diff --git a/AxibugEmuOnline.Client/Assets/Script/UI/RoomUI/RoomItem.cs b/AxibugEmuOnline.Client/Assets/Script/UI/RoomUI/RoomItem.cs
index 94e1c14..9cd7a5c 100644
--- a/AxibugEmuOnline.Client/Assets/Script/UI/RoomUI/RoomItem.cs
+++ b/AxibugEmuOnline.Client/Assets/Script/UI/RoomUI/RoomItem.cs
@@ -49,6 +49,8 @@ namespace AxibugEmuOnline.Client
 
         public override bool OnEnterItem()
         {
+            if (m_romFile == null) return false;
+
             if (!m_romFile.RomReady)
             {
                 m_romFile.BeginDownload();