add：添加可以不用重启切换配置文件重新加载。

conf_setting.cpp

@@ -23,7 +23,7 @@ CGroupSetting::~CGroupSetting()
 
 void CGroupSetting::showEvent(QShowEvent* event)
 {
-    update_ini();
+    update_ini("");
     QDialog::showEvent(event);
 }
 
@@ -55,7 +55,7 @@ void CGroupSetting::add_item()
         CUtil::msg(this, u8"失败");
         return;
     }
-    update_ini();
+    update_ini(QString::fromStdString(gp.name));
     CUtil::msg(this, u8"成功");
 }
 
@@ -71,7 +71,7 @@ void CGroupSetting::del_item()
     }
 
     // 删除成功之后要更新 cb
-    update_ini();
+    update_ini("");
 
     CUtil::msg(this, u8"成功");
 }
@@ -108,21 +108,29 @@ void CGroupSetting::change_ini()
     }
 }
 
-void CGroupSetting::update_ini()
+void CGroupSetting::update_ini(const QString& cur_key)
 {
     StrVec_t vec;
     ini_opr_->get_all_node(vec);
 
     QStringList list;
+    bool has_cur = false;
     for (const auto& data : vec) {
         list.append(QString::fromStdString(data));
+        if (data == cur_key.toStdString()) {
+            has_cur = true;
+        }
     }
 
     auto_add_ = true;
     ui->cbConfig->clear();
     if (!list.empty()) {
         ui->cbConfig->addItems(list);
-        ui->cbConfig->setCurrentIndex(0);
+        if (has_cur) {
+            ui->cbConfig->setCurrentIndex(list.indexOf(cur_key));
+        } else {
+            ui->cbConfig->setCurrentIndex(0);
+        }
         OneGroupIni gp;
         gp.name = ui->cbConfig->currentText().toStdString();
         if (!ini_opr_->get_item(gp)) {