diff --git a/resources/images/round.svg b/resources/images/round.svg
new file mode 100644
index 000000000..74e8ce243
--- /dev/null
+++ b/resources/images/round.svg
@@ -0,0 +1,3 @@
+<svg width="16" height="16" viewBox="0 0 16 16" fill="none" xmlns="http://www.w3.org/2000/svg">
+<circle cx="7.77482" cy="7.85898" r="7.70859" fill="#262E30"/>
+</svg>
diff --git a/src/slic3r/GUI/Widgets/TempInput.cpp b/src/slic3r/GUI/Widgets/TempInput.cpp
index fad9925fc..134a335a2 100644
--- a/src/slic3r/GUI/Widgets/TempInput.cpp
+++ b/src/slic3r/GUI/Widgets/TempInput.cpp
@@ -126,8 +126,7 @@ void TempInput::Create(wxWindow *parent, wxString text, wxString label, wxString
     text_ctrl->SetForegroundColour(StateColor::darkModeColorFor(*wxBLACK));
     if (!normal_icon.IsEmpty()) { this->normal_icon = ScalableBitmap(this, normal_icon.ToStdString(), 16); }
     if (!actice_icon.IsEmpty()) { this->actice_icon = ScalableBitmap(this, actice_icon.ToStdString(), 16); }
-    this->left_icon = ScalableBitmap(this, "L", 16);
-    this->right_icon = ScalableBitmap(this, "R", 16);
+    this->round_scale_hint_icon = ScalableBitmap(this, "round", 16);
     this->degree_icon = ScalableBitmap(this, "degree", 16);
     messureSize();
 }
@@ -310,8 +309,7 @@ void TempInput::Rescale()
 {
     if (this->normal_icon.bmp().IsOk()) this->normal_icon.msw_rescale();
     if (this->degree_icon.bmp().IsOk()) this->degree_icon.msw_rescale();
-    if (this->left_icon.bmp().IsOk()) this->left_icon.msw_rescale();
-    if (this->right_icon.bmp().IsOk()) this->right_icon.msw_rescale();
+    if (this->round_scale_hint_icon.bmp().IsOk()) this->round_scale_hint_icon.msw_rescale();
     messureSize();
 }
 
@@ -356,7 +354,7 @@ void TempInput::DoSetSize(int x, int y, int width, int height, int sizeFlags)
     left += 9;
 
     if (m_input_type == TEMP_OF_MAIN_NOZZLE_TYPE || m_input_type == TEMP_OF_DEPUTY_NOZZLE_TYPE) {
-        wxSize szIcon = left_icon.GetBmpSize();
+        wxSize szIcon = round_scale_hint_icon.GetBmpSize();
         left += szIcon.x + 3;
     }
 
@@ -434,10 +432,13 @@ void TempInput::render(wxDC &dc)
     }
 
     pt.x += szIcon.x + 9;
-    if (left_icon.bmp().IsOk() && m_input_type == TEMP_OF_DEPUTY_NOZZLE_TYPE){
-        wxSize szIcon = left_icon.GetBmpSize();
+
+    ScalableBitmap round_icon(this, "round", 16);/*icon diffs in normal and dark mode*/
+    round_icon.msw_rescale();
+    if (round_icon.bmp().IsOk() && m_input_type == TEMP_OF_DEPUTY_NOZZLE_TYPE){
+        wxSize szIcon = round_icon.GetBmpSize();
         pt.y = (size.y - szIcon.y) / 2;
-        dc.DrawBitmap(left_icon.bmp(), pt);
+        dc.DrawBitmap(round_icon.bmp(), pt);
 
         dc.SetFont(::Label::Body_12);
         auto sepSize = dc.GetMultiLineTextExtent(wxString("L"));
@@ -449,10 +450,10 @@ void TempInput::render(wxDC &dc)
         pt.x += szIcon.x + 3;
     }
 
-    if (right_icon.bmp().IsOk() && m_input_type == TEMP_OF_MAIN_NOZZLE_TYPE) {
-        wxSize szIcon = right_icon.GetBmpSize();
+    if (round_icon.bmp().IsOk() && m_input_type == TEMP_OF_MAIN_NOZZLE_TYPE) {
+        wxSize szIcon = round_icon.GetBmpSize();
         pt.y = (size.y - szIcon.y) / 2;
-        dc.DrawBitmap(right_icon.bmp(), pt);
+        dc.DrawBitmap(round_icon.bmp(), pt);
 
         dc.SetFont(::Label::Body_12);
         auto sepSize = dc.GetMultiLineTextExtent(wxString("R"));
@@ -531,7 +532,7 @@ void TempInput::messureMiniSize()
     width += 9;
 
     if (m_input_type == TEMP_OF_MAIN_NOZZLE_TYPE || m_input_type == TEMP_OF_DEPUTY_NOZZLE_TYPE) {
-        wxSize szIcon = left_icon.GetBmpSize();
+        wxSize szIcon = round_scale_hint_icon.GetBmpSize();
         width += szIcon.x;
     }
     width += 3;
@@ -591,7 +592,7 @@ void TempInput::messureSize()
     width += 9;
 
     if (m_input_type == TEMP_OF_MAIN_NOZZLE_TYPE || m_input_type == TEMP_OF_DEPUTY_NOZZLE_TYPE) {
-        wxSize szIcon = left_icon.GetBmpSize();
+        wxSize szIcon = round_scale_hint_icon.GetBmpSize();
         width += szIcon.x;
     }
     width += 3;
diff --git a/src/slic3r/GUI/Widgets/TempInput.hpp b/src/slic3r/GUI/Widgets/TempInput.hpp
index 68986cecf..b7d129bf4 100644
--- a/src/slic3r/GUI/Widgets/TempInput.hpp
+++ b/src/slic3r/GUI/Widgets/TempInput.hpp
@@ -23,9 +23,7 @@ class TempInput : public wxNavigationEnabled<StaticBox>
     ScalableBitmap normal_icon;
     ScalableBitmap actice_icon;
     ScalableBitmap degree_icon;
-
-    ScalableBitmap left_icon;
-    ScalableBitmap right_icon;
+    ScalableBitmap round_scale_hint_icon;/*the size hint of icon, use to compute size*/
 
     StateColor   label_color;
     StateColor   text_color;