diff --git a/appcast.xml b/appcast.xml
index fa6efcbee..27d6d2f20 100755
--- a/appcast.xml
+++ b/appcast.xml
@@ -3,16 +3,6 @@
   <channel>
     <title>Easydict</title>
 
-    <item>
-      <title>2.4.0</title>
-      <pubDate>Sun, 10 Dec 2023 19:30:00 +0800</pubDate>
-      <sparkle:version>29</sparkle:version>
-      <sparkle:shortVersionString>2.4.0</sparkle:shortVersionString>
-      <sparkle:minimumSystemVersion>11.0</sparkle:minimumSystemVersion>
-      <sparkle:releaseNotesLink>https://github.com/tisfeng/easydict/releases/tag/2.3.0</sparkle:releaseNotesLink>
-      <enclosure url="https://github.com/tisfeng/Easydict/releases/download/2.3.0/Easydict.zip" type="application/octet-stream" sparkle:edSignature="yjrKEXjTfKqC1YdJvPIIGK7G27jd4aK2CJ4j/ZqbaZBUC2hQyyKvgC1CPuuWOrk274Oz/N53L2G/aXHXt7H1CQ==" length="11153425" />
-    </item>
-
     <item>
       <title>2.3.0</title>
       <pubDate>Sun, 10 Dec 2023 19:30:00 +0800</pubDate>