如果alerts里有image，则使用它，否则沿用外面的

biz/base_frame_processor.py

@@ -86,31 +86,50 @@ class BaseFrameProcessorWorker(threading.Thread):
             raise RuntimeError("Failed to encode image to JPEG")
         return base64.b64encode(buf.tobytes()).decode("ascii")
     
-    def _expand_msg_by_result_type(self, msg: dict) -> list:
+    def _expand_msg_by_ori_alert(self, msg: dict) -> list:
         """
-        将 msg 中的 result_type 从数组展开为多个独立的 msg
+        将 msg 中的 ori_alert 数组展开为多个独立的 msg
         
         Args:
-            msg: 原始消息，result_type 为 action code 字符串数组
+            msg: 原始消息，包含 ori_alert 数组
+            original_image_b64: 原始图像的 base64 编码（作为后备）
             
         Returns:
             msg 列表，每个 msg 的 result_type 为包含 action_code 和 action_name 的对象
         """
-        result_types = msg.get("result_type", [])
-        if not isinstance(result_types, list):
-            # 如果 result_type 已经是单个值，直接返回
-            return [msg]
+        ori_alerts = msg.get("ori_alert", [])
         
-        if not result_types:
-            return [msg]
+        # 如果没有 ori_alert 或为空，直接返回原消息
+        if not ori_alerts:
+            new_msg = msg.copy()
+            new_msg.pop("ori_alert", None)
+            return [new_msg]
         
         result = []
-        for action_code in result_types:
+        for alert_item in ori_alerts:
+            action_code = alert_item.get("action")
+            if not action_code:
+                continue
+            
             new_msg = msg.copy()
+            
+            # 处理 image：优先使用 ori_alert 中的 image，否则使用原来的
+            alert_image = alert_item.get("image")
+            if alert_image is not None:
+                try:
+                    new_msg["image_base64"] = self._encode_image_to_base64(alert_image)
+                except Exception as e:
+                    logger.warning(f"[WARN] Failed to encode alert image: {e}, using original")
+            
+            # 设置 result_type
             new_msg["result_type"] = {
                 "action_code": action_code,
                 "action_name": get_alert_label(action_code)
             }
+            
+            # 移除 ori_alert
+            new_msg.pop("ori_alert", None)
+            
             result.append(new_msg)
         
         return result
@@ -331,8 +350,8 @@ class BaseFrameProcessorWorker(threading.Thread):
         if segment_path:
             mp4_path = self._create_or_get_video_clip(segment_path, segment_duration)
         
-        # 展开 result_type
-        expanded_msgs = self._expand_msg_by_result_type(msg)
+        # 展开 ori_alert
+        expanded_msgs = self._expand_msg_by_ori_alert(msg)
         
         # 发送每个展开后的消息
         for expanded_msg in expanded_msgs:
@@ -424,7 +443,7 @@ class BaseFrameProcessorWorker(threading.Thread):
                         "camera_id": item["camera_index"],
                         "timestamp": ts,
                         "result_type": push_actions,
-                        "image_base64": img_b64,
+                        "image_base64": img_b64
                     }
                     try:
                         self.ws_queue.put(msg, timeout=1.0)
@@ -432,6 +451,7 @@ class BaseFrameProcessorWorker(threading.Thread):
                             # 构建消息
                             post_msg = msg.copy()
                             post_msg['type'] = self.POST_TYPE
+                            post_msg['ori_alert']: result_alerts
 
                             #备用backup
                             #self.post_executor.submit(self._post_alert, post_msg)