diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index d9e290df9..a3229b415 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -1006,7 +1006,6 @@ void GUI_App::post_init()
     bool switch_to_3d = false;
     if (!this->init_params->input_files.empty()) {
 
-
         BOOST_LOG_TRIVIAL(info) << __FUNCTION__ << boost::format(", init with input files, size %1%, input_gcode %2%")
             %this->init_params->input_files.size() %this->init_params->input_gcode;
 
@@ -1027,7 +1026,7 @@ void GUI_App::post_init()
             BOOST_LOG_TRIVIAL(info) << __FUNCTION__ << boost::format("download_url %1%") % download_url;
 
            if (!download_url.empty()) {
-                request_model_download(download_url);
+                request_model_download(from_u8(download_url));
            }
  
         }
@@ -3897,7 +3896,7 @@ void GUI_App::handle_script_message(std::string msg)
     }
 }
 
-void GUI_App::request_model_download(std::string url)
+void GUI_App::request_model_download(wxString url)
 {
     if (plater_) {
         plater_->request_model_download(url);
diff --git a/src/slic3r/GUI/GUI_App.hpp b/src/slic3r/GUI/GUI_App.hpp
index d07f23981..fc458e3ed 100644
--- a/src/slic3r/GUI/GUI_App.hpp
+++ b/src/slic3r/GUI/GUI_App.hpp
@@ -407,7 +407,7 @@ public:
     int             request_user_unbind(std::string dev_id);
     std::string     handle_web_request(std::string cmd);
     void            handle_script_message(std::string msg);
-    void            request_model_download(std::string url);
+    void            request_model_download(wxString url);
     void            download_project(std::string project_id);
     void            request_project_download(std::string project_id);
     void            request_open_project(std::string project_id);
diff --git a/src/slic3r/GUI/Plater.cpp b/src/slic3r/GUI/Plater.cpp
index 3f6666432..70ad88856 100644
--- a/src/slic3r/GUI/Plater.cpp
+++ b/src/slic3r/GUI/Plater.cpp
@@ -6304,7 +6304,7 @@ void Plater::priv::on_action_request_model_id(wxCommandEvent& evt)
 {
     BOOST_LOG_TRIVIAL(debug) << __FUNCTION__ << ":received import model id event\n" ;
     if (q != nullptr) {
-        q->import_model_id(evt.GetString().ToStdString());
+        q->import_model_id(evt.GetString());
     }
 }
 
@@ -7833,10 +7833,11 @@ int Plater::save_project(bool saveAs)
 }
 
 //BBS import model by model id
-void Plater::import_model_id(const std::string& download_info)
+void Plater::import_model_id(wxString download_info)
 {
-    std::string download_origin_url = wxGetApp().url_decode(download_info);
+    //std::string download_origin_url = wxGetApp().url_decode(download_info.ToStdString());
 
+    std::string download_origin_url = download_info.ToStdString();
     std::string download_url;
     std::string filename;
 
@@ -7847,7 +7848,6 @@ void Plater::import_model_id(const std::string& download_info)
 
             download_url = origin_array[0];
             filename = origin_array[1];
-
         }
         else if (!download_origin_url.empty()) {
 
@@ -7954,7 +7954,8 @@ void Plater::import_model_id(const std::string& download_info)
         }
 
         //target_path /= (boost::format("%1%_%2%.3mf") % filename % unique).str();
-        target_path /= filename.c_str();
+        target_path /= fs::path(wxString(filename));
+
         fs::path tmp_path = target_path;
         tmp_path += format(".%1%", ".download");
 
@@ -8006,6 +8007,7 @@ void Plater::import_model_id(const std::string& download_info)
     if (import_thread.joinable())
         import_thread.join();
 
+    dlg.Hide();
     dlg.Close();
     if (download_ok) {
         BOOST_LOG_TRIVIAL(trace) << "import_model_id: target_path = " << target_path.string();
@@ -8021,7 +8023,7 @@ void Plater::import_model_id(const std::string& download_info)
         }
 
         // show save new project
-        p->set_project_filename(wxString::FromUTF8(filename));
+        p->set_project_filename(wxString(filename));
     }
     else {
         wxMessageBox(msg);
@@ -8035,7 +8037,7 @@ void Plater::download_project(const wxString& project_id)
     return;
 }
 
-void Plater::request_model_download(std::string url)
+void Plater::request_model_download(wxString url)
 {
     wxCommandEvent* event = new wxCommandEvent(EVT_IMPORT_MODEL_ID);
     event->SetString(url);
diff --git a/src/slic3r/GUI/Plater.hpp b/src/slic3r/GUI/Plater.hpp
index 537f662d0..997f8403a 100644
--- a/src/slic3r/GUI/Plater.hpp
+++ b/src/slic3r/GUI/Plater.hpp
@@ -212,9 +212,9 @@ public:
     void load_project(wxString const & filename = "", wxString const & originfile = "-");
     int save_project(bool saveAs = false);
     //BBS download project by project id
-    void import_model_id(const std::string& download_info);
+    void import_model_id(wxString download_info);
     void download_project(const wxString& project_id);
-    void request_model_download(std::string url);
+    void request_model_download(wxString url);
     void request_download_project(std::string project_id);
     // BBS: check snapshot
     bool up_to_date(bool saved, bool backup);