diff --git a/Cargo.lock b/Cargo.lock
index b8a845b5..c672538f 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -906,7 +906,7 @@ dependencies = [
 
 [[package]]
 name = "loro-internal"
-version = "0.1.0"
+version = "0.2.1"
 dependencies = [
  "append-only-bytes",
  "arbitrary",
diff --git a/crates/loro-internal/Cargo.toml b/crates/loro-internal/Cargo.toml
index e4281eb7..a09f4d2b 100644
--- a/crates/loro-internal/Cargo.toml
+++ b/crates/loro-internal/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "loro-internal"
-version = "0.1.0"
+version = "0.2.1"
 edition = "2021"
 license = "MIT"
 description = "Loro internal library. Do not use it directly as it's not stable."
diff --git a/crates/loro/Cargo.toml b/crates/loro/Cargo.toml
index 65f4b992..d9026573 100644
--- a/crates/loro/Cargo.toml
+++ b/crates/loro/Cargo.toml
@@ -12,7 +12,7 @@ keywords = ["crdt", "local-first"]
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-loro-internal = { path = "../loro-internal", version = "0.1.0" }
+loro-internal = { path = "../loro-internal", version = "0.2.1" }
 enum-as-inner = "0.6.0"
 
 [dev-dependencies]
diff --git a/crates/loro/src/lib.rs b/crates/loro/src/lib.rs
index 22af7206..393d80c8 100644
--- a/crates/loro/src/lib.rs
+++ b/crates/loro/src/lib.rs
@@ -502,7 +502,7 @@ impl TreeHandler {
     /// tree.mov(root2, root).unwrap();
     /// ```
     pub fn mov<T: Into<Option<TreeID>>>(&self, target: TreeID, parent: T) -> LoroResult<()> {
-        self.handler.mov(target, parent)
+        self.handler.mov(target, parent.into())
     }
 
     /// Delete a tree node.