diff --git a/src/slic3r/GUI/CameraPopup.cpp b/src/slic3r/GUI/CameraPopup.cpp
index d56f7832e..4de92ec7a 100644
--- a/src/slic3r/GUI/CameraPopup.cpp
+++ b/src/slic3r/GUI/CameraPopup.cpp
@@ -135,6 +135,7 @@ void CameraPopup::on_switch_timelapse(wxCommandEvent& event)
         return;
     }
     bool value = m_switch_timelapse->GetValue();
+    m_switch_timelapse->SetValue(!value);
     m_obj->command_ipcam_timelapse(!value);
 }
 
@@ -146,6 +147,7 @@ void CameraPopup::on_switch_recording(wxCommandEvent& event)
         return;
     }
     bool value = m_switch_recording->GetValue();
+    m_switch_recording->SetValue(!value);
     m_obj->command_ipcam_record(!value);
 }
 
diff --git a/src/slic3r/GUI/DeviceManager.cpp b/src/slic3r/GUI/DeviceManager.cpp
index 412c2e99c..e91121060 100644
--- a/src/slic3r/GUI/DeviceManager.cpp
+++ b/src/slic3r/GUI/DeviceManager.cpp
@@ -1635,6 +1635,7 @@ int MachineObject::command_unload_filament()
 
 int MachineObject::command_ipcam_record(bool on_off)
 {
+    BOOST_LOG_TRIVIAL(info) << "command_ipcam_record = " << on_off;
     json j;
     j["camera"]["command"] = "ipcam_record_set";
     j["camera"]["sequence_id"] = std::to_string(MachineObject::m_sequence_id++);
@@ -1645,6 +1646,7 @@ int MachineObject::command_ipcam_record(bool on_off)
 
 int MachineObject::command_ipcam_timelapse(bool on_off)
 {
+    BOOST_LOG_TRIVIAL(info) << "command_ipcam_timelapse " << on_off;
     json j;
     j["camera"]["command"] = "ipcam_timelapse";
     j["camera"]["sequence_id"] = std::to_string(MachineObject::m_sequence_id++);
@@ -1655,13 +1657,13 @@ int MachineObject::command_ipcam_timelapse(bool on_off)
 
 int MachineObject::command_ipcam_resolution_set(std::string resolution)
 {
+    BOOST_LOG_TRIVIAL(info) << "command:ipcam_resolution_set" << ", resolution:" << resolution;
     json j;
     j["camera"]["command"] = "ipcam_resolution_set";
     j["camera"]["sequence_id"] = std::to_string(MachineObject::m_sequence_id++);
     j["camera"]["resolution"] = resolution;
-    BOOST_LOG_TRIVIAL(info) << "command:ipcam_resolution_set" << ", resolution:" << resolution;
-    camera_resolution_hold_count = HOLD_COUNT_MAX;
-    camera_recording_hold_count = HOLD_COUNT_MAX;
+    camera_resolution_hold_count = HOLD_COUNT_RESOLUTION;
+    camera_recording_hold_count = HOLD_COUNT_RESOLUTION;
     return this->publish_json(j.dump());
 }
 
@@ -2930,13 +2932,16 @@ int MachineObject::parse_json(std::string payload)
                             this->camera_timelapse = true;
                         if (j["camera"]["control"].get<std::string>() == "disable")
                             this->camera_timelapse = false;
+                        BOOST_LOG_TRIVIAL(info) << "ack of timelapse = " << camera_timelapse;
                     } else if (j["camera"]["command"].get<std::string>() == "ipcam_record_set") {
                         if (j["camera"]["control"].get<std::string>() == "enable")
                             this->camera_recording_when_printing = true;
                         if (j["camera"]["control"].get<std::string>() == "disable")
                             this->camera_recording_when_printing = false;
+                        BOOST_LOG_TRIVIAL(info) << "ack of ipcam_record_set " << camera_recording_when_printing;
                     } else if (j["camera"]["command"].get<std::string>() == "ipcam_resolution_set") {
                         this->camera_resolution = j["camera"]["resolution"].get<std::string>();
+                        BOOST_LOG_TRIVIAL(info) << "ack of resolution = " << camera_resolution;
                     }
                 }
             }
diff --git a/src/slic3r/GUI/DeviceManager.hpp b/src/slic3r/GUI/DeviceManager.hpp
index b4d9aa5fd..bd25cbb38 100644
--- a/src/slic3r/GUI/DeviceManager.hpp
+++ b/src/slic3r/GUI/DeviceManager.hpp
@@ -25,6 +25,7 @@
 #define BED_TEMP_LIMIT          120
 
 #define HOLD_COUNT_MAX          3
+#define HOLD_COUNT_RESOLUTION   6
 #define GET_VERSION_RETRYS      10
 #define RETRY_INTERNAL          2000