diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..d5b2f67
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,9 @@
+*.DS_Store
+/vendor
+sftp-config.json
+/*.php
+/.idea
+/coverage
+/.split
+/composer.lock
+.php_cs.cache
\ No newline at end of file
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..efdca7e
--- /dev/null
+++ b/README.md
@@ -0,0 +1,29 @@
+# baijiayun sdk
+
+公司已经需要在多个项目中使用百家云了，故整理一套sdk。
+
+## Requirement
+- PHP >= 7.0
+- [Composer](https://getcomposer.org/)
+- [guzzlehttp](http://guzzlephp.org/) 扩展
+
+## Installation
+```bash
+$ composer require "jake/baijiayun" -vvv
+```
+
+## Usage
+基本使用
+
+```php
+$bjcloud = new  \Jake\Baijiayun\BJCloud([
+    'partnerId' => '####',
+    'partnerKey' => '####'
+]); 
+$res = $bjcloud->roomCreate('live', time() + 60 * 60, time() + 60 * 60 * 2);
+print_r($res);
+```
+更多文档参考 [百家云直播文档](http://dev.baijiayun.com/wiki/detail/79)
+
+## License
+MIT
\ No newline at end of file
diff --git a/composer.json b/composer.json
new file mode 100644
index 0000000..5d72bb2
--- /dev/null
+++ b/composer.json
@@ -0,0 +1,31 @@
+{
+  "name": "jake/baijiayun",
+  "description": "百家云直播",
+  "type": "library",
+  "license": "MIT",
+  "version": "0.0.1",
+  "authors": [
+    {
+      "name": "Jake zou",
+      "email": "zoulux@126.com"
+    }
+  ],
+  "require": {
+    "php": ">=7.0",
+    "guzzlehttp/guzzle": "^6.2",
+    "ext-json": "*"
+  },
+  "require-dev": {
+    "phpunit/phpunit": "^7.5"
+  },
+  "autoload": {
+    "psr-4": {
+      "Jake\\Baijiayun\\": "src/"
+    }
+  },
+  "autoload-dev": {
+    "psr-4": {
+      "Jake\\Baijiayun\\Tests\\": "tests/"
+    }
+  }
+}
diff --git a/src/BJCloud.php b/src/BJCloud.php
new file mode 100644
index 0000000..e2d4d71
--- /dev/null
+++ b/src/BJCloud.php
@@ -0,0 +1,439 @@
+<?php
+
+namespace Jake\Baijiayun;
+
+use GuzzleHttp\Client;
+
+class  BJCloud
+{
+    private $partnerId;
+
+    private $partnerKey;
+
+    private $domain = 'https://api.baijiacloud.com';
+
+    private $timeout = 10;
+
+    private $httpClient;
+
+    /**
+     * BJCloud constructor.
+     * @param $config
+     */
+    public function __construct($config)
+    {
+        if ($config['partnerId'] ?? null) {
+            $this->partnerId = $config['partnerId'];
+        }
+
+        if ($config['partnerKey'] ?? null) {
+            $this->partnerKey = $config['partnerKey'];
+        }
+
+        if ($config['domain'] ?? null) {
+            $this->domain = $config['domain'];
+        }
+
+        if ($config['timeout'] ?? null) {
+            $this->timeout = $config['timeout'];
+        }
+
+        $this->httpClient = new Client([
+            'base_uri' => $this->domain,
+            'timeout' => $this->timeout,
+        ]);
+    }
+
+
+    /**
+     *
+     * 创建房间
+     * http://dev.baijiayun.com/wiki/detail/79#h6-8
+     * @param string $title 房间标题
+     * @param int $startTime 开课时间 10位时间戳
+     * @param int $endTime 下课时间 10位时间戳
+     * @param array $optionalParams 可选参数
+     * @return array|mixed
+     * @throws BJCloudException
+     */
+    public function roomCreate($title, $startTime, $endTime, $optionalParams = [])
+    {
+        $params = [
+            'title' => $title,
+            'start_time' => $startTime,
+            'end_time' => $endTime,
+        ];
+        return $this->call('/openapi/room/create', array_merge($params, $optionalParams));
+    }
+
+    /**
+     *
+     * 更新房间
+     * http://dev.baijiayun.com/wiki/detail/79#h6-9
+     * @param string|int $roomId 房间id
+     * @param string $title 标题
+     * @param int $startTime
+     * @param int $endTime
+     * @param array $optionalParams
+     * @return array|mixed
+     * @throws BJCloudException
+     */
+    public function roomUpdate($roomId, $title = '', $startTime = 0, $endTime = 0, $optionalParams = [])
+    {
+        $params = [
+            'room_id' => $roomId,
+        ];
+
+        if ($title) {
+            $params['title'] = $title;
+        }
+
+        if ($startTime) {
+            $params['start_time'] = $startTime;
+        }
+
+        if ($endTime) {
+            $params['endTime'] = $endTime;
+        }
+        return $this->call('/openapi/room/update', array_merge($params, $optionalParams));
+    }
+
+    /**
+     * 删除房间
+     * http://dev.baijiayun.com/wiki/detail/79#h6-10
+     * @param string|int $roomId 房间id
+     * @return array|mixed
+     * @throws BJCloudException
+     */
+    public function roomDelete($roomId)
+    {
+        return $this->call('/openapi/room/delete', [
+            'room_id' => $roomId,
+        ]);
+    }
+
+    /**
+     * 获取房间信息
+     * http://dev.baijiayun.com/wiki/detail/79#h6-11
+     * @param string|int $roomId 房间id
+     * @return array|mixed
+     * @throws BJCloudException
+     */
+    public function roomInfo($roomId)
+    {
+        return $this->call('/openapi/room/info', [
+            'room_id' => $roomId,
+        ]);
+    }
+
+    /**
+     * 生成参加码
+     * http://dev.baijiayun.com/wiki/detail/79#h6-12
+     * @param string|int $roomId 房间id
+     * @param int $userNumber 合作方账号体系下的用户ID号，必须是数字
+     * @param null $userAvatar 用户头像，需要完整的url地址
+     * @return array|mixed
+     * @throws BJCloudException
+     */
+    public function roomGetCode($roomId, $userNumber, $userAvatar = null)
+    {
+        $params = [
+            'room_id' => $roomId,
+            'user_number' => $userNumber
+        ];
+
+        if ($userAvatar) {
+            $params['user_avatar'] = $userAvatar;
+        }
+
+        return $this->call('/openapi/room/getcode', $params);
+    }
+
+    /**
+     * 获取用户参加码信息
+     * http://dev.baijiayun.com/wiki/detail/79#h6-13
+     * @param string $code 学生参加码
+     * @return array|mixed
+     * @throws BJCloudException
+     */
+    public function roomGetCodeInfo($code)
+    {
+        return $this->call('/openapi/room/getCodeInfo', [
+            'code' => $code,
+        ]);
+    }
+
+
+    /**
+     * 获取已生成的参加码列表
+     * http://dev.baijiayun.com/wiki/detail/79#h6-14
+     * @param string|int $roomId 房间id
+     * @param array $optionalParams type 0表示普通参加码 1表示试听参加码; page 页数，参加码数量过多时，可以分多页来获取，每页取limit条。默认值为1
+     * @return array|mixed
+     * @throws BJCloudException
+     */
+    public function roomListCode($roomId, $optionalParams = [])
+    {
+        $params = [
+            'room_id' => $roomId,
+        ];
+        return $this->call('/openapi/room/listcode', array_merge($params, $optionalParams));
+    }
+
+    /**
+     *  获取房间列表
+     * http://dev.baijiayun.com/wiki/detail/79#h6-15
+     * @param int $page 页码
+     * @param array $optionalParams 可选参数 limit 每页获取的条数，默认值100，最大值不能超过1000 ; product_type 1:教育直播
+     * @return array|mixed
+     * @throws BJCloudException
+     */
+    public function roomList($page, $optionalParams = [])
+    {
+        $params = [
+            'page' => $page,
+        ];
+        return $this->call('/openapi/room/list', array_merge($params, $optionalParams));
+    }
+
+    /**
+     * 获取直播教室当前上课状态
+     * http://dev.baijiayun.com/wiki/detail/79#h6-21
+     * @param string|int $roomId 房间id
+     * @return array|mixed
+     * @throws BJCloudException
+     */
+    public function liveGetLiveStatus($roomId)
+    {
+        return $this->call('/openapi/live/getLiveStatus', [
+            'room_id' => $roomId,
+        ]);
+    }
+
+    /**
+     * 获取老师是否在教室状态
+     * http://dev.baijiayun.com/wiki/detail/79#h6-22
+     * @param string|int $roomId 房间id
+     * @return array|mixed
+     * @throws BJCloudException
+     */
+    public function liveGetTeacherOnlineStatus($roomId)
+    {
+        return $this->call('/openapi/live/getTeacherOnlineStatus', [
+            'room_id' => $roomId,
+        ]);
+    }
+
+    /**
+     * 获取当前时间教室人数
+     * http://dev.baijiayun.com/wiki/detail/79#h6-23
+     * @param string|int $roomId 房间id
+     * @return array|mixed
+     * @throws BJCloudException
+     */
+    public function liveGetUserCount($roomId)
+    {
+        return $this->call('/openapi/live/getUserCount', [
+            'room_id' => $roomId,
+        ]);
+    }
+
+    /**
+     * 导出教室聊天记录
+     * http://dev.baijiayun.com/wiki/detail/79#h6-24
+     * @param string|int $roomId 房间id
+     * @param string $date 没传递时，长期教室是最近上课的一天，短期教室默认是这次课的所有聊天信息
+     * @return array|mixed
+     * @throws BJCloudException
+     */
+    public function roomDataExportChatMsg($roomId, $date = null)
+    {
+        $params = [
+            'room_id' => $roomId,
+        ];
+
+        if ($date) {
+            $params['date'] = $date;
+        }
+
+        return $this->call('/openapi/room_data/exportChatMsg', $params);
+    }
+
+    /**
+     * 设置教室公告
+     * http://dev.baijiayun.com/wiki/detail/79#h6-25
+     * @param string|int $roomId 房间id
+     * @param string $content 公告信息
+     * @return array|mixed
+     * @throws BJCloudException
+     */
+    public function liveSetNotify($roomId, $content)
+    {
+        $params = [
+            'room_id' => $roomId,
+            'content' => $content,
+        ];
+        return $this->call('/openapi/live/setNotify', $params);
+    }
+
+    /**
+     * 导出直播教室学员观看记录
+     * http://dev.baijiayun.com/wiki/detail/79#h6-26
+     * @param string|int $roomId 房间id
+     * @param array $optionalParams type 可选值 all:所有用户 student:学员 teacher:老师 admin:助教，默认只导出学员观看记录;分页数据;date 查询日期，格式如：2018-03-02
+     *
+     * @return array|mixed
+     * @throws BJCloudException
+     */
+    public function roomDataExportLiveReport($roomId, $optionalParams = [])
+    {
+        $params = [
+            'room_id' => $roomId,
+        ];
+
+        return $this->call('/openapi/room_data/exportLiveReport', array_merge($params, $optionalParams));
+    }
+
+    /**
+     * 停止直播教室的云端录制
+     * http://dev.baijiayun.com/wiki/detail/79#h6-49
+     * @param string|int $roomId 房间id
+     * @return array|mixed
+     * @throws BJCloudException
+     */
+    public function liveStopCloudRecord($roomId)
+    {
+        return $this->call('/openapi/live/stopCloudRecord', [
+            'room_id' => $roomId,
+        ]);
+    }
+
+
+    /**
+     * 直播教室的云端录制生成回放
+     * http://dev.baijiayun.com/wiki/detail/79#h6-50
+     * @param string|int $roomId 房间id
+     * @return array|mixed
+     * @throws BJCloudException
+     */
+    public function liveTransCloudRecord($roomId)
+    {
+        return $this->call('/openapi/live/transCloudRecord', [
+            'room_id' => $roomId,
+        ]);
+    }
+
+    /**
+     * 生成用户试听参加码
+     * http://dev.baijiayun.com/wiki/detail/79#h6-54
+     * @param $roomId
+     * @param $userNumbers
+     * @param string $userAvatar
+     * @param int $auditionLength
+     * @return array|mixed
+     * @throws BJCloudException
+     */
+    public function roomGenAuditionCode($roomId, $userNumbers, $userAvatar = '', $auditionLength = null)
+    {
+        $params = [
+            'room_id' => $roomId,
+            'userNumbers' => $userNumbers,
+        ];
+
+        if ($userAvatar) {
+            $params['user_avatar'] = $userAvatar;
+        }
+
+        if ($auditionLength) {
+            $params['audition_length'] = $auditionLength;
+        }
+
+        return $this->call('/openapi/room/genAuditionCode', $params);
+    }
+
+
+    /**
+     * 设置直播上下课事件回调地址
+     * http://dev.baijiayun.com/wiki/detail/79#h59-60
+     * @param string $url 回调地址
+     * @return array|mixed
+     * @throws BJCloudException
+     */
+    public function liveAccountSetClassCallbackUrl($url)
+    {
+        return $this->call('/openapi/live_account/setClassCallbackUrl', [
+            'url' => $url,
+        ]);
+    }
+
+    /**
+     * 查询直播上下课回调地址
+     * http://dev.baijiayun.com/wiki/detail/79#h59-61
+     * @throws BJCloudException
+     */
+    public function liveAccountGetClassCallbackUrl()
+    {
+        return $this->call('/openapi/live_account/getClassCallbackUrl');
+    }
+
+//==================================================
+//              以下为系统逻辑
+//==================================================
+
+    /**
+     * @param array $params 业务参数
+     * @param string $partner_key 加密salt
+     *
+     * @return string 生成的秘钥
+     */
+    private function generateSign($params, $partner_key)
+    {
+        ksort($params);//将参数按key进行排序
+        $str = '';
+        foreach ($params as $k => $val) {
+            $str .= "{$k}={$val}&"; //拼接成 key1=value1&key2=value2&...&keyN=valueN& 的形式
+        }
+        $str .= "partner_key=" . $partner_key; //结尾再拼上 partner_key=$partner_key
+        return md5($str); //计算md5值
+    }
+
+    /**
+     * 调用API
+     *
+     * @param string $path 调用的API路径
+     * @param array $params API参数
+     * @param string $httpMethod
+     * @param array $files
+     *
+     * @return array|mixed
+     * @throws BJCloudException
+     */
+    private function call($path, $params = [], $httpMethod = 'POST', $files = [])
+    {
+        $sysParams = [];
+        $sysParams['partner_id'] = trim($this->partnerId);
+        $sysParams['timestamp'] = time();
+        $sysParams['sign'] = $this->generateSign(array_merge($sysParams, $params), $this->partnerKey);
+
+        $request = null;
+
+        if ('GET' == $httpMethod) {
+
+        } elseif ('POST' == $httpMethod) {
+            $requestParam = array_merge($sysParams, $params);
+
+            $request = $this->httpClient->post($path, [
+                'form_params' => $requestParam,
+            ]);
+        }
+        $content = $request->getBody()->getContents();
+        $response = json_decode($content, true);
+
+        if ($response['code'] !== 0) {
+            throw new BJCloudException($response['msg'], $response['code']);
+        }
+        return $response['data'];
+    }
+
+
+}
\ No newline at end of file
diff --git a/src/BJCloudException.php b/src/BJCloudException.php
new file mode 100644
index 0000000..965c7eb
--- /dev/null
+++ b/src/BJCloudException.php
@@ -0,0 +1,10 @@
+<?php
+
+namespace Jake\Baijiayun;
+
+use Exception;
+
+class BJCloudException extends Exception
+{
+
+}
\ No newline at end of file
diff --git a/tests/TestCase.php b/tests/TestCase.php
new file mode 100644
index 0000000..1c0cf5a
--- /dev/null
+++ b/tests/TestCase.php
@@ -0,0 +1,26 @@
+<?php
+
+namespace Jake\Baijiayun\Tests;
+
+
+use PHPUnit\Framework\TestCase as BaseTestCase;
+
+
+class TestCase extends BaseTestCase
+{
+
+    public function testRoomCreate()
+    {
+        $bjcloud = new  \Jake\Baijiayun\BJCloud([
+            'partnerId' => '####',
+            'partnerKey' => '####'
+        ]);
+        $res = $bjcloud->roomCreate('live', time() + 60 * 60, time() + 60 * 60 * 2);
+
+        $this->assertArrayHasKey('room_id', $res);
+        $this->assertArrayHasKey('student_code', $res);
+        $this->assertArrayHasKey('admin_code', $res);
+        $this->assertArrayHasKey('teacher_code', $res);
+    }
+
+}