diff --git a/README.md b/README.md
index ef72b4a1..ad1eaaac 100644
--- a/README.md
+++ b/README.md
@@ -335,6 +335,10 @@ PS: **ARM平台** 请使用全量版 同时 **如果你的机器 RAM < 1G 可能
 
 ## 更新
 
+### 2023/12/28
+
+* 修复B站动态获取失败的时候，会发送空消息
+
 ### 2023/9/6
 
 * 修正b站订阅
diff --git a/plugins/bilibili_sub/__init__.py b/plugins/bilibili_sub/__init__.py
index c71c3223..34879661 100755
--- a/plugins/bilibili_sub/__init__.py
+++ b/plugins/bilibili_sub/__init__.py
@@ -278,7 +278,7 @@ async def send_sub_msg(rst: str, sub: BilibiliSub, bot: Bot):
     :param bot: Bot
     """
     temp_group = []
-    if rst:
+    if rst and rst.strip():
         for x in sub.sub_users.split(",")[:-1]:
             try:
                 if ":" in x and x.split(":")[1] not in temp_group: