diff --git a/src/slic3r/GUI/DeviceManager.cpp b/src/slic3r/GUI/DeviceManager.cpp
index 0ea7af39c..e732c2f32 100644
--- a/src/slic3r/GUI/DeviceManager.cpp
+++ b/src/slic3r/GUI/DeviceManager.cpp
@@ -2685,6 +2685,10 @@ int MachineObject::parse_json(std::string payload)
             j = j_pre;
         }
 
+        uint64_t t_utc = j.value("t_utc", 0);
+        if (t_utc > 0) 
+            last_update_time = std::chrono::system_clock::time_point(t_utc * 1ms);
+
         BOOST_LOG_TRIVIAL(trace) << "parse_json: dev_id=" << dev_id << ", playload=" << j.dump(4);
 
         // Parse version info first, as if version arrive or change, 'print' need parse again with new compatible settings
@@ -2944,7 +2948,7 @@ int MachineObject::parse_json(std::string payload)
 
                 if (jj["command"].get<std::string>() == "push_status") {
                     m_push_count++;
-                    last_push_time = std::chrono::system_clock::now();
+                    last_push_time = last_update_time;
 #pragma region printing
                     // U0 firmware
                     if (jj.contains("print_type")) {
diff --git a/src/slic3r/GUI/StatusPanel.cpp b/src/slic3r/GUI/StatusPanel.cpp
index 1bc7ff8e6..e6277144d 100644
--- a/src/slic3r/GUI/StatusPanel.cpp
+++ b/src/slic3r/GUI/StatusPanel.cpp
@@ -1857,6 +1857,17 @@ void StatusPanel::update(MachineObject *obj)
     update_subtask(obj);
     m_project_task_panel->Thaw();
 
+#if !BBL_RELEASE_TO_PUBLIC
+    auto delay1  = std::chrono::duration_cast<std::chrono::milliseconds>(obj->last_update_time - std::chrono::system_clock::now()).count();
+    auto delay2  = std::chrono::duration_cast<std::chrono::milliseconds>(obj->last_push_time - std::chrono::system_clock::now()).count();
+    auto delay = wxString::Format(" %ld/%ld", delay1, delay2);
+    m_staticText_timelapse
+        ->SetLabel((obj->is_lan_mode_printer() ? "Local Mqtt" : obj->is_tunnel_mqtt ? "Tunnel Mqtt" : "Cloud Mqtt") + delay);
+    m_bmToggleBtn_timelapse
+        ->Enable(!obj->is_lan_mode_printer());
+    m_bmToggleBtn_timelapse
+        ->SetValue(obj->is_tunnel_mqtt);
+#endif
 
     m_machine_ctrl_panel->Freeze();