feat: 新增导入导出功能，支持备份和恢复 PATH 配置

- 添加 import_export 模块，实现 JSON 格式的导入导出
- 在界面中添加导入和导出按钮，并配置回调函数
- 更新配置文件，增加相关文本和状态提示
- 在非管理员权限下禁用导入按钮

src/controller/callbacks.c

@@ -3,6 +3,7 @@
 #include "core/registry_service.h"
 #include "core/path_manager.h"
 #include "core/lua_config.h"
+#include "core/import_export.h"
 #include "utils/string_ext.h"
 #include "utils/os_env.h"
 #include "ui/ui_utils.h"
@@ -358,25 +359,106 @@ int btn_cancel_cb(Ihandle *self)
     return IUP_DEFAULT;
 }
 
-// 按钮回调：帮助
-int btn_help_cb(Ihandle *self)
+// 按钮回调：导入
+int btn_import_cb(Ihandle *self)
 {
-    IupMessage("使用说明",
-               "1. 本程序用于编辑系统环境变量 PATH。\n"
-               "2. 必须以【管理员身份】运行才能保存更改。\n"
-               "3. 操作说明：\n"
-               "   - 新建：添加新路径到列表末尾。\n"
-               "   - 编辑：修改选中的路径。\n"
-               "   - 浏览：从文件系统选择目录添加。\n"
-               "   - 删除：移除选中的路径。\n"
-               "   - 上移/下移：调整路径优先级。\n"
-               "4. 点击【确定】保存更改并生效。\n"
-               "5. 注意：某些正在运行的程序可能需要重启才能识别新的环境变量。\n\n"
-               "--------------------------------------------------\n"
-               "作者：LHY\n"
-               "邮箱：3364451258@qq.com\n"
-               "GitHub：https://github.com/LHY0125/PathEditor\n"
-               "记得给我的项目点个star！");
+    Ihandle *dlg = IupGetDialog(self);
+    AppContext *ctx = get_app_context(dlg);
+    if (!ctx)
+        return IUP_DEFAULT;
+
+    if (!check_admin())
+    {
+        IupMessage("错误", "需要管理员权限才能导入 PATH！");
+        return IUP_DEFAULT;
+    }
+
+    Ihandle *filedlg = IupFileDlg();
+    IupSetAttribute(filedlg, "DIALOGTYPE", "OPEN");
+    IupSetAttribute(filedlg, "TITLE", lua_config_get_string("label", "import_title"));
+    IupSetAttribute(filedlg, "FILTER", "json");
+    IupSetAttribute(filedlg, "EXTFILTER", "JSON 文件 (*.json)|*.json|文本文件 (*.txt)|*.txt|所有文件 (*.*)|*.*");
+
+    IupPopup(filedlg, IUP_CENTER, IUP_CENTER);
+
+    if (IupGetInt(filedlg, "STATUS") != -1)
+    {
+        char *filepath = IupGetAttribute(filedlg, "VALUE");
+        if (filepath)
+        {
+            Ihandle *tabs_main = IupGetDialogChild(dlg, "TABS_MAIN");
+            int pos = IupGetInt(tabs_main, "VALUEPOS");
+
+            StringList *target_list = (pos == 0) ? &ctx->sys_paths : &ctx->user_paths;
+
+            if (import_paths_from_file(filepath, target_list) == 0)
+            {
+                Ihandle *current_list = get_current_list(dlg);
+                sync_string_list_to_ui(current_list, target_list);
+
+                char msg[256];
+                snprintf(msg, sizeof(msg), "成功导入 %d 个路径！", target_list->count);
+                IupMessage("导入成功", msg);
+
+                Ihandle *lbl_status = IupGetDialogChild(dlg, "LBL_STATUS");
+                if (lbl_status)
+                    IupSetAttribute(lbl_status, "TITLE", lua_config_get_string("status", "loaded"));
+            }
+            else
+            {
+                IupMessage("错误", "导入失败，请检查文件格式是否正确！");
+            }
+        }
+    }
+    IupDestroy(filedlg);
+    return IUP_DEFAULT;
+}
+
+// 按钮回调：导出
+int btn_export_cb(Ihandle *self)
+{
+    Ihandle *dlg = IupGetDialog(self);
+    AppContext *ctx = get_app_context(dlg);
+    if (!ctx)
+        return IUP_DEFAULT;
+
+    Ihandle *tabs_main = IupGetDialogChild(dlg, "TABS_MAIN");
+    int pos = IupGetInt(tabs_main, "VALUEPOS");
+
+    StringList *source_list = (pos == 0) ? &ctx->sys_paths : &ctx->user_paths;
+    int is_system = (pos == 0);
+
+    Ihandle *filedlg = IupFileDlg();
+    IupSetAttribute(filedlg, "DIALOGTYPE", "SAVE");
+    IupSetAttribute(filedlg, "TITLE", lua_config_get_string("label", "export_title"));
+    IupSetAttribute(filedlg, "FILTER", "json");
+    IupSetAttribute(filedlg, "EXTFILTER", "JSON 文件 (*.json)|*.json");
+    IupSetAttribute(filedlg, "DEFAULTEXT", "json");
+
+    char default_name[64];
+    snprintf(default_name, sizeof(default_name), "path_%s.json", is_system ? "system" : "user");
+    IupSetAttribute(filedlg, "VALUE", default_name);
+
+    IupPopup(filedlg, IUP_CENTER, IUP_CENTER);
+
+    if (IupGetInt(filedlg, "STATUS") != -1)
+    {
+        char *filepath = IupGetAttribute(filedlg, "VALUE");
+        if (filepath)
+        {
+            if (export_paths_to_file(source_list, filepath, is_system) == 0)
+            {
+                char msg[256];
+                snprintf(msg, sizeof(msg), "成功导出 %d 个路径到：\n%s", source_list->count, filepath);
+                IupMessage("导出成功", msg);
+            }
+            else
+            {
+                IupMessage("错误", "导出失败！");
+            }
+        }
+    }
+    IupDestroy(filedlg);
     return IUP_DEFAULT;
 }
 
@@ -405,4 +487,27 @@ void load_all_paths(void)
     Ihandle *lbl_status = IupGetDialogChild(dlg, "LBL_STATUS");
     if (lbl_status)
         IupSetAttribute(lbl_status, "TITLE", lua_config_get_string("status", "loaded"));
+}
+
+// 按钮回调：帮助
+int btn_help_cb(Ihandle *self)
+{
+    IupMessage("使用说明",
+               "1. 本程序用于编辑系统环境变量 PATH。\n"
+               "2. 必须以【管理员身份】运行才能保存更改。\n"
+               "3. 操作说明：\n"
+               "   - 新建：添加新路径到列表末尾。\n"
+               "   - 编辑：修改选中的路径。\n"
+               "   - 浏览：从文件系统选择目录添加。\n"
+               "   - 删除：移除选中的路径。\n"
+               "   - 上移/下移：调整路径优先级。\n"
+               "   - 导入/导出：备份和恢复 PATH 配置。\n"
+               "4. 点击【确定】保存更改并生效。\n"
+               "5. 注意：某些正在运行的程序可能需要重启才能识别新的环境变量。\n\n"
+               "--------------------------------------------------\n"
+               "作者：LHY\n"
+               "邮箱：3364451258@qq.com\n"
+               "GitHub：https://github.com/LHY0125/PathEditor\n"
+               "记得给我的项目点个star！");
+    return IUP_DEFAULT;
 }

src/core/import_export.c

@@ -0,0 +1,241 @@
+#include "core/import_export.h"
+#include "utils/os_env.h"
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <time.h>
+
+// 获取当前日期时间
+static void get_current_datetime(char *buffer, int size)
+{
+    time_t now = time(NULL);
+    struct tm *tm_info = localtime(&now);
+    strftime(buffer, size, "%Y-%m-%d %H:%M:%S", tm_info);
+}
+
+// 转义 JSON 字符串中的特殊字符
+static char *escape_json_string(const char *str)
+{
+    if (!str)
+        return NULL;
+
+    int len = strlen(str);
+    char *result = (char *)malloc(len * 2 + 1);
+    if (!result)
+        return NULL;
+
+    char *p = result;
+    for (int i = 0; i < len; i++)
+    {
+        switch (str[i])
+        {
+        case '\\':
+            *p++ = '\\';
+            *p++ = '\\';
+            break;
+        case '"':
+            *p++ = '\\';
+            *p++ = '"';
+            break;
+        case '\n':
+            *p++ = '\\';
+            *p++ = 'n';
+            break;
+        case '\r':
+            *p++ = '\\';
+            *p++ = 'r';
+            break;
+        case '\t':
+            *p++ = '\\';
+            *p++ = 't';
+            break;
+        default:
+            *p++ = str[i];
+            break;
+        }
+    }
+    *p = '\0';
+    return result;
+}
+
+// 导出 PATH 到 JSON 文件
+int export_paths_to_file(const StringList *list, const char *filepath, int is_system)
+{
+    if (!list || !filepath)
+        return -1;
+
+    FILE *fp = fopen(filepath, "w, ccs=UTF-8");
+    if (!fp)
+        return -1;
+
+    char datetime[64];
+    get_current_datetime(datetime, sizeof(datetime));
+
+    fprintf(fp, "{\n");
+    fprintf(fp, "  \"version\": \"%s\",\n", EXPORT_VERSION);
+    fprintf(fp, "  \"type\": \"%s\",\n", is_system ? "SYSTEM" : "USER");
+    fprintf(fp, "  \"exported\": \"%s\",\n", datetime);
+    fprintf(fp, "  \"paths\": [\n");
+
+    for (int i = 0; i < list->count; i++)
+    {
+        if (list->items[i])
+        {
+            char *escaped = escape_json_string(list->items[i]);
+            if (escaped)
+            {
+                fprintf(fp, "    \"%s\"%s\n", escaped, (i < list->count - 1) ? "," : "");
+                free(escaped);
+            }
+        }
+    }
+
+    fprintf(fp, "  ]\n");
+    fprintf(fp, "}\n");
+
+    fclose(fp);
+    return 0;
+}
+
+// 移除字符串首尾的空格、制表符、换行符和回车符
+static void trim_whitespace(char *str)
+{
+    char *start = str;
+    while (*start == ' ' || *start == '\t')
+        start++;
+
+    char *end = str + strlen(str) - 1;
+    while (end > start && (*end == ' ' || *end == '\t' || *end == '\n' || *end == '\r'))
+        *end-- = '\0';
+
+    if (start != str)
+        memmove(str, start, strlen(start) + 1);
+}
+
+// 检查是否为注释行或空行
+static int is_comment_or_empty(const char *line)
+{
+    while (*line == ' ' || *line == '\t')
+        line++;
+
+    if (*line == '#' || *line == '\0')
+        return 1;
+
+    return 0;
+}
+
+// 检查是否为 JSON 文件
+static int is_json_file(const char *filepath)
+{
+    const char *ext = strrchr(filepath, '.');
+    return ext && strcasecmp(ext, ".json") == 0;
+}
+
+// 从文件导入 PATH
+int import_paths_from_file(const char *filepath, StringList *list)
+{
+    if (!filepath || !list)
+        return -1;
+
+    if (is_json_file(filepath))
+    {
+        FILE *fp = fopen(filepath, "r, ccs=UTF-8");
+        if (!fp)
+            return -1;
+
+        clear_string_list(list);
+
+        char buffer[8192];
+        int in_paths = 0;
+        int depth = 0;
+        int in_string = 0;
+        char path_buffer[4096];
+        int path_len = 0;
+
+        while (fgets(buffer, sizeof(buffer), fp))
+        {
+            char *p = buffer;
+            while (*p)
+            {
+                if (*p == '"' && (p == buffer || *(p - 1) != '\\'))
+                {
+                    in_string = !in_string;
+                }
+                else if (in_string && *p == '\\')
+                {
+                    p++;
+                    if (*p)
+                    {
+                        if (*p == 'n')
+                            *p = '\n';
+                        else if (*p == 'r')
+                            *p = '\r';
+                        else if (*p == 't')
+                            *p = '\t';
+                    }
+                }
+                else if (!in_string)
+                {
+                    if (*p == '{' || *p == '[')
+                        depth++;
+                    else if (*p == '}' || *p == ']')
+                        depth--;
+                    else if (*p == ':')
+                        in_paths = (depth == 1);
+                    else if (in_paths && depth == 2 && *p == '"')
+                    {
+                        path_len = 0;
+                        p++;
+                        while (*p && path_len < (int)sizeof(path_buffer) - 1)
+                        {
+                            if (*p == '"' && *(p - 1) != '\\')
+                                break;
+                            if (*p == '\\' && *(p + 1))
+                            {
+                                p++;
+                                if (*p == 'n')
+                                    *p = '\n';
+                                else if (*p == 'r')
+                                    *p = '\r';
+                                else if (*p == 't')
+                                    *p = '\t';
+                            }
+                            path_buffer[path_len++] = *p++;
+                        }
+                        if (path_len > 0)
+                        {
+                            path_buffer[path_len] = '\0';
+                            add_string_list(list, path_buffer);
+                        }
+                    }
+                }
+                p++;
+            }
+        }
+
+        fclose(fp);
+        return 0;
+    }
+    else
+    {
+        FILE *fp = fopen(filepath, "r, ccs=UTF-8");
+        if (!fp)
+            return -1;
+
+        clear_string_list(list);
+
+        char line[4096];
+        while (fgets(line, sizeof(line), fp))
+        {
+            trim_whitespace(line);
+
+            if (is_comment_or_empty(line))
+                continue;
+
+            add_string_list(list, line);
+        }
+
+        fclose(fp);
+        return 0;
+    }
+}

src/core/lua_config.c

@@ -6,69 +6,116 @@
 #include <stdlib.h>
 #include <string.h>
 
-static lua_State* G_L = NULL;
+static lua_State *G_L = NULL;
 static int G_loaded = 0;
-static const char* G_config_path = "lua/config.lua";
+static const char *G_config_path = "lua/config.lua";
 
-static const char* get_string_default(const char* section, const char* key)
+static const char *get_string_default(const char *section, const char *key)
 {
     if (strcmp(section, "app") == 0)
     {
-        if (strcmp(key, "name") == 0) return "PathEditor";
-        if (strcmp(key, "name_readonly") == 0) return "PathEditor (只读模式)";
+        if (strcmp(key, "name") == 0)
+            return "PathEditor";
+        if (strcmp(key, "name_readonly") == 0)
+            return "PathEditor (只读模式)";
     }
     else if (strcmp(section, "dialog") == 0)
     {
-        if (strcmp(key, "size") == 0) return "800x800";
-        if (strcmp(key, "minsize") == 0) return "800x800";
-        if (strcmp(key, "select_dir") == 0) return "选择目录";
+        if (strcmp(key, "size") == 0)
+            return "800x800";
+        if (strcmp(key, "minsize") == 0)
+            return "800x800";
+        if (strcmp(key, "select_dir") == 0)
+            return "选择目录";
     }
     else if (strcmp(section, "list") == 0)
     {
-        if (strcmp(key, "item_padding") == 0) return "5x5";
-        if (strcmp(key, "backcolor") == 0) return "255 255 255";
+        if (strcmp(key, "item_padding") == 0)
+            return "5x5";
+        if (strcmp(key, "backcolor") == 0)
+            return "255 255 255";
     }
     else if (strcmp(section, "button") == 0)
     {
-        if (strcmp(key, "rastersize") == 0) return "100x32";
-        if (strcmp(key, "new") == 0) return "新建(N)";
-        if (strcmp(key, "edit") == 0) return "编辑(E)";
-        if (strcmp(key, "browse") == 0) return "浏览(B)...";
-        if (strcmp(key, "del") == 0) return "删除(D)";
-        if (strcmp(key, "up") == 0) return "上移(U)";
-        if (strcmp(key, "down") == 0) return "下移(O)";
-        if (strcmp(key, "clean") == 0) return "一键清理";
-        if (strcmp(key, "ok") == 0) return "确定";
-        if (strcmp(key, "cancel") == 0) return "取消";
-        if (strcmp(key, "help") == 0) return "帮助(?)";
+        if (strcmp(key, "rastersize") == 0)
+            return "100x32";
+        if (strcmp(key, "new") == 0)
+            return "新建(N)";
+        if (strcmp(key, "edit") == 0)
+            return "编辑(E)";
+        if (strcmp(key, "browse") == 0)
+            return "浏览(B)...";
+        if (strcmp(key, "del") == 0)
+            return "删除(D)";
+        if (strcmp(key, "up") == 0)
+            return "上移(U)";
+        if (strcmp(key, "down") == 0)
+            return "下移(O)";
+        if (strcmp(key, "clean") == 0)
+            return "一键清理";
+        if (strcmp(key, "import") == 0)
+            return "导入(I)";
+        if (strcmp(key, "export") == 0)
+            return "导出(E)";
+        if (strcmp(key, "ok") == 0)
+            return "确定";
+        if (strcmp(key, "cancel") == 0)
+            return "取消";
+        if (strcmp(key, "help") == 0)
+            return "帮助(?)";
     }
     else if (strcmp(section, "label") == 0)
     {
-        if (strcmp(key, "title") == 0) return "环境变量编辑器:";
-        if (strcmp(key, "search_placeholder") == 0) return "输入关键词搜索...";
-        if (strcmp(key, "tab_sys") == 0) return "系统变量 (System)";
-        if (strcmp(key, "tab_user") == 0) return "用户变量 (User)";
+        if (strcmp(key, "title") == 0)
+            return "环境变量编辑器:";
+        if (strcmp(key, "search_placeholder") == 0)
+            return "输入关键词搜索...";
+        if (strcmp(key, "tab_sys") == 0)
+            return "系统变量 (System)";
+        if (strcmp(key, "tab_user") == 0)
+            return "用户变量 (User)";
+        if (strcmp(key, "export_title") == 0)
+            return "导出 PATH";
+        if (strcmp(key, "import_title") == 0)
+            return "导入 PATH";
     }
     else if (strcmp(section, "layout") == 0)
     {
-        if (strcmp(key, "vbox_gap") == 0) return "5";
-        if (strcmp(key, "vbox_margin") == 0) return "0x0";
-        if (strcmp(key, "vbox_all_margin") == 0) return "10x10";
-        if (strcmp(key, "vbox_all_gap") == 0) return "5";
-        if (strcmp(key, "hbox_gap") == 0) return "10";
-        if (strcmp(key, "hbox_margin") == 0) return "10x10";
-        if (strcmp(key, "hbox_alignment") == 0) return "ACENTER";
+        if (strcmp(key, "vbox_gap") == 0)
+            return "5";
+        if (strcmp(key, "vbox_margin") == 0)
+            return "0x0";
+        if (strcmp(key, "vbox_all_margin") == 0)
+            return "10x10";
+        if (strcmp(key, "vbox_all_gap") == 0)
+            return "5";
+        if (strcmp(key, "hbox_gap") == 0)
+            return "10";
+        if (strcmp(key, "hbox_margin") == 0)
+            return "10x10";
+        if (strcmp(key, "hbox_alignment") == 0)
+            return "ACENTER";
     }
     else if (strcmp(section, "status") == 0)
     {
-        if (strcmp(key, "normal") == 0) return "状态: 就绪";
-        if (strcmp(key, "readonly") == 0) return "状态: ⚠️ 只读模式 (无管理员权限)";
-        if (strcmp(key, "saving") == 0) return "状态: 保存中...";
-        if (strcmp(key, "saved") == 0) return "状态: ✓ 保存成功";
-        if (strcmp(key, "error") == 0) return "状态: ✗ 保存失败";
-        if (strcmp(key, "deleted") == 0) return "状态: 已删除选中项";
-        if (strcmp(key, "loaded") == 0) return "状态: 已加载系统和用户变量";
-        if (strcmp(key, "drag_folder_only") == 0) return "提示: 只能拖拽文件夹添加到 PATH";
+        if (strcmp(key, "normal") == 0)
+            return "状态: 就绪";
+        if (strcmp(key, "readonly") == 0)
+            return "状态: ⚠️ 只读模式 (无管理员权限)";
+        if (strcmp(key, "saving") == 0)
+            return "状态: 保存中...";
+        if (strcmp(key, "saved") == 0)
+            return "状态: ✓ 保存成功";
+        if (strcmp(key, "error") == 0)
+            return "状态: ✗ 保存失败";
+        if (strcmp(key, "deleted") == 0)
+            return "状态: 已删除选中项";
+        if (strcmp(key, "loaded") == 0)
+            return "状态: 已加载系统和用户变量";
+        if (strcmp(key, "drag_folder_only") == 0)
+            return "提示: 只能拖拽文件夹添加到 PATH";
+        if (strcmp(key, "admin_warning") == 0)
+            return "未检测到管理员权限，只能查看和导出 PATH，无法保存更改。";
     }
     return "";
 }
@@ -90,7 +137,7 @@ int lua_config_init(void)
 
     if (luaL_dofile(G_L, G_config_path) != LUA_OK)
     {
-        const char* err = lua_tostring(G_L, -1);
+        const char *err = lua_tostring(G_L, -1);
         if (err)
         {
             fprintf(stderr, "[Lua Config] 加载配置文件失败: %s\n", err);
@@ -115,7 +162,7 @@ void lua_config_destroy(void)
     G_loaded = 0;
 }
 
-const char* lua_config_get_string(const char* section, const char* key)
+const char *lua_config_get_string(const char *section, const char *key)
 {
     if (G_L == NULL || section == NULL || key == NULL)
     {
@@ -143,13 +190,13 @@ const char* lua_config_get_string(const char* section, const char* key)
         return get_string_default(section, key);
     }
 
-    const char* value = lua_tostring(G_L, -1);
+    const char *value = lua_tostring(G_L, -1);
     lua_settop(G_L, 0);
 
     return value ? value : get_string_default(section, key);
 }
 
-int lua_config_get_int(const char* section, const char* key, int default_value)
+int lua_config_get_int(const char *section, const char *key, int default_value)
 {
     if (G_L == NULL || section == NULL || key == NULL)
     {

src/main.c

@@ -84,6 +84,8 @@ int main(int argc, char **argv)
     // 检查管理员权限
     if (!check_admin())
     {
+        IupMessage("警告", lua_config_get_string("status", "admin_warning"));
+
         Ihandle *lbl_status = IupGetDialogChild(dlg, "LBL_STATUS");
         if (lbl_status)
             IupSetAttribute(lbl_status, "TITLE", lua_config_get_string("status", "readonly"));
@@ -113,6 +115,13 @@ int main(int argc, char **argv)
             IupSetAttribute(btn_clean, "ACTIVE", "NO");
         if (btn_ok)
             IupSetAttribute(btn_ok, "ACTIVE", "NO");
+
+        Ihandle *btn_import = IupGetDialogChild(dlg, "BTN_IMPORT");
+        Ihandle *btn_export = IupGetDialogChild(dlg, "BTN_EXPORT");
+        if (btn_import)
+            IupSetAttribute(btn_import, "ACTIVE", "NO");
+        if (btn_export)
+            IupSetAttribute(btn_export, "ACTIVE", "NO");
     }
 
     IupShowXY(dlg, IUP_CENTER, IUP_CENTER);

src/ui/main_window.c

@@ -61,6 +61,11 @@ Ihandle *create_main_window(void)
     Ihandle *btn_clean = IupButton(lua_config_get_string("button", "clean"), NULL);
     IupSetAttribute(btn_clean, "NAME", "BTN_CLEAN");
 
+    Ihandle *btn_import = IupButton(lua_config_get_string("button", "import"), NULL);
+    IupSetAttribute(btn_import, "NAME", "BTN_IMPORT");
+    Ihandle *btn_export = IupButton(lua_config_get_string("button", "export"), NULL);
+    IupSetAttribute(btn_export, "NAME", "BTN_EXPORT");
+
     // 设置按钮回调
     IupSetCallback(btn_new, "ACTION", (Icallback)btn_new_cb);
     IupSetCallback(btn_edit, "ACTION", (Icallback)btn_edit_cb);
@@ -69,6 +74,8 @@ Ihandle *create_main_window(void)
     IupSetCallback(btn_up, "ACTION", (Icallback)btn_up_cb);
     IupSetCallback(btn_down, "ACTION", (Icallback)btn_down_cb);
     IupSetCallback(btn_clean, "ACTION", (Icallback)btn_clean_cb);
+    IupSetCallback(btn_import, "ACTION", (Icallback)btn_import_cb);
+    IupSetCallback(btn_export, "ACTION", (Icallback)btn_export_cb);
 
     // 设置按钮大小
     const char *btn_size = lua_config_get_string("button", "rastersize");
@@ -79,6 +86,8 @@ Ihandle *create_main_window(void)
     IupSetAttribute(btn_up, "RASTERSIZE", btn_size);
     IupSetAttribute(btn_down, "RASTERSIZE", btn_size);
     IupSetAttribute(btn_clean, "RASTERSIZE", btn_size);
+    IupSetAttribute(btn_import, "RASTERSIZE", btn_size);
+    IupSetAttribute(btn_export, "RASTERSIZE", btn_size);
 
     // 创建操作按钮垂直布局
     Ihandle *vbox_btns = IupVbox(
@@ -86,6 +95,7 @@ Ihandle *create_main_window(void)
         IupFill(),
         btn_clean,
         IupFill(),
+        btn_import, btn_export,
         btn_up, btn_down,
         NULL);
     IupSetAttribute(vbox_btns, "GAP", lua_config_get_string("layout", "vbox_gap"));