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 = [];