diff --git a/Runtime/WXTouchInputOverride.cs b/Runtime/WXTouchInputOverride.cs
index ca48d174..da1a91d5 100644
--- a/Runtime/WXTouchInputOverride.cs
+++ b/Runtime/WXTouchInputOverride.cs
@@ -269,4 +269,12 @@ public class WXTouchInputOverride : BaseInput
 
 #endif
 }
+#else
+using UnityEngine;
+using UnityEngine.EventSystems;
+
+[RequireComponent(typeof(StandaloneInputModule))]
+public class WXTouchInputOverride : BaseInput
+{
+}
 #endif