diff --git a/.gitignore b/.gitignore
index 5ea6c58..3d3b07f 100755
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
 .config.php
 .db.key.php
 cache/
+node_modules/
diff --git a/makeCache.js b/makeCache.js
index b017383..5644bef 100644
--- a/makeCache.js
+++ b/makeCache.js
@@ -49,6 +49,7 @@ var getVideoInfo = (fName, conf, item) => {
    o['name'] = getVideoName(arr, conf);
    o['danmakuID'] = md5(item+o.no).substring(0, 8); 
    o['url'] = 'https://onedrive.yimian.xyz/video/' + item + '/' + fName;
+   o['extra'] = ['https://yimian-video.obs.cn-east-2.myhuaweicloud.com/' + item + '/' + fName];
 
    return o;
 }
diff --git a/package-lock.json b/package-lock.json
index 43ed132..48e341a 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,36 +1,3 @@
 {
-  "requires": true,
-  "lockfileVersion": 1,
-  "dependencies": {
-    "charenc": {
-      "version": "0.0.2",
-      "resolved": "https://registry.npmjs.org/charenc/-/charenc-0.0.2.tgz",
-      "integrity": "sha1-wKHS86cJLgN3S/qD8UwPxXkKhmc="
-    },
-    "crypt": {
-      "version": "0.0.2",
-      "resolved": "https://registry.npmjs.org/crypt/-/crypt-0.0.2.tgz",
-      "integrity": "sha1-iNf/fsDfuG9xPch7u0LQRNPmxBs="
-    },
-    "fs": {
-      "version": "0.0.1-security",
-      "resolved": "https://registry.npmjs.org/fs/-/fs-0.0.1-security.tgz",
-      "integrity": "sha1-invTcYa23d84E/I4WLV+yq9eQdQ="
-    },
-    "is-buffer": {
-      "version": "1.1.6",
-      "resolved": "https://registry.npmjs.org/is-buffer/-/is-buffer-1.1.6.tgz",
-      "integrity": "sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w=="
-    },
-    "md5": {
-      "version": "2.2.1",
-      "resolved": "https://registry.npmjs.org/md5/-/md5-2.2.1.tgz",
-      "integrity": "sha1-U6s41f48iJG6RlMp6iP6wFQBJvk=",
-      "requires": {
-        "charenc": "~0.0.1",
-        "crypt": "~0.0.1",
-        "is-buffer": "~1.1.1"
-      }
-    }
-  }
+  "lockfileVersion": 1
 }
diff --git a/package.json b/package.json
new file mode 100644
index 0000000..1b2a49d
--- /dev/null
+++ b/package.json
@@ -0,0 +1,5 @@
+{
+  "dependencies": {
+    "md5": "^2.2.1"
+  }
+}
diff --git a/yarn.lock b/yarn.lock
new file mode 100644
index 0000000..e5fdca0
--- /dev/null
+++ b/yarn.lock
@@ -0,0 +1,27 @@
+# THIS IS AN AUTOGENERATED FILE. DO NOT EDIT THIS FILE DIRECTLY.
+# yarn lockfile v1
+
+
+charenc@~0.0.1:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/charenc/-/charenc-0.0.2.tgz#c0a1d2f3a7092e03774bfa83f14c0fc5790a8667"
+  integrity sha1-wKHS86cJLgN3S/qD8UwPxXkKhmc=
+
+crypt@~0.0.1:
+  version "0.0.2"
+  resolved "https://registry.yarnpkg.com/crypt/-/crypt-0.0.2.tgz#88d7ff7ec0dfb86f713dc87bbb42d044d3e6c41b"
+  integrity sha1-iNf/fsDfuG9xPch7u0LQRNPmxBs=
+
+is-buffer@~1.1.1:
+  version "1.1.6"
+  resolved "https://registry.yarnpkg.com/is-buffer/-/is-buffer-1.1.6.tgz#efaa2ea9daa0d7ab2ea13a97b2b8ad51fefbe8be"
+  integrity sha512-NcdALwpXkTm5Zvvbk7owOUSvVvBKDgKP5/ewfXEznmQFfs4ZRmanOeKBTjRVjka3QFoN6XJ+9F3USqfHqTaU5w==
+
+md5@^2.2.1:
+  version "2.2.1"
+  resolved "https://registry.yarnpkg.com/md5/-/md5-2.2.1.tgz#53ab38d5fe3c8891ba465329ea23fac0540126f9"
+  integrity sha1-U6s41f48iJG6RlMp6iP6wFQBJvk=
+  dependencies:
+    charenc "~0.0.1"
+    crypt "~0.0.1"
+    is-buffer "~1.1.1"