diff --git a/biz/checkpoint/checkpoint_biz.py b/biz/checkpoint/checkpoint_biz.py
index d9619e9..aae97bc 100644
--- a/biz/checkpoint/checkpoint_biz.py
+++ b/biz/checkpoint/checkpoint_biz.py
@@ -7,6 +7,7 @@ import threading
 import time
 import queue
 import requests
+from concurrent.futures import ThreadPoolExecutor
 from common.contants import ALERT_PUSH_URL
 
 # -------------------------- Kadian 检测相关导入 --------------------------
@@ -813,7 +814,7 @@ class KadianDetector:
 
 # ========================= 帧处理线程 =========================
 class FrameProcessorWorker(threading.Thread):
-    def __init__(self, raw_queue: queue.Queue, ws_queue: queue.Queue, stop_event: threading.Event, cameras=None):
+    def __init__(self, raw_queue: queue.Queue, ws_queue: queue.Queue, stop_event: threading.Event, cameras=None, post_workers: int = 4):
         super().__init__(daemon=True)
         self.raw_queue = raw_queue
         self.ws_queue = ws_queue
@@ -828,6 +829,20 @@ class FrameProcessorWorker(threading.Thread):
 
         self.last_alert_push_time: Dict[int, Dict[str, float]] = {}
 
+        # 线程池用于异步发送 POST 请求
+        self.post_executor = ThreadPoolExecutor(max_workers=post_workers, thread_name_prefix="alert_post")
+
+    def _post_alert(self, msg: dict):
+        """异步发送告警 POST 请求（在线程池中执行）"""
+        try:
+            response = requests.post(ALERT_PUSH_URL, json=msg, timeout=5.0)
+            if response.status_code == 200:
+                print(f"[INFO] POST alert sent successfully for actions: {msg.get('result_type')}")
+            else:
+                print(f"[WARN] POST alert failed with status: {response.status_code}")
+        except Exception as e:
+            print(f"[ERROR] POST alert request failed: {e}")
+
     def _encode_base64(self, img):
         _, buf = cv2.imencode(".jpg", img)
         return base64.b64encode(buf).decode("ascii")
@@ -908,17 +923,10 @@ class FrameProcessorWorker(threading.Thread):
                     try:
                         self.ws_queue.put(msg, timeout=1.0)
                         if push_actions and len(push_actions) > 0:
-                            # 发送POST请求
+                            # 异步发送 POST 请求（提交到线程池）
                             post_msg = msg.copy()
                             post_msg['type'] = 1
-                            try:
-                                response = requests.post(ALERT_PUSH_URL, json=post_msg, timeout=5.0)
-                                if response.status_code == 200:
-                                    print(f"[INFO] POST alert sent successfully for actions: {push_actions}")
-                                else:
-                                    print(f"[WARN] POST alert failed with status: {response.status_code}")
-                            except Exception as e:
-                                print(f"[ERROR] POST alert request failed: {e}")
+                            self.post_executor.submit(self._post_alert, post_msg)
                     except queue.Full:
                         logger.warning("[WARN] ws_send_queue full, drop frame message")
                     
@@ -934,3 +942,6 @@ class FrameProcessorWorker(threading.Thread):
                 # 继续处理下一帧，不要退出循环
             finally:
                 self.raw_queue.task_done()
+
+        # 线程退出时关闭线程池
+        self.post_executor.shutdown(wait=False)