diff --git a/incremental-cj/runtime/cjpm.toml b/incremental-cj/runtime/cjpm.toml
index 5af23c773ae28a76ffbc6aef4497e36b66161182..1eb7795b1cfabe8354d34ed5a5ef01d7e91f4691 100644
--- a/incremental-cj/runtime/cjpm.toml
+++ b/incremental-cj/runtime/cjpm.toml
@@ -2,7 +2,7 @@
 
 [package]
   cjc-version = "0.53.4"
-  compile-option = "../runtime/CallsiteKey.o" # other apps are also depend on this relative path
+  compile-option = "" # other apps are also depend on this relative path
   description = "Incremental Runtime"
   link-option = ""
   name = "KoalaRuntime"
diff --git a/interop/src/cangjie/Finalizable.cj b/interop/src/cangjie/Finalizable.cj
index 73f7c9f9f2211d0aca2c054b4315f335e26bc2b6..555922042441854b855519bee120ec2bedc93584 100644
--- a/interop/src/cangjie/Finalizable.cj
+++ b/interop/src/cangjie/Finalizable.cj
@@ -22,4 +22,12 @@ public open class Finalizable {
         this.ptr = ptr
         this.finalizer = finalizer
     }
-}
\ No newline at end of file
+}
+
+public abstract class MaterializedBase {
+    public var peer: Option<Finalizable> = Option.None
+
+    public func getPeer(): ?Finalizable {
+        return this.peer
+    }
+}
diff --git a/interop/src/cangjie/InteropTypes.cj b/interop/src/cangjie/InteropTypes.cj
index a4679b852f4c344f0fda2d0f3759fb16e2005ed3..1be75c02185af98b576de76e849257969a471168 100644
--- a/interop/src/cangjie/InteropTypes.cj
+++ b/interop/src/cangjie/InteropTypes.cj
@@ -17,6 +17,7 @@ package Interop
 import std.collection.*
 
 public type KPointer = UInt64
+public type KFloat = Float32
 public type pointer = KPointer
 public type KInt = Int32
 public type KStringPtr = String