diff --git a/src/slic3r/GUI/DeviceManager.cpp b/src/slic3r/GUI/DeviceManager.cpp
index d4ece5ebbe..8d1f633b7a 100644
--- a/src/slic3r/GUI/DeviceManager.cpp
+++ b/src/slic3r/GUI/DeviceManager.cpp
@@ -5562,6 +5562,7 @@ void MachineObject::parse_new_info(json print)
         is_support_nozzle_blob_detection = get_flag_bits(fun, 13);
         is_support_upgrade_kit = get_flag_bits(cfg, 14);
         is_support_command_homing = get_flag_bits(fun, 32);
+        is_support_brtc = get_flag_bits(fun, 31);
     }
 
     /*aux*/
diff --git a/src/slic3r/GUI/DeviceManager.hpp b/src/slic3r/GUI/DeviceManager.hpp
index 85263899e8..5ba30c8837 100644
--- a/src/slic3r/GUI/DeviceManager.hpp
+++ b/src/slic3r/GUI/DeviceManager.hpp
@@ -870,6 +870,7 @@ public:
     bool is_support_agora{false};
     bool is_support_upgrade_kit{false};
     bool is_support_command_homing { false };// fun[32]
+    bool is_support_brtc { false }; // fun[31], support tcp and upload protocol
 
     bool installed_upgrade_kit{false};
     int  nozzle_max_temperature = -1;