diff --git a/crates/oxide_builtins/src/proxy.rs b/crates/oxide_builtins/src/proxy.rs
index 070db8d4..566c5425 100644
--- a/crates/oxide_builtins/src/proxy.rs
+++ b/crates/oxide_builtins/src/proxy.rs
@@ -82,10 +82,7 @@ fn proxy_create_invariants<H: VmHost>(
 ) -> Result<(), JsValue> {
     // target 可调用且不可扩展：函数代理的不变量无法满足，抛 TypeError。
     if crate::iterator::is_callable(target) && !target_obj.is_extensible() {
-        return Err(crate::error::create_type_error(
-            vm,
-            "Proxy target must be extensible if it is callable",
-        ));
+        return Err(crate::error::create_type_error(vm, "Proxy target must be extensible if it is callable"));
     }
     // isExtensible trap：handler 报 true 时 target 须可扩展，报 false 时须不可扩展。
     let si_is_extensible = vm.perm_intern("isExtensible");
diff --git a/crates/oxide_vm/src/proxy.rs b/crates/oxide_vm/src/proxy.rs
index 7ebaca96..85f53409 100644
--- a/crates/oxide_vm/src/proxy.rs
+++ b/crates/oxide_vm/src/proxy.rs
@@ -85,16 +85,10 @@ pub(crate) fn call_trap(
     // trap 值须可调用（规范 Call 语义）：非可调用抛 TypeError 而非落入
     // call_function_sync 的通用「accessor is not callable」文本（kind 丢失）。
     if !trap_val.is_object() {
-        return Err(oxide_runtime_api::format_error_message(
-            "TypeError",
-            "Proxy trap is not callable",
-        ));
+        return Err(oxide_runtime_api::format_error_message("TypeError", "Proxy trap is not callable"));
     }
     if !unsafe { &*trap_val.as_js_object_ptr() }.is_function() {
-        return Err(oxide_runtime_api::format_error_message(
-            "TypeError",
-            "Proxy trap is not callable",
-        ));
+        return Err(oxide_runtime_api::format_error_message("TypeError", "Proxy trap is not callable"));
     }
     let result = vm.call_function_sync(trap_val, handler, args)?;
     Ok(Some(result))
@@ -407,9 +401,8 @@ mod tests {
         let target = native_fn_obj(&mut vm, target_return_7);
         let handler = vm.alloc_object(JsObject::new_empty(EMPTY_SHAPE_ID, JsValue::undefined()));
         let proxy = proxy_with_state(&mut vm, JsValue::from_js_object(target), JsValue::from_js_object(handler));
-        let result =
-            proxy_apply_call(&mut vm, unsafe { &*proxy }, JsValue::undefined(), &[JsValue::int(1)])
-                .expect("落穿 target 应成功");
+        let result = proxy_apply_call(&mut vm, unsafe { &*proxy }, JsValue::undefined(), &[JsValue::int(1)])
+            .expect("落穿 target 应成功");
         assert_eq!(result, JsValue::int(7), "target 调用结果须原样返回");
     }
 
diff --git a/crates/oxide_vm/src/vm_dispatch_misc.rs b/crates/oxide_vm/src/vm_dispatch_misc.rs
index c4247464..947ee287 100644
--- a/crates/oxide_vm/src/vm_dispatch_misc.rs
+++ b/crates/oxide_vm/src/vm_dispatch_misc.rs
@@ -110,12 +110,7 @@ impl Vm {
     /// - `ctor_obj` 为待分派的构造器（native / 字节码臂）；`new_target` 为
     ///   newTarget（原型读源与 new.target 槽），非代理路径两者恒同一值。
     pub(crate) fn dispatch_new_target(
-        &mut self,
-        ctor_obj: &JsObject,
-        constructor: JsValue,
-        new_target: JsValue,
-        rd: usize,
-        args: &[JsValue],
+        &mut self, ctor_obj: &JsObject, constructor: JsValue, new_target: JsValue, rd: usize, args: &[JsValue],
         call_window: u8,
     ) -> Result<bool, String> {
         // Proxy [[Construct]]：construct trap 权威（target, argumentsList,