diff --git a/.clang-format b/.clang-format
index 9d7a6b0..da60dac 100644
--- a/.clang-format
+++ b/.clang-format
@@ -11,7 +11,7 @@ ReflowComments: true
 SpacesBeforeTrailingComments: 3
 TabWidth: 4
 ConstructorInitializerAllOnOneLineOrOnePerLine: true
-ColumnLimit: 150
+ColumnLimit: 80
 AllowShortBlocksOnASingleLine: Never
 AllowShortFunctionsOnASingleLine: None
 AllowShortEnumsOnASingleLine: false
diff --git a/.vscode/settings.json b/.vscode/settings.json
index 4fd3205..383a49f 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -1,7 +1,7 @@
 {
     "files.autoSave": "onFocusChange",
     "editor.fontSize": 14,
-    "editor.fontFamily": "'BlexMono Nerd Font Mono', 'BlexMono Nerd Font Mono', 'BlexMono Nerd Font Mono'",
+    "editor.fontFamily": "'FiraCode Nerd Font Mono', 'FiraCode Nerd Font Mono', 'FiraCode Nerd Font Mono'",
     "cmake.configureOnOpen": true,
     "cmake.debugConfig": {
         "console": "integratedTerminal",
diff --git a/MainWidget.cpp b/MainWidget.cpp
index f2097a1..4418d1f 100644
--- a/MainWidget.cpp
+++ b/MainWidget.cpp
@@ -15,11 +15,12 @@
 
 constexpr std::size_t g_OnePage = 100;
 namespace fs = std::filesystem;
-MainWidget::MainWidget(QWidget* parent) : QWidget(parent), ui(new Ui::MainWidget)
+MainWidget::MainWidget(QWidget* parent)
+    : QWidget(parent), ui(new Ui::MainWidget)
 {
     ui->setupUi(this);
 
-    setWindowTitle(u8"OneLevelXmlOpr v1.3.4");
+    setWindowTitle(u8"OneLevelXmlOpr v1.3.5");
     setWindowIcon(QIcon("://resource/xml.ico"));
 
     QScreen* primaryScreen = QGuiApplication::primaryScreen();
@@ -50,22 +51,33 @@ MainWidget::MainWidget(QWidget* parent) : QWidget(parent), ui(new Ui::MainWidget
     ui->btnSearch->setFixedWidth(120);
 
     connect(ui->btnSelectFile, &QPushButton::clicked, this, [&]() {
-        QString file = CUtil::select_file(this, u8"请选择xml文件", u8"XML(*.xml);;所有文件 (*)");
+        QString file = CUtil::select_file(this, u8"请选择xml文件",
+                                          u8"XML(*.xml);;所有文件 (*)");
         if (file.isEmpty()) {
             return;
         }
         ui->edStatus->setText(file);
     });
-    connect(ui->btnSearch, &QPushButton::clicked, this, [&]() { search(ui->edSearchKey->text()); });
-    connect(ui->btnBackup, &QPushButton::clicked, this, [&]() { backup_file(); });
-    connect(ui->btnRead, &QPushButton::clicked, this, [&]() { read(ui->edStatus->text().trimmed()); });
+    connect(ui->btnSearch, &QPushButton::clicked, this,
+            [&]() { search(ui->edSearchKey->text()); });
+    connect(ui->btnBackup, &QPushButton::clicked, this,
+            [&]() { backup_file(); });
+    connect(ui->btnFormat, &QPushButton::clicked, this,
+            [&]() { format_xml(); });
+    connect(ui->btnRead, &QPushButton::clicked, this,
+            [&]() { read(ui->edStatus->text().trimmed()); });
     connect(ui->btnSave, &QPushButton::clicked, this, [&]() { save(); });
-    connect(ui->btnExit, &QPushButton::clicked, this, [&]() { QApplication::exit(0); });
+    connect(ui->btnExit, &QPushButton::clicked, this,
+            [&]() { QApplication::exit(0); });
     connect(ui->btnReset, &QPushButton::clicked, this, &MainWidget::reset);
-    connect(ui->btnReplace, &QPushButton::clicked, this, [&]() { replace_content(true); });
-    connect(ui->btnRxReplace, &QPushButton::clicked, this, [&]() { replace_content(false); });
-    connect(ui->cbUnit, &QComboBox::currentTextChanged, this, [&](const QString& content) { unit_change(); });
-    connect(ui->btnExport, &QPushButton::clicked, this, &MainWidget::copy_multi_data);
+    connect(ui->btnReplace, &QPushButton::clicked, this,
+            [&]() { replace_content(true); });
+    connect(ui->btnRxReplace, &QPushButton::clicked, this,
+            [&]() { replace_content(false); });
+    connect(ui->cbUnit, &QComboBox::currentTextChanged, this,
+            [&](const QString& content) { unit_change(); });
+    connect(ui->btnExport, &QPushButton::clicked, this,
+            &MainWidget::copy_multi_data);
     connect(ui->btnPagePre, &QPushButton::clicked, this, [&]() {
         unsigned int cur = ui->edCurPage->text().toUInt();
         push_content(current_, cur - 1);
@@ -81,7 +93,8 @@ MainWidget::MainWidget(QWidget* parent) : QWidget(parent), ui(new Ui::MainWidget
         }
 
         if (cur_config_.is_same) {
-            xml_.get_all_elements(vec_, ui->cbUnit->currentText().toStdString());
+            xml_.get_all_elements(vec_,
+                                  ui->cbUnit->currentText().toStdString());
         } else {
             xml_.get_all_elements(vec_);
         }
@@ -211,8 +224,10 @@ void MainWidget::generate_table_widget()
     metrics_ = std::make_shared<QFontMetrics>(tab_widget_->font());
     tab_widget_->setContextMenuPolicy(Qt::CustomContextMenu);
 
-    connect(tab_widget_, &QTableWidget::itemChanged, this, [&](QTableWidgetItem* item) { item_changed_handle(item); });
-    connect(tab_widget_, &QTableWidget::customContextMenuRequested, this, &MainWidget::show_custom_menu);
+    connect(tab_widget_, &QTableWidget::itemChanged, this,
+            [&](QTableWidgetItem* item) { item_changed_handle(item); });
+    connect(tab_widget_, &QTableWidget::customContextMenuRequested, this,
+            &MainWidget::show_custom_menu);
     auto keys = CUtil::splitString(cur_config_.propertis, ",");
     keys_.clear();
 
@@ -244,7 +259,8 @@ void MainWidget::generate_table_widget()
     ui->widget->setLayout(lay);
 }
 
-void MainWidget::push_content(const std::vector<tinyxml2::XMLElement*>& eles, std::size_t page, bool auto_jump_pre)
+void MainWidget::push_content(const std::vector<tinyxml2::XMLElement*>& eles,
+                              std::size_t page, bool auto_jump_pre)
 {
     if (tab_widget_ == nullptr || page == 0) {
         return;
@@ -426,7 +442,8 @@ void MainWidget::item_changed_handle(QTableWidgetItem* item)
     if (result == nullptr) {
         return;
     }
-    result->SetAttribute(keys_[col].c_str(), item->text().toStdString().c_str());
+    result->SetAttribute(keys_[col].c_str(),
+                         item->text().toStdString().c_str());
 }
 
 void MainWidget::save()
@@ -523,9 +540,9 @@ void MainWidget::ele_update_gui(Element_t* target, const QString& pre_value)
     QString search_key;
 
     if (pre_value.isEmpty()) {
-        search_key = QString::fromLocal8Bit(target->Attribute(keys_[0].c_str()));
-    }
-    else {
+        search_key =
+            QString::fromLocal8Bit(target->Attribute(keys_[0].c_str()));
+    } else {
         search_key = pre_value;
     }
 
@@ -578,8 +595,10 @@ void MainWidget::init_menu()
         }
         edit_property(target, cur_item->row(), false);
     });
-    connect(ac_copy_curline_, &QAction::triggered, this, [&]() { copy_select_line(); });
-    connect(ac_del_curline_, &QAction::triggered, this, [&]() { del_select_line(); });
+    connect(ac_copy_curline_, &QAction::triggered, this,
+            [&]() { copy_select_line(); });
+    connect(ac_del_curline_, &QAction::triggered, this,
+            [&]() { del_select_line(); });
     connect(ac_copy_key_, &QAction::triggered, this, [&]() { copy_key(); });
 }
 
@@ -599,8 +618,10 @@ void MainWidget::insert_one_line(Element_t* ele, int row)
         }
         QString sda(data);
         int dwidth = metrics_->horizontalAdvance(sda) + blank_with_;
-        int need_set_width = dwidth > allow_max_with_ ? allow_max_with_ : dwidth;
-        col_with_[i] = col_with_[i] < need_set_width ? need_set_width : col_with_[i];
+        int need_set_width =
+            dwidth > allow_max_with_ ? allow_max_with_ : dwidth;
+        col_with_[i] =
+            col_with_[i] < need_set_width ? need_set_width : col_with_[i];
         wgItem->setText(sda);
         tab_widget_->setItem(row, i, wgItem);
     }
@@ -705,7 +726,10 @@ void MainWidget::sort_by_repeat(std::vector<Element_t*>& vec)
         std::string d(str);
         turn_vec.emplace_back(item, d);
     }
-    std::sort(turn_vec.begin(), turn_vec.end(), [&](const SElement_t& se1, const SElement_t& se2) { return compare_by_prefix(se1, se2); });
+    std::sort(turn_vec.begin(), turn_vec.end(),
+              [&](const SElement_t& se1, const SElement_t& se2) {
+                  return compare_by_prefix(se1, se2);
+              });
     vec.clear();
     for (const auto& item : turn_vec) {
         vec.push_back(item.ele);
@@ -777,7 +801,8 @@ void MainWidget::replace_content(bool is_common)
 
     std::vector<OperElement*> vec;
     if (ui->rbReplaceSelect->isChecked()) {
-        QModelIndexList indexList = tab_widget_->selectionModel()->selectedRows();
+        QModelIndexList indexList =
+            tab_widget_->selectionModel()->selectedRows();
         if (indexList.size() < 1) {
             CUtil::msg(this, u8"无选择数据");
             return;
@@ -807,7 +832,8 @@ void MainWidget::replace_content(bool is_common)
     }
 }
 
-void MainWidget::replace_str(const QString& pre, const QString& after, Element_t* ele)
+void MainWidget::replace_str(const QString& pre, const QString& after,
+                             Element_t* ele)
 {
     if (ele == nullptr) {
         return;
@@ -822,7 +848,8 @@ void MainWidget::replace_str(const QString& pre, const QString& after, Element_t
     }
 }
 
-void MainWidget::replace_str(Element_t* ele, const QString& rg, const QString& after)
+void MainWidget::replace_str(Element_t* ele, const QString& rg,
+                             const QString& after)
 {
     QRegularExpression rx(rg);
     if (ele == nullptr) {
@@ -839,14 +866,17 @@ void MainWidget::replace_str(Element_t* ele, const QString& rg, const QString& a
     }
 }
 
-void MainWidget::get_related_elements(std::vector<OperElement*>& out, ReplaceArea area)
+void MainWidget::get_related_elements(std::vector<OperElement*>& out,
+                                      ReplaceArea area)
 {
     assert(tab_widget_);
     out.clear();
     switch (area) {
         case AREA_ALL_PAGE: {
             out.resize(current_.size());
-            std::transform(current_.begin(), current_.end(), out.begin(), [](Element_t* ele) { return new OperElement(ele, 0); });
+            std::transform(
+                current_.begin(), current_.end(), out.begin(),
+                [](Element_t* ele) { return new OperElement(ele, 0); });
             break;
         }
         case AREA_CUR_PAGE: {
@@ -858,13 +888,18 @@ void MainWidget::get_related_elements(std::vector<OperElement*>& out, ReplaceAre
         }
         case AREA_ALL: {
             out.resize(vec_.size());
-            std::transform(vec_.begin(), vec_.end(), out.begin(), [](Element_t* ele) { return new OperElement(ele, 0); });
+            std::transform(
+                vec_.begin(), vec_.end(), out.begin(),
+                [](Element_t* ele) { return new OperElement(ele, 0); });
             break;
         }
         default: {
-            QModelIndexList indexList = tab_widget_->selectionModel()->selectedRows();
+            QModelIndexList indexList =
+                tab_widget_->selectionModel()->selectedRows();
             for (int i = 0; i < indexList.size(); ++i) {
-                out.emplace_back(new OperElement(get_element_by_row(indexList[i].row()), indexList[i].row()));
+                out.emplace_back(
+                    new OperElement(get_element_by_row(indexList[i].row()),
+                                    indexList[i].row()));
             }
             break;
         }
@@ -878,7 +913,9 @@ void MainWidget::backup_file()
     }
 
     QString time = QDateTime::currentDateTime().toString("yyyy-MMdd-hhmmss");
-    if (!xml_.backup_file(fs::path(exe_path_).parent_path().append("backup").string(), time.toStdString())) {
+    if (!xml_.backup_file(
+            fs::path(exe_path_).parent_path().append("backup").string(),
+            time.toStdString())) {
         CUtil::msg(this, u8"备份失败。");
     } else {
         CUtil::msg(this, u8"备份完成。");
@@ -918,6 +955,20 @@ void MainWidget::unit_change()
     current_ = vec_;
 }
 
+bool MainWidget::format_xml()
+{
+    std::string xml_path = ui->edStatus->text().toStdString();
+    if (xml_path.empty()) {
+        return false;
+    }
+    if (!xml_.handle_save(xml_path)) {
+        CUtil::msg(this, u8"格式化失败");
+        return false;
+    }
+    CUtil::msg(this, u8"格式化结束");
+    return true;
+}
+
 std::string MainWidget::extract_prefix(const std::string& name)
 {
     auto pos = name.find('.');
diff --git a/MainWidget.h b/MainWidget.h
index c59925c..c7d9af3 100644
--- a/MainWidget.h
+++ b/MainWidget.h
@@ -1,12 +1,6 @@
 #ifndef MAINWIDGET_H
 #define MAINWIDGET_H
 
-#include "conf_setting.h"
-#include "src/attribute_edit.h"
-#include "src/config.h"
-#include "src/xml_opr.h"
-#include "src/history.h"
-#include "src/uhistory.h"
 #include <QAction>
 #include <QMenu>
 #include <QMessageBox>
@@ -14,6 +8,13 @@
 #include <QWidget>
 #include <unordered_map>
 
+#include "conf_setting.h"
+#include "src/attribute_edit.h"
+#include "src/config.h"
+#include "src/history.h"
+#include "src/uhistory.h"
+#include "src/xml_opr.h"
+
 struct SElement_t {
     SElement_t(Element_t* e, std::string& s);
     Element_t* ele;
@@ -51,7 +52,8 @@ public:
 public:
     void set_work_exe(char* path);
     void generate_table_widget();
-    void push_content(const std::vector<Element_t*>& eles, std::size_t page = 1, bool auto_jump_pre = false);
+    void push_content(const std::vector<Element_t*>& eles, std::size_t page = 1,
+                      bool auto_jump_pre = false);
 
 private:
     bool read(const QString& file_path);
@@ -74,6 +76,7 @@ private:
     void backup_file();
     void base_init();
     void unit_change();
+    bool format_xml();
 
 private:
     std::string extract_prefix(const std::string& name);
diff --git a/MainWidget.ui b/MainWidget.ui
index 5211c91..03fae1c 100644
--- a/MainWidget.ui
+++ b/MainWidget.ui
@@ -54,6 +54,13 @@
         </property>
        </widget>
       </item>
+      <item>
+       <widget class="QPushButton" name="btnFormat">
+        <property name="text">
+         <string>格</string>
+        </property>
+       </widget>
+      </item>
       <item>
        <widget class="QPushButton" name="btnResort">
         <property name="text">
diff --git a/conf_setting.cpp b/conf_setting.cpp
index 1281ac6..11c620a 100644
--- a/conf_setting.cpp
+++ b/conf_setting.cpp
@@ -1,18 +1,23 @@
 #include "conf_setting.h"
+
 #include "public_def.h"
 #include "ui_conf_setting.h"
 
-CGroupSetting::CGroupSetting(QWidget* parent, CGroupIni* oper) : QDialog(parent), ui(new Ui::CGroupSetting)
+CGroupSetting::CGroupSetting(QWidget* parent, CGroupIni* oper)
+    : QDialog(parent), ui(new Ui::CGroupSetting)
 {
     ini_opr_ = oper;
     ui->setupUi(this);
 
     setWindowTitle(u8"配置编辑");
 
-    connect(ui->btnAddConfig, &QPushButton::clicked, this, [&]() { add_item(); });
-    connect(ui->btnDelConfig, &QPushButton::clicked, this, [&]() { del_item(); });
+    connect(ui->btnAddConfig, &QPushButton::clicked, this,
+            [&]() { add_item(); });
+    connect(ui->btnDelConfig, &QPushButton::clicked, this,
+            [&]() { del_item(); });
     connect(ui->btnExit, &QPushButton::clicked, this, [&]() { close(); });
-    connect(ui->cbConfig, &QComboBox::currentTextChanged, this, [&](const QString& content) { change_ini(); });
+    connect(ui->cbConfig, &QComboBox::currentTextChanged, this,
+            [&](const QString& content) { change_ini(); });
 }
 
 CGroupSetting::~CGroupSetting()
@@ -82,8 +87,7 @@ void CGroupSetting::set_ui(const OneGroupIni& gp)
 
     if (gp.is_same) {
         ui->chbIsSame->setChecked(true);
-    }
-    else {
+    } else {
         ui->chbIsSame->setChecked(false);
     }
 }
diff --git a/conf_setting.h b/conf_setting.h
index 37785e1..3ef4ee0 100644
--- a/conf_setting.h
+++ b/conf_setting.h
@@ -2,6 +2,7 @@
 #define CONF_SETTING_H
 
 #include <QDialog>
+
 #include "src/config.h"
 
 namespace Ui {
@@ -13,7 +14,7 @@ class CGroupSetting : public QDialog
     Q_OBJECT
 
 public:
-    explicit CGroupSetting(QWidget *parent, CGroupIni* oper);
+    explicit CGroupSetting(QWidget* parent, CGroupIni* oper);
     ~CGroupSetting();
 
 protected:
@@ -28,7 +29,7 @@ private:
 
 private:
     bool auto_add_{false};
-    Ui::CGroupSetting *ui;
+    Ui::CGroupSetting* ui;
     CGroupIni* ini_opr_{};
 };
 
diff --git a/main.cpp b/main.cpp
index 4cf99c8..103c98a 100644
--- a/main.cpp
+++ b/main.cpp
@@ -1,7 +1,7 @@
-#include "MainWidget.h"
-
 #include <QApplication>
 
+#include "MainWidget.h"
+
 int main(int argc, char *argv[])
 {
     QApplication a(argc, argv);
diff --git a/public_def.cpp b/public_def.cpp
index f4ed16b..c08c30c 100644
--- a/public_def.cpp
+++ b/public_def.cpp
@@ -1,4 +1,5 @@
 #include "public_def.h"
+
 #include <QFileDialog>
 #include <QMessageBox>
 
@@ -11,7 +12,8 @@ void CUtil::msg(QWidget* parent, const QString& content)
     QMessageBox::information(parent, u8"提示", content);
 }
 
-bool CUtil::affirm(QWidget* parent, const QString& titile, const QString& content)
+bool CUtil::affirm(QWidget* parent, const QString& titile,
+                   const QString& content)
 {
     QMessageBox questionBox(parent);
     questionBox.setText(content);
@@ -26,9 +28,11 @@ bool CUtil::affirm(QWidget* parent, const QString& titile, const QString& conten
     }
 }
 
-QString CUtil::select_file(QWidget* parent, const QString& info, const QString& filter)
+QString CUtil::select_file(QWidget* parent, const QString& info,
+                           const QString& filter)
 {
-    QString filePath = QFileDialog::getOpenFileName(parent, info, QDir::homePath(), filter);
+    QString filePath =
+        QFileDialog::getOpenFileName(parent, info, QDir::homePath(), filter);
     return filePath;
 }
 
@@ -58,22 +62,26 @@ void CUtil::sort_by_repeat(std::vector<std::string>& vec)
 std::string CUtil::utf8_to_gbk(const std::string& utf8_str)
 {
     // UTF-8 to Wide Char (UTF-16)
-    int wide_char_len = MultiByteToWideChar(CP_UTF8, 0, utf8_str.c_str(), -1, nullptr, 0);
+    int wide_char_len =
+        MultiByteToWideChar(CP_UTF8, 0, utf8_str.c_str(), -1, nullptr, 0);
     if (wide_char_len == 0) {
         return "";
     }
 
     std::wstring wide_str(wide_char_len, 0);
-    MultiByteToWideChar(CP_UTF8, 0, utf8_str.c_str(), -1, &wide_str[0], wide_char_len);
+    MultiByteToWideChar(CP_UTF8, 0, utf8_str.c_str(), -1, &wide_str[0],
+                        wide_char_len);
 
     // Wide Char (UTF-16) to GBK
-    int gbk_len = WideCharToMultiByte(CP_ACP, 0, wide_str.c_str(), -1, nullptr, 0, nullptr, nullptr);
+    int gbk_len = WideCharToMultiByte(CP_ACP, 0, wide_str.c_str(), -1, nullptr,
+                                      0, nullptr, nullptr);
     if (gbk_len == 0) {
         return "";
     }
 
     std::string gbk_str(gbk_len, 0);
-    WideCharToMultiByte(CP_ACP, 0, wide_str.c_str(), -1, &gbk_str[0], gbk_len, nullptr, nullptr);
+    WideCharToMultiByte(CP_ACP, 0, wide_str.c_str(), -1, &gbk_str[0], gbk_len,
+                        nullptr, nullptr);
 
     return gbk_str;
 }
@@ -84,7 +92,8 @@ std::string CUtil::utf8_to_gbk(const std::string& utf8_str)
 }
 #endif
 
-std::vector<std::string> CUtil::splitString(const std::string& input, const std::string& delimiter)
+std::vector<std::string> CUtil::splitString(const std::string& input,
+                                            const std::string& delimiter)
 {
     std::vector<std::string> tokens;
     size_t pos = 0;
diff --git a/public_def.h b/public_def.h
index 0fa9f92..952d471 100644
--- a/public_def.h
+++ b/public_def.h
@@ -13,13 +13,16 @@ public:
 
 public:
     static void msg(QWidget* parent, const QString& content);
-    static bool affirm(QWidget* parent, const QString& titile, const QString& content);
-    static QString select_file(QWidget* parent, const QString& info, const QString& filter);
+    static bool affirm(QWidget* parent, const QString& titile,
+                       const QString& content);
+    static QString select_file(QWidget* parent, const QString& info,
+                               const QString& filter);
     static void sort_by_repeat(std::vector<std::string>& vec);
 
 public:
     static std::string utf8_to_gbk(const std::string& utf8_str);
-    static std::vector<std::string> splitString(const std::string& input, const std::string& delimiter);
+    static std::vector<std::string> splitString(const std::string& input,
+                                                const std::string& delimiter);
 };
 
 #endif
diff --git a/src/attribute_edit.cpp b/src/attribute_edit.cpp
index 3fcd516..18eec80 100644
--- a/src/attribute_edit.cpp
+++ b/src/attribute_edit.cpp
@@ -2,7 +2,8 @@
 
 #include "ui_attribute_edit.h"
 
-CAttributeEdit::CAttributeEdit(QWidget* parent) : QDialog(parent), ui(new Ui::CAttributeEdit)
+CAttributeEdit::CAttributeEdit(QWidget* parent)
+    : QDialog(parent), ui(new Ui::CAttributeEdit)
 {
     ui->setupUi(this);
 
@@ -23,7 +24,8 @@ void CAttributeEdit::handle_ok()
     for (int i = 0; i < row; ++i) {
         QString key = table_->item(i, 0)->text();
         QString value = table_->item(i, 1)->text();
-        property_.emplace_back(key.toStdString().c_str(), value.toStdString().c_str());
+        property_.emplace_back(key.toStdString().c_str(),
+                               value.toStdString().c_str());
     }
     is_ok_ = true;
     close();
@@ -87,7 +89,8 @@ void CAttributeEdit::init_table()
         table_->setColumnCount(list.size());
         table_->setHorizontalHeaderLabels(list);
         table_->setSelectionBehavior(QAbstractItemView::SelectRows);
-        table_->setSelectionMode(QAbstractItemView::SelectionMode::SingleSelection);
+        table_->setSelectionMode(
+            QAbstractItemView::SelectionMode::SingleSelection);
         table_->setColumnWidth(0, 100);
         table_->setColumnWidth(1, 550);
         QHBoxLayout* ly = new QHBoxLayout();
diff --git a/src/config.cpp b/src/config.cpp
index 8d11e84..17b99c3 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -52,7 +52,8 @@ void CGroupIni::get_all_node(StrVec_t& vec)
 bool CGroupIni::add_item(const OneGroupIni& group)
 {
     ini_.SetValue(group.name.c_str(), "MainNodes", group.main_nodes.c_str());
-    ini_.SetValue(group.name.c_str(), "RelativeNodes", group.relative_nodes.c_str());
+    ini_.SetValue(group.name.c_str(), "RelativeNodes",
+                  group.relative_nodes.c_str());
     ini_.SetValue(group.name.c_str(), "ItemKey", group.item_key.c_str());
     ini_.SetValue(group.name.c_str(), "Properties", group.propertis.c_str());
     ini_.SetLongValue(group.name.c_str(), "MaxColLen", group.max_col_len);
diff --git a/src/config.h b/src/config.h
index 51fec0e..e1e5041 100644
--- a/src/config.h
+++ b/src/config.h
@@ -1,8 +1,9 @@
 #ifndef CONIFG_HEADER
 #define CONIFG_HEADER
 
-#include <string>
 #include <SimpleIni.h>
+
+#include <string>
 #include <vector>
 /*
 
diff --git a/src/data_edit.cpp b/src/data_edit.cpp
index 081d12d..6282157 100644
--- a/src/data_edit.cpp
+++ b/src/data_edit.cpp
@@ -19,7 +19,8 @@ CDataEdit::CDataEdit(QWidget* parent) : QDialog(parent), ui(new Ui::CDataEdit)
 
     connect(ui->btnExit, &QPushButton::clicked, this, [&]() { close(); });
     connect(ui->btnReplace, &QPushButton::clicked, this, [&]() { replace(); });
-    connect(ui->btnWithDraw, &QPushButton::clicked, this, [&]() { with_draw(); });
+    connect(ui->btnWithDraw, &QPushButton::clicked, this,
+            [&]() { with_draw(); });
     connect(ui->btnAdd, &QPushButton::clicked, this, [&]() { import_data(); });
     connect(ui->btnCopy, &QPushButton::clicked, this, [&]() {
         QClipboard* clip = QApplication::clipboard();
@@ -56,7 +57,8 @@ void CDataEdit::import_data()
         return;
     }
 
-    if (!CUtil::affirm(this, u8"提示", u8"如果出现重复的 key 将跳过，继续吗？")) {
+    if (!CUtil::affirm(this, u8"提示",
+                       u8"如果出现重复的 key 将跳过，继续吗？")) {
         return;
     }
 
@@ -79,7 +81,9 @@ void CDataEdit::import_data()
         CUtil::msg(this, u8"导入失败。");
         return;
     }
-    QString info = QString(u8"需要导入 %1 条数据，成功导入 %2 条。").arg(task_count).arg(success_count);
+    QString info = QString(u8"需要导入 %1 条数据，成功导入 %2 条。")
+                       .arg(task_count)
+                       .arg(success_count);
     CUtil::msg(this, info);
     close();
     is_import_sucess_ = true;
diff --git a/src/data_edit.h b/src/data_edit.h
index 2996a0c..255f1eb 100644
--- a/src/data_edit.h
+++ b/src/data_edit.h
@@ -39,8 +39,8 @@ public:
 
 private:
     Ui::CDataEdit* ui;
-    QString        data_{};
-    CXmlOpr*       xml_opr_{};
+    QString data_{};
+    CXmlOpr* xml_opr_{};
 };
 
 #endif   // DATA_EDIT_H
diff --git a/src/history.cpp b/src/history.cpp
index c3bccc6..aa26378 100644
--- a/src/history.cpp
+++ b/src/history.cpp
@@ -1,4 +1,5 @@
 #include "history.h"
+
 #include <QDir>
 #include <algorithm>
 #include <filesystem>
diff --git a/src/uhistory.cpp b/src/uhistory.cpp
index 2fe3d86..6eece4e 100644
--- a/src/uhistory.cpp
+++ b/src/uhistory.cpp
@@ -3,7 +3,8 @@
 #include "src/ui_uhistory.h"
 #include "ui_uhistory.h"
 
-CUIHistory::CUIHistory(QWidget* parent, CHistory* his) : QDialog(parent), ui(new Ui::CUIHistory)
+CUIHistory::CUIHistory(QWidget* parent, CHistory* his)
+    : QDialog(parent), ui(new Ui::CUIHistory)
 {
     ui->setupUi(this);
     his_ = his;
@@ -38,7 +39,7 @@ void CUIHistory::select_ok()
 {
     auto re = ui->listWidget->selectedItems();
     if (re.empty()) {
-        return ;
+        return;
     }
     cur_ = re[0]->text();
     close();
@@ -48,7 +49,7 @@ void CUIHistory::del_item()
 {
     auto re = ui->listWidget->selectedItems();
     if (re.empty()) {
-        return ;
+        return;
     }
     for (auto& item : re) {
         delete ui->listWidget->takeItem(ui->listWidget->row(item));
diff --git a/src/uhistory.h b/src/uhistory.h
index fe4bdc3..e753ce2 100644
--- a/src/uhistory.h
+++ b/src/uhistory.h
@@ -2,6 +2,7 @@
 #define UHISTORY_H
 
 #include <QDialog>
+
 #include "history.h"
 
 namespace Ui {
@@ -13,7 +14,7 @@ class CUIHistory : public QDialog
     Q_OBJECT
 
 public:
-    explicit CUIHistory(QWidget *parent, CHistory* his);
+    explicit CUIHistory(QWidget* parent, CHistory* his);
     ~CUIHistory();
 
 private:
@@ -25,7 +26,7 @@ public:
     QString cur_{};
 
 private:
-    Ui::CUIHistory *ui;
+    Ui::CUIHistory* ui;
     CHistory* his_{};
 };
 
diff --git a/src/xml_opr.cpp b/src/xml_opr.cpp
index 3b66e7e..5b2d217 100644
--- a/src/xml_opr.cpp
+++ b/src/xml_opr.cpp
@@ -1,6 +1,9 @@
 #include "xml_opr.h"
 
 #include <filesystem>
+#include <fstream>
+#include <regex>
+#include <sstream>
 
 #include "../public_def.h"
 
@@ -12,7 +15,8 @@ CXmlOpr::~CXmlOpr() = default;
 bool CXmlOpr::open(const std::string& xml_path)
 {
 #ifdef _WIN32
-    if (doc_.LoadFile(CUtil::utf8_to_gbk(xml_path).c_str()) != tinyxml2::XML_SUCCESS) {
+    if (doc_.LoadFile(CUtil::utf8_to_gbk(xml_path).c_str()) !=
+        tinyxml2::XML_SUCCESS) {
         return false;
     }
     xml_path_ = CUtil::utf8_to_gbk(xml_path);
@@ -25,7 +29,8 @@ bool CXmlOpr::open(const std::string& xml_path)
     return true;
 }
 
-bool CXmlOpr::backup_file(const std::string& desti_folder, const std::string& time)
+bool CXmlOpr::backup_file(const std::string& desti_folder,
+                          const std::string& time)
 {
     if (!fs::exists(xml_path_)) {
         return false;
@@ -34,7 +39,8 @@ bool CXmlOpr::backup_file(const std::string& desti_folder, const std::string& ti
         fs::create_directories(desti_folder);
     }
     fs::path file_path = fs::path(xml_path_);
-    fs::path des = fs::path(desti_folder).append(file_path.stem().string() + "_" + time + ".xml");
+    fs::path des = fs::path(desti_folder)
+                       .append(file_path.stem().string() + "_" + time + ".xml");
     return fs::copy_file(xml_path_, des);
 }
 
@@ -43,7 +49,8 @@ void CXmlOpr::set_baseinfo(const OneGroupIni& base)
     opr_base_ = base;
 }
 
-bool CXmlOpr::get_all_elements(std::vector<Element_t*>& vec, const std::string& unit)
+bool CXmlOpr::get_all_elements(std::vector<Element_t*>& vec,
+                               const std::string& unit)
 {
     vec.clear();
 
@@ -61,7 +68,8 @@ bool CXmlOpr::get_all_elements(std::vector<Element_t*>& vec, const std::string&
         }
     }
 
-    auto purpose_node = parent_node2_->FirstChildElement(opr_base_.item_key.c_str());
+    auto purpose_node =
+        parent_node2_->FirstChildElement(opr_base_.item_key.c_str());
     while (purpose_node) {
         vec.push_back(purpose_node);
         purpose_node = purpose_node->NextSiblingElement();
@@ -123,11 +131,13 @@ bool CXmlOpr::get_all_unit(std::vector<std::string>& units)
 }
 
 // 排序后（仅指针排序）的节点进行复制（让实际内容有序），删除原始节点
-void CXmlOpr::copy_and_del(std::vector<Element_t*>& vec, std::vector<Element_t*>& out)
+void CXmlOpr::copy_and_del(std::vector<Element_t*>& vec,
+                           std::vector<Element_t*>& out)
 {
     out.clear();
     // 先找到最后一个节点
-    Element_t* last_node = parent_node2_->LastChildElement(opr_base_.item_key.c_str());
+    Element_t* last_node =
+        parent_node2_->LastChildElement(opr_base_.item_key.c_str());
     Element_t* last_node_bk = last_node;
     if (last_node == nullptr) {
         return;
@@ -139,7 +149,8 @@ void CXmlOpr::copy_and_del(std::vector<Element_t*>& vec, std::vector<Element_t*>
         last_node = n;
     }
     // 删除原有的节点
-    Element_t* fnode = parent_node2_->FirstChildElement(opr_base_.item_key.c_str());
+    Element_t* fnode =
+        parent_node2_->FirstChildElement(opr_base_.item_key.c_str());
     Element_t* fnext = fnode->NextSiblingElement();
     while (fnode != last_node_bk) {
         parent_node2_->DeleteChild(fnode);
@@ -183,7 +194,8 @@ bool CXmlOpr::check_valid_xml_data(const std::string& data)
 
 bool CXmlOpr::check_same_struct(const std::string& data)
 {
-    auto* own_ele = parent_node2_->FirstChildElement(opr_base_.item_key.c_str());
+    auto* own_ele =
+        parent_node2_->FirstChildElement(opr_base_.item_key.c_str());
     if (own_ele == nullptr) {
         return true;
     }
@@ -222,10 +234,12 @@ bool CXmlOpr::check_same_struct(const std::string& data)
 
 // Warning: 不检查 xml 格式合法性，请自行调用 check_valid_xml_data
 //          且导入前每条数据请自行使用 check_same_struct 检测。
-bool CXmlOpr::import_newer_data(const std::vector<std::string>& vec, std::size_t& success_count)
+bool CXmlOpr::import_newer_data(const std::vector<std::string>& vec,
+                                std::size_t& success_count)
 {
     success_count = 0;
-    auto* last_item = parent_node2_->LastChildElement(opr_base_.item_key.c_str());
+    auto* last_item =
+        parent_node2_->LastChildElement(opr_base_.item_key.c_str());
     if (last_item == nullptr) {
         return false;
     }
@@ -248,6 +262,114 @@ bool CXmlOpr::import_newer_data(const std::vector<std::string>& vec, std::size_t
     }
     return true;
 }
+std::string CXmlOpr::handle_space(const std::string& content)
+{
+    std::string result;
+    size_t pos = 0;
+    size_t len = content.length();
+
+    // Define a regular expression for the operators
+    std::regex operators_regex(R"(&&|!=|==|<|>|\|\||\+|-|\*|/)");
+
+    while (pos < len) {
+        size_t start_quote = content.find('"', pos);
+        if (start_quote == std::string::npos) {
+            result.append(content.substr(pos));
+            break;
+        }
+
+        // Append everything before the first quote
+        result.append(content.substr(pos, start_quote - pos));
+
+        // Find the ending quote
+        size_t end_quote = content.find('"', start_quote + 1);
+        if (end_quote == std::string::npos) {
+            result.append(content.substr(start_quote));
+            break;
+        }
+
+        // Extract the quoted content
+        std::string quoted_content =
+            content.substr(start_quote + 1, end_quote - start_quote - 1);
+        std::string processed_content =
+            std::regex_replace(quoted_content, operators_regex, " $& ");
+
+        // Process quoted content to replace multiple spaces with a single space
+        std::istringstream iss(processed_content);
+        std::ostringstream oss;
+        std::string word;
+        bool first = true;
+        while (iss >> word) {
+            if (!first) {
+                oss << ' ';
+            }
+            oss << word;
+            first = false;
+        }
+
+        // Append processed content with quotes
+        result.append("\"" + oss.str() + "\"");
+
+        // Move past the ending quote
+        pos = end_quote + 1;
+    }
+
+    return result;
+}
+bool CXmlOpr::handle_transfer(const std::string& path)
+{
+    std::ifstream file(path);
+    if (!file.is_open()) {
+        return false;
+    }
+
+    std::istreambuf_iterator<char> ifter(file);
+    std::istreambuf_iterator<char> iter;
+    std::string content(ifter, iter);
+    file.close();
+
+    size_t pos = 0;
+    std::string result = content;
+
+    // Replace XML entities with their corresponding characters
+    while ((pos = result.find("&amp;", pos)) != std::string::npos) {
+        result.replace(pos, 5, "&");
+        pos += 1;   // Move past the replaced character
+    }
+
+    pos = 0;
+    while ((pos = result.find("&lt;", pos)) != std::string::npos) {
+        result.replace(pos, 4, "<");
+        pos += 1;   // Move past the replaced character
+    }
+
+    pos = 0;
+    while ((pos = result.find("&gt;", pos)) != std::string::npos) {
+        result.replace(pos, 4, ">");
+        pos += 1;   // Move past the replaced character
+    }
+
+    pos = 0;
+    while ((pos = result.find("&quot;", pos)) != std::string::npos) {
+        result.replace(pos, 6, "\"");
+        pos += 1;   // Move past the replaced character
+    }
+
+    pos = 0;
+    while ((pos = result.find("&apos;", pos)) != std::string::npos) {
+        result.replace(pos, 6, "'");
+        pos += 1;   // Move past the replaced character
+    }
+
+    // 处理空格格式化
+    std::string sec_handle = handle_space(result);
+    std::ofstream ofile(path);
+    if (!ofile.is_open()) {
+        return false;
+    }
+    ofile << sec_handle;
+    return true;
+}
 
 void CXmlOpr::del_element(Element_t* ele)
 {
@@ -267,7 +389,8 @@ bool CXmlOpr::check_key_exists(const std::string& key)
     if (keys_.size() < 1 || key.empty()) {
         return false;
     }
-    Element_t* purpose_node = parent_node2_->FirstChildElement(opr_base_.item_key.c_str());
+    Element_t* purpose_node =
+        parent_node2_->FirstChildElement(opr_base_.item_key.c_str());
     while (purpose_node) {
         const char* value = purpose_node->Attribute(keys_[0].c_str());
         if (key == std::string(value)) {
@@ -287,6 +410,21 @@ bool CXmlOpr::save()
     return true;
 }
 
+bool CXmlOpr::handle_save(const std::string& path)
+{
+    if (!open(path)) {
+        return false;
+    }
+    auto ret = doc_.SaveFile(xml_path_.c_str());
+    if (ret != tinyxml2::XML_SUCCESS) {
+        return false;
+    }
+    if (!handle_transfer(xml_path_)) {
+        return false;
+    }
+    return true;
+}
+
 void CXmlOpr::get_attributes(Element_t* ele, Property_t& vec)
 {
     if (ele == nullptr) {
diff --git a/src/xml_opr.h b/src/xml_opr.h
index d9f92d8..dfe3e6a 100644
--- a/src/xml_opr.h
+++ b/src/xml_opr.h
@@ -1,11 +1,13 @@
 #ifndef XML_OPERT_HEADER
 #define XML_OPERT_HEADER
 
-#include "config.h"
-#include <string>
 #include <tinyxml2.h>
+
+#include <string>
 #include <vector>
 
+#include "config.h"
+
 struct SKeyValue {
     SKeyValue(const char* pkey, const char* pvalue);
     std::string key;
@@ -26,13 +28,17 @@ public:
     void set_baseinfo(const OneGroupIni& base);
     bool parse_xml(std::vector<Element_t*>& vec);
     bool get_all_unit(std::vector<std::string>& units);
-    bool get_all_elements(std::vector<Element_t*>& vec, const std::string& unit = "");
-    void copy_and_del(std::vector<Element_t*>& vec, std::vector<Element_t*>& out);
+    bool get_all_elements(std::vector<Element_t*>& vec,
+                          const std::string& unit = "");
+    void copy_and_del(std::vector<Element_t*>& vec,
+                      std::vector<Element_t*>& out);
     void insert_brother_node(Element_t* brother, Element_t* newer);
     void del_element(Element_t* ele);
     bool check_key_exists(const Property_t& property);
     bool check_key_exists(const std::string& key);
     bool save();
+    bool handle_save(const std::string& path);
+    std::string handle_space(const std::string& content);
 
 public:
     Element_t* copy_element(Element_t* ele);
@@ -41,7 +47,10 @@ public:
     // 不检查 xml 格式合法性，请自行调用 check_valid_xml_data
     bool check_same_struct(const std::string& data);
     // 不检查 xml 格式合法性，请自行调用 check_valid_xml_data
-    bool import_newer_data(const std::vector<std::string>& vec, std::size_t& success_count);
+    bool import_newer_data(const std::vector<std::string>& vec,
+                           std::size_t& success_count);
+    // 处理转义
+    bool handle_transfer(const std::string& path);
 
 public:
     void get_attributes(Element_t* ele, Property_t& vec);