diff --git a/composer.lock b/composer.lock
new file mode 100644
index 0000000..3b7c56f
--- /dev/null
+++ b/composer.lock
@@ -0,0 +1,101 @@
+{
+    "_readme": [
+        "This file locks the dependencies of your project to a known state",
+        "Read more about it at https://getcomposer.org/doc/01-basic-usage.md#installing-dependencies",
+        "This file is @generated automatically"
+    ],
+    "content-hash": "a494aaf8542f35f5e8224d157195f306",
+    "packages": [
+        {
+            "name": "ezyang/htmlpurifier",
+            "version": "v4.12.0",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/ezyang/htmlpurifier.git",
+                "reference": "a617e55bc62a87eec73bd456d146d134ad716f03"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/ezyang/htmlpurifier/zipball/a617e55bc62a87eec73bd456d146d134ad716f03",
+                "reference": "a617e55bc62a87eec73bd456d146d134ad716f03",
+                "shasum": ""
+            },
+            "require": {
+                "php": ">=5.2"
+            },
+            "require-dev": {
+                "simpletest/simpletest": "dev-master#72de02a7b80c6bb8864ef9bf66d41d2f58f826bd"
+            },
+            "type": "library",
+            "autoload": {
+                "psr-0": {
+                    "HTMLPurifier": "library/"
+                },
+                "files": [
+                    "library/HTMLPurifier.composer.php"
+                ]
+            },
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "LGPL-2.1-or-later"
+            ],
+            "authors": [
+                {
+                    "name": "Edward Z. Yang",
+                    "email": "admin@htmlpurifier.org",
+                    "homepage": "http://ezyang.com"
+                }
+            ],
+            "description": "Standards compliant HTML filter written in PHP",
+            "homepage": "http://htmlpurifier.org/",
+            "keywords": [
+                "html"
+            ],
+            "time": "2019-10-28T03:44:26+00:00"
+        },
+        {
+            "name": "swoole/ide-helper",
+            "version": "dev-master",
+            "source": {
+                "type": "git",
+                "url": "https://github.com/swoole/ide-helper.git",
+                "reference": "d52d22addfdc877de807cc85e2d8ad8a3b17ad17"
+            },
+            "dist": {
+                "type": "zip",
+                "url": "https://api.github.com/repos/swoole/ide-helper/zipball/d52d22addfdc877de807cc85e2d8ad8a3b17ad17",
+                "reference": "d52d22addfdc877de807cc85e2d8ad8a3b17ad17",
+                "shasum": ""
+            },
+            "require-dev": {
+                "guzzlehttp/guzzle": "~6.5.0",
+                "squizlabs/php_codesniffer": "~3.5.0",
+                "symfony/filesystem": "~4.3.0",
+                "zendframework/zend-code": "~3.3.0"
+            },
+            "type": "library",
+            "notification-url": "https://packagist.org/downloads/",
+            "license": [
+                "Apache-2.0"
+            ],
+            "authors": [
+                {
+                    "name": "Team Swoole",
+                    "email": "team@swoole.com"
+                }
+            ],
+            "description": "IDE help files for Swoole.",
+            "time": "2019-12-30T05:31:26+00:00"
+        }
+    ],
+    "packages-dev": [],
+    "aliases": [],
+    "minimum-stability": "stable",
+    "stability-flags": {
+        "swoole/ide-helper": 20
+    },
+    "prefer-stable": false,
+    "prefer-lowest": false,
+    "platform": [],
+    "platform-dev": []
+}