From fdee933ca4bb35df53c4f72340c8773fe952c35c Mon Sep 17 00:00:00 2001
From: shanmite <shanmite@hotmail.com>
Date: Thu, 29 Jul 2021 22:38:32 +0800
Subject: [PATCH] =?UTF-8?q?pref:=20=E5=AF=B9=E5=B0=86=E8=A6=81=E8=BD=AC?=
 =?UTF-8?q?=E5=8F=91=E7=9A=84=E5=8A=A8=E6=80=81=E6=B4=97=E7=89=8C=E4=B9=B1?=
 =?UTF-8?q?=E5=BA=8F=20=E9=98=B2=E6=AD=A2=E8=A2=AB=E7=9C=8B=E5=87=BA?=
 =?UTF-8?q?=E6=98=AF=E6=8A=BD=E5=A5=96=E5=8F=B7?=
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---
 lib/Monitor.js |  2 +-
 lib/Util.js    | 18 ++++++++++++++++++
 main.js        |  2 +-
 3 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/lib/Monitor.js b/lib/Monitor.js
index f57fa78..d78ead0 100644
--- a/lib/Monitor.js
+++ b/lib/Monitor.js
@@ -89,7 +89,7 @@ class Monitor extends Public {
         log.info('筛选动态', `筛选完毕(${len})`);
 
         if (len) {
-            for (const Lottery of allLottery) {
+            for (const Lottery of Util.shuffle(allLottery)) {
                 let status = 0;
                 if (Lottery.isOfficialLottery) {
                     let { ts } = await BiliAPI.getLotteryNotice(Lottery.dyid);
diff --git a/lib/Util.js b/lib/Util.js
index 419814c..f1f2183 100644
--- a/lib/Util.js
+++ b/lib/Util.js
@@ -115,6 +115,24 @@ const Util = {
         }
         return RandomOne
     },
+    /**
+     * Fisher–Yates shuffle洗牌
+     * @template T
+     * @param {Array<T>} array
+     * @return {Array<T>}
+     */
+    shuffle(array) {
+        for (let i = array.length - 1; i > 0; i--) {
+            const j = Math.floor(Math.random() * (i + 1));
+            [array[i], array[j]] = [array[j], array[i]];
+        }
+        return array;
+    },
+    /**
+     * 是否有指定环境变量
+     * @param {string} env_name
+     * @returns 
+     */
     hasEnv(env_name) {
         return process.env[env_name] ? true : false;
     },
diff --git a/main.js b/main.js
index bbee2bc..210547b 100644
--- a/main.js
+++ b/main.js
@@ -10,7 +10,7 @@ const metainfo = [
     `                                __/ |                  | |        `,
     `                               |___/                   |_|        `,
     `                                                                  `,
-    `                                              v1.9.9   by shanmite`,
+    `                                              v2.0.0   by shanmite`,
 ]
 /**多账号存储 */
 let multiple_account = [];