diff --git a/resources/images/chaxun.png b/resources/images/chaxun.png
new file mode 100644
index 0000000..952dacc
Binary files /dev/null and b/resources/images/chaxun.png differ
diff --git a/resources/images/zhuanhuan.png b/resources/images/zhuanhuan.png
new file mode 100644
index 0000000..738ea85
Binary files /dev/null and b/resources/images/zhuanhuan.png differ
diff --git a/src/mainwindow/mainwindow.cpp b/src/mainwindow/mainwindow.cpp
index f1b9335..2c43bfb 100644
--- a/src/mainwindow/mainwindow.cpp
+++ b/src/mainwindow/mainwindow.cpp
@@ -123,11 +123,21 @@ void MainWindow::initContent()
     QString helpKey;
     QString aboutKey;
     QString settingKey;
-    addPageNode("转码业务", createBatchConvertPage(), ElaIconType::FileCode);
-    //addPageNode("功能搜索", createFunctionSearchPage(), ElaIconType::MagnifyingGlass);
+    QString funcSearchKey;
+    QString funcConvertKey;
+    
+    addExpanderNode("功能转码", funcConvertKey, ElaIconType::FileCode);
+    addPageNode("业务转码", createBatchConvertPage(), funcConvertKey, ElaIconType::ArrowsRepeat);
+    
+    addExpanderNode("功能查询", funcSearchKey, ElaIconType::MagnifyingGlass);
+    addPageNode("UF20功能查询", createUF20FunctionSearchPage(), funcSearchKey, ElaIconType::FileCode);
+    addPageNode("UFT3功能查询", createUFT3FunctionSearchPage(), funcSearchKey, ElaIconType::FileCode);
+    
     addFooterNode("帮助", createHelpPage(), helpKey, 0, ElaIconType::CircleQuestion);
     addFooterNode("关于", createAboutPage(), aboutKey, 0, ElaIconType::User);
     addFooterNode("设置", createSettingsPage(), settingKey, 0, ElaIconType::GearComplex);
+    
+    expandNavigationNode(funcConvertKey);
 }
 
 QWidget* MainWindow::createBatchConvertPage()
@@ -143,6 +153,16 @@ QWidget* MainWindow::createFunctionSearchPage()
     return new FunctionSearchPage;
 }
 
+QWidget* MainWindow::createUF20FunctionSearchPage()
+{
+    return new UF20FunctionSearchPage;
+}
+
+QWidget* MainWindow::createUFT3FunctionSearchPage()
+{
+    return new UFT3FunctionSearchPage;
+}
+
 QWidget* MainWindow::createHelpPage()
 {
     return new HelpPage;
diff --git a/src/mainwindow/mainwindow.h b/src/mainwindow/mainwindow.h
index cb30eb0..1db02fb 100644
--- a/src/mainwindow/mainwindow.h
+++ b/src/mainwindow/mainwindow.h
@@ -7,6 +7,8 @@
 #include "src/pythonrunner/PythonRunner.h"
 #include "src/pages/batchconvert/batchconvertpage.h"
 #include "src/pages/functionsearch/functionsearchpage.h"
+#include "src/pages/functionsearch/uf20functionsearchpage.h"
+#include "src/pages/functionsearch/uft3functionsearchpage.h"
 #include "src/pages/help/helppage.h"
 #include "src/pages/about/aboutpage.h"
 #include "src/pages/settings/settingspage.h"
@@ -25,6 +27,8 @@ private:
 
     QWidget* createBatchConvertPage();
     QWidget* createFunctionSearchPage();
+    QWidget* createUF20FunctionSearchPage();
+    QWidget* createUFT3FunctionSearchPage();
     QWidget* createHelpPage();
     QWidget* createAboutPage();
     QWidget* createSettingsPage();
diff --git a/src/pages/functionsearch/functionsearchpage.cpp b/src/pages/functionsearch/functionsearchpage.cpp
index f69cc55..478245f 100644
--- a/src/pages/functionsearch/functionsearchpage.cpp
+++ b/src/pages/functionsearch/functionsearchpage.cpp
@@ -1,13 +1,6 @@
 #include "functionsearchpage.h"
 #include <QVBoxLayout>
-#include <QHBoxLayout>
-#include <QHeaderView>
-#include <QFileDialog>
-#include <QMessageBox>
-#include <QCoreApplication>
-#include <QFile>
-#include <QTextStream>
-#include <QSet>
+#include <QLabel>
 
 FunctionSearchPage::FunctionSearchPage(QWidget *parent)
     : QWidget(parent)
@@ -21,133 +14,10 @@ FunctionSearchPage::~FunctionSearchPage()
 
 void FunctionSearchPage::initUI()
 {
-    QVBoxLayout *mainLayout = new QVBoxLayout(this);
-    mainLayout->setContentsMargins(30, 30, 30, 30);
-    mainLayout->setSpacing(15);
-
-    m_tabWidget = new QTabWidget;
-
-    // ==========================================
-    // Tab 1: UF20功能搜索
-    // ==========================================
-    QWidget *uf20Tab = new QWidget;
-    QVBoxLayout *uf20Layout = new QVBoxLayout(uf20Tab);
-    uf20Layout->setSpacing(15);
-
-    QHBoxLayout *uf20SearchLayout = new QHBoxLayout;
-    m_uf20SearchEdit = new QLineEdit;
-    m_uf20SearchEdit->setPlaceholderText("输入功能名称或关键词搜索...");
-    m_uf20SearchBtn = new QPushButton("搜索");
-    m_uf20SearchBtn->setStyleSheet("padding: 8px 25px;");
-    connect(m_uf20SearchBtn, &QPushButton::clicked, this, &FunctionSearchPage::onSearchUF20);
-    connect(m_uf20SearchEdit, &QLineEdit::returnPressed, this, &FunctionSearchPage::onSearchUF20);
-    connect(m_uf20SearchEdit, &QLineEdit::textChanged, this, &FunctionSearchPage::onUF20SearchTextChanged);
-    uf20SearchLayout->addWidget(m_uf20SearchEdit);
-    uf20SearchLayout->addWidget(m_uf20SearchBtn);
-    uf20Layout->addLayout(uf20SearchLayout);
-
-    m_uf20ResultTable = new QTableWidget;
-    m_uf20ResultTable->setColumnCount(4);
-    m_uf20ResultTable->setHorizontalHeaderLabels({"功能名称", "功能类型", "所属模块", "文件路径"});
-    m_uf20ResultTable->horizontalHeader()->setStretchLastSection(true);
-    m_uf20ResultTable->horizontalHeader()->setSectionResizeMode(0, QHeaderView::ResizeToContents);
-    m_uf20ResultTable->horizontalHeader()->setSectionResizeMode(1, QHeaderView::ResizeToContents);
-    m_uf20ResultTable->horizontalHeader()->setSectionResizeMode(2, QHeaderView::ResizeToContents);
-    m_uf20ResultTable->setSelectionBehavior(QAbstractItemView::SelectRows);
-    m_uf20ResultTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
-    m_uf20ResultTable->setAlternatingRowColors(true);
-    uf20Layout->addWidget(m_uf20ResultTable);
-
-    m_uf20StatusLabel = new QLabel("请输入关键词搜索UF20功能");
-    uf20Layout->addWidget(m_uf20StatusLabel);
-
-    m_tabWidget->addTab(uf20Tab, "UF20功能");
-
-    // ==========================================
-    // Tab 2: UFT3功能搜索
-    // ==========================================
-    QWidget *uft3Tab = new QWidget;
-    QVBoxLayout *uft3Layout = new QVBoxLayout(uft3Tab);
-    uft3Layout->setSpacing(15);
-
-    QHBoxLayout *uft3SearchLayout = new QHBoxLayout;
-    m_uft3SearchEdit = new QLineEdit;
-    m_uft3SearchEdit->setPlaceholderText("输入功能名称或关键词搜索...");
-    m_uft3SearchBtn = new QPushButton("搜索");
-    m_uft3SearchBtn->setStyleSheet("padding: 8px 25px;");
-    connect(m_uft3SearchBtn, &QPushButton::clicked, this, &FunctionSearchPage::onSearchUFT3);
-    connect(m_uft3SearchEdit, &QLineEdit::returnPressed, this, &FunctionSearchPage::onSearchUFT3);
-    connect(m_uft3SearchEdit, &QLineEdit::textChanged, this, &FunctionSearchPage::onUFT3SearchTextChanged);
-    uft3SearchLayout->addWidget(m_uft3SearchEdit);
-    uft3SearchLayout->addWidget(m_uft3SearchBtn);
-    uft3Layout->addLayout(uft3SearchLayout);
-
-    m_uft3ResultTable = new QTableWidget;
-    m_uft3ResultTable->setColumnCount(4);
-    m_uft3ResultTable->setHorizontalHeaderLabels({"功能名称", "功能类型", "所属模块", "文件路径"});
-    m_uft3ResultTable->horizontalHeader()->setStretchLastSection(true);
-    m_uft3ResultTable->horizontalHeader()->setSectionResizeMode(0, QHeaderView::ResizeToContents);
-    m_uft3ResultTable->horizontalHeader()->setSectionResizeMode(1, QHeaderView::ResizeToContents);
-    m_uft3ResultTable->horizontalHeader()->setSectionResizeMode(2, QHeaderView::ResizeToContents);
-    m_uft3ResultTable->setSelectionBehavior(QAbstractItemView::SelectRows);
-    m_uft3ResultTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
-    m_uft3ResultTable->setAlternatingRowColors(true);
-    uft3Layout->addWidget(m_uft3ResultTable);
-
-    m_uft3StatusLabel = new QLabel("请输入关键词搜索UFT3功能");
-    uft3Layout->addWidget(m_uft3StatusLabel);
-
-    m_tabWidget->addTab(uft3Tab, "UFT3功能");
-
-    mainLayout->addWidget(m_tabWidget);
-}
-
-void FunctionSearchPage::onSearchUF20()
-{
-    QString keyword = m_uf20SearchEdit->text().trimmed();
-    if (keyword.isEmpty()) {
-        m_uf20StatusLabel->setText("请输入搜索关键词");
-        return;
-    }
-
-    m_uf20ResultTable->setRowCount(0);
-    m_uf20StatusLabel->setText(QString("正在搜索 \"%1\"...").arg(keyword));
-
-    m_uf20ResultTable->insertRow(0);
-    m_uf20ResultTable->setItem(0, 0, new QTableWidgetItem(keyword));
-    m_uf20ResultTable->setItem(0, 1, new QTableWidgetItem("-"));
-    m_uf20ResultTable->setItem(0, 2, new QTableWidgetItem("-"));
-    m_uf20ResultTable->setItem(0, 3, new QTableWidgetItem("-"));
-
-    m_uf20StatusLabel->setText(QString("搜索完成，共找到 1 条结果"));
-}
-
-void FunctionSearchPage::onSearchUFT3()
-{
-    QString keyword = m_uft3SearchEdit->text().trimmed();
-    if (keyword.isEmpty()) {
-        m_uft3StatusLabel->setText("请输入搜索关键词");
-        return;
-    }
-
-    m_uft3ResultTable->setRowCount(0);
-    m_uft3StatusLabel->setText(QString("正在搜索 \"%1\"...").arg(keyword));
-
-    m_uft3ResultTable->insertRow(0);
-    m_uft3ResultTable->setItem(0, 0, new QTableWidgetItem(keyword));
-    m_uft3ResultTable->setItem(0, 1, new QTableWidgetItem("-"));
-    m_uft3ResultTable->setItem(0, 2, new QTableWidgetItem("-"));
-    m_uft3ResultTable->setItem(0, 3, new QTableWidgetItem("-"));
-
-    m_uft3StatusLabel->setText(QString("搜索完成，共找到 1 条结果"));
-}
-
-void FunctionSearchPage::onUF20SearchTextChanged(const QString &text)
-{
-    Q_UNUSED(text);
-}
-
-void FunctionSearchPage::onUFT3SearchTextChanged(const QString &text)
-{
-    Q_UNUSED(text);
+    QVBoxLayout *layout = new QVBoxLayout(this);
+    layout->setContentsMargins(30, 30, 30, 30);
+    
+    QLabel *label = new QLabel("功能查询");
+    label->setStyleSheet("font-size: 18px; font-weight: bold;");
+    layout->addWidget(label);
 }
diff --git a/src/pages/functionsearch/functionsearchpage.h b/src/pages/functionsearch/functionsearchpage.h
index 604f5d9..de85f47 100644
--- a/src/pages/functionsearch/functionsearchpage.h
+++ b/src/pages/functionsearch/functionsearchpage.h
@@ -3,10 +3,8 @@
 
 #include <QWidget>
 #include <QLineEdit>
-#include <QTabWidget>
 #include <QTableWidget>
 #include <QPushButton>
-#include <QLabel>
 
 class FunctionSearchPage : public QWidget
 {
@@ -16,26 +14,11 @@ public:
     explicit FunctionSearchPage(QWidget *parent = nullptr);
     ~FunctionSearchPage();
 
-private slots:
-    void onSearchUF20();
-    void onSearchUFT3();
-    void onUF20SearchTextChanged(const QString &text);
-    void onUFT3SearchTextChanged(const QString &text);
-
 private:
     void initUI();
-
-    QTabWidget *m_tabWidget;
-
-    QLineEdit *m_uf20SearchEdit;
-    QPushButton *m_uf20SearchBtn;
-    QTableWidget *m_uf20ResultTable;
-    QLabel *m_uf20StatusLabel;
-
-    QLineEdit *m_uft3SearchEdit;
-    QPushButton *m_uft3SearchBtn;
-    QTableWidget *m_uft3ResultTable;
-    QLabel *m_uft3StatusLabel;
+    
+    QLineEdit *m_searchEdit;
+    QTableWidget *m_resultTable;
 };
 
-#endif // FUNCTIONSEARCHPAGE_H
+#endif
diff --git a/src/pages/functionsearch/uf20functionsearchpage.cpp b/src/pages/functionsearch/uf20functionsearchpage.cpp
new file mode 100644
index 0000000..40e41e8
--- /dev/null
+++ b/src/pages/functionsearch/uf20functionsearchpage.cpp
@@ -0,0 +1,95 @@
+#include "uf20functionsearchpage.h"
+#include "src/utils/datacache.h"
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QTableWidgetItem>
+#include <QHeaderView>
+#include <QMessageBox>
+#include <QComboBox>
+
+UF20FunctionSearchPage::UF20FunctionSearchPage(QWidget *parent)
+    : QWidget(parent)
+{
+    initUI();
+}
+
+UF20FunctionSearchPage::~UF20FunctionSearchPage()
+{
+}
+
+void UF20FunctionSearchPage::initUI()
+{
+    QVBoxLayout *layout = new QVBoxLayout(this);
+    layout->setContentsMargins(30, 30, 30, 30);
+    layout->setSpacing(20);
+
+    QHBoxLayout *searchLayout = new QHBoxLayout;
+    searchLayout->setSpacing(10);
+    
+    m_searchComboBox = new QComboBox;
+    m_searchComboBox->addItem("功能名称", "cname");
+    m_searchComboBox->addItem("功能编号", "function_no");
+    searchLayout->addWidget(m_searchComboBox);
+    
+    m_searchEdit = new QLineEdit;
+    m_searchEdit->setPlaceholderText("输入查询内容");
+    m_searchEdit->setMinimumWidth(300);
+    searchLayout->addWidget(m_searchEdit);
+    
+    QPushButton *searchBtn = new QPushButton("搜索");
+    searchBtn->setStyleSheet("background-color: #3498db; color: white; padding: 6px 20px; border: none; border-radius: 4px;");
+    connect(searchBtn, &QPushButton::clicked, this, &UF20FunctionSearchPage::onSearch);
+    searchLayout->addWidget(searchBtn);
+    
+    searchLayout->addStretch();
+    layout->addLayout(searchLayout);
+
+    m_resultTable = new QTableWidget;
+    m_resultTable->setColumnCount(3);
+    m_resultTable->setHorizontalHeaderLabels({"英文名", "功能编号", "功能名称"});
+    m_resultTable->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
+    m_resultTable->setMinimumHeight(400);
+    m_resultTable->setSelectionBehavior(QAbstractItemView::SelectRows);
+    m_resultTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
+    layout->addWidget(m_resultTable);
+}
+
+void UF20FunctionSearchPage::onSearch()
+{
+    QString keyword = m_searchEdit->text().trimmed();
+    
+    m_resultTable->setRowCount(0);
+    
+    if (keyword.isEmpty()) {
+        QMessageBox::information(this, "提示", "请输入查询内容");
+        return;
+    }
+    
+    QString field = m_searchComboBox->currentData().toString();
+    QList<FunctionInfo> results = DataCache::instance()->searchUF20Functions(keyword, field);
+    
+    if (results.isEmpty()) {
+        QMessageBox::information(this, "提示", "未找到匹配的功能");
+        return;
+    }
+    
+    int row = 0;
+    for (const FunctionInfo& info : results) {
+        m_resultTable->insertRow(row);
+        
+        QTableWidgetItem *cnameItem = new QTableWidgetItem(info.cname);
+        cnameItem->setFlags(cnameItem->flags() & ~Qt::ItemIsEditable);
+        m_resultTable->setItem(row, 0, cnameItem);
+        
+        QTableWidgetItem *eNameItem = new QTableWidgetItem(info.eName);
+        eNameItem->setFlags(eNameItem->flags() & ~Qt::ItemIsEditable);
+        m_resultTable->setItem(row, 1, eNameItem);
+        
+        QTableWidgetItem *funcNoItem = new QTableWidgetItem(info.functionNo);
+        funcNoItem->setFlags(funcNoItem->flags() & ~Qt::ItemIsEditable);
+        m_resultTable->setItem(row, 2, funcNoItem);
+        
+        row++;
+    }
+}
diff --git a/src/pages/functionsearch/uf20functionsearchpage.h b/src/pages/functionsearch/uf20functionsearchpage.h
new file mode 100644
index 0000000..bfeb318
--- /dev/null
+++ b/src/pages/functionsearch/uf20functionsearchpage.h
@@ -0,0 +1,29 @@
+#ifndef UF20FUNCTIONSEARCHPAGE_H
+#define UF20FUNCTIONSEARCHPAGE_H
+
+#include <QWidget>
+#include <QLineEdit>
+#include <QTableWidget>
+#include <QPushButton>
+#include <QComboBox>
+
+class UF20FunctionSearchPage : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit UF20FunctionSearchPage(QWidget *parent = nullptr);
+    ~UF20FunctionSearchPage();
+
+private slots:
+    void onSearch();
+
+private:
+    void initUI();
+    
+    QComboBox *m_searchComboBox;
+    QLineEdit *m_searchEdit;
+    QTableWidget *m_resultTable;
+};
+
+#endif
diff --git a/src/pages/functionsearch/uft3functionsearchpage.cpp b/src/pages/functionsearch/uft3functionsearchpage.cpp
new file mode 100644
index 0000000..86945d4
--- /dev/null
+++ b/src/pages/functionsearch/uft3functionsearchpage.cpp
@@ -0,0 +1,95 @@
+#include "uft3functionsearchpage.h"
+#include "src/utils/datacache.h"
+#include <QVBoxLayout>
+#include <QHBoxLayout>
+#include <QLabel>
+#include <QTableWidgetItem>
+#include <QHeaderView>
+#include <QMessageBox>
+#include <QComboBox>
+
+UFT3FunctionSearchPage::UFT3FunctionSearchPage(QWidget *parent)
+    : QWidget(parent)
+{
+    initUI();
+}
+
+UFT3FunctionSearchPage::~UFT3FunctionSearchPage()
+{
+}
+
+void UFT3FunctionSearchPage::initUI()
+{
+    QVBoxLayout *layout = new QVBoxLayout(this);
+    layout->setContentsMargins(30, 30, 30, 30);
+    layout->setSpacing(20);
+
+    QHBoxLayout *searchLayout = new QHBoxLayout;
+    searchLayout->setSpacing(10);
+    
+    m_searchComboBox = new QComboBox;
+    m_searchComboBox->addItem("功能名称", "cname");
+    m_searchComboBox->addItem("功能编号", "function_no");
+    searchLayout->addWidget(m_searchComboBox);
+    
+    m_searchEdit = new QLineEdit;
+    m_searchEdit->setPlaceholderText("输入查询内容");
+    m_searchEdit->setMinimumWidth(300);
+    searchLayout->addWidget(m_searchEdit);
+    
+    QPushButton *searchBtn = new QPushButton("搜索");
+    searchBtn->setStyleSheet("background-color: #3498db; color: white; padding: 6px 20px; border: none; border-radius: 4px;");
+    connect(searchBtn, &QPushButton::clicked, this, &UFT3FunctionSearchPage::onSearch);
+    searchLayout->addWidget(searchBtn);
+    
+    searchLayout->addStretch();
+    layout->addLayout(searchLayout);
+
+    m_resultTable = new QTableWidget;
+    m_resultTable->setColumnCount(3);
+    m_resultTable->setHorizontalHeaderLabels({"英文名", "功能编号", "功能名称"});
+    m_resultTable->horizontalHeader()->setSectionResizeMode(QHeaderView::Stretch);
+    m_resultTable->setMinimumHeight(400);
+    m_resultTable->setSelectionBehavior(QAbstractItemView::SelectRows);
+    m_resultTable->setEditTriggers(QAbstractItemView::NoEditTriggers);
+    layout->addWidget(m_resultTable);
+}
+
+void UFT3FunctionSearchPage::onSearch()
+{
+    QString keyword = m_searchEdit->text().trimmed();
+    
+    m_resultTable->setRowCount(0);
+    
+    if (keyword.isEmpty()) {
+        QMessageBox::information(this, "提示", "请输入查询内容");
+        return;
+    }
+    
+    QString field = m_searchComboBox->currentData().toString();
+    QList<FunctionInfo> results = DataCache::instance()->searchUFT3Functions(keyword, field);
+    
+    if (results.isEmpty()) {
+        QMessageBox::information(this, "提示", "未找到匹配的功能");
+        return;
+    }
+    
+    int row = 0;
+    for (const FunctionInfo& info : results) {
+        m_resultTable->insertRow(row);
+        
+        QTableWidgetItem *cnameItem = new QTableWidgetItem(info.cname);
+        cnameItem->setFlags(cnameItem->flags() & ~Qt::ItemIsEditable);
+        m_resultTable->setItem(row, 0, cnameItem);
+        
+        QTableWidgetItem *eNameItem = new QTableWidgetItem(info.eName);
+        eNameItem->setFlags(eNameItem->flags() & ~Qt::ItemIsEditable);
+        m_resultTable->setItem(row, 1, eNameItem);
+        
+        QTableWidgetItem *funcNoItem = new QTableWidgetItem(info.functionNo);
+        funcNoItem->setFlags(funcNoItem->flags() & ~Qt::ItemIsEditable);
+        m_resultTable->setItem(row, 2, funcNoItem);
+        
+        row++;
+    }
+}
diff --git a/src/pages/functionsearch/uft3functionsearchpage.h b/src/pages/functionsearch/uft3functionsearchpage.h
new file mode 100644
index 0000000..79075c8
--- /dev/null
+++ b/src/pages/functionsearch/uft3functionsearchpage.h
@@ -0,0 +1,29 @@
+#ifndef UFT3FUNCTIONSEARCHPAGE_H
+#define UFT3FUNCTIONSEARCHPAGE_H
+
+#include <QWidget>
+#include <QLineEdit>
+#include <QTableWidget>
+#include <QPushButton>
+#include <QComboBox>
+
+class UFT3FunctionSearchPage : public QWidget
+{
+    Q_OBJECT
+
+public:
+    explicit UFT3FunctionSearchPage(QWidget *parent = nullptr);
+    ~UFT3FunctionSearchPage();
+
+private slots:
+    void onSearch();
+
+private:
+    void initUI();
+    
+    QComboBox *m_searchComboBox;
+    QLineEdit *m_searchEdit;
+    QTableWidget *m_resultTable;
+};
+
+#endif
diff --git a/src/utils/datacache.cpp b/src/utils/datacache.cpp
index af09222..f2b8739 100644
--- a/src/utils/datacache.cpp
+++ b/src/utils/datacache.cpp
@@ -149,7 +149,7 @@ bool DataCache::saveUF20Config(const QString& fileName, const QJsonObject& data)
             if (!cname.isEmpty()) {
                 cnames.append(cname);
                 eNames.append(obj.value("eName").toString());
-                functionNos.append(obj.value("function_no").toString());
+                functionNos.append(obj.value("functionNo").toString());
             }
         }
     }
@@ -205,7 +205,7 @@ bool DataCache::saveUFT3Config(const QString& fileName, const QJsonObject& data)
             if (!cname.isEmpty()) {
                 cnames.append(cname);
                 eNames.append(obj.value("eName").toString());
-                functionNos.append(obj.value("function_no").toString());
+                functionNos.append(obj.value("functionNo").toString());
             }
         }
     }
@@ -313,6 +313,56 @@ QSet<QString> DataCache::getAllUF20Cnames()
     return result;
 }
 
+QList<FunctionInfo> DataCache::searchUF20Functions(const QString& keyword, const QString& field)
+{
+    QList<FunctionInfo> result;
+    
+    if (!m_db.isOpen()) {
+        return result;
+    }
+    
+    QSqlQuery query(m_db);
+    QString sql;
+    
+    if (field == "cname") {
+        sql = R"(
+            SELECT cname, e_name, function_no 
+            FROM uf20_cname_table 
+            WHERE cname LIKE :keyword
+            ORDER BY cname
+        )";
+    } else if (field == "function_no") {
+        sql = R"(
+            SELECT cname, e_name, function_no 
+            FROM uf20_cname_table 
+            WHERE function_no LIKE :keyword
+            ORDER BY cname
+        )";
+    } else {
+        sql = R"(
+            SELECT cname, e_name, function_no 
+            FROM uf20_cname_table 
+            WHERE cname LIKE :keyword OR e_name LIKE :keyword OR function_no LIKE :keyword
+            ORDER BY cname
+        )";
+    }
+    
+    query.prepare(sql);
+    query.bindValue(":keyword", "%" + keyword + "%");
+    
+    if (query.exec()) {
+        while (query.next()) {
+            FunctionInfo info;
+            info.cname = query.value(0).toString();
+            info.eName = query.value(1).toString();
+            info.functionNo = query.value(2).toString();
+            result.append(info);
+        }
+    }
+    
+    return result;
+}
+
 bool DataCache::checkUFT3CnameExists(const QString& cname)
 {
     if (!m_db.isOpen()) {
@@ -352,6 +402,56 @@ QSet<QString> DataCache::getAllUFT3Cnames()
     return result;
 }
 
+QList<FunctionInfo> DataCache::searchUFT3Functions(const QString& keyword, const QString& field)
+{
+    QList<FunctionInfo> result;
+    
+    if (!m_db.isOpen()) {
+        return result;
+    }
+    
+    QSqlQuery query(m_db);
+    QString sql;
+    
+    if (field == "cname") {
+        sql = R"(
+            SELECT cname, e_name, function_no 
+            FROM uft3_cname_table 
+            WHERE cname LIKE :keyword
+            ORDER BY cname
+        )";
+    } else if (field == "function_no") {
+        sql = R"(
+            SELECT cname, e_name, function_no 
+            FROM uft3_cname_table 
+            WHERE function_no LIKE :keyword
+            ORDER BY cname
+        )";
+    } else {
+        sql = R"(
+            SELECT cname, e_name, function_no 
+            FROM uft3_cname_table 
+            WHERE cname LIKE :keyword OR e_name LIKE :keyword OR function_no LIKE :keyword
+            ORDER BY cname
+        )";
+    }
+    
+    query.prepare(sql);
+    query.bindValue(":keyword", "%" + keyword + "%");
+    
+    if (query.exec()) {
+        while (query.next()) {
+            FunctionInfo info;
+            info.cname = query.value(0).toString();
+            info.eName = query.value(1).toString();
+            info.functionNo = query.value(2).toString();
+            result.append(info);
+        }
+    }
+    
+    return result;
+}
+
 void DataCache::clearCache()
 {
     if (!m_db.isOpen()) {
diff --git a/src/utils/datacache.h b/src/utils/datacache.h
index 1100b3f..2c2a427 100644
--- a/src/utils/datacache.h
+++ b/src/utils/datacache.h
@@ -6,6 +6,12 @@
 #include <QJsonObject>
 #include <QSet>
 
+struct FunctionInfo {
+    QString cname;
+    QString eName;
+    QString functionNo;
+};
+
 class DataCache : public QObject
 {
     Q_OBJECT
@@ -25,9 +31,11 @@ public:
     
     bool checkUF20CnameExists(const QString& cname);
     QSet<QString> getAllUF20Cnames();
+    QList<FunctionInfo> searchUF20Functions(const QString& keyword, const QString& field = "");
     
     bool checkUFT3CnameExists(const QString& cname);
     QSet<QString> getAllUFT3Cnames();
+    QList<FunctionInfo> searchUFT3Functions(const QString& keyword, const QString& field = "");
     
     void clearCache();
 
diff --git a/src/utils/uf2configreader.cpp b/src/utils/uf2configreader.cpp
index 7d05567..973f710 100644
--- a/src/utils/uf2configreader.cpp
+++ b/src/utils/uf2configreader.cpp
@@ -152,3 +152,11 @@ void UF2ConfigReader::clearCnameCache()
     m_cnameCacheLoaded = false;
     LogManager::instance()->logInfo("Cname缓存已清空");
 }
+
+QSet<QString> UF2ConfigReader::getAllCnamesStatic()
+{
+    if (!m_cnameCacheLoaded) {
+        loadCnameCache();
+    }
+    return m_cnameCache;
+}
diff --git a/src/utils/uf2configreader.h b/src/utils/uf2configreader.h
index 1156e53..1a11109 100644
--- a/src/utils/uf2configreader.h
+++ b/src/utils/uf2configreader.h
@@ -21,6 +21,7 @@ public:
     bool checkFunctionExists(const QString& funcName);
     static bool checkFuncExistsStatic(const QString& funcName);
     static void clearCnameCache();
+    static QSet<QString> getAllCnamesStatic();
 
 private:
     static bool loadCnameCache();
diff --git a/src/utils/uft3configreader.cpp b/src/utils/uft3configreader.cpp
index 0ead172..90ffaa0 100644
--- a/src/utils/uft3configreader.cpp
+++ b/src/utils/uft3configreader.cpp
@@ -152,3 +152,11 @@ void UFT3ConfigReader::clearCnameCache()
     m_cnameCacheLoaded = false;
     LogManager::instance()->logInfo("UFT3 Cname缓存已清空");
 }
+
+QSet<QString> UFT3ConfigReader::getAllCnamesStatic()
+{
+    if (!m_cnameCacheLoaded) {
+        loadCnameCache();
+    }
+    return m_cnameCache;
+}
diff --git a/src/utils/uft3configreader.h b/src/utils/uft3configreader.h
index 73f111a..2c8d8a5 100644
--- a/src/utils/uft3configreader.h
+++ b/src/utils/uft3configreader.h
@@ -21,6 +21,7 @@ public:
     bool checkFunctionExists(const QString& funcName);
     static bool checkFuncExistsStatic(const QString& funcName);
     static void clearCnameCache();
+    static QSet<QString> getAllCnamesStatic();
 
 private:
     static bool loadCnameCache();