diff --git a/src/libslic3r/PrintConfig.cpp b/src/libslic3r/PrintConfig.cpp
index ea2657bde9..b54a7a1fd9 100644
--- a/src/libslic3r/PrintConfig.cpp
+++ b/src/libslic3r/PrintConfig.cpp
@@ -2574,6 +2574,7 @@ void PrintConfigDef::init_sla_params()
     def->sidetext = L("mm");
     def->cli = "";
     def->min = 0;
+    def->mode = comAdvanced;
     def->default_value = new ConfigOptionFloat(0.4);
 
     def = this->add("support_head_penetration", coFloat);
@@ -2674,7 +2675,7 @@ void PrintConfigDef::init_sla_params()
     def->cli = "";
     def->min = 0;
     def->max = 90;
-    def->mode = comSimple;
+    def->mode = comExpert;
     def->default_value = new ConfigOptionFloat(45);
 
     def = this->add("support_max_bridge_length", coFloat);
@@ -2684,7 +2685,7 @@ void PrintConfigDef::init_sla_params()
     def->sidetext = L("mm");
     def->cli = "";
     def->min = 0;
-    def->mode = comSimple;
+    def->mode = comAdvanced;
     def->default_value = new ConfigOptionFloat(15.0);
 
     def = this->add("support_max_pillar_link_distance", coFloat);
@@ -2695,7 +2696,7 @@ void PrintConfigDef::init_sla_params()
     def->sidetext = L("mm");
     def->cli = "";
     def->min = 0;   // 0 means no linking
-    def->mode = comSimple;
+    def->mode = comAdvanced;
     def->default_value = new ConfigOptionFloat(10.0);
 
     def = this->add("support_object_elevation", coFloat);
@@ -2706,7 +2707,7 @@ void PrintConfigDef::init_sla_params()
     def->cli = "";
     def->min = 0;
     def->max = 150; // This is the max height of print on SL1
-    def->mode = comSimple;
+    def->mode = comAdvanced;
     def->default_value = new ConfigOptionFloat(5.0);
 
     def = this->add("support_points_density_relative", coInt);
diff --git a/src/slic3r/GUI/Tab.cpp b/src/slic3r/GUI/Tab.cpp
index 779f0ca6fc..aa7b7ded4b 100644
--- a/src/slic3r/GUI/Tab.cpp
+++ b/src/slic3r/GUI/Tab.cpp
@@ -3337,11 +3337,37 @@ void TabSLAPrint::update()
         return; // #ys_FIXME
 
 // #ys_FIXME
-//     m_update_cnt++;
-//     ! something to update
-//     m_update_cnt--;
-// 
-//     if (m_update_cnt == 0)
+     m_update_cnt++;
+
+     double head_penetration = m_config->opt_float("support_head_penetration");
+     double head_width = m_config->opt_float("support_head_width");
+     if(head_penetration > head_width) {
+         wxString msg_text = _(L("Head penetration should not be greater than the head width."));
+         auto dialog = new wxMessageDialog(parent(), msg_text, _(L("Invalid Head penetration")), wxICON_WARNING | wxOK);
+         DynamicPrintConfig new_conf = *m_config;
+         if (dialog->ShowModal() == wxID_OK) {
+             new_conf.set_key_value("support_head_penetration", new ConfigOptionFloat(head_width));
+         }
+
+         load_config(new_conf);
+     }
+
+     double pinhead_d = m_config->opt_float("support_head_front_diameter");
+     double pillar_d     = m_config->opt_float("support_pillar_diameter");
+     if(pinhead_d > pillar_d) {
+         wxString msg_text = _(L("Pinhead diameter should be smaller than the pillar diameter."));
+         auto dialog = new wxMessageDialog(parent(), msg_text, _(L("Invalid pinhead diameter")), wxICON_WARNING | wxOK);
+         DynamicPrintConfig new_conf = *m_config;
+         if (dialog->ShowModal() == wxID_OK) {
+             new_conf.set_key_value("support_head_front_diameter", new ConfigOptionFloat(pillar_d / 2.0));
+         }
+
+         load_config(new_conf);
+     }
+
+     m_update_cnt--;
+
+     if (m_update_cnt == 0)
     wxGetApp().mainframe->on_config_changed(m_config);
 }