diff --git a/.editorconfig b/.editorconfig
new file mode 100644
index 0000000..df55cd7
--- /dev/null
+++ b/.editorconfig
@@ -0,0 +1,20 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 4
+end_of_line = lf
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = false
+
+[*.{vue,js,scss}]
+charset = utf-8
+indent_style = space
+indent_size = 2
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+trim_trailing_whitespace = false
\ No newline at end of file
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..9af3157
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,11 @@
+* text=auto
+
+/tests export-ignore
+.gitattributes export-ignore
+.gitignore export-ignore
+.scrutinizer.yml export-ignore
+.travis.yml export-ignore
+phpunit.php export-ignore
+phpunit.xml.dist export-ignore
+phpunit.xml export-ignore
+.php_cs export-ignore
diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..497c4e2
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,8 @@
+.idea
+*.DS_Store
+/vendor
+/coverage
+sftp-config.json
+composer.lock
+.subsplit
+.php_cs.cache
diff --git a/.php_cs b/.php_cs
new file mode 100644
index 0000000..5627ca6
--- /dev/null
+++ b/.php_cs
@@ -0,0 +1,27 @@
+<?php
+$header = <<<EOF
+This file is part of the tim168/data-dict.
+
+(c) TIM168 <784699571@qq.com>
+
+This source file is subject to the MIT license that is bundled.
+EOF;
+
+return PhpCsFixer\Config::create()
+    ->setRiskyAllowed(true)
+    ->setRules(array(
+        '@Symfony' => true,
+        'header_comment' => array('header' => $header),
+        'array_syntax' => array('syntax' => 'short'),
+        'ordered_imports' => true,
+        'no_useless_else' => true,
+        'no_useless_return' => true,
+        'php_unit_construct' => true,
+        'php_unit_strict' => true,
+    ))
+    ->setFinder(
+        PhpCsFixer\Finder::create()
+            ->exclude('vendor')
+            ->in(__DIR__)
+    )
+;
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..75303d5
--- /dev/null
+++ b/README.md
@@ -0,0 +1,28 @@
+<h1 align="center"> data-dict </h1>
+
+<p align="center"> A plug-in that generates a data dictionary.</p>
+
+
+## Installing
+
+```shell
+$ composer require tim168/data-dict -vvv
+```
+
+## Usage
+
+TODO
+
+## Contributing
+
+You can contribute in one of three ways:
+
+1. File bug reports using the [issue tracker](https://github.com/tim168/data-dict/issues).
+2. Answer questions or fix bugs on the [issue tracker](https://github.com/tim168/data-dict/issues).
+3. Contribute new features or update the wiki.
+
+_The code contribution process is not very formal. You just need to make sure that you follow the PSR-0, PSR-1, and PSR-2 coding guidelines. Any new code contributions must be accompanied by unit tests where applicable._
+
+## License
+
+MIT
\ No newline at end of file
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..a39e44e
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,21 @@
+{
+    "name": "tim168\/data-dict",
+    "description": "A plug-in that generates a data dictionary",
+    "license": "MIT",
+    "authors": [
+        {
+            "name": "TIM168",
+            "email": "784699571@qq.com"
+        }
+    ],
+    "require": {
+        "ext-mysqli": "*",
+        "phpunit/phpunit": "^8.5",
+        "mockery/mockery": "^1.3"
+    },
+    "autoload": {
+        "psr-4": {
+            "Tim168\\DataDict\\": "src"
+        }
+    }
+}
diff --git a/phpunit.xml.dist b/phpunit.xml.dist
new file mode 100644
index 0000000..e47284c
--- /dev/null
+++ b/phpunit.xml.dist
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<phpunit backupGlobals="false"
+         backupStaticAttributes="false"
+         bootstrap="vendor/autoload.php"
+         colors="true"
+         convertErrorsToExceptions="true"
+         convertNoticesToExceptions="true"
+         convertWarningsToExceptions="true"
+         processIsolation="false"
+         stopOnFailure="false">
+    <testsuites>
+        <testsuite name="Application Test Suite">
+            <directory>./tests/</directory>
+        </testsuite>
+    </testsuites>
+    <filter>
+        <whitelist>
+            <directory suffix=".php">src/</directory>
+        </whitelist>
+    </filter>
+</phpunit>
diff --git a/src/.gitkeep b/src/.gitkeep
new file mode 100644
index 0000000..e69de29
diff --git a/src/Data/Draw.php b/src/Data/Draw.php
new file mode 100644
index 0000000..d8f76a6
--- /dev/null
+++ b/src/Data/Draw.php
@@ -0,0 +1,62 @@
+<?php
+
+namespace Tim168\DataDict\Data;
+
+class Draw
+{
+    public function dataToHtml($tables)
+    {
+        if (!empty($tables)) {
+            $html = '';
+            foreach ($tables as $k => $v) {
+                $html .= '<table border="1" cellspacing="0" cellpadding="0" align="center">';
+                $html .= '<caption>' . $v['TABLE_NAME'] . ' ' . $v['TABLE_COMMENT'] . '</caption>';
+                $html .= '<tbody><tr><th>字段名</th><th>数据类型</th><th>默认值</th>  
+                    <th>允许非空</th>  
+                    <th>自动递增</th><th>备注</th></tr>';
+                $html .= '';
+                foreach ($v['COLUMN'] as $f) {
+                    $html .= '<tr><td class="c1">' . $f['COLUMN_NAME'] . '</td>';
+                    $html .= '<td class="c2">' . $f['COLUMN_TYPE'] . '</td>';
+                    $html .= '<td class="c3"> ' . $f['COLUMN_DEFAULT'] . '</td>';
+                    $html .= '<td class="c4"> ' . $f['IS_NULLABLE'] . '</td>';
+                    $html .= '<td class="c5">' . ($f['EXTRA'] == 'auto_increment' ? '是' : ' ') . '</td>';
+                    $html .= '<td class="c6"> ' . $f['COLUMN_COMMENT'] . '</td>';
+                    $html .= '</tr>';
+                }
+                $html .= '</tbody></table></p>';
+            }
+            return $html;
+        } else {
+            return false;
+        }
+    }
+
+    public function ToHtml($title, $html)
+    {
+        $content = '<html>  
+                    <head>  
+                    <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />  
+                    <title>' . $title . '</title>  
+                    <style>  
+                    body,td,th {font-family:"宋体"; font-size:12px;}  
+                    table{border-collapse:collapse;border:1px solid #CCC;background:#efefef;}  
+                    table caption{text-align:left; background-color:#fff; line-height:2em; font-size:14px; font-weight:bold; }  
+                    table th{text-align:left; font-weight:bold;height:26px; line-height:26px; font-size:12px; border:1px solid #CCC;}  
+                    table td{height:20px; font-size:12px; border:1px solid #CCC;background-color:#fff;}  
+                    .c1{ width: 120px;}  
+                    .c2{ width: 120px;}  
+                    .c3{ width: 70px;}  
+                    .c4{ width: 80px;}  
+                    .c5{ width: 80px;}  
+                    .c6{ width: 270px;}  
+                    </style>  
+                    </head>  
+                    <body>
+                    <h1 style="text-align:center;">' . $title . '</h1>
+                    ' . $html . ' 
+                    </body></html>';
+
+        return $content;
+    }
+}
\ No newline at end of file
diff --git a/src/Data/Fetch.php b/src/Data/Fetch.php
new file mode 100644
index 0000000..ea3b8ee
--- /dev/null
+++ b/src/Data/Fetch.php
@@ -0,0 +1,53 @@
+<?php
+
+namespace Tim168\DataDict\Data;
+
+use Tim168\DataDict\Exceptions\MysqlErrorException;
+
+class Fetch
+{
+    public function __construct()
+    {
+    }
+
+    public function conn($dbHost, $dbUserName, $dbPassWord, $dbName, $dbPort)
+    {
+        try {
+            $mysqlConn = mysqli_connect($dbHost, $dbUserName, $dbPassWord, '', $dbPort);
+            mysqli_select_db($mysqlConn, $dbName);
+            mysqli_query($mysqlConn, 'set names utf8');
+            $tableResult = mysqli_query($mysqlConn, 'show tables');
+            while ($row = mysqli_fetch_array($tableResult)) {
+                $tables[]['TABLE_NAME'] = $row[0];
+            }
+            if (!empty($tables)) {
+                foreach ($tables as $k => $v) {
+                    $sql = 'SELECT * FROM ';
+                    $sql .= 'INFORMATION_SCHEMA.TABLES ';
+                    $sql .= 'WHERE ';
+                    $sql .= "table_name = '{$v['TABLE_NAME']}' AND table_schema = '{$dbName}'";
+                    $tableResult = mysqli_query($mysqlConn, $sql);
+                    while ($t = mysqli_fetch_array($tableResult)) {
+                        $tables[$k]['TABLE_COMMENT'] = $t['TABLE_COMMENT'];
+                    }
+                    $sql = 'SELECT * FROM ';
+                    $sql .= 'INFORMATION_SCHEMA.COLUMNS ';
+                    $sql .= 'WHERE ';
+                    $sql .= "table_name = '{$v['TABLE_NAME']}' AND table_schema = '{$dbName}'";
+                    $fields = array();
+                    $fieldsResult = mysqli_query($mysqlConn, $sql);
+                    while ($t = mysqli_fetch_array($fieldsResult)) {
+                        $fields[] = $t;
+                    }
+                    $tables[$k]['COLUMN'] = $fields;
+                }
+                return $tables;
+            }
+            return false;
+        } catch (\Exception $e) {
+            throw new MysqlErrorException($e->getMessage(), $e->getCode(), $e);
+        } finally {
+            if (!empty($mysqlConn)) mysqli_close($mysqlConn);
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/DataDict.php b/src/DataDict.php
new file mode 100644
index 0000000..874f79b
--- /dev/null
+++ b/src/DataDict.php
@@ -0,0 +1,39 @@
+<?php
+
+namespace Tim168\DataDict;
+
+use Tim168\DataDict\Data\Draw;
+use Tim168\DataDict\Data\Fetch;
+
+class DataDict
+{
+    public $dbHost;
+    public $dbUserName;
+    public $dbPassWord;
+    public $dbName;
+    public $dbPort;
+    public $title = '数据字典';
+
+    public function __construct($dbHost, $dbUserName, $dbPassWord, $dbName, $dbPort)
+    {
+        $this->dbHost = $dbHost;
+        $this->dbUserName = $dbUserName;
+        $this->dbPassWord = $dbPassWord;
+        $this->dbName = $dbName;
+        $this->dbPort = $dbPort;
+    }
+
+    public function get()
+    {
+        $fetch = new Fetch();
+        $tables = $fetch->conn($this->dbHost, $this->dbUserName, $this->dbPassWord, $this->dbName, $this->dbPort);
+        var_dump($tables);
+        exit();
+        if (!empty($tables)) {
+            $draw = new Draw();
+            $html = $draw->dataToHtml($tables);
+            $content = $draw->ToHtml($this->title, $html);
+            return $content;
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/Exceptions/MysqlErrorException.php b/src/Exceptions/MysqlErrorException.php
new file mode 100644
index 0000000..71cf67c
--- /dev/null
+++ b/src/Exceptions/MysqlErrorException.php
@@ -0,0 +1,8 @@
+<?php
+
+namespace Tim168\DataDict\Exceptions;
+
+class MysqlErrorException extends \Exception
+{
+
+}
\ No newline at end of file
diff --git a/tests/.gitkeep b/tests/.gitkeep
new file mode 100644
index 0000000..e69de29