diff --git a/resources/profiles/Z-Bolt/machine/Z-Bolt S300 Dual 0.4 nozzle.json b/resources/profiles/Z-Bolt/machine/Z-Bolt S300 Dual 0.4 nozzle.json
index 2b6d1ddbab..a461caf5e7 100644
--- a/resources/profiles/Z-Bolt/machine/Z-Bolt S300 Dual 0.4 nozzle.json	
+++ b/resources/profiles/Z-Bolt/machine/Z-Bolt S300 Dual 0.4 nozzle.json	
@@ -26,5 +26,6 @@
     "retraction_minimum_travel": [
         "1"
     ],
+	"change_filament_gcode": "G91\nG1 Z{layer_z+z_hop[0]} F1000\nG90",
 	"machine_start_gcode": "START_PRINT TOOL_NR=[initial_tool] T_BED=[bed_temperature_initial_layer] T_EXTRUDER=[first_layer_temperature[initial_tool]] T_CHAMBER=[chamber_temperature] {if is_extruder_used[0]}T0_TEMP={first_layer_temperature[0]}{endif} {if is_extruder_used[1]}T1_TEMP={first_layer_temperature[1]}{endif}"
 }
\ No newline at end of file
diff --git a/resources/profiles/Z-Bolt/machine/Z-Bolt S400 Dual 0.4 nozzle.json b/resources/profiles/Z-Bolt/machine/Z-Bolt S400 Dual 0.4 nozzle.json
index 79f6224d80..29835e6a14 100644
--- a/resources/profiles/Z-Bolt/machine/Z-Bolt S400 Dual 0.4 nozzle.json	
+++ b/resources/profiles/Z-Bolt/machine/Z-Bolt S400 Dual 0.4 nozzle.json	
@@ -26,5 +26,6 @@
     "retraction_minimum_travel": [
         "1"
     ],
+	"change_filament_gcode": "G91\nG1 Z{layer_z+z_hop[0]} F1000\nG90",
 	"machine_start_gcode": "START_PRINT TOOL_NR=[initial_tool] T_BED=[bed_temperature_initial_layer] T_EXTRUDER=[first_layer_temperature[initial_tool]] T_CHAMBER=[chamber_temperature] {if is_extruder_used[0]}T0_TEMP={first_layer_temperature[0]}{endif} {if is_extruder_used[1]}T1_TEMP={first_layer_temperature[1]}{endif}"
 }
\ No newline at end of file
diff --git a/resources/profiles/Z-Bolt/machine/Z-Bolt S600 Dual 0.4 nozzle.json b/resources/profiles/Z-Bolt/machine/Z-Bolt S600 Dual 0.4 nozzle.json
index 5b4e05daad..ea8a9d3217 100644
--- a/resources/profiles/Z-Bolt/machine/Z-Bolt S600 Dual 0.4 nozzle.json	
+++ b/resources/profiles/Z-Bolt/machine/Z-Bolt S600 Dual 0.4 nozzle.json	
@@ -26,5 +26,6 @@
     "retraction_minimum_travel": [
         "1"
     ],
+	"change_filament_gcode": "G91\nG1 Z{layer_z+z_hop[0]} F1000\nG90",
 	"machine_start_gcode": "START_PRINT TOOL_NR=[initial_tool] T_BED=[bed_temperature_initial_layer] T_EXTRUDER=[first_layer_temperature[initial_tool]] T_CHAMBER=[chamber_temperature] {if is_extruder_used[0]}T0_TEMP={first_layer_temperature[0]}{endif} {if is_extruder_used[1]}T1_TEMP={first_layer_temperature[1]}{endif}"
 }
\ No newline at end of file
diff --git a/resources/profiles/Z-Bolt/process/fdm_process_common.json b/resources/profiles/Z-Bolt/process/fdm_process_common.json
index 1723f8835e..08e6d5c8a3 100644
--- a/resources/profiles/Z-Bolt/process/fdm_process_common.json
+++ b/resources/profiles/Z-Bolt/process/fdm_process_common.json
@@ -63,7 +63,7 @@
     "detect_thin_wall": "0",
     "top_surface_line_width": "0.42",
     "top_surface_speed": "30",
-    "travel_speed": "400",
+    "travel_speed": "300",
     "enable_prime_tower": "0",
     "prime_tower_width": "60",
     "xy_hole_compensation": "0",
diff --git a/resources/profiles/Z-Bolt/process/fdm_process_zbolt_common.json b/resources/profiles/Z-Bolt/process/fdm_process_zbolt_common.json
index ef3beba045..f05e9afc8c 100644
--- a/resources/profiles/Z-Bolt/process/fdm_process_zbolt_common.json
+++ b/resources/profiles/Z-Bolt/process/fdm_process_zbolt_common.json
@@ -58,6 +58,7 @@
     "support_object_xy_distance": "0.35",
     "tree_support_branch_diameter": "2",
     "tree_support_branch_angle": "45",
+    "tree_support_tip_diameter": "1",
     "tree_support_wall_count": "0",
     "max_bridge_length": "0",
     "top_surface_pattern": "monotonicline",
@@ -65,7 +66,7 @@
     "top_surface_speed": "200",
     "top_shell_layers": "3",
     "top_shell_thickness": "0.8",
-    "travel_speed": "400",
+    "travel_speed": "300",
     "enable_prime_tower": "1",
     "wipe_tower_no_sparse_layers": "0",
     "prime_tower_width": "20",