diff --git a/src/slic3r/GUI/AMSMaterialsSetting.cpp b/src/slic3r/GUI/AMSMaterialsSetting.cpp
index a4763d8f8b..47c105162e 100644
--- a/src/slic3r/GUI/AMSMaterialsSetting.cpp
+++ b/src/slic3r/GUI/AMSMaterialsSetting.cpp
@@ -13,31 +13,6 @@ namespace Slic3r { namespace GUI {
 
 wxDEFINE_EVENT(EVT_SELECTED_COLOR, wxCommandEvent);
 
-static void get_default_k_n_value(const std::string &filament_id, float &k, float &n)
-{
-    if (filament_id.compare("GFG00") == 0) {
-        // PETG
-        k = 0.04;
-        n = 1.0;
-    } else if (filament_id.compare("GFB00") == 0 || filament_id.compare("GFB50") == 0) {
-        // ABS
-        k = 0.04;
-        n = 1.0;
-    } else if (filament_id.compare("GFU01") == 0) {
-        // TPU
-        k = 0.2;
-        n = 1.0;
-    } else if (filament_id.compare("GFB01") == 0) {
-        // ASA
-        k = 0.04;
-        n = 1.0;
-    } else {
-        // PLA , other
-        k = 0.02;
-        n = 1.0;
-    }
-}
-
 static std::string float_to_string_with_precision(float value, int precision = 3)
 {
     std::stringstream stream;
diff --git a/src/slic3r/GUI/Widgets/AMSItem.cpp b/src/slic3r/GUI/Widgets/AMSItem.cpp
index 5560676ebb..bd0cdccbf2 100644
--- a/src/slic3r/GUI/Widgets/AMSItem.cpp
+++ b/src/slic3r/GUI/Widgets/AMSItem.cpp
@@ -66,6 +66,8 @@ bool AMSinfo::parse_ams_info(MachineObject *obj, Ams *ams, bool remain_flag, boo
                 info.can_id        = it->second->id;
                 info.ctype         = it->second->ctype;
                 info.material_name = it->second->get_display_filament_type();
+                info.cali_idx      = it->second->cali_idx;
+                info.filament_id   = it->second->filament_setting_id;
                 if (!it->second->color.empty()) {
                     info.material_colour = AmsTray::decode_color(it->second->color);
                 } else {
@@ -97,6 +99,8 @@ bool AMSinfo::parse_ams_info(MachineObject *obj, Ams *ams, bool remain_flag, boo
             } else {
                 info.can_id = it->second->id;
                 info.material_name = "";
+                info.cali_idx      = -1;
+                info.filament_id   = "";
                 info.ctype = 0;
                 info.material_colour = AMS_TRAY_DEFAULT_COL;
                 info.material_state = AMSCanType::AMS_CAN_TYPE_THIRDBRAND;
@@ -136,6 +140,8 @@ void AMSinfo::parse_ext_info(MachineObject* obj, AmsTray tray) {
     if (tray.is_tray_info_ready()) {
         info.ctype = tray.ctype;
         info.material_name = tray.get_display_filament_type();
+        info.cali_idx    = tray.cali_idx;
+        info.filament_id = tray.filament_setting_id;
         if (!tray.color.empty()) {
             info.material_colour = AmsTray::decode_color(tray.color);
         }
@@ -151,6 +157,8 @@ void AMSinfo::parse_ext_info(MachineObject* obj, AmsTray tray) {
     }
     else {
         info.material_name = "";
+        info.cali_idx    = -1;
+        info.filament_id = "";
         info.ctype = 0;
         info.material_colour = AMS_TRAY_DEFAULT_COL;
         wxColour(255, 255, 255);
@@ -907,9 +915,12 @@ void AMSLib::render_lite_text(wxDC& dc)
 void AMSLib::render_generic_text(wxDC &dc)
 {
     bool show_k_value = true;
-    if (m_obj && (m_obj->cali_version >= 0) && (abs(m_info.k - 0) < 1e-3)) {
+    if (m_info.material_name.empty()) {
         show_k_value = false;
     }
+    else if (m_info.cali_idx == -1) {
+        get_default_k_n_value(m_info.filament_id, m_info.k, m_info.n);
+    }
 
     auto tmp_lib_colour = m_info.material_colour;
     change_the_opacity(tmp_lib_colour);
diff --git a/src/slic3r/GUI/Widgets/AMSItem.hpp b/src/slic3r/GUI/Widgets/AMSItem.hpp
index 8556c54d89..ac926b0aa1 100644
--- a/src/slic3r/GUI/Widgets/AMSItem.hpp
+++ b/src/slic3r/GUI/Widgets/AMSItem.hpp
@@ -147,6 +147,8 @@ struct Caninfo
     AMSCanType      material_state;
     int             ctype=0;
     int             material_remain = 100;
+    int             cali_idx = -1;
+    std::string     filament_id;
     float           k = 0.0f;
     float           n = 0.0f;
     std::vector<wxColour> material_cols;
diff --git a/src/slic3r/Utils/CalibUtils.cpp b/src/slic3r/Utils/CalibUtils.cpp
index 841f655238..525c892eba 100644
--- a/src/slic3r/Utils/CalibUtils.cpp
+++ b/src/slic3r/Utils/CalibUtils.cpp
@@ -34,6 +34,30 @@ static std::string MachineBedTypeString[7] = {
     "pct",
 };
 
+void get_default_k_n_value(const std::string &filament_id, float &k, float &n)
+{
+    if (filament_id.compare("GFG00") == 0) {
+        // PETG
+        k = 0.04;
+        n = 1.0;
+    } else if (filament_id.compare("GFB00") == 0 || filament_id.compare("GFB50") == 0) {
+        // ABS
+        k = 0.04;
+        n = 1.0;
+    } else if (filament_id.compare("GFU01") == 0) {
+        // TPU
+        k = 0.2;
+        n = 1.0;
+    } else if (filament_id.compare("GFB01") == 0) {
+        // ASA
+        k = 0.04;
+        n = 1.0;
+    } else {
+        // PLA , other
+        k = 0.02;
+        n = 1.0;
+    }
+}
 
 wxString get_nozzle_volume_type_name(NozzleVolumeType type)
 {
diff --git a/src/slic3r/Utils/CalibUtils.hpp b/src/slic3r/Utils/CalibUtils.hpp
index 6b6a7017c0..c6042a5955 100644
--- a/src/slic3r/Utils/CalibUtils.hpp
+++ b/src/slic3r/Utils/CalibUtils.hpp
@@ -77,6 +77,8 @@ private:
     static void send_to_print(const CalibInfo &calib_info, wxString& error_message, int flow_ratio_mode = 0); // 0: none  1: coarse  2: fine
 };
 
+extern void get_default_k_n_value(const std::string &filament_id, float &k, float &n);
+
 extern wxString get_nozzle_volume_type_name(NozzleVolumeType type);
 }
 }
\ No newline at end of file