diff --git a/src/slic3r/GUI/DeviceManager.cpp b/src/slic3r/GUI/DeviceManager.cpp
index 098118cfd..f69e46596 100644
--- a/src/slic3r/GUI/DeviceManager.cpp
+++ b/src/slic3r/GUI/DeviceManager.cpp
@@ -4832,6 +4832,7 @@ int MachineObject::parse_json(std::string payload, bool key_field_only)
                                 auto err_code = jj["err_code"].get<int>();
                                 print_error   = err_code;
                             }
+                            is_succeed = false;
                         }
                     }
 
@@ -4900,6 +4901,7 @@ int MachineObject::parse_json(std::string payload, bool key_field_only)
                             if (jj.contains("err_code")) {
                                 auto err_code = jj["err_code"].get<int>();
                                 print_error   = err_code;
+                                is_succeed    = false;
                             }
                         }
                     }
diff --git a/src/slic3r/GUI/StatusPanel.cpp b/src/slic3r/GUI/StatusPanel.cpp
index bbe9c6d07..9c4f70f61 100644
--- a/src/slic3r/GUI/StatusPanel.cpp
+++ b/src/slic3r/GUI/StatusPanel.cpp
@@ -3061,7 +3061,6 @@ void StatusPanel::update_ams(MachineObject *obj)
     if (m_filament_setting_dlg) { m_filament_setting_dlg->obj = obj; }
 
     if (obj && (obj->last_cali_version != obj->cali_version)) {
-        last_cali_version = obj->cali_version;
         PACalibExtruderInfo cali_info;
         cali_info.nozzle_diameter        = obj->m_extder_data.extders[0].current_nozzle_diameter;
         cali_info.use_extruder_id        = false;