diff --git a/lib/core/searcher.js b/lib/core/searcher.js
index d0b7575..b490f6f 100644
--- a/lib/core/searcher.js
+++ b/lib/core/searcher.js
@@ -186,6 +186,12 @@ function modifyDynamicRes(res) {
         log.warn('处理动态数据', '未找到任何动态信息')
     }
 
+    if (typeof has_more === "undefined"
+        && typeof offset === "undefined") {
+        log.error('处理动态数据', '该功能已失效');
+        return null;
+    }
+
     const
         /**
          * 字符串offset防止损失精度
@@ -353,6 +359,8 @@ class Searcher {
      * @returns {Promise<LotteryInfo[] | null>}
      */
     async getLotteryInfoByTag(tag_name) {
+        log.info('获取动态', `开始获取带话题#${tag_name}#的动态信息`);
+
         const
             tag_id = await bili.getTagIDByTagName(tag_name),
             hotdy = await bili.getHotDynamicInfoByTagID(tag_id),
@@ -360,7 +368,6 @@ class Searcher {
 
         if (modDR === null) return null;
 
-        log.info('获取动态', `开始获取带话题#${tag_name}#的动态信息`);
         log.info('获取动态', '成功获取热门动态');
 
         /**