diff --git a/src/slic3r/GUI/GUI_App.cpp b/src/slic3r/GUI/GUI_App.cpp
index 03a85e9f34..befd26dc89 100644
--- a/src/slic3r/GUI/GUI_App.cpp
+++ b/src/slic3r/GUI/GUI_App.cpp
@@ -4099,27 +4099,9 @@ void GUI_App::on_user_login_handle(wxCommandEvent &evt)
 void GUI_App::check_track_enable()
 {
     // Orca: alaways disable track event
-    return;
-    if (app_config && app_config->get("firstguide", "privacyuse") == "true") {
-        //enable track event
-        json header_json;
-        header_json["ver"] = SLIC3R_VERSION;
-        wxString os_desc = wxGetOsDescription();
-        int major = 0, minor = 0, micro = 0;
-        header_json["os"] = std::string(os_desc.ToUTF8());
-        header_json["name"] = std::string(SLIC3R_APP_NAME);
-        header_json["uuid"] = app_config->get("slicer_uuid");
-        if (m_agent) {
-            m_agent->track_enable(true);
-            m_agent->track_header(header_json.dump());
-        }
-        /* record studio start event */
-        json j;
-        j["user_mode"] = this->get_mode_str();
-        j["open_method"] = m_open_method;
-        if (m_agent) {
-            m_agent->track_event("studio_launch", j.dump());
-        }
+    if (m_agent) {
+        m_agent->track_enable(false);
+        m_agent->track_remove_files();
     }
 }
 
diff --git a/src/slic3r/Utils/NetworkAgent.cpp b/src/slic3r/Utils/NetworkAgent.cpp
index 9d2f0d82f1..57f3b02877 100644
--- a/src/slic3r/Utils/NetworkAgent.cpp
+++ b/src/slic3r/Utils/NetworkAgent.cpp
@@ -9,7 +9,6 @@
 #include <boost/log/trivial.hpp>
 #include "libslic3r/Utils.hpp"
 #include "NetworkAgent.hpp"
-#include <type_traits>
 
 
 
@@ -115,6 +114,7 @@ func_get_model_mall_detail_url      NetworkAgent::get_model_mall_detail_url_ptr
 func_get_subtask                    NetworkAgent::get_subtask_ptr = nullptr;
 func_get_my_profile                 NetworkAgent::get_my_profile_ptr = nullptr;
 func_track_enable                   NetworkAgent::track_enable_ptr = nullptr;
+func_track_remove_files             NetworkAgent::track_remove_files_ptr = nullptr;
 func_track_event                    NetworkAgent::track_event_ptr = nullptr;
 func_track_header                   NetworkAgent::track_header_ptr = nullptr;
 func_track_update_property          NetworkAgent::track_update_property_ptr = nullptr;
@@ -124,6 +124,8 @@ func_get_oss_config                 NetworkAgent::get_oss_config_ptr = nullptr;
 func_put_rating_picture_oss         NetworkAgent::put_rating_picture_oss_ptr = nullptr;
 func_get_model_mall_rating_result   NetworkAgent::get_model_mall_rating_result_ptr  = nullptr;
 
+func_get_mw_user_preference         NetworkAgent::get_mw_user_preference_ptr = nullptr;
+func_get_mw_user_4ulist             NetworkAgent::get_mw_user_4ulist_ptr     = nullptr;
 
 NetworkAgent::NetworkAgent(std::string log_dir)
 {
@@ -273,8 +275,8 @@ int NetworkAgent::initialize_network_module(bool using_backup)
     get_slice_info_ptr                =  reinterpret_cast<func_get_slice_info>(get_network_function("bambu_network_get_slice_info"));
     query_bind_status_ptr             =  reinterpret_cast<func_query_bind_status>(get_network_function("bambu_network_query_bind_status"));
     modify_printer_name_ptr           =  reinterpret_cast<func_modify_printer_name>(get_network_function("bambu_network_modify_printer_name"));
-    get_camera_url_ptr                = reinterpret_cast<func_get_camera_url>(get_network_function("bambu_network_get_camera_url"));
-    get_design_staffpick_ptr          = reinterpret_cast<func_get_design_staffpick>(get_network_function("bambu_network_get_design_staffpick"));
+    get_camera_url_ptr                =  reinterpret_cast<func_get_camera_url>(get_network_function("bambu_network_get_camera_url"));
+    get_design_staffpick_ptr          =  reinterpret_cast<func_get_design_staffpick>(get_network_function("bambu_network_get_design_staffpick"));
     start_publish_ptr                 =  reinterpret_cast<func_start_pubilsh>(get_network_function("bambu_network_start_publish"));
     get_profile_3mf_ptr               =  reinterpret_cast<func_get_profile_3mf>(get_network_function("bambu_network_get_profile_3mf"));
     get_model_publish_url_ptr         =  reinterpret_cast<func_get_model_publish_url>(get_network_function("bambu_network_get_model_publish_url"));
@@ -283,6 +285,7 @@ int NetworkAgent::initialize_network_module(bool using_backup)
     get_model_mall_detail_url_ptr     =  reinterpret_cast<func_get_model_mall_detail_url>(get_network_function("bambu_network_get_model_mall_detail_url"));
     get_my_profile_ptr                =  reinterpret_cast<func_get_my_profile>(get_network_function("bambu_network_get_my_profile"));
     track_enable_ptr                  =  reinterpret_cast<func_track_enable>(get_network_function("bambu_network_track_enable"));
+    track_remove_files_ptr            =  reinterpret_cast<func_track_remove_files>(get_network_function("bambu_network_track_remove_files"));
     track_event_ptr                   =  reinterpret_cast<func_track_event>(get_network_function("bambu_network_track_event"));
     track_header_ptr                  =  reinterpret_cast<func_track_header>(get_network_function("bambu_network_track_header"));
     track_update_property_ptr         = reinterpret_cast<func_track_update_property>(get_network_function("bambu_network_track_update_property"));
@@ -292,6 +295,9 @@ int NetworkAgent::initialize_network_module(bool using_backup)
     put_rating_picture_oss_ptr        = reinterpret_cast<func_put_rating_picture_oss>(get_network_function("bambu_network_put_rating_picture_oss"));
     get_model_mall_rating_result_ptr  = reinterpret_cast<func_get_model_mall_rating_result>(get_network_function("bambu_network_get_model_mall_rating"));
 
+    get_mw_user_preference_ptr = reinterpret_cast<func_get_mw_user_preference>(get_network_function("bambu_network_get_mw_user_preference"));
+    get_mw_user_4ulist_ptr     = reinterpret_cast<func_get_mw_user_4ulist>(get_network_function("bambu_network_get_mw_user_4ulist")); 
+
     return 0;
 }
 
@@ -399,6 +405,7 @@ int NetworkAgent::unload_network_module()
     get_model_mall_detail_url_ptr     =  nullptr;
     get_my_profile_ptr                =  nullptr;
     track_enable_ptr                  =  nullptr;
+    track_remove_files_ptr            =  nullptr;
     track_event_ptr                   =  nullptr;
     track_header_ptr                  =  nullptr;
     track_update_property_ptr         =  nullptr;
@@ -407,6 +414,9 @@ int NetworkAgent::unload_network_module()
     put_rating_picture_oss_ptr        =  nullptr;
     put_model_mall_rating_url_ptr     =  nullptr;
     get_model_mall_rating_result_ptr  = nullptr;
+    
+    get_mw_user_preference_ptr        = nullptr;
+    get_mw_user_4ulist_ptr            = nullptr;
 
     return 0;
 }
@@ -1298,6 +1308,27 @@ int NetworkAgent::get_design_staffpick(int offset, int limit, std::function<void
     return ret;
 }
 
+int NetworkAgent::get_mw_user_preference(std::function<void(std::string)> callback)
+{
+    int ret = 0;
+    if (network_agent && get_mw_user_preference_ptr) {
+        ret = get_mw_user_preference_ptr(network_agent,callback);
+        if (ret) BOOST_LOG_TRIVIAL(error) << __FUNCTION__ << boost::format(" error: network_agent=%1%, ret=%2%") % network_agent % ret;
+    }
+    return ret;
+}
+
+
+int NetworkAgent::get_mw_user_4ulist(int seed, int limit, std::function<void(std::string)> callback)
+{
+    int ret = 0;
+    if (network_agent && get_mw_user_4ulist_ptr) {
+        ret = get_mw_user_4ulist_ptr(network_agent,seed, limit, callback);
+        if (ret) BOOST_LOG_TRIVIAL(error) << __FUNCTION__ << boost::format(" error: network_agent=%1%, ret=%2%") % network_agent % ret;
+    }
+    return ret;
+}
+
 int NetworkAgent::start_publish(PublishParams params, OnUpdateStatusFn update_fn, WasCancelledFn cancel_fn, std::string *out)
 {
     int ret = 0;
@@ -1387,9 +1418,18 @@ int NetworkAgent::track_enable(bool enable)
     return ret;
 }
 
+int NetworkAgent::track_remove_files()
+{
+    int ret = 0;
+    if (network_agent && track_remove_files_ptr) {
+        ret = track_remove_files_ptr(network_agent);
+        if (ret) BOOST_LOG_TRIVIAL(error) << __FUNCTION__ << boost::format("error network_agnet=%1%, ret = %2%") % network_agent % ret;
+    }
+    return ret;
+}
+
 int NetworkAgent::track_event(std::string evt_key, std::string content)
 {
-    // Orca: disable track
     return 0;
     if (!this->enable_track)
         return 0;
diff --git a/src/slic3r/Utils/NetworkAgent.hpp b/src/slic3r/Utils/NetworkAgent.hpp
index d8f8e604b4..d62fa1a7a5 100644
--- a/src/slic3r/Utils/NetworkAgent.hpp
+++ b/src/slic3r/Utils/NetworkAgent.hpp
@@ -94,6 +94,7 @@ typedef int (*func_get_model_mall_home_url)(void *agent, std::string* url);
 typedef int (*func_get_model_mall_detail_url)(void *agent, std::string* url, std::string id);
 typedef int (*func_get_my_profile)(void *agent, std::string token, unsigned int *http_code, std::string *http_body);
 typedef int (*func_track_enable)(void *agent, bool enable);
+typedef int (*func_track_remove_files)(void *agent);
 typedef int (*func_track_event)(void *agent, std::string evt_key, std::string content);
 typedef int (*func_track_header)(void *agent, std::string header);
 typedef int (*func_track_update_property)(void *agent, std::string name, std::string value, std::string type);
@@ -105,6 +106,8 @@ typedef int (*func_put_rating_picture_oss)(
     void *agent, std::string &config, std::string &pic_oss_path, std::string model_id, int profile_id, unsigned int &http_code, std::string &http_error);
 typedef int (*func_get_model_mall_rating_result)(void *agent, int job_id, std::string &rating_result, unsigned int &http_code, std::string &http_error);
 
+typedef int (*func_get_mw_user_preference)(void *agent, std::function<void(std::string)> callback);
+typedef int (*func_get_mw_user_4ulist)(void *agent, int seed, int limit, std::function<void(std::string)> callback);
 
 //the NetworkAgent class
 class NetworkAgent
@@ -206,6 +209,7 @@ public:
     int get_model_mall_detail_url(std::string* url, std::string id);
     int get_my_profile(std::string token, unsigned int* http_code, std::string* http_body);
     int track_enable(bool enable);
+    int track_remove_files();
     int track_event(std::string evt_key, std::string content);
     int track_header(std::string header);
     int track_update_property(std::string name, std::string value, std::string type = "string");
@@ -215,6 +219,10 @@ public:
     int put_rating_picture_oss(std::string &config, std::string &pic_oss_path, std::string model_id, int profile_id, unsigned int &http_code, std::string &http_error);
     int get_model_mall_rating_result(int job_id, std::string &rating_result, unsigned int &http_code, std::string &http_error);
     bool get_track_enable() { return enable_track; }
+
+    int get_mw_user_preference(std::function<void(std::string)> callback);
+    int get_mw_user_4ulist(int seed, int limit, std::function<void(std::string)> callback);
+
 private:
     bool enable_track = false;
     void*                   network_agent { nullptr };
@@ -306,6 +314,7 @@ private:
     static func_get_model_mall_detail_url      get_model_mall_detail_url_ptr;
     static func_get_my_profile                 get_my_profile_ptr;
     static func_track_enable                   track_enable_ptr;
+    static func_track_remove_files             track_remove_files_ptr;
     static func_track_event                    track_event_ptr;
     static func_track_header                   track_header_ptr;
     static func_track_update_property          track_update_property_ptr;
@@ -314,6 +323,9 @@ private:
     static func_get_oss_config                 get_oss_config_ptr;
     static func_put_rating_picture_oss         put_rating_picture_oss_ptr;
     static func_get_model_mall_rating_result   get_model_mall_rating_result_ptr;
+
+    static func_get_mw_user_preference get_mw_user_preference_ptr;
+    static func_get_mw_user_4ulist     get_mw_user_4ulist_ptr;
 };
 
 }