diff --git a/resources/printers/ams_load.gcode b/resources/printers/ams_load.gcode
new file mode 100644
index 0000000000..84ac404811
--- /dev/null
+++ b/resources/printers/ams_load.gcode
@@ -0,0 +1,66 @@
+M620 S[next_extruder]
+M106 P1 S255
+M104 S142
+M17 S
+M17 X0.5 Y0.5
+G91
+G1 Y-5 F3000
+G1 Z3.0 F1200
+G90
+G28 X
+M17 R
+
+G1 X70 F12000
+G1 Y245
+G1 Y265 F3000
+M400
+M106 P1 S0
+M109 S250
+G1 X90 F3000
+G1 Y255 F4000
+G1 X100 F5000
+G1 X120 F15000
+
+G1 X20 Y50 F12000
+G1 Y-3
+
+T[next_extruder]
+
+G1 X54  F12000
+G1 Y265
+M400
+M106 P1 S0
+G92 E0
+G1 E40 F200
+G92 E0
+G1 E-2 F300
+M400
+M109 S[new_filament_temp]
+M400
+M106 P1 S255
+M400 S3
+M106 P1 S0
+G1 X70  F9000
+G1 X76 F15000
+G1 X65 F15000
+G1 X76 F15000
+G1 X65 F15000
+
+G1 X70 F5000
+G1 X90 F3000
+G1 Y255 F4000
+G1 X100 F5000
+G1 Y265 F5000
+G1 X70 F10000
+G1 X100 F5000
+G1 X70 F10000
+G1 X100 F5000
+G1 X165 F15000
+G1 Y245
+G1 X70 F12000
+G1 Y265 F3000
+
+G91
+G1 Z-3.0 F1200
+G90
+M621 S[next_extruder]
\ No newline at end of file
diff --git a/resources/printers/ams_unload.gcode b/resources/printers/ams_unload.gcode
new file mode 100644
index 0000000000..3bda4f941d
--- /dev/null
+++ b/resources/printers/ams_unload.gcode
@@ -0,0 +1,34 @@
+M620 S255
+M106 P1 S255
+M104 S142
+M17 S
+M17 X0.5 Y0.5
+G91
+G1 Y-5 F3000
+G1 Z3.0 F1200
+G90
+G28 X
+M17 R
+
+G1 X70 F12000
+G1 Y245
+G1 Y265 F3000
+M400
+M106 P1 S0
+M109 S250
+G1 X90 F3000
+G1 Y255 F4000
+G1 X100 F5000
+G1 X120 F12000
+
+G1 X20 Y50 F12000
+G1 Y-3
+
+T255
+M104 S0
+G1 X70 F3000
+
+G91
+G1 Z-3.0 F1200
+G90
+M621 S255
\ No newline at end of file
diff --git a/src/slic3r/GUI/DeviceManager.cpp b/src/slic3r/GUI/DeviceManager.cpp
index 2b6baa3389..fdaf5a3a19 100644
--- a/src/slic3r/GUI/DeviceManager.cpp
+++ b/src/slic3r/GUI/DeviceManager.cpp
@@ -1520,20 +1520,9 @@ int MachineObject::command_ams_switch(int tray_index, int old_temp, int new_temp
 
     std::string gcode = "";
     if (tray_index == 255) {
-        // unload gcode
-        gcode = "M620 S255\nM104 S250\nG28 X\nG91\nG1 Z3.0 F1200\nG90\n"
-                "G1 X70 F12000\nG1 Y245\nG1 Y265 F3000\nM109 S250\nG1 X120 F12000\n"
-                "G1 X20 Y50 F12000\nG1 Y-3\nT255\nM104 S0\nG1 X165 F5000\nG1 Y245\n"
-                "G91\nG1 Z-3.0 F1200\nG90\nM621 S255\n";
+        gcode = DeviceManager::load_gcode(printer_type, "ams_unload.gcode");
     } else {
-        // load gcode
-        gcode = "M620 S[next_extruder]\nM104 S250\nG28 X\nG91\n\nG1 Z3.0 F1200\nG90\n"
-                "G1 X70 F12000\nG1 Y245\nG1 Y265 F3000\nM109 S250\nG1 X120 F12000\nG1 X20 Y50 F12000\nG1 Y-3"
-                "\nT[next_extruder]\nG1 X54  F12000\nG1 Y265\nM400\nM106 P1 S0\nG92 E0\nG1 E40 F200\nM400"
-                "\nM109 S[new_filament_temp]\nM400\nM106 P1 S255\nG92 E0\nG1 E5 F300\nM400\nM106 P1 S0\nG1 X70  F9000"
-                "\nG1 X76 F15000\nG1 X65 F15000\nG1 X76 F15000\nG1 X65 F15000\nG1 X70 F6000\nG1 X100 F5000\nG1 X70 F15000"
-                "\nG1 X100 F5000\nG1 X70 F15000\nG1 X165 F5000\nG1 Y245\nG91\nG1 Z-3.0 F1200\nG90\nM621 S[next_extruder]\n";
-
+        gcode = DeviceManager::load_gcode(printer_type, "ams_load.gcode");
         boost::replace_all(gcode, "[next_extruder]", std::to_string(tray_index));
         boost::replace_all(gcode, "[new_filament_temp]", std::to_string(new_temp));
     }
@@ -4102,4 +4091,23 @@ bool DeviceManager::load_functional_config(std::string config_file)
     return true;
 }
 
+std::string DeviceManager::load_gcode(std::string type_str, std::string gcode_file)
+{
+    std::string gcode_full_path = Slic3r::resources_dir() + "/printers/" + gcode_file;
+    std::ifstream gcode(encode_path(gcode_full_path.c_str()).c_str());
+    try {
+        std::stringstream gcode_str;
+        if (gcode.is_open()) {
+            gcode_str << gcode.rdbuf();
+            gcode.close();
+            return gcode_str.str();
+        }
+    } catch(...) {
+        BOOST_LOG_TRIVIAL(error) << "load gcode file failed, file = " << gcode_file << ", path = " << gcode_full_path;
+    }
+
+
+    return "";
+}
+
 } // namespace Slic3r
diff --git a/src/slic3r/GUI/DeviceManager.hpp b/src/slic3r/GUI/DeviceManager.hpp
index 303c643269..cb7bb9b947 100644
--- a/src/slic3r/GUI/DeviceManager.hpp
+++ b/src/slic3r/GUI/DeviceManager.hpp
@@ -834,6 +834,7 @@ public:
 
     static bool get_bed_temperature_limit(std::string type_str, int& limit);
     static bool load_functional_config(std::string config_file);
+    static std::string load_gcode(std::string type_str, std::string gcode_file);
 };
 
 } // namespace Slic3r