diff --git a/devTools/FC.d.ts b/devTools/FC.d.ts
index b1f6443bd8dbc5ca431360ac54cbe6f09d6fba8d..ab9704e07d6cfbc7171c76860b70f7fbb4466a42 100644
--- a/devTools/FC.d.ts
+++ b/devTools/FC.d.ts
@@ -307,3 +307,5 @@ declare namespace App {
 		}
 	}
 }
+
+const V: any;