diff --git a/src/slic3r/GUI/PartPlate.cpp b/src/slic3r/GUI/PartPlate.cpp
index 05c8c6b4c..e0853cb9f 100644
--- a/src/slic3r/GUI/PartPlate.cpp
+++ b/src/slic3r/GUI/PartPlate.cpp
@@ -977,14 +977,9 @@ void PartPlate::release_opengl_resource()
 std::vector<int> PartPlate::get_extruders(bool conside_custom_gcode) const
 {
 	std::vector<int> plate_extruders;
-	// if gcode.3mf file
-	if (m_model->objects.empty()) {
-		for (int i = 0; i < slice_filaments_info.size(); i++) {
-			plate_extruders.push_back(slice_filaments_info[i].id + 1);
-		}
-		return plate_extruders;
-	}
-
+    if (check_objects_empty_and_gcode3mf(plate_extruders)) {
+        return plate_extruders;
+    }
 	// if 3mf file
 	const DynamicPrintConfig& glb_config = wxGetApp().preset_bundle->prints.get_edited_preset().config;
 	int glb_support_intf_extr = glb_config.opt_int("support_interface_filament");
@@ -1155,17 +1150,25 @@ std::vector<int> PartPlate::get_extruders_under_cli(bool conside_custom_gcode, D
     return plate_extruders;
 }
 
+bool PartPlate::check_objects_empty_and_gcode3mf(std::vector<int> &result) const
+{
+    if (m_model->objects.empty()) {//objects is empty
+        if (wxGetApp().plater()->is_gcode_3mf()) { // if gcode.3mf file
+            for (int i = 0; i < slice_filaments_info.size(); i++) {
+                result.push_back(slice_filaments_info[i].id + 1);
+            }
+        }
+        return true;
+    }
+    return false;
+}
+
 std::vector<int> PartPlate::get_extruders_without_support(bool conside_custom_gcode) const
 {
 	std::vector<int> plate_extruders;
-	// if gcode.3mf file
-	if (m_model->objects.empty()) {
-		for (int i = 0; i < slice_filaments_info.size(); i++) {
-			plate_extruders.push_back(slice_filaments_info[i].id + 1);
-		}
-		return plate_extruders;
-	}
-
+    if (check_objects_empty_and_gcode3mf(plate_extruders)) {
+        return plate_extruders;
+    }
 	// if 3mf file
 	const DynamicPrintConfig& glb_config = wxGetApp().preset_bundle->prints.get_edited_preset().config;
 
@@ -1203,13 +1206,9 @@ std::vector<int> PartPlate::get_extruders_without_support(bool conside_custom_gc
 std::vector<int> PartPlate::get_used_extruders()
 {
 	std::vector<int> used_extruders;
-	// if gcode.3mf file
-	if (m_model->objects.empty()) {
-		for (int i = 0; i < slice_filaments_info.size(); i++) {
-			used_extruders.push_back(slice_filaments_info[i].id + 1);
-		}
-		return used_extruders;
-	}
+    if (check_objects_empty_and_gcode3mf(used_extruders)) {
+        return used_extruders;
+    }
 
 	GCodeProcessorResult* result = get_slice_result();
 	if (!result)
diff --git a/src/slic3r/GUI/PartPlate.hpp b/src/slic3r/GUI/PartPlate.hpp
index d6930eacc..105fa7700 100644
--- a/src/slic3r/GUI/PartPlate.hpp
+++ b/src/slic3r/GUI/PartPlate.hpp
@@ -288,6 +288,7 @@ public:
     Vec3d get_origin() { return m_origin; }
     Vec3d estimate_wipe_tower_size(const DynamicPrintConfig & config, const double w, const double wipe_volume, int plate_extruder_size = 0, bool use_global_objects = false) const;
     arrangement::ArrangePolygon estimate_wipe_tower_polygon(const DynamicPrintConfig & config, int plate_index, int plate_extruder_size = 0, bool use_global_objects = false) const;
+    bool check_objects_empty_and_gcode3mf(std::vector<int> &result) const;
     std::vector<int> get_extruders(bool conside_custom_gcode = false) const;
     std::vector<int> get_extruders_under_cli(bool conside_custom_gcode, DynamicPrintConfig& full_config) const;
     std::vector<int> get_extruders_without_support(bool conside_custom_gcode = false) const;
diff --git a/src/slic3r/GUI/Plater.hpp b/src/slic3r/GUI/Plater.hpp
index 9480aad0a..fc6d502e8 100644
--- a/src/slic3r/GUI/Plater.hpp
+++ b/src/slic3r/GUI/Plater.hpp
@@ -265,6 +265,7 @@ public:
     void calib_VFA(const Calib_Params &params);
 
     //BBS: add only gcode mode
+    bool is_gcode_3mf() { return m_only_gcode && m_exported_file; }
     bool only_gcode_mode() { return m_only_gcode; }
     void set_only_gcode(bool only_gcode) { m_only_gcode = only_gcode; }