diff --git a/lib/core/searcher.js b/lib/core/searcher.js
index a3242e782..e64b98808 100644
--- a/lib/core/searcher.js
+++ b/lib/core/searcher.js
@@ -582,7 +582,7 @@ class Searcher {
             }
             const
                 content = (await bili.getOneArticleByCv(id) || '').split('推荐文章')[0],
-                dyids = content.match(/[0-9]{18}/g) || [],
+                dyids = content.match(/[0-9]{18,}/g) || [],
                 short_ids = content.match(/(?<=b23.tv\/)[a-zA-Z0-9]{7}/g) || [],
                 short_id_set = [...new Set(short_ids)],
                 short_ids_to_dyids = await Promise.all(short_id_set.map(bili.shortDynamicIdToDyid)),
@@ -599,38 +599,34 @@ class Searcher {
 
             /**遍历某专栏中的dyids */
             for (const dyid of dyid_set) {
-                if (typeof dyid === 'string'
-                    && dyid.length === utils.dyid_length) {
+                log.info('获取动态', `查看专栏中所提及动态(${dyid}) (${length--})`);
+                const card = await bili.getOneDynamicByDyid(dyid);
 
-                    log.info('获取动态', `查看专栏中所提及动态(${dyid}) (${length--})`);
-                    const card = await bili.getOneDynamicByDyid(dyid);
+                if (card) {
+                    await utils.delay(get_dynamic_detail_wait);
 
-                    if (card) {
-                        await utils.delay(get_dynamic_detail_wait);
-
-                        const parsed_card = parseDynamicCard(card)
-                            , { is_liked } = parsed_card;
-
-                        if (
-                            ((!check_if_duplicated || check_if_duplicated >= 2)
-                                && is_liked)
-                            || ((check_if_duplicated >= 1)
-                                && await d_storage.searchDyid(dyid))
-                        ) {
-                            log.info('获取动态', `动态(${dyid})已转发过`);
-                            _weight += 1;
-                        }
+                    const parsed_card = parseDynamicCard(card)
+                        , { is_liked } = parsed_card;
 
-                        if (_weight >= weight && !not_check_article) {
-                            log.warn('获取动态', '1/2动态曾经转过,该专栏或已查看,故中止');
-                            _dyinfos = [];
-                            break;
-                        }
+                    if (
+                        ((!check_if_duplicated || check_if_duplicated >= 2)
+                            && is_liked)
+                        || ((check_if_duplicated >= 1)
+                            && await d_storage.searchDyid(dyid))
+                    ) {
+                        log.info('获取动态', `动态(${dyid})已转发过`);
+                        _weight += 1;
+                    }
 
-                        _dyinfos.push(parsed_card);
+                    if (_weight >= weight && !not_check_article) {
+                        log.warn('获取动态', '1/2动态曾经转过,该专栏或已查看,故中止');
+                        _dyinfos = [];
+                        break;
                     }
+
+                    _dyinfos.push(parsed_card);
                 } else {
-                    log.warn('获取动态', `动态(${dyid})无效 (${length--})`);
+                    log.warn('获取动态', `动态细节获取失败(${dyid})`);
                 }
             }
             dyinfos.push(..._dyinfos);
@@ -751,33 +747,30 @@ class Searcher {
             dyinfos = [];
 
         for (const dyid of dyids) {
-            if (typeof dyid === 'string'
-                && dyid.length === utils.dyid_length) {
-
-                log.info('获取动态', `查看Txt中所提及动态(${dyid}) (${length--})`);
-                const card = await bili.getOneDynamicByDyid(dyid);
-
-                if (card) {
-                    await utils.delay(get_dynamic_detail_wait);
-
-                    const parsed_card = parseDynamicCard(card)
-                        , { is_liked } = parsed_card;
-
-                    if (
-                        ((!check_if_duplicated || check_if_duplicated >= 2)
-                            && is_liked)
-                        || ((check_if_duplicated >= 1)
-                            && await d_storage.searchDyid(dyid))
-                    ) {
-                        log.info('获取动态', `动态(${dyid})已转发过`);
-                        continue;
-                    }
-
-                    dyinfos.push(parsed_card);
+            log.info('获取动态', `查看Txt中所提及动态(${dyid}) (${length--})`);
+            const card = await bili.getOneDynamicByDyid(dyid);
+
+            if (card) {
+                await utils.delay(get_dynamic_detail_wait);
+
+                const parsed_card = parseDynamicCard(card)
+                    , { is_liked } = parsed_card;
+
+                if (
+                    ((!check_if_duplicated || check_if_duplicated >= 2)
+                        && is_liked)
+                    || ((check_if_duplicated >= 1)
+                        && await d_storage.searchDyid(dyid))
+                ) {
+                    log.info('获取动态', `动态(${dyid})已转发过`);
+                    continue;
                 }
+
+                dyinfos.push(parsed_card);
             } else {
-                log.warn('获取动态', `动态(${dyid})无效 (${length--})`);
+                log.warn('获取动态', `动态细节获取失败(${dyid})`);
             }
+
         }
         const fomatdata = dyinfos.map(o => {
             return {
diff --git a/lib/helper/d_storage.js b/lib/helper/d_storage.js
index 46c54faf1..3f308ed3b 100644
--- a/lib/helper/d_storage.js
+++ b/lib/helper/d_storage.js
@@ -1,4 +1,4 @@
-const { log, readDyidFile, writeDyidFile, dyid_length } = require('../utils');
+const { log, readDyidFile, writeDyidFile } = require('../utils');
 
 const d_storage = {
     /**
@@ -6,24 +6,35 @@ const d_storage = {
      * @param {string} dyid
      * @returns {Promise<boolean>}
      */
-    searchDyid: (dyid) => {
-        return new Promise((resolve) => {
-            const Rdyid = new RegExp(dyid);
-            const rs = readDyidFile(Number(process.env.NUMBER));
-            let status = false;
-            rs.on('data', chunk => {
-                if (Rdyid.test(chunk)) {
-                    status = true;
-                }
-            });
-            rs.on('end', () => {
-                resolve(status);
-            });
-            rs.on('error', err => {
-                log.error('搜索dyid', err);
-                resolve(status);
-            });
-        });
+    searchDyid: async (dyid) => {
+        let buffer = '';
+        let found = false;
+
+        const stream = readDyidFile(Number(process.env.NUMBER));
+
+        for await (const chunk of stream) {
+            buffer += chunk;
+
+            while ((buffer.indexOf(dyid)) !== -1) {
+                found = true;
+                stream.destroy();
+                return found;
+            }
+
+            const lastCommaIdx = buffer.lastIndexOf(',');
+            if (lastCommaIdx !== -1) {
+                buffer = buffer.slice(lastCommaIdx);
+            }
+        }
+
+        if (!found && buffer.length > 0) {
+            if (buffer.includes(dyid)) {
+                found = true;
+            }
+        }
+
+        stream.destroy();
+        return found;
     },
     /**
      * 更新dyid
@@ -31,9 +42,6 @@ const d_storage = {
      */
     updateDyid: (dyid) => {
         log.info('更新dyid', `写入${dyid}`);
-        if (dyid.length !== dyid_length) {
-            log.error('更新dyid', `dyid(${dyid})长度不为18 若出现此问题请即时通知开发者`);
-        }
         return new Promise((resolve) => {
             const ws = writeDyidFile(Number(process.env.NUMBER));
             ws.write(dyid + ',', () => {
diff --git a/lib/net/bili.js b/lib/net/bili.js
index 47ee6fd1d..0cc02a53b 100644
--- a/lib/net/bili.js
+++ b/lib/net/bili.js
@@ -407,7 +407,7 @@ const bili_client = {
                 redirect: false,
             }
         }).then(a => {
-            const dyid = (a.match(/[0-9]{18}/) || [])[0];
+            const dyid = (a.match(/[0-9]{18,}/) || [])[0];
             log.info('短连接转换', `${short_id} -> ${dyid}`);
             return dyid;
         });
diff --git a/lib/utils.js b/lib/utils.js
index 9baad5212..c82f856ba 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -19,8 +19,6 @@ const utils = {
     lottery_info_dir: path.join(process.cwd(), 'lottery_info'),
     /**本地抽奖信息存放目录 */
     lottery_dyids: path.join(process.cwd(), 'lottery_dyids'),
-    /**dyid长度 */
-    dyid_length: 18,
     /**
      * 将版本号转为数字
      * @example
@@ -402,7 +400,7 @@ const utils = {
      */
     readDyidFile(num) {
         const fpath = num < 2 ? path.join(utils.dyids_dir, 'dyid.txt') : path.join(utils.dyids_dir, `dyid${num}.txt`);
-        return fs.createReadStream(fpath, { encoding: 'utf8', highWaterMark: (utils.dyid_length + 1) * 1000 });
+        return fs.createReadStream(fpath, { encoding: 'utf8' });
     },
     /**
      * 追加dyid
diff --git a/test/api.test.js b/test/api.test.js
index 145a02c8b..59f745e69 100644
--- a/test/api.test.js
+++ b/test/api.test.js
@@ -6,7 +6,7 @@ const { parseDynamicCard } = require('../lib/core/searcher');
 (async () => {
     assert.notEqual(await bili_client.getMyinfo(), null);
 
-    await util.par_run([0, 3], [
+    await util.par_run([], [
         // 0
         async () => {
             assert.equal((await bili_client.getTopRcmd()).length, 10);
diff --git a/test/dyidSearch.test.js b/test/dyidSearch.test.js
new file mode 100644
index 000000000..f493c0ac0
--- /dev/null
+++ b/test/dyidSearch.test.js
@@ -0,0 +1,14 @@
+const assert = require('assert');
+const util = require('./util');
+const d_storage = require('../lib/helper/d_storage');
+
+(async () => {
+    await util.par_run([0], [
+        // 0
+        async () => {
+            assert(await d_storage.searchDyid('1234567901234568'));
+            assert(!await d_storage.searchDyid('1234567901234569'));
+        },
+    ]);
+    console.log('dyidSearch.test ... ok!');
+})();
\ No newline at end of file
diff --git a/test/dynamic_card.test.js b/test/dynamic_card.test.js
index 7d37c9bea..010599faf 100644
--- a/test/dynamic_card.test.js
+++ b/test/dynamic_card.test.js
@@ -4,7 +4,7 @@ const searcher = require('../lib/core/searcher');
 const util = require('./util');
 
 (async () => {
-    await util.par_run([0, 1, 2, 3, 4, 5, 6, 7, 8], [
+    await util.par_run([], [
         // 0
         async () => {
             let info = await bili_client.getOneDynamicByDyid('728424890210713624');