diff --git a/src/slic3r/GUI/CalibrationPanel.cpp b/src/slic3r/GUI/CalibrationPanel.cpp
index 54b8862d2..858394aee 100644
--- a/src/slic3r/GUI/CalibrationPanel.cpp
+++ b/src/slic3r/GUI/CalibrationPanel.cpp
@@ -242,21 +242,26 @@ void SelectMObjectPopup::Popup(wxWindow* WXUNUSED(focus))
 
     if (wxGetApp().is_user_login()) {
         if (!get_print_info_thread) {
-            get_print_info_thread = new boost::thread(Slic3r::create_thread([&] {
+            get_print_info_thread = new boost::thread(Slic3r::create_thread([this, token = std::weak_ptr(m_token)] {
                 NetworkAgent* agent = wxGetApp().getAgent();
                 unsigned int http_code;
                 std::string body;
                 int result = agent->get_user_print_info(&http_code, &body);
-                if (result == 0) {
-                    m_print_info = body;
-                }
-                else {
-                    m_print_info = "";
-                }
-                wxCommandEvent event(EVT_UPDATE_USER_MLIST);
-                event.SetEventObject(this);
-                wxPostEvent(this, event);
-                }));
+
+                wxGetApp().CallAfter([token, this, result, body]() {
+                    if (token.expired()) {return;}
+                    if (result == 0) {
+                        m_print_info = body;
+                    }
+                    else {
+                        m_print_info = "";
+                    }
+
+                    wxCommandEvent event(EVT_UPDATE_USER_MLIST);
+                    event.SetEventObject(this);
+                    wxPostEvent(this, event);
+                });
+            }));
         }
     }
 
diff --git a/src/slic3r/GUI/CalibrationPanel.hpp b/src/slic3r/GUI/CalibrationPanel.hpp
index ca55e07f1..a1c23e0e6 100644
--- a/src/slic3r/GUI/CalibrationPanel.hpp
+++ b/src/slic3r/GUI/CalibrationPanel.hpp
@@ -89,6 +89,7 @@ private:
     std::vector<MPanel*>                m_user_list_machine_panel;
     boost::thread*                      get_print_info_thread{ nullptr };
     std::string                         m_print_info;
+    std::shared_ptr<int>                m_token = std::make_shared<int>(0);
     std::map<std::string, MachineObject*> m_bind_machine_list;
 
 private:
diff --git a/src/slic3r/GUI/ReleaseNote.cpp b/src/slic3r/GUI/ReleaseNote.cpp
index bdcf2730d..19d8c3bd8 100644
--- a/src/slic3r/GUI/ReleaseNote.cpp
+++ b/src/slic3r/GUI/ReleaseNote.cpp
@@ -1255,7 +1255,7 @@ InputIpAddressDialog::InputIpAddressDialog(wxWindow* parent)
     m_sizer_body->Add(m_trouble_shoot, 0, wxLEFT | wxRIGHT | wxEXPAND, FromDIP(40));
 
     m_sizer_body->Add(0, 0, 0, wxTOP, FromDIP(8));
-    m_sizer_body->Add(m_sizer_button, 0, wxRIGHT | wxEXPAND, FromDIP(18));
+    m_sizer_body->Add(m_sizer_button, 0, wxRIGHT | wxEXPAND, FromDIP(25));
     m_sizer_body->Layout();
     
     SetSizer(m_sizer_body);
diff --git a/src/slic3r/GUI/SelectMachine.cpp b/src/slic3r/GUI/SelectMachine.cpp
index 1a41842d0..9389b513f 100644
--- a/src/slic3r/GUI/SelectMachine.cpp
+++ b/src/slic3r/GUI/SelectMachine.cpp
@@ -429,19 +429,23 @@ void SelectMachinePopup::Popup(wxWindow *WXUNUSED(focus))
 
     if (wxGetApp().is_user_login()) {
         if (!get_print_info_thread) {
-            get_print_info_thread = new boost::thread(Slic3r::create_thread([&] {
+            get_print_info_thread = new boost::thread(Slic3r::create_thread([this, token = std::weak_ptr(m_token)] {
                 NetworkAgent* agent = wxGetApp().getAgent();
                 unsigned int http_code;
                 std::string body;
                 int result = agent->get_user_print_info(&http_code, &body);
-                if (result == 0) {
-                    m_print_info = body;
-                } else {
-                    m_print_info = "";
-                }
-                wxCommandEvent event(EVT_UPDATE_USER_MACHINE_LIST);
-                event.SetEventObject(this);
-                wxPostEvent(this, event);
+                CallAfter([token, this, result, body]() {
+                    if (token.expired()) {return;}
+                    if (result == 0) {
+                        m_print_info = body;
+                    }
+                    else {
+                        m_print_info = "";
+                    }
+                    wxCommandEvent event(EVT_UPDATE_USER_MACHINE_LIST);
+                    event.SetEventObject(this);
+                    wxPostEvent(this, event);
+                });
             }));
         }
     }
@@ -2828,20 +2832,23 @@ void SelectMachineDialog::update_user_machine_list()
 {
     NetworkAgent* m_agent = wxGetApp().getAgent();
     if (m_agent && m_agent->is_user_login()) {
-        boost::thread get_print_info_thread = Slic3r::create_thread([&] {
+        boost::thread get_print_info_thread = Slic3r::create_thread([this, token = std::weak_ptr(m_token)] {
             NetworkAgent* agent = wxGetApp().getAgent();
             unsigned int http_code;
             std::string body;
             int result = agent->get_user_print_info(&http_code, &body);
-            if (result == 0) {
-                m_print_info = body;
-            }
-            else {
-                m_print_info = "";
-            }
-            wxCommandEvent event(EVT_UPDATE_USER_MACHINE_LIST);
-            event.SetEventObject(this);
-            wxPostEvent(this, event);
+            CallAfter([token, this, result, body] {
+                if (token.expired()) {return;}
+                if (result == 0) {
+                    m_print_info = body;
+                }
+                else {
+                    m_print_info = "";
+                }
+                wxCommandEvent event(EVT_UPDATE_USER_MACHINE_LIST);
+                event.SetEventObject(this);
+                wxPostEvent(this, event);
+            });
         });
     } else {
         wxCommandEvent event(EVT_UPDATE_USER_MACHINE_LIST);
diff --git a/src/slic3r/GUI/SelectMachine.hpp b/src/slic3r/GUI/SelectMachine.hpp
index beaebfd42..45e3bab67 100644
--- a/src/slic3r/GUI/SelectMachine.hpp
+++ b/src/slic3r/GUI/SelectMachine.hpp
@@ -215,7 +215,8 @@ private:
     std::vector<MachinePanel*>        m_user_list_machine_panel;
     std::vector<MachinePanel*>        m_other_list_machine_panel;
     boost::thread*                    get_print_info_thread{ nullptr };
-    std::string                       m_print_info;
+    std::shared_ptr<int>              m_token = std::make_shared<int>(0);
+    std::string                       m_print_info = "";
     bool                              m_dismiss { false };
 
     std::map<std::string, MachineObject*> m_bind_machine_list; 
@@ -304,6 +305,7 @@ private:
     wxColour                            m_colour_bold_color{wxColour(38, 46, 48)};
     StateColor                          m_btn_bg_enable;
     
+    std::shared_ptr<int>                m_token = std::make_shared<int>(0);
     std::map<std::string, CheckBox *>   m_checkbox_list;
     //std::map<std::string, bool>         m_checkbox_state_list;
     std::vector<wxString>               m_bedtype_list;
diff --git a/src/slic3r/GUI/SendToPrinter.cpp b/src/slic3r/GUI/SendToPrinter.cpp
index 7ae14888d..c8d08c286 100644
--- a/src/slic3r/GUI/SendToPrinter.cpp
+++ b/src/slic3r/GUI/SendToPrinter.cpp
@@ -824,20 +824,23 @@ void SendToPrinterDialog::update_user_machine_list()
 {
     NetworkAgent* m_agent = wxGetApp().getAgent();
     if (m_agent && m_agent->is_user_login()) {
-        boost::thread get_print_info_thread = Slic3r::create_thread([&] {
+        boost::thread get_print_info_thread = Slic3r::create_thread([this, token = std::weak_ptr(m_token)] {
             NetworkAgent* agent = wxGetApp().getAgent();
             unsigned int http_code;
             std::string body;
             int result = agent->get_user_print_info(&http_code, &body);
-            if (result == 0) {
-                m_print_info = body;
-            }
-            else {
-                m_print_info = "";
-            }
-            wxCommandEvent event(EVT_UPDATE_USER_MACHINE_LIST);
-            event.SetEventObject(this);
-            wxPostEvent(this, event);
+            CallAfter([token, this, result, body] {
+                if (token.expired()) {return;}
+                if (result == 0) {
+                    m_print_info = body;
+                }
+                else {
+                    m_print_info = "";
+                }
+                wxCommandEvent event(EVT_UPDATE_USER_MACHINE_LIST);
+                event.SetEventObject(this);
+                wxPostEvent(this, event);
+            });
         });
     } else {
         wxCommandEvent event(EVT_UPDATE_USER_MACHINE_LIST);
diff --git a/src/slic3r/GUI/SendToPrinter.hpp b/src/slic3r/GUI/SendToPrinter.hpp
index 59984ab5d..6b348c665 100644
--- a/src/slic3r/GUI/SendToPrinter.hpp
+++ b/src/slic3r/GUI/SendToPrinter.hpp
@@ -114,7 +114,7 @@ private:
 	wxTimer*							m_refresh_timer{ nullptr };
     std::shared_ptr<BBLStatusBarSend>   m_status_bar;
 	wxScrolledWindow*                   m_sw_print_failed_info{nullptr};
-
+    std::shared_ptr<int>                m_token = std::make_shared<int>(0);
    
 public:
 	SendToPrinterDialog(Plater* plater = nullptr);
diff --git a/src/slic3r/GUI/StatusPanel.cpp b/src/slic3r/GUI/StatusPanel.cpp
index f8e240b12..9b8689a2e 100644
--- a/src/slic3r/GUI/StatusPanel.cpp
+++ b/src/slic3r/GUI/StatusPanel.cpp
@@ -2733,9 +2733,11 @@ void StatusPanel::update_basic_print_data(bool def)
 void StatusPanel::update_model_info()
 {
     auto get_subtask_fn = [this](BBLModelTask* subtask) {
-        if (obj && obj->subtask_id_ == subtask->task_id) {
-            obj->set_modeltask(subtask);
-        }
+        CallAfter([this, subtask]() { 
+            if (obj && obj->subtask_id_ == subtask->task_id) {
+                obj->set_modeltask(subtask);
+            }
+        });
     };