diff --git a/resources/profiles/Prusa.json b/resources/profiles/Prusa.json
index 4fecebfc82..548daf4e42 100644
--- a/resources/profiles/Prusa.json
+++ b/resources/profiles/Prusa.json
@@ -1,6 +1,6 @@
 {
     "name": "Prusa",
-    "version": "01.02.00.02",
+    "version": "01.02.00.03",
     "force_update": "0",
     "description": "Prusa configurations",
     "machine_model_list": [
diff --git a/resources/profiles/Prusa/machine/Prusa MK3S 0.4 nozzle.json b/resources/profiles/Prusa/machine/Prusa MK3S 0.4 nozzle.json
index f1f52683f6..a9e27656e2 100644
--- a/resources/profiles/Prusa/machine/Prusa MK3S 0.4 nozzle.json	
+++ b/resources/profiles/Prusa/machine/Prusa MK3S 0.4 nozzle.json	
@@ -23,7 +23,7 @@
     "0x210"
   ],
   "printable_height": "210",
-  "machine_start_gcode": "M862.3 P \"[printer_model]\" ; printer model check\nG90 ; use absolute coordinates\nM83 ; extruder relative mode\nM104 S170 ; set extruder temp for bed leveling\nM140 S[bed_temperature_initial_layer_single] ; set bed temp\nM109 R170 ; wait for bed leveling temp\nM190 S[bed_temperature_initial_layer_single] ; wait for bed temp\nM204 T1250 ; set travel acceleration\nG28 ; home all without mesh bed level\nG29 ; mesh bed leveling \nM204 T[machine_max_acceleration_travel] ; restore travel acceleration\nM104 S[nozzle_temperature_initial_layer] ; set extruder temp\nG92 E0\nG1 Y-2 X179 F2400\nG1 Z3 F720\nM109 S[nozzle_temperature_initial_layer] ; wait for extruder temp\n\n; intro line\nG1 X170 F1000\nG1 Z0.2 F720\nG1 X110 E8 F900\nG1 X40 E10 F700\nG92 E0\n\nM221 S95 ; set flow",
+  "machine_start_gcode": "G90 ; use absolute coordinates\nM83 ; extruder relative mode\nM104 S170 ; set extruder temp for bed leveling\nM140 S[bed_temperature_initial_layer_single] ; set bed temp\nM109 R170 ; wait for bed leveling temp\nM190 S[bed_temperature_initial_layer_single] ; wait for bed temp\nM204 T1250 ; set travel acceleration\nG28 ; home all without mesh bed level\nG29 ; mesh bed leveling \nM204 T[machine_max_acceleration_travel] ; restore travel acceleration\nM104 S[nozzle_temperature_initial_layer] ; set extruder temp\nG92 E0\nG1 Y-2 X179 F2400\nG1 Z3 F720\nM109 S[nozzle_temperature_initial_layer] ; wait for extruder temp\n\n; intro line\nG1 X170 F1000\nG1 Z0.2 F720\nG1 X110 E8 F900\nG1 X40 E10 F700\nG92 E0\n\nM221 S95 ; set flow",
   "machine_end_gcode": "G1 E-1 F2100 ; retract\n{if max_layer_z < 210}G1 Z{min(max_layer_z+2, 210)} F720 ; Move print head up{endif}\nG1 X178 Y178 F4200 ; park print head\n{if max_layer_z < 210}G1 Z{min(max_layer_z+30, 210)} F720 ; Move print head further up{endif}\nG4 ; wait\nM104 S0 ; turn off temperature\nM140 S0 ; turn off heatbed\nM107 ; turn off fan\nM221 S100 ; reset flow\nM900 K0 ; reset LA\nM84 ; disable motors",
   "layer_change_gcode": "",
   "scan_first_layer": "0",
diff --git a/src/libslic3r/GCode.cpp b/src/libslic3r/GCode.cpp
index 42b3aa3a6c..2cc631c0f6 100644
--- a/src/libslic3r/GCode.cpp
+++ b/src/libslic3r/GCode.cpp
@@ -1499,7 +1499,7 @@ void GCode::_do_export(Print& print, GCodeOutputStream &file, ThumbnailsGenerato
     }
 
     // Disable fan.
-    if (print.config().close_fan_the_first_x_layers.get_at(initial_extruder_id)) {
+    if (m_config.auxiliary_fan.value && print.config().close_fan_the_first_x_layers.get_at(initial_extruder_id)) {
         file.write(m_writer.set_fan(0));
         //BBS: disable additional fan
         file.write(m_writer.set_additional_fan(0));
@@ -1806,7 +1806,8 @@ void GCode::_do_export(Print& print, GCodeOutputStream &file, ThumbnailsGenerato
     file.write(this->retract(false, true));
     file.write(m_writer.set_fan(0));
     //BBS: make sure the additional fan is closed when end
-    file.write(m_writer.set_additional_fan(0));
+    if(m_config.auxiliary_fan.value)
+        file.write(m_writer.set_additional_fan(0));
     if (is_bbl_printers) {
         //BBS: close spaghetti detector
         //Note: M981 is also used to tell xcam the last layer is finished, so we need always send it even if spaghetti option is disabled.
diff --git a/src/libslic3r/GCode/CoolingBuffer.cpp b/src/libslic3r/GCode/CoolingBuffer.cpp
index a7faa7c502..dfdd19f031 100644
--- a/src/libslic3r/GCode/CoolingBuffer.cpp
+++ b/src/libslic3r/GCode/CoolingBuffer.cpp
@@ -774,7 +774,7 @@ std::string CoolingBuffer::apply_layer_cooldown(
             new_gcode  += GCodeWriter::set_fan(m_config.gcode_flavor, m_fan_speed);
         }
         //BBS
-        if (additional_fan_speed_new != m_additional_fan_speed) {
+        if (additional_fan_speed_new != m_additional_fan_speed && m_config.auxiliary_fan.value) {
             m_additional_fan_speed = additional_fan_speed_new;
             new_gcode += GCodeWriter::set_additional_fan(m_additional_fan_speed);
         }
@@ -811,7 +811,7 @@ std::string CoolingBuffer::apply_layer_cooldown(
             //BBS: force to write a fan speed command again
             if (m_current_fan_speed != -1)
                 new_gcode += GCodeWriter::set_fan(m_config.gcode_flavor, m_current_fan_speed);
-            if (m_additional_fan_speed != -1)
+            if (m_additional_fan_speed != -1 && m_config.auxiliary_fan.value)
                 new_gcode += GCodeWriter::set_additional_fan(m_additional_fan_speed);
         }
         else if (line->type & CoolingLine::TYPE_EXTRUDE_END) {
diff --git a/version.inc b/version.inc
index bf5a197807..45c08e281a 100644
--- a/version.inc
+++ b/version.inc
@@ -11,4 +11,4 @@ if(NOT DEFINED BBL_INTERNAL_TESTING)
 set(BBL_INTERNAL_TESTING "1")
 endif()
 set(SLIC3R_VERSION "01.03.00.12")
-set(SoftFever_VERSION "1.3.2 beta2")
+set(SoftFever_VERSION "1.3.2 beta3")