diff --git a/config/index.ts b/config/index.ts
index a2055fd85471c3185c5d317aa20fa8f391572b6d..2ff00e64d81f935d7ac21957247da239d468fe3d 100644
--- a/config/index.ts
+++ b/config/index.ts
@@ -8,19 +8,19 @@ export const appLanguage = [
   '英文',
   '中文',
   'GitHub'
-];
+]
 
 export const webpLanguage = [
   'EN',
   'CN',
   'Git'
-];
+]
 
 // 如果没有请赋值空字符串
-export const git = 'https://github.com/xjh22222228/nav';
+export const git = 'https://github.com/xjh22222228/nav'
 
 // 网站底部描述, 可以是 HTML
-export const FOOTER_DESC = '';
+export const FOOTER_DESC = ''
 
 // http://www.nav3.cn/#/index?q=grabient
 export const BACKGROUND_LINEAR = [
@@ -50,4 +50,4 @@ export const BACKGROUND_LINEAR = [
   'linear-gradient(45deg, #FA8BFF 0%, #2BD2FF 52%, #2BFF88 90%)',
   'linear-gradient(90deg, #74EBD5 0%, #9FACE6 100%)',
   'linear-gradient(160deg, #0093E9 0%, #80D0C7 100%)'
-];
+]
diff --git a/data/blog.ts b/data/blog/index.ts
similarity index 99%
rename from data/blog.ts
rename to data/blog/index.ts
index 3a51117aa51fdca2e2c2e28d6aec63545e9062bf..ddf4f39e57740ada849aa438637b918001181ab0 100644
--- a/data/blog.ts
+++ b/data/blog/index.ts
@@ -74,4 +74,4 @@ const nav = {
   ]
 };
 
-export default nav;
+export default nav
diff --git a/data/community/index.ts b/data/community/index.ts
index 4a8420b379f99349fb075140e8caecc2242174e0..37478ed33cfa395027c6282e9da9d8ecc8e5b784 100644
--- a/data/community/index.ts
+++ b/data/community/index.ts
@@ -5,4 +5,4 @@ export default {
   nav: [
     developer
   ]
-}
\ No newline at end of file
+}
diff --git a/data/designer.ts b/data/design/index.ts
similarity index 99%
rename from data/designer.ts
rename to data/design/index.ts
index 63cd8ca218ff29d49eef6e08993dd107e411b4e0..8eaaacf14acf3bb50a5a61e4d97501d4e52f884b 100644
--- a/data/designer.ts
+++ b/data/design/index.ts
@@ -168,4 +168,4 @@ const nav = {
   ]
 };
 
-export default nav;
+export default nav
diff --git a/data/index.ts b/data/index.ts
index 742cb99b19d8f483101d27e385bd98fa5cce6385..4c557db38b06024e371ada5596f596d4532c6aac 100644
--- a/data/index.ts
+++ b/data/index.ts
@@ -1,15 +1,15 @@
-import frontend from './frontend';
-import node from './node';
-import flutter from './flutter';
-import python from './python';
-import go from './go';
-import utilityTool from './utilityTool';
-import study from './study';
-import security from './security';
-import designer from './designer';
-import blog from './blog';
-import operation from './operation';
-import community from './community';
+import frontend from './frontend'
+import node from './node'
+import flutter from './flutter'
+import python from './python'
+import go from './go'
+import utilityTool from './utilityTool'
+import study from './study'
+import security from './security'
+import design from './design'
+import blog from './blog'
+import operation from './operation'
+import community from './community'
 
 export default [
   utilityTool,
@@ -19,9 +19,9 @@ export default [
   python,
   go,
   community,
-  designer,
+  design,
   study,
   security,
   operation,
   blog,
-];
+]
diff --git a/data/operation.ts b/data/operation/index.ts
similarity index 100%
rename from data/operation.ts
rename to data/operation/index.ts
diff --git a/data/python/official.ts b/data/python/official.ts
index e74e95a992a241ea227abdd993dba70021d46113..2d484107f2c6e6e614c16355e618ae93e864bc49 100644
--- a/data/python/official.ts
+++ b/data/python/official.ts
@@ -1,9 +1,12 @@
 
+const DEFAULT_ICON = 'https://www.python.org/static/favicon.ico'
+
 export default {
   title: '生态系统',
   nav: [
     {
       subtitle: '官方',
+      icon: DEFAULT_ICON,
       nav: [
         {
           icon: 'https://www.python.org/static/favicon.ico',
diff --git a/data/python/package.ts b/data/python/package.ts
index 29f7074e14e53c4aafb6a431f06aa26b7427261a..4636c4400540b2c59f753d90d681ed8d96e6f02b 100644
--- a/data/python/package.ts
+++ b/data/python/package.ts
@@ -1,7 +1,11 @@
+
+const DEFAULT_ICON = 'https://www.python.org/static/favicon.ico'
+
 export default {
   title: '依赖包',
   nav: [
     {
+      icon: DEFAULT_ICON,
       subtitle: 'HTTP',
       nav: [
         {
@@ -41,9 +45,10 @@ export default {
     },
     {
       subtitle: '图像',
+      icon: DEFAULT_ICON,
       nav: [
         {
-          icon: 'https://avatars3.githubusercontent.com/u/2036701?s=200&v=4',
+          icon: null,
           name: 'Pillow',
           desc: '友好的PIL前叉，是一个出色的图像处理库',
           link: 'https://python-pillow.org/',
@@ -54,6 +59,18 @@ export default {
           ]
         },
       ]
+    },
+    {
+      subtitle: 'CLI',
+      icon: DEFAULT_ICON,
+      nav: [
+        {
+          icon: null,
+          name: 'Fire',
+          desc: 'Python Fire是一个用于从绝对任何Python对象自动生成命令行界面（CLI）的库。',
+          link: 'https://github.com/google/python-fire',
+        },
+      ]
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/data/python/reference.ts b/data/python/reference.ts
index 13d0c4770719acf63540e7ee650c28ef6480da1a..520555795206036650d197a195ee657bb8c1d829 100644
--- a/data/python/reference.ts
+++ b/data/python/reference.ts
@@ -1,12 +1,15 @@
 
+const DEFAULT_ICON = 'https://www.python.org/static/favicon.ico'
+
 export default {
   title: '参考资料',
   nav: [
     {
       subtitle: '书籍',
+      icon: DEFAULT_ICON,
       nav: [
         {
-          icon: 'https://www.python.org/static/favicon.ico',
+          icon: null,
           name: '简明 Python 教程',
           desc: '旨在于介绍如何使用 Python 语言进行编程的自由图书。它以教材与指南的形式为入门者介绍 Python 语言。如果你对电脑知识的了解仅限于如何保存文本文件的话，那这本书就是为你准备的。',
           link: 'https://bop.mol.uno/',
@@ -15,33 +18,34 @@ export default {
     },
     {
       subtitle: '文档资料',
+      icon: DEFAULT_ICON,
       nav: [
         {
-          icon: 'https://www.python.org/static/favicon.ico',
+          icon: null,
           name: '100天从新手到大师',
           desc: 'Python - 100天从新手到大师',
           link: 'https://github.com/jackfrued/Python-100-Days',
         },
         {
-          icon: 'https://www.python.org/static/favicon.ico',
+          icon: null,
           name: 'Python 入门指南',
           desc: 'Python 入门指南',
           link: 'https://python666.cn/cls/lesson/list/',
         },
         {
-          icon: 'https://www.python.org/static/favicon.ico',
+          icon: null,
           name: 'What the f*ck Python!',
           desc: '一些有趣且鲜为人知的 Python 特性.',
           link: 'https://github.com/satwikkansal/wtfpython',
         },
         {
-          icon: 'https://www.python.org/static/favicon.ico',
+          icon: null,
           name: 'awesome-python-cn',
           desc: 'Python 资源大全中文版',
           link: 'https://github.com/jobbole/awesome-python-cn',
         },
         {
-          icon: 'https://www.python.org/static/favicon.ico',
+          icon: null,
           name: 'cheatsheet',
           desc: 'Python大全备忘单',
           link: 'https://github.com/gto76/python-cheatsheet',
diff --git a/data/security.ts b/data/security/index.ts
similarity index 99%
rename from data/security.ts
rename to data/security/index.ts
index 7892b04300f861fd7e6dd329f25c76b770ec0523..b22d1714f385a22bcf09aec3da2d12ce6bd65f99 100644
--- a/data/security.ts
+++ b/data/security/index.ts
@@ -191,4 +191,4 @@ const nav = {
   ]
 };
 
-export default nav;
+export default nav