diff --git a/app/scanner/hg_settingdialog.cpp b/app/scanner/hg_settingdialog.cpp
index 488d4525..b4e8f05c 100644
--- a/app/scanner/hg_settingdialog.cpp
+++ b/app/scanner/hg_settingdialog.cpp
@@ -1613,6 +1613,7 @@ void hg_settingdialog::cancel_setting(void)
 {
     // restore changed value ...
     cur_scheme_->end_setting(true);
+    dev_que::apply_scheme(m_handle, cur_scheme_);
 }
 
 void hg_settingdialog::getAppVersion()
@@ -1803,6 +1804,7 @@ void hg_settingdialog::slot_pushButton_scheme_management(void)
 
         on_current_scheme_changed();
         changed_count_++;
+        cur_cfg_->save();
     }
     else if(btn == del_all_)
     {
@@ -1818,6 +1820,8 @@ void hg_settingdialog::slot_pushButton_scheme_management(void)
         updateUIStatus();
         comb_->clear();
         changed_count_++;
+        cur_cfg_->remove_all_schemes();
+        cur_cfg_->save();
     }
 }
 void hg_settingdialog::restore_2_default_settings(void)