diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index b53086a3f..045d45fd6 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -4503,7 +4503,15 @@ void GUI_App::on_http_error(wxCommandEvent &evt)
             m_show_error_msgdlg = false;
             return;
         }
-
+    }
+    else if (status == 400 && code == HttpErrorCertRevoked) {
+        if (!m_show_error_msgdlg) {
+            MessageDialog msg_dlg(nullptr, _L("Your software certificate has been revoked, please update Bambu Studio software."), "", wxAPPLY | wxOK);
+            m_show_error_msgdlg = true;
+            auto modal_result = msg_dlg.ShowModal();
+            m_show_error_msgdlg = false;
+            return;
+        }
     }
 
     // request login
diff --git a/src/slic3r/Utils/Http.hpp b/src/slic3r/Utils/Http.hpp
index c7f7ac2cd..5a6cabcc2 100644
--- a/src/slic3r/Utils/Http.hpp
+++ b/src/slic3r/Utils/Http.hpp
@@ -29,6 +29,7 @@ enum HttpErrorCode
 	HttpErrorTimeout			= 13,
 	HttpErrorResourcesExhaust   = 14,
 	HttpErrorVersionLimited		= 15,
+	HttpErrorCertRevoked		= 101,
 };
 
 /// Represetns a Http request