fix: cancel_task returning 404 after successful cancel, and KeyError on forum app

ReportEngine/flask_interface.py

@@ -999,13 +999,15 @@ def cancel_task(task_id: str):
 
     try:
         with task_lock:
+            cancelled = False
             if current_task and current_task.task_id == task_id:
                 if current_task.status == "running":
                     current_task.update_status("cancelled", 0, "用户取消任务")
                     current_task.publish_event('cancelled', {
                         'message': '任务被用户主动终止',
                         'task': current_task.to_dict(),
                     })
+                    cancelled = True
                 current_task = None
             task = tasks_registry.get(task_id)
             if task and task.status == 'running':
@@ -1014,7 +1016,9 @@ def cancel_task(task_id: str):
                     'message': '任务被用户主动终止',
                     'task': task.to_dict(),
                 })
+                cancelled = True
 
+            if cancelled or (task and task.status == 'cancelled'):
                 return jsonify({
                     'success': True,
                     'message': '任务已取消'

app.py

@@ -1171,8 +1171,10 @@ def search():
     # 向运行中的应用发送搜索请求
     results = {}
     api_ports = {'insight': 8501, 'media': 8502, 'query': 8503}
-    
+
     for app_name in running_apps:
+        if app_name not in api_ports:
+            continue
         try:
             api_port = api_ports[app_name]
             # 调用Streamlit应用的API端点