diff --git a/src/slic3r/GUI/CalibrationWizardStartPage.cpp b/src/slic3r/GUI/CalibrationWizardStartPage.cpp
index a932d1be3..756a692db 100644
--- a/src/slic3r/GUI/CalibrationWizardStartPage.cpp
+++ b/src/slic3r/GUI/CalibrationWizardStartPage.cpp
@@ -146,6 +146,26 @@ void CalibrationPAStartPage::on_reset_page()
 
 void CalibrationPAStartPage::on_device_connected(MachineObject* obj)
 {
+     update(obj);
+}
+
+void CalibrationPAStartPage::msw_rescale()
+{
+    CalibrationWizardPage::msw_rescale();
+    m_help_panel->msw_rescale();
+    if (wxGetApp().app_config->get_language_code() == "zh-cn") {
+        create_bitmap(this, "cali_page_before_pa_CN", "cali_page_after_pa_CN");
+    } else {
+        create_bitmap(this, "cali_page_before_pa", "cali_page_after_pa");
+    }
+}
+
+void CalibrationPAStartPage::update(MachineObject *obj)
+{
+    if (!obj)
+        return;
+    curr_obj = obj;
+
     //enable all button
     m_action_panel->enable_button(CaliPageActionType::CALI_ACTION_MANAGE_RESULT, true);
     m_action_panel->enable_button(CaliPageActionType::CALI_ACTION_AUTO_CALI, true);
@@ -186,17 +206,6 @@ void CalibrationPAStartPage::on_device_connected(MachineObject* obj)
     }
 }
 
-void CalibrationPAStartPage::msw_rescale()
-{
-    CalibrationWizardPage::msw_rescale();
-    m_help_panel->msw_rescale();
-    if (wxGetApp().app_config->get_language_code() == "zh-cn") {
-        create_bitmap(this, "cali_page_before_pa_CN", "cali_page_after_pa_CN");
-    } else {
-        create_bitmap(this, "cali_page_before_pa", "cali_page_after_pa");
-    }
-}
-
 CalibrationFlowRateStartPage::CalibrationFlowRateStartPage(wxWindow* parent, wxWindowID id, const wxPoint& pos, const wxSize& size, long style)
     : CalibrationStartPage(parent, id, pos, size, style)
 {
diff --git a/src/slic3r/GUI/CalibrationWizardStartPage.hpp b/src/slic3r/GUI/CalibrationWizardStartPage.hpp
index 0e893bce1..97c12e36e 100644
--- a/src/slic3r/GUI/CalibrationWizardStartPage.hpp
+++ b/src/slic3r/GUI/CalibrationWizardStartPage.hpp
@@ -51,6 +51,8 @@ public:
     void on_reset_page();
     void on_device_connected(MachineObject* obj);
     void msw_rescale() override;
+
+    virtual void update(MachineObject *obj) override;
 };
 
 class CalibrationFlowRateStartPage : public CalibrationStartPage