diff --git a/README.md b/README.md
index 87a5c52..9b62b19 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 # xc_validation_strategy_vllm_stop
 
-用于停止 `zhoukaile` 账号当前全部活跃验证任务的 ModelHub XC 策略服务。
+用于停止 `zhoukaile` 账号当前状态为 `waiting` 的验证任务的 ModelHub XC 策略服务。
 
 服务启动后会调用：
 
@@ -38,7 +38,7 @@ USER_PASSWORD=<zhoukaile 的登录密码>
 
 ## 运行与构建
 
-仓库根目录的 `Dockerfile` 使用平台 Python 基础镜像，暴露 `8080` 端口并以 `python main.py` 启动。策略构建时请将 `XC_TOKEN` 与 `USER_PASSWORD` 都设置为机密变量；构建成功后，策略会先分页读取当前账号的全部活跃任务，再分批停止。
+仓库根目录的 `Dockerfile` 使用平台 Python 基础镜像，暴露 `8080` 端口并以 `python main.py` 启动。策略构建时请将 `XC_TOKEN` 与 `USER_PASSWORD` 都设置为机密变量；构建成功后，策略会先分页读取当前账号的全部任务，仅筛选状态为 `waiting` 的任务再分批停止。
 
 本地验证：
 
diff --git a/main.py b/main.py
index a228415..50e35f0 100644
--- a/main.py
+++ b/main.py
@@ -1,4 +1,4 @@
-"""Stop zhoukaile's active ModelHub XC validation tasks.
+"""Stop zhoukaile's waiting ModelHub XC validation tasks.
 
 The service performs the stop requests once at startup and then stays alive so
 the strategy platform can probe it through ``/health`` and inspect ``/status``.
@@ -31,7 +31,7 @@ MAX_RETRIES = int(os.environ.get("MAX_RETRIES", "3"))
 REQUEST_TIMEOUT = int(os.environ.get("REQUEST_TIMEOUT", "30"))
 
 PAGE_SIZE = 100
-ACTIVE_STATUSES = {"waiting", "running", "pending", "processing", "queued"}
+STOPPABLE_STATUS = "waiting"
 
 _shutdown = threading.Event()
 _state: dict[str, Any] = {
@@ -89,7 +89,7 @@ def _login() -> str:
 
 
 def _current_task_ids() -> list[int]:
-    """Fetch every active task currently submitted by USER_ACCOUNT.
+    """Fetch every waiting task currently submitted by USER_ACCOUNT.
 
     This intentionally queries the user-facing task page at run time.  A static
     list becomes obsolete as soon as zhoukaile submits more validation tasks.
@@ -114,7 +114,7 @@ def _current_task_ids() -> list[int]:
         data = result.get("data") or {}
         records = data.get("records") or []
         for record in records:
-            if str(record.get("status", "")).lower() not in ACTIVE_STATUSES:
+            if str(record.get("status", "")).lower() != STOPPABLE_STATUS:
                 continue
             try:
                 task_ids.append(int(record["taskId"]))