diff --git a/Cargo.lock b/Cargo.lock
index 2a76ebc7..753151e1 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1095,7 +1095,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_builtins"
-version = "0.8.26"
+version = "0.8.27"
 dependencies = [
  "chrono",
  "fast-float",
@@ -1120,7 +1120,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_bytecode"
-version = "0.8.26"
+version = "0.8.27"
 dependencies = [
  "num-bigint",
  "oxide_log",
@@ -1128,7 +1128,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_cfg"
-version = "0.8.26"
+version = "0.8.27"
 dependencies = [
  "oxide_bytecode",
  "oxide_emit",
@@ -1139,7 +1139,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_cli"
-version = "0.8.26"
+version = "0.8.27"
 dependencies = [
  "ansi_term",
  "bumpalo",
@@ -1159,7 +1159,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_code_cache"
-version = "0.8.26"
+version = "0.8.27"
 dependencies = [
  "lru",
  "oxide_bytecode",
@@ -1168,7 +1168,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_compiler"
-version = "0.8.26"
+version = "0.8.27"
 dependencies = [
  "oxide_bytecode",
  "oxide_cfg",
@@ -1187,7 +1187,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_dce"
-version = "0.8.26"
+version = "0.8.27"
 dependencies = [
  "oxide_bytecode",
  "oxide_cfg",
@@ -1201,7 +1201,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_emit"
-version = "0.8.26"
+version = "0.8.27"
 dependencies = [
  "num-bigint",
  "oxc_allocator",
@@ -1216,7 +1216,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_ir"
-version = "0.8.26"
+version = "0.8.27"
 dependencies = [
  "oxide_bytecode",
  "oxide_log",
@@ -1225,7 +1225,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_kernel"
-version = "0.8.26"
+version = "0.8.27"
 dependencies = [
  "bumpalo",
  "dashmap",
@@ -1240,7 +1240,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_liveness"
-version = "0.8.26"
+version = "0.8.27"
 dependencies = [
  "oxide_bytecode",
  "oxide_cfg",
@@ -1252,7 +1252,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_log"
-version = "0.8.26"
+version = "0.8.27"
 dependencies = [
  "tracing",
  "tracing-appender",
@@ -1261,7 +1261,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_parser"
-version = "0.8.26"
+version = "0.8.27"
 dependencies = [
  "oxc_allocator",
  "oxc_ast",
@@ -1276,7 +1276,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_regalloc"
-version = "0.8.26"
+version = "0.8.27"
 dependencies = [
  "oxide_bytecode",
  "oxide_cfg",
@@ -1292,7 +1292,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_runtime_api"
-version = "0.8.26"
+version = "0.8.27"
 dependencies = [
  "num-bigint",
  "num-traits",
@@ -1304,7 +1304,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_test262"
-version = "0.8.26"
+version = "0.8.27"
 dependencies = [
  "oxide_bytecode",
  "oxide_compiler",
@@ -1321,7 +1321,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_types"
-version = "0.8.26"
+version = "0.8.27"
 dependencies = [
  "bumpalo",
  "hashbrown 0.14.5",
@@ -1333,7 +1333,7 @@ dependencies = [
 
 [[package]]
 name = "oxide_vm"
-version = "0.8.26"
+version = "0.8.27"
 dependencies = [
  "bumpalo",
  "chrono",
diff --git a/Cargo.toml b/Cargo.toml
index 92c40231..88aa0f99 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -22,7 +22,7 @@ members = [
 ]
 
 [workspace.package]
-version = "0.8.26"
+version = "0.8.27"
 edition = "2021"
 license = "MIT"
 rust-version = "1.80"
diff --git a/crates/oxide_cli/src/server/sidecar.rs b/crates/oxide_cli/src/server/sidecar.rs
index 648d7e1e..9378af80 100644
--- a/crates/oxide_cli/src/server/sidecar.rs
+++ b/crates/oxide_cli/src/server/sidecar.rs
@@ -141,7 +141,7 @@ pub fn process_starttime(pid: u32) -> Option<u64> {
     // 空格干扰字段计数。
     let rest = text.rsplit(')').next()?;
     // 剩余部分从 state（全文件第 3 字段）起，第 20 个字段即全文件第 22 字段。
-    rest.split_whitespace().skip(19).next()?.parse().ok()
+    rest.split_whitespace().nth(19)?.parse().ok()
 }
 
 /// 认领结果：注册入口的三态。
@@ -164,7 +164,7 @@ pub enum ClaimResult {
 ///    - 可解析且 PID 死：陈旧残留，删 sidecar 与 socket 文件后重建。
 ///    - 可解析且 PID 活：交叉核对启动时刻刻度，匹配则保守拒绝（server
 ///      可能正在启动或 socket 被外部删除），失配则 PID 已复用，删除重建。
-///    - 不可解析（损坏）：只删 sidecar（socket 路径未知不猜）后重建。
+///    - 不可解析（损坏）：删 sidecar 与 socket 文件后重建。
 ///
 /// # 边界与前提
 /// - 启动顺序契约是「先写 sidecar 再 bind socket」，存活 server 必有 sidecar。
@@ -192,8 +192,9 @@ pub fn claim_sidecar(sidecar_path: &Path, socket_path: &Path) -> ClaimResult {
     match read_identity(sidecar_path) {
         Some(id) => claim_dead_socket(&id, sidecar_path, socket_path),
         None => {
-            // 损坏文件：只删 sidecar（socket 路径未知不猜）后重建。
-            let _ = fs::remove_file(sidecar_path);
+            // 损坏文件：删 sidecar 与 socket 文件后重建（socket 探活已失败，
+            // 文件无监听者，不会误删存活 server 的 socket）。
+            remove_stale(sidecar_path, socket_path);
             re_register(sidecar_path, socket_path)
         }
     }
@@ -390,6 +391,22 @@ mod tests {
         assert_eq!(id.pid, std::process::id());
     }
 
+    /// 认领分支：损坏文件加无监听者的陈旧 socket 文件判陈旧，两文件都删后重建。
+    #[test]
+    fn claim_corrupted_sidecar_stale_socket_rebuilt() {
+        let dir = TestDir::new();
+        let sidecar = dir.path("sidecar.json");
+        let socket = dir.path("server.sock");
+        // 损坏文件：非 JSON 内容。
+        fs::write(&sidecar, "not json at all").expect("写损坏文件应成功");
+        // 陈旧 socket 文件：文件存在但无监听者。
+        fs::write(&socket, b"stale").expect("写陈旧 socket 文件应成功");
+        assert_eq!(claim_sidecar(&sidecar, &socket), ClaimResult::Registered);
+        let id = read_identity(&sidecar).expect("重建 sidecar 应可读");
+        assert_eq!(id.pid, std::process::id(), "重建 sidecar 应为本进程身份");
+        assert!(!socket.exists(), "陈旧 socket 文件应被删除");
+    }
+
     /// 认领分支：损坏文件加存活 socket 拒绝（socket 是存活事实源）。
     #[test]
     fn claim_corrupted_sidecar_live_socket_refused() {