diff --git a/filter.txt b/filter.txt
index e4dc6e3..d39b9fb 100644
--- a/filter.txt
+++ b/filter.txt
@@ -296,6 +296,7 @@ yzzk.com##.content div.promo
 ! 知乎
 zhihu.com##div[class="Modal-wrapper undefined Modal-enter-done"]
 zhihu.com#$#html { overflow: scroll !important; }
+zhihu.com##div[class^=css-]:empty
 
 ! 詐騙
 ||brainstudy.info^