diff --git a/crates/oxide_builtins/src/global/uri.rs b/crates/oxide_builtins/src/global/uri.rs
index 448b0e80..7154d615 100644
--- a/crates/oxide_builtins/src/global/uri.rs
+++ b/crates/oxide_builtins/src/global/uri.rs
@@ -79,9 +79,7 @@ fn decode_uri_units(input: &[u16], preserve_reserved: bool) -> Result<Vec<u16>,
         let decoded = std::str::from_utf8(&encoded).map_err(|_| ())?;
         let ch = decoded.chars().next().expect("单字节序解出恰一个码点");
         if preserve_reserved && ch.is_ascii() && URI_RESERVED.contains(ch) {
-            for k in raw_start..i {
-                out.push(input[k]);
-            }
+            out.extend_from_slice(&input[raw_start..i]);
             continue;
         }
         let cp = ch as u32;
diff --git a/crates/oxide_compiler/src/compiler.rs b/crates/oxide_compiler/src/compiler.rs
index 379a5c04..ebb55497 100644
--- a/crates/oxide_compiler/src/compiler.rs
+++ b/crates/oxide_compiler/src/compiler.rs
@@ -59,15 +59,20 @@ impl Compiler {
 
     /// 标记源码为 `source_escape` 产物（动态编译入口：eval / Function 构造器）。
     pub fn with_source_encoded(self, enable: bool) -> Self {
-        Self { is_source_encoded: enable, ..self }
+        Self {
+            is_source_encoded: enable,
+            ..self
+        }
     }
 
     /// 编译整个 script program：AST → IR（`Emitter::emit_program`）→ 统一 IR 管线。
     pub fn compile(&self, program: &oxide_parser::Program) -> Result<CompiledModule, String> {
         crate::compiler_debug!("compile: starting...");
-        let ir = Emitter::new()
-            .with_source_encoded(self.is_source_encoded)
-            .emit_program(program, self.repl_persist, self.is_eval_script)?;
+        let ir = Emitter::new().with_source_encoded(self.is_source_encoded).emit_program(
+            program,
+            self.repl_persist,
+            self.is_eval_script,
+        )?;
         self.compile_ir(ir)
     }
 
diff --git a/crates/oxide_kernel/src/string_forge.rs b/crates/oxide_kernel/src/string_forge.rs
index 7c62afac..e5df2a1a 100644
--- a/crates/oxide_kernel/src/string_forge.rs
+++ b/crates/oxide_kernel/src/string_forge.rs
@@ -191,9 +191,7 @@ pub fn source_escape_to_key(text: &str) -> String {
         if i + 1 < chars.len() && chars[i + 1] == '\\' {
             let is_marker = i + 7 <= chars.len()
                 && chars[i + 2] == 'u'
-                && chars[i + 3..i + 7]
-                    .iter()
-                    .all(|c| matches!(c, '0'..='9' | 'a'..='f'));
+                && chars[i + 3..i + 7].iter().all(|c| matches!(c, '0'..='9' | 'a'..='f'));
             if is_marker {
                 out.push('\\');
                 i += 1;
@@ -209,12 +207,12 @@ pub fn source_escape_to_key(text: &str) -> String {
         if i + 1 < chars.len() && chars[i + 1] == 'u' {
             let tail_len = 4.min(chars.len() - i - 2);
             let tail = &chars[i + 2..i + 2 + tail_len];
-            let ok = tail
-                .iter()
-                .all(|c| matches!(c, '0'..='9' | 'a'..='f'));
-            let v: u32 = ok
-                .then(|| tail.iter().fold(0u32, |v, c| v * 16 + c.to_digit(16).unwrap()))
-                .unwrap_or(0);
+            let ok = tail.iter().all(|c| matches!(c, '0'..='9' | 'a'..='f'));
+            let v: u32 = if ok {
+                tail.iter().fold(0u32, |v, c| v * 16 + c.to_digit(16).unwrap())
+            } else {
+                0
+            };
             if tail_len == 4 && ok && (v == 0xFFFD || (0xD800..=0xDFFF).contains(&v)) {
                 out.push('\u{FFFD}');
                 out.extend(tail);
diff --git a/crates/oxide_test262/src/main.rs b/crates/oxide_test262/src/main.rs
index 9349c2f2..cfa41c03 100644
--- a/crates/oxide_test262/src/main.rs
+++ b/crates/oxide_test262/src/main.rs
@@ -1257,7 +1257,7 @@ fn supervise_window(
     let _ = std::fs::remove_file(format!("{}.tmp", hb_path.display()));
     // 旁路失败行归档而非删除：统计已由心跳合并入父进程，此文件是收尾逐文件
     // 差分的终态依据（删除即永久丢记录）。
-    let _ = std::fs::rename(&hb_path.with_extension("fails"), &hb_path.with_extension("fails.done"));
+    let _ = std::fs::rename(hb_path.with_extension("fails"), hb_path.with_extension("fails.done"));
     stats
 }
 
diff --git a/crates/oxide_vm/src/vm.rs b/crates/oxide_vm/src/vm.rs
index f69288df..93e70d3a 100644
--- a/crates/oxide_vm/src/vm.rs
+++ b/crates/oxide_vm/src/vm.rs
@@ -2736,8 +2736,9 @@ impl Vm {
             .map_err(|errs| errs.into_iter().map(|e| e.message).collect::<Vec<_>>().join("\n"))?;
         // 动态路径源契约：调用方以源码域转义（`string_forge::source_escape`）
         // 形态传源；正则字面量源文本常量与静态同路径（`pool_key_plain`）。
-        let mut module =
-            oxide_compiler::compiler::Compiler::new().with_source_encoded(true).compile(&program)?;
+        let mut module = oxide_compiler::compiler::Compiler::new()
+            .with_source_encoded(true)
+            .compile(&program)?;
         let anonymous = module.sub_modules.remove(0);
         // 形参数以编译结果为准：单个实参 "a,b,c" 拼接后解析为 3 个形参
         // （ES 动态函数把非末位实参以逗号连接成参数串再解析）。
@@ -2851,13 +2852,13 @@ impl Vm {
 
 #[cfg(test)]
 mod tests {
-    use super::{opcode, ForOfEntry, JsValue, TryHandler, Vm};
     use super::{canonical_index_of, canonical_index_units};
-    use oxide_types::private_key::INT_KEY_COUNT;
+    use super::{opcode, ForOfEntry, JsValue, TryHandler, Vm};
     use oxide_bytecode::module::CompiledModule;
     use oxide_runtime_api::{NativeResult, VmHost};
     use oxide_types::object::NativeFnPtr;
     use oxide_types::object::{JsObject, PropAttributes};
+    use oxide_types::private_key::INT_KEY_COUNT;
     use std::sync::Arc;
 
     fn native_return_7(_vm: &mut Vm, _args: &[u8]) -> NativeResult {