diff --git a/resources/profiles/BBL.json b/resources/profiles/BBL.json
index a886c20ef..6349853c5 100644
--- a/resources/profiles/BBL.json
+++ b/resources/profiles/BBL.json
@@ -1,7 +1,7 @@
 {
     "name": "Bambulab",
     "url": "http://www.bambulab.com/Parameters/vendor/BBL.json",
-    "version": "02.00.00.85",
+    "version": "02.00.00.86",
     "force_update": "0",
     "description": "the initial version of BBL configurations",
     "machine_model_list": [
diff --git a/resources/profiles/BBL/machine/Bambu Lab H2D 0.2 nozzle.json b/resources/profiles/BBL/machine/Bambu Lab H2D 0.2 nozzle.json
index db698650a..c32673d9e 100644
--- a/resources/profiles/BBL/machine/Bambu Lab H2D 0.2 nozzle.json	
+++ b/resources/profiles/BBL/machine/Bambu Lab H2D 0.2 nozzle.json	
@@ -20,6 +20,5 @@
         "0.4",
         "0.4",
         "0.4"
-    ],
-    "layer_change_gcode": ";======== H2D 20250409========\n; layer num/total_layer_count: {layer_num+1}/[total_layer_count]\n; update layer progress\nM73 L{layer_num+1}\nM991 S0 P{layer_num} ;notify layer change\n\n{if !spiral_mode && print_sequence != \"by object\" && filament_type[initial_no_support_extruder] != \"TPU\"}\n    M622.1 S0 ; for previous firmware, default turn off\n    M1002 set_flag g39_forced_detection_flag=1\n    M1002 judge_flag g39_forced_detection_flag\n    M622 J1\n        {if layer_num == 3}\n            M993 A2 B2 C2 ; nozzle cam detection allow status save.\n            M993 A0 B0 C0 ; nozzle cam detection not allowed.\n            \n            G39 R-0.8 E0.8 M30 N{filament_max_volumetric_speed[initial_no_support_extruder]/2.4053}\n            G130 O0 X285 Y-0.5 Z0.8 F{filament_max_volumetric_speed[initial_no_support_extruder]/2/2.4053} L10 E2 D0\n            M83\n            G1 E{-retraction_length} F1800\n            G3 Z{layer_z + 0.4} I1.217 J0 P1  F60000\n            \n            M993 A3 B3 C3 ; nozzle cam detection allow status restore.\n        {elsif layer_z == 2}\n            M993 A2 B2 C2 ; nozzle cam detection allow status save.\n            M993 A0 B0 C0 ; nozzle cam detection not allowed.\n            \n            G39 R-0.8 E0.8 M30 N{filament_max_volumetric_speed[initial_no_support_extruder]/2.4053}\n            G130 O0 X290 Y-0.5 Z0.8 F{filament_max_volumetric_speed[initial_no_support_extruder]/2/2.4053} L10 E2 D0\n            M83\n            G1 E{-retraction_length} F1800\n            G3 Z{layer_z + 0.4} I1.217 J0 P1  F60000\n            \n            M993 A3 B3 C3 ; nozzle cam detection allow status restore.\n        {elsif layer_z == 4}\n            M993 A2 B2 C2 ; nozzle cam detection allow status save.\n            M993 A0 B0 C0 ; nozzle cam detection not allowed.\n            \n            G39 R-0.8 E0.8 M30 N{filament_max_volumetric_speed[initial_no_support_extruder]/2.4053}\n            G130 O0 X295 Y-0.5 Z0.8 F{filament_max_volumetric_speed[initial_no_support_extruder]/2/2.4053} L10 E2 D0\n            M83\n            G1 E{-retraction_length} F1800\n            G3 Z{layer_z + 0.4} I1.217 J0 P1  F60000\n            \n            M993 A3 B3 C3 ; nozzle cam detection allow status restore.\n        {endif}\n    M623\n{endif}\n"
+    ]
 }
\ No newline at end of file
diff --git a/resources/profiles/BBL/machine/Bambu Lab H2D 0.6 nozzle.json b/resources/profiles/BBL/machine/Bambu Lab H2D 0.6 nozzle.json
index 08dc58af1..7625665b7 100644
--- a/resources/profiles/BBL/machine/Bambu Lab H2D 0.6 nozzle.json	
+++ b/resources/profiles/BBL/machine/Bambu Lab H2D 0.6 nozzle.json	
@@ -28,6 +28,5 @@
         "1.4",
         "1.4",
         "1.4"
-    ],
-    "layer_change_gcode": ";======== H2D 20250409========\n; layer num/total_layer_count: {layer_num+1}/[total_layer_count]\n; update layer progress\nM73 L{layer_num+1}\nM991 S0 P{layer_num} ;notify layer change\n\n{if !spiral_mode && print_sequence != \"by object\" && filament_type[initial_no_support_extruder] != \"TPU\"}\n    M622.1 S0 ; for previous firmware, default turn off\n    M1002 set_flag g39_forced_detection_flag=1\n    M1002 judge_flag g39_forced_detection_flag\n    M622 J1\n        {if layer_num == 3}\n            M993 A2 B2 C2 ; nozzle cam detection allow status save.\n            M993 A0 B0 C0 ; nozzle cam detection not allowed.\n            \n            G39 R-0.8 E0.8 M30 N{filament_max_volumetric_speed[initial_no_support_extruder]/2.4053}\n            G130 O0 X285 Y-0.5 Z0.8 F{filament_max_volumetric_speed[initial_no_support_extruder]/2/2.4053} L10 E2 D0\n            M83\n            G1 E{-retraction_length} F1800\n            G3 Z{layer_z + 0.4} I1.217 J0 P1  F60000\n            \n            M993 A3 B3 C3 ; nozzle cam detection allow status restore.\n        {elsif layer_z == 2}\n            M993 A2 B2 C2 ; nozzle cam detection allow status save.\n            M993 A0 B0 C0 ; nozzle cam detection not allowed.\n            \n            G39 R-0.8 E0.8 M30 N{filament_max_volumetric_speed[initial_no_support_extruder]/2.4053}\n            G130 O0 X290 Y-0.5 Z0.8 F{filament_max_volumetric_speed[initial_no_support_extruder]/2/2.4053} L10 E2 D0\n            M83\n            G1 E{-retraction_length} F1800\n            G3 Z{layer_z + 0.4} I1.217 J0 P1  F60000\n            \n            M993 A3 B3 C3 ; nozzle cam detection allow status restore.\n        {elsif layer_z == 4}\n            M993 A2 B2 C2 ; nozzle cam detection allow status save.\n            M993 A0 B0 C0 ; nozzle cam detection not allowed.\n            \n            G39 R-0.8 E0.8 M30 N{filament_max_volumetric_speed[initial_no_support_extruder]/2.4053}\n            G130 O0 X295 Y-0.5 Z0.8 F{filament_max_volumetric_speed[initial_no_support_extruder]/2/2.4053} L10 E2 D0\n            M83\n            G1 E{-retraction_length} F1800\n            G3 Z{layer_z + 0.4} I1.217 J0 P1  F60000\n            \n            M993 A3 B3 C3 ; nozzle cam detection allow status restore.\n        {endif}\n    M623\n{endif}\n"
+    ]
 }
\ No newline at end of file
diff --git a/resources/profiles/BBL/machine/Bambu Lab H2D 0.8 nozzle.json b/resources/profiles/BBL/machine/Bambu Lab H2D 0.8 nozzle.json
index 4b4099bb5..9bf37eac5 100644
--- a/resources/profiles/BBL/machine/Bambu Lab H2D 0.8 nozzle.json	
+++ b/resources/profiles/BBL/machine/Bambu Lab H2D 0.8 nozzle.json	
@@ -28,6 +28,5 @@
         "3",
         "3",
         "3"
-    ],
-    "layer_change_gcode": ";======== H2D 20250409========\n; layer num/total_layer_count: {layer_num+1}/[total_layer_count]\n; update layer progress\nM73 L{layer_num+1}\nM991 S0 P{layer_num} ;notify layer change\n\n{if !spiral_mode && print_sequence != \"by object\" && filament_type[initial_no_support_extruder] != \"TPU\"}\n    M622.1 S0 ; for previous firmware, default turn off\n    M1002 set_flag g39_forced_detection_flag=1\n    M1002 judge_flag g39_forced_detection_flag\n    M622 J1\n        {if layer_num == 3}\n            M993 A2 B2 C2 ; nozzle cam detection allow status save.\n            M993 A0 B0 C0 ; nozzle cam detection not allowed.\n            \n            G39 R-0.8 E0.8 M30 N{filament_max_volumetric_speed[initial_no_support_extruder]/2.4053}\n            G130 O0 X285 Y-0.5 Z0.8 F{filament_max_volumetric_speed[initial_no_support_extruder]/2/2.4053} L10 E2 D0\n            M83\n            G1 E{-retraction_length} F1800\n            G3 Z{layer_z + 0.4} I1.217 J0 P1  F60000\n            \n            M993 A3 B3 C3 ; nozzle cam detection allow status restore.\n        {elsif layer_z == 2}\n            M993 A2 B2 C2 ; nozzle cam detection allow status save.\n            M993 A0 B0 C0 ; nozzle cam detection not allowed.\n            \n            G39 R-0.8 E0.8 M30 N{filament_max_volumetric_speed[initial_no_support_extruder]/2.4053}\n            G130 O0 X290 Y-0.5 Z0.8 F{filament_max_volumetric_speed[initial_no_support_extruder]/2/2.4053} L10 E2 D0\n            M83\n            G1 E{-retraction_length} F1800\n            G3 Z{layer_z + 0.4} I1.217 J0 P1  F60000\n            \n            M993 A3 B3 C3 ; nozzle cam detection allow status restore.\n        {elsif layer_z == 4}\n            M993 A2 B2 C2 ; nozzle cam detection allow status save.\n            M993 A0 B0 C0 ; nozzle cam detection not allowed.\n            \n            G39 R-0.8 E0.8 M30 N{filament_max_volumetric_speed[initial_no_support_extruder]/2.4053}\n            G130 O0 X295 Y-0.5 Z0.8 F{filament_max_volumetric_speed[initial_no_support_extruder]/2/2.4053} L10 E2 D0\n            M83\n            G1 E{-retraction_length} F1800\n            G3 Z{layer_z + 0.4} I1.217 J0 P1  F60000\n            \n            M993 A3 B3 C3 ; nozzle cam detection allow status restore.\n        {endif}\n    M623\n{endif}\n"
+    ]
 }
\ No newline at end of file