## 题目描述
 
@@ -6,7 +6,7 @@
 
 例如：箱子ABCDEFG，空地宽度为3，摆放结果如图：
 
-![之字形摆放](images/304-001-zigzag.png)
+![之字形摆放](images/041-001-zigzag.png)
 
 则输出结果为：
 ```text
diff --git a/docs/choice100/305_Online-mall-promotions-1.md b/docs/choice100/042_Online-mall-promotions-1.md
similarity index 99%
rename from docs/choice100/305_Online-mall-promotions-1.md
rename to docs/choice100/042_Online-mall-promotions-1.md
index 8f41e1f..43fc6bf 100644
--- a/docs/choice100/305_Online-mall-promotions-1.md
+++ b/docs/choice100/042_Online-mall-promotions-1.md
@@ -1,4 +1,4 @@
-# 305 网上商城优惠活动（一）
+# 042 网上商城优惠活动（一）
 
 ## 题目描述
 
diff --git a/docs/choice100/306_automatic-exposure.md b/docs/choice100/043_automatic-exposure.md
similarity index 99%
rename from docs/choice100/306_automatic-exposure.md
rename to docs/choice100/043_automatic-exposure.md
index 4aef944..52bc99d 100644
--- a/docs/choice100/306_automatic-exposure.md
+++ b/docs/choice100/043_automatic-exposure.md
@@ -1,4 +1,4 @@
-# 306 自动曝光
+# 043 自动曝光
 
 ## 题目描述
 
diff --git a/docs/choice100/307_obtain-the-maximum-software-version-number.md b/docs/choice100/044_obtain-the-maximum-software-version-number.md
similarity index 99%
rename from docs/choice100/307_obtain-the-maximum-software-version-number.md
rename to docs/choice100/044_obtain-the-maximum-software-version-number.md
index ed9cf53..0a20f48 100644
--- a/docs/choice100/307_obtain-the-maximum-software-version-number.md
+++ b/docs/choice100/044_obtain-the-maximum-software-version-number.md
@@ -1,4 +1,4 @@
-# 307 获取最大软件版本号
+# 044 获取最大软件版本号
 
 ## 题目描述
 
diff --git a/docs/choice100/308_get-the-perfect-position.md b/docs/choice100/045_get-the-perfect-position.md
similarity index 99%
rename from docs/choice100/308_get-the-perfect-position.md
rename to docs/choice100/045_get-the-perfect-position.md
index 95b4910..563846b 100644
--- a/docs/choice100/308_get-the-perfect-position.md
+++ b/docs/choice100/045_get-the-perfect-position.md
@@ -1,4 +1,4 @@
-# 308 获得完美走位
+# 045 获得完美走位
 
 ## 题目描述
 
diff --git a/docs/choice100/309_currency-unit-conversion.md b/docs/choice100/046_currency-unit-conversion.md
similarity index 99%
rename from docs/choice100/309_currency-unit-conversion.md
rename to docs/choice100/046_currency-unit-conversion.md
index 7eb0268..8eabd7e 100644
--- a/docs/choice100/309_currency-unit-conversion.md
+++ b/docs/choice100/046_currency-unit-conversion.md
@@ -1,4 +1,4 @@
-# 309 货币单位换算
+# 046 货币单位换算
 
 ## 题目描述
 
diff --git a/docs/choice100/310_greedy-businessmen-maximum-profit.md b/docs/choice100/047_greedy-businessmen-maximum-profit.md
similarity index 99%
rename from docs/choice100/310_greedy-businessmen-maximum-profit.md
rename to docs/choice100/047_greedy-businessmen-maximum-profit.md
index 3ba8138..9d27e93 100644
--- a/docs/choice100/310_greedy-businessmen-maximum-profit.md
+++ b/docs/choice100/047_greedy-businessmen-maximum-profit.md
@@ -1,4 +1,4 @@
-# 310 贪心的商人、最大利润
+# 047 贪心的商人、最大利润
 
 ## 题目描述
 
diff --git a/docs/choice100/311_bit-error-rate.md b/docs/choice100/048_bit-error-rate.md
similarity index 99%
rename from docs/choice100/311_bit-error-rate.md
rename to docs/choice100/048_bit-error-rate.md
index 2f0be11..0fb5763 100644
--- a/docs/choice100/311_bit-error-rate.md
+++ b/docs/choice100/048_bit-error-rate.md
@@ -1,4 +1,4 @@
-# 311 通信误码
+# 048 通信误码
 
 ## 题目描述
 
diff --git a/docs/choice100/312_static-scanning-optimal-cost.md b/docs/choice100/049_static-scanning-optimal-cost.md
similarity index 98%
rename from docs/choice100/312_static-scanning-optimal-cost.md
rename to docs/choice100/049_static-scanning-optimal-cost.md
index 148c380..6902be3 100644
--- a/docs/choice100/312_static-scanning-optimal-cost.md
+++ b/docs/choice100/049_static-scanning-optimal-cost.md
@@ -1,4 +1,4 @@
-# 312 静态扫描最优成本
+# 049 静态扫描最优成本
 
 ## 题目描述
 
diff --git a/docs/choice100/313_hotel-reservation.md b/docs/choice100/050_hotel-reservation.md
similarity index 99%
rename from docs/choice100/313_hotel-reservation.md
rename to docs/choice100/050_hotel-reservation.md
index 2d954f7..929daba 100644
--- a/docs/choice100/313_hotel-reservation.md
+++ b/docs/choice100/050_hotel-reservation.md
@@ -1,4 +1,4 @@
-# 313 预订酒店
+# 050 预订酒店
 
 ## 题目描述
 
diff --git a/docs/choice100/images/304-001-zigzag.png b/docs/choice100/images/041-001-zigzag.png
similarity index 100%
rename from docs/choice100/images/304-001-zigzag.png
rename to docs/choice100/images/041-001-zigzag.png