diff --git a/Plain Craft Launcher 2/Pages/PageDownload/PageDownloadClient.xaml.vb b/Plain Craft Launcher 2/Pages/PageDownload/PageDownloadClient.xaml.vb
index 519b8620..83bb44e0 100644
--- a/Plain Craft Launcher 2/Pages/PageDownload/PageDownloadClient.xaml.vb	
+++ b/Plain Craft Launcher 2/Pages/PageDownload/PageDownloadClient.xaml.vb	
@@ -44,6 +44,14 @@
                                 Version("type") = "special"
                                 Version.Add("lore", GetMcFoolName(Version("id")))
                         End Select
+                        '所有4月1日发布的版本可视为愚人节版，但不改动版本描述
+                        Select Case Version("releaseDate").Value(Of Date).ToString("MM'/'dd")
+                            Case "04/01"
+                                If Not Version("type") == "special" Then
+                                    Type = "愚人节版"
+                                    Version("type") = "special"
+                                End If
+                        End Select
                     Case "special"
                         '已被处理的愚人节版
                         Type = "愚人节版"
diff --git a/Plain Craft Launcher 2/Pages/PageDownload/PageDownloadInstall.xaml.vb b/Plain Craft Launcher 2/Pages/PageDownload/PageDownloadInstall.xaml.vb
index d7ef0bc9..cdbbdc9c 100644
--- a/Plain Craft Launcher 2/Pages/PageDownload/PageDownloadInstall.xaml.vb	
+++ b/Plain Craft Launcher 2/Pages/PageDownload/PageDownloadInstall.xaml.vb	
@@ -555,6 +555,14 @@
                                 Version("type") = "special"
                                 Version.Add("lore", GetMcFoolName(Version("id")))
                         End Select
+                        '所有4月1日发布的版本视为愚人节版，但不改动版本描述
+                        Select Case Version("releaseDate").Value(Of Date).ToString("MM'/'dd")
+                            Case "04/01"
+                                If Not Version("type") == "special" Then
+                                    Type = "愚人节版"
+                                    Version("type") = "special"
+                                End If
+                        End Select
                     Case "special"
                         '已被处理的愚人节版
                         Type = "愚人节版"