diff --git a/.eslintrc.js b/.eslintrc.js
index eac5ab4..09095df 100644
--- a/.eslintrc.js
+++ b/.eslintrc.js
@@ -1,144 +1,138 @@
 module.exports = {
-  parser: '@typescript-eslint/parser',
-  parserOptions: {
-    project: 'tsconfig.json',
-    tsconfigRootDir: __dirname,
-    ecmaVersion: 'latest',
-    sourceType: 'module',
-  },
-  root: true,
-  env: {
-    node: true,
-    jest: true,
-  },
-  plugins: [
-    '@typescript-eslint',
-    'jest',
-    'prettier',
-    'import',
-    'unused-imports',
-  ],
-  extends: [
-    // airbnb规范
-    // https://github.com/airbnb/javascript/tree/master/packages/eslint-config-airbnb
-    'airbnb-base',
-    // 兼容typescript的airbnb规范
-    // https://github.com/iamturns/eslint-config-airbnb-typescript
-    'airbnb-typescript/base',
+    parser: '@typescript-eslint/parser',
+    parserOptions: {
+        project: 'tsconfig.json',
+        tsconfigRootDir: __dirname,
+        ecmaVersion: 'latest',
+        sourceType: 'module',
+    },
+    root: true,
+    env: {
+        node: true,
+        jest: true,
+    },
+    plugins: ['@typescript-eslint', 'jest', 'prettier', 'import', 'unused-imports'],
+    extends: [
+        // airbnb规范
+        // https://github.com/airbnb/javascript/tree/master/packages/eslint-config-airbnb
+        'airbnb-base',
+        // 兼容typescript的airbnb规范
+        // https://github.com/iamturns/eslint-config-airbnb-typescript
+        'airbnb-typescript/base',
 
-    // typescript的eslint插件
-    // https://github.com/typescript-eslint/typescript-eslint/blob/master/docs/getting-started/linting/README.md
-    // https://github.com/typescript-eslint/typescript-eslint/tree/master/packages/eslint-plugin
-    'plugin:@typescript-eslint/recommended',
-    'plugin:@typescript-eslint/recommended-requiring-type-checking',
+        // typescript的eslint插件
+        // https://github.com/typescript-eslint/typescript-eslint/blob/master/docs/getting-started/linting/README.md
+        // https://github.com/typescript-eslint/typescript-eslint/tree/master/packages/eslint-plugin
+        'plugin:@typescript-eslint/recommended',
+        'plugin:@typescript-eslint/recommended-requiring-type-checking',
 
-    // 支持jest
-    'plugin:jest/recommended',
-    // 使用prettier格式化代码
-    // https://github.com/prettier/eslint-config-prettier#readme
-    'prettier',
-    // 整合typescript-eslint与prettier
-    // https://github.com/prettier/eslint-plugin-prettier
-    'plugin:prettier/recommended',
-  ],
-  rules: {
-    /* ********************************** ES6+ ********************************** */
-    'no-console': 0,
-    'no-var-requires': 0,
-    'no-restricted-syntax': 0,
-    'no-continue': 0,
-    'no-await-in-loop': 0,
-    'no-return-await': 0,
-    'no-unused-vars': 0,
-    'no-multi-assign': 0,
-    'no-param-reassign': [2, { props: false }],
-    'import/prefer-default-export': 0,
-    'import/no-cycle': 0,
-    'import/no-dynamic-require': 0,
-    'max-classes-per-file': 0,
-    'class-methods-use-this': 0,
-    'guard-for-in': 0,
-    'no-underscore-dangle': 0,
-    'no-plusplus': 0,
-    'no-lonely-if': 0,
-    'no-bitwise': ['error', { allow: ['~'] }],
+        // 支持jest
+        'plugin:jest/recommended',
+        // 使用prettier格式化代码
+        // https://github.com/prettier/eslint-config-prettier#readme
+        'prettier',
+        // 整合typescript-eslint与prettier
+        // https://github.com/prettier/eslint-plugin-prettier
+        'plugin:prettier/recommended',
+    ],
+    rules: {
+        /* ********************************** ES6+ ********************************** */
+        'no-console': 0,
+        'no-var-requires': 0,
+        'no-restricted-syntax': 0,
+        'no-continue': 0,
+        'no-await-in-loop': 0,
+        'no-return-await': 0,
+        'no-unused-vars': 0,
+        'no-multi-assign': 0,
+        'no-param-reassign': [2, { props: false }],
+        'import/prefer-default-export': 0,
+        'import/no-cycle': 0,
+        'import/no-dynamic-require': 0,
+        'max-classes-per-file': 0,
+        'class-methods-use-this': 0,
+        'guard-for-in': 0,
+        'no-underscore-dangle': 0,
+        'no-plusplus': 0,
+        'no-lonely-if': 0,
+        'no-bitwise': ['error', { allow: ['~'] }],
 
-    /* ********************************** Module Import ********************************** */
+        /* ********************************** Module Import ********************************** */
 
-    'import/no-absolute-path': 0,
-    'import/extensions': 0,
-    'import/no-named-default': 0,
-    'no-restricted-exports': 0,
+        'import/no-absolute-path': 0,
+        'import/extensions': 0,
+        'import/no-named-default': 0,
+        'no-restricted-exports': 0,
 
-    // 一部分文件在导入devDependencies的依赖时不报错
-    'import/no-extraneous-dependencies': [
-      1,
-      {
-        devDependencies: [
-          '**/*.test.{ts,js}',
-          '**/*.spec.{ts,js}',
-          './test/**.{ts,js}',
-          './scripts/**/*.{ts,js}',
+        // 一部分文件在导入devDependencies的依赖时不报错
+        'import/no-extraneous-dependencies': [
+            1,
+            {
+                devDependencies: [
+                    '**/*.test.{ts,js}',
+                    '**/*.spec.{ts,js}',
+                    './test/**.{ts,js}',
+                    './scripts/**/*.{ts,js}',
+                ],
+            },
         ],
-      },
-    ],
-    // 模块导入顺序规则
-    'import/order': [
-      1,
-      {
-        pathGroups: [
-          {
-            pattern: '@/**',
-            group: 'external',
-            position: 'after',
-          },
+        // 模块导入顺序规则
+        'import/order': [
+            1,
+            {
+                pathGroups: [
+                    {
+                        pattern: '@/**',
+                        group: 'external',
+                        position: 'after',
+                    },
+                ],
+                alphabetize: { order: 'asc', caseInsensitive: false },
+                'newlines-between': 'always-and-inside-groups',
+                warnOnUnassignedImports: true,
+            },
         ],
-        alphabetize: { order: 'asc', caseInsensitive: false },
-        'newlines-between': 'always-and-inside-groups',
-        warnOnUnassignedImports: true,
-      },
-    ],
-    // 自动删除未使用的导入
-    // https://github.com/sweepline/eslint-plugin-unused-imports
-    'unused-imports/no-unused-imports': 1,
-    'unused-imports/no-unused-vars': [
-      'error',
-      {
-        vars: 'all',
-        args: 'none',
-        ignoreRestSiblings: true,
-      },
-    ],
-    /* ********************************** Typescript ********************************** */
-    '@typescript-eslint/no-unused-vars': 0,
-    '@typescript-eslint/no-empty-interface': 0,
-    '@typescript-eslint/no-this-alias': 0,
-    '@typescript-eslint/no-var-requires': 0,
-    '@typescript-eslint/no-use-before-define': 0,
-    '@typescript-eslint/explicit-member-accessibility': 0,
-    '@typescript-eslint/no-non-null-assertion': 0,
-    '@typescript-eslint/no-unnecessary-type-assertion': 0,
-    '@typescript-eslint/require-await': 0,
-    '@typescript-eslint/no-for-in-array': 0,
-    '@typescript-eslint/interface-name-prefix': 0,
-    '@typescript-eslint/explicit-function-return-type': 0,
-    '@typescript-eslint/no-explicit-any': 0,
-    '@typescript-eslint/explicit-module-boundary-types': 0,
-    '@typescript-eslint/no-floating-promises': 0,
-    '@typescript-eslint/restrict-template-expressions': 0,
-    '@typescript-eslint/no-unsafe-assignment': 0,
-    '@typescript-eslint/no-unsafe-return': 0,
-    '@typescript-eslint/no-unused-expressions': 0,
-    '@typescript-eslint/no-misused-promises': 0,
-    '@typescript-eslint/no-unsafe-member-access': 0,
-    '@typescript-eslint/no-unsafe-call': 0,
-    '@typescript-eslint/no-unsafe-argument': 0,
-    '@typescript-eslint/ban-ts-comment': 0,
-    '@typescript-eslint/lines-between-class-members': 0,
-    '@typescript-eslint/no-throw-literal': 0,
-  },
+        // 自动删除未使用的导入
+        // https://github.com/sweepline/eslint-plugin-unused-imports
+        'unused-imports/no-unused-imports': 1,
+        'unused-imports/no-unused-vars': [
+            'warn',
+            {
+                vars: 'all',
+                args: 'none',
+                ignoreRestSiblings: true,
+            },
+        ],
+        /* ********************************** Typescript ********************************** */
+        '@typescript-eslint/no-unused-vars': 0,
+        '@typescript-eslint/no-empty-interface': 0,
+        '@typescript-eslint/no-this-alias': 0,
+        '@typescript-eslint/no-var-requires': 0,
+        '@typescript-eslint/no-use-before-define': 0,
+        '@typescript-eslint/explicit-member-accessibility': 0,
+        '@typescript-eslint/no-non-null-assertion': 0,
+        '@typescript-eslint/no-unnecessary-type-assertion': 0,
+        '@typescript-eslint/require-await': 0,
+        '@typescript-eslint/no-for-in-array': 0,
+        '@typescript-eslint/interface-name-prefix': 0,
+        '@typescript-eslint/explicit-function-return-type': 0,
+        '@typescript-eslint/no-explicit-any': 0,
+        '@typescript-eslint/explicit-module-boundary-types': 0,
+        '@typescript-eslint/no-floating-promises': 0,
+        '@typescript-eslint/restrict-template-expressions': 0,
+        '@typescript-eslint/no-unsafe-assignment': 0,
+        '@typescript-eslint/no-unsafe-return': 0,
+        '@typescript-eslint/no-unused-expressions': 0,
+        '@typescript-eslint/no-misused-promises': 0,
+        '@typescript-eslint/no-unsafe-member-access': 0,
+        '@typescript-eslint/no-unsafe-call': 0,
+        '@typescript-eslint/no-unsafe-argument': 0,
+        '@typescript-eslint/ban-ts-comment': 0,
+        '@typescript-eslint/lines-between-class-members': 0,
+        '@typescript-eslint/no-throw-literal': 0,
+    },
 
-  settings: {
-    extensions: ['.ts', '.d.ts', '.cts', '.mts', '.js', '.cjs', 'mjs', '.json'],
-  },
+    settings: {
+        extensions: ['.ts', '.d.ts', '.cts', '.mts', '.js', '.cjs', 'mjs', '.json'],
+    },
 };
diff --git a/src/main.ts b/src/main.ts
index 2c3453a..0a1a17a 100644
--- a/src/main.ts
+++ b/src/main.ts
@@ -1,8 +1,9 @@
 import { NestFactory } from '@nestjs/core';
 
-import { AppModule } from './app.module';
 import { FastifyAdapter, NestFastifyApplication } from '@nestjs/platform-fastify';
 
+import { AppModule } from './app.module';
+
 async function bootstrap() {
     const app = await NestFactory.create<NestFastifyApplication>(AppModule, new FastifyAdapter(), {
         cors: true,
diff --git a/src/modules/content/controllers/post.controller.ts b/src/modules/content/controllers/post.controller.ts
index 22ebbd7..d1f7fa6 100644
--- a/src/modules/content/controllers/post.controller.ts
+++ b/src/modules/content/controllers/post.controller.ts
@@ -1,8 +1,19 @@
-import { Controller, Get } from '@nestjs/common';
+import {
+    Body,
+    Controller,
+    Delete,
+    Get,
+    NotFoundException,
+    Param,
+    Patch,
+    Post,
+} from '@nestjs/common';
+
+import { isNil } from '@nestjs/common/utils/shared.utils';
 
 import { PostEntity } from '../types';
 
-const posts: PostEntity[] = [
+let posts: PostEntity[] = [
     { title: '第一篇文章标题', body: '第一篇文章内容' },
     { title: '第二篇文章标题', body: '第二篇文章内容' },
     { title: '第三篇文章标题', body: '第三篇文章内容' },
@@ -17,4 +28,45 @@ export class PostController {
     async index() {
         return posts;
     }
+
+    @Get(':id')
+    async show(@Param('id') id: number) {
+        const post = posts.find((item) => item.id === Number(id));
+        if (isNil(post)) {
+            throw new NotFoundException(`the post with id ${id} not exits!`);
+        }
+        return post;
+    }
+
+    @Post()
+    async store(@Body() data: PostEntity) {
+        const newPost: PostEntity = {
+            id: Math.max(...posts.map(({ id }) => id + 1)),
+            ...data,
+        };
+        posts.push(newPost);
+        return newPost;
+    }
+
+    @Patch()
+    async update(@Body() data: PostEntity) {
+        let toUpdate = posts.find((item) => item.id === Number(data.id));
+        if (isNil(toUpdate)) {
+            throw new NotFoundException(`the post with id ${data.id} not exits!`);
+        }
+
+        toUpdate = { ...toUpdate, ...data };
+        posts = posts.map((item) => (item.id === Number(data.id) ? toUpdate : item));
+        return toUpdate;
+    }
+
+    @Delete(':id')
+    async delete(@Param('id') id: number) {
+        const toDelete = posts.find((item) => item.id === Number(id));
+        if (isNil(toDelete)) {
+            throw new NotFoundException(`the post with id ${id} not exits!`);
+        }
+        posts = posts.filter((item) => item.id !== Number(id));
+        return toDelete;
+    }
 }