added image_name to PlateOrder model

sse/views.py

@@ -151,15 +151,16 @@ def shutdown_sse(request):
     if not merchant_id:
         return Response({'error': 'User has no associated merchant'}, status=status.HTTP_403_FORBIDDEN)
     
-    services.push_sse_event_to_merchant(merchant_id, {
-        'type': 'server_shutdown',
-        'message': 'Server shutting down your connections, please reconnect later'
-    })
-    
+    # 获取连接数
     merchant_connections = services.get_merchant_connections(merchant_id)
+    client_count = len(merchant_connections)
+    
+    # 实际关闭连接
+    services.shutdown_merchant_connections(merchant_id)
+    
     return Response({
         'status': 'ok',
-        'message': 'Shutdown signal sent to your merchant\'s SSE connections',
+        'message': 'Your merchant\'s SSE connections have been closed',
         'merchant_id': merchant_id,
-        'clients': len(merchant_connections)
+        'clients': client_count
     })