diff --git a/web/index.html b/web/index.html
index 345f95e..2c5a219 100644
--- a/web/index.html
+++ b/web/index.html
@@ -310,8 +310,14 @@
   </el-dialog>
 </div>
 <script src="./config.js"></script>
-<script src="./vendor/vue.global.prod.js" defer></script>
-<script src="./vendor/element-plus.full.min.js" defer></script>
-<script src="./main.js" defer></script>
+<script src="./vendor/vue.global.prod.js"></script>
+<script src="./vendor/element-plus.full.min.js"></script>
+<!-- 模块化架构 -->
+<script src="./modules/config.js"></script>
+<script src="./modules/utils.js"></script>
+<script src="./modules/api.js"></script>
+<script src="./modules/fields.js"></script>
+<script src="./modules/state.js"></script>
+<script src="./main.refactored.js" defer></script>
 </body>
 </html>
diff --git a/web/main.refactored.js b/web/main.refactored.js
new file mode 100644
index 0000000..7e31495
--- /dev/null
+++ b/web/main.refactored.js
@@ -0,0 +1,909 @@
+/**
+ * 营销系统数据导出工具 - 主入口
+ * @description 使用模块化架构重构，提升可读性和扩展性
+ */
+
+const { createApp, reactive } = Vue;
+
+// ==================== 模块引用 ====================
+const { CONSTANTS, getDatasourceOptions, getDatasourceLabel, getMainTable, getOrderTypeOptions, getDefaultOrderType, getSceneOptions, getSceneLabel, getOrderTypeLabel, VISIBILITY_OPTIONS, FORMAT_OPTIONS, getDefaultFields } = window.AppConfig;
+const { showMessage, formatDateTime, getMonthRange, clampDialogWidth, parseWidth, calculateJobProgress } = window.AppUtils;
+const { fieldsManager, TreeUtils } = window.FieldsModule;
+const { createAppState, ValidationRules } = window.StateModule;
+const Api = window.ApiService;
+
+// ==================== Vue 应用 ====================
+const app = createApp({
+  setup() {
+    // ==================== 状态初始化 ====================
+    const state = reactive(createAppState());
+
+    // ==================== 计算属性 ====================
+    const hasUserId = Vue.computed(() => !!Api.getUserId());
+    const currentUserId = Vue.computed(() => {
+      const userId = Api.getUserId();
+      return userId ? Number(userId) : null;
+    });
+
+    // ==================== 字段元数据管理 ====================
+    const metaTableLabels = Vue.ref({});
+    const recommendedMeta = Vue.ref([]);
+
+    /**
+     * 加载字段元数据
+     * @param {string} datasource - 数据源
+     * @param {number} orderType - 订单类型
+     * @returns {Promise<string[]>} 推荐字段列表
+     */
+    const loadFieldsMetadata = async (datasource, orderType) => {
+      try {
+        const { tables, recommended } = await Api.fetchFieldsMetadata(datasource, orderType);
+        fieldsManager.updateMetadata(tables, recommended);
+        metaTableLabels.value = fieldsManager.tableLabels;
+        recommendedMeta.value = recommended;
+        return recommended;
+      } catch (error) {
+        console.error('加载字段元数据失败:', error);
+        fieldsManager.updateMetadata([], []);
+        metaTableLabels.value = {};
+        recommendedMeta.value = [];
+        return [];
+      }
+    };
+
+    // ==================== 树形选择器数据 ====================
+    const fieldTreeData = Vue.computed(() => {
+      return fieldsManager.buildFieldTree(
+        state.form.datasource,
+        state.form.orderType
+      );
+    });
+
+    const editFieldTreeData = Vue.computed(() => {
+      return fieldsManager.buildFieldTree(
+        state.edit.datasource,
+        state.edit.orderType,
+        state.edit.main_table
+      );
+    });
+
+    // ==================== 选项配置 ====================
+    const datasourceOptions = getDatasourceOptions();
+    const visibilityOptions = VISIBILITY_OPTIONS;
+    const formatOptions = FORMAT_OPTIONS;
+
+    const sceneOptions = Vue.computed(() => getSceneOptions(state.form.datasource));
+    const editSceneOptions = Vue.computed(() => getSceneOptions(state.edit.datasource));
+
+    /**
+     * 获取订单类型选项
+     * @param {string} datasource - 数据源
+     * @returns {Array} 订单类型选项
+     */
+    const orderTypeOptionsFor = (datasource) => getOrderTypeOptions(datasource);
+
+    /**
+     * 获取数据源标签
+     * @param {string} value - 数据源值
+     * @returns {string} 数据源标签
+     */
+    const dsLabel = (value) => getDatasourceLabel(value);
+
+    // ==================== 树形选择器引用 ====================
+    const createFieldsTree = Vue.ref(null);
+    const editFieldsTree = Vue.ref(null);
+
+    /**
+     * 树形选择器复选框变化处理
+     * @param {string} kind - 操作类型: 'create' | 'edit'
+     */
+    const onTreeCheck = (kind) => {
+      if (kind !== 'create' && kind !== 'edit') {
+        console.warn('onTreeCheck: 无效的 kind 参数', kind);
+        return;
+      }
+
+      const tree = kind === 'create' ? createFieldsTree.value : editFieldsTree.value;
+      if (!tree) return;
+
+      const checkedKeys = tree.getCheckedKeys();
+      const treeData = kind === 'create' ? fieldTreeData.value : editFieldTreeData.value;
+      const paths = TreeUtils.checkedKeysToLeafPaths(checkedKeys, treeData);
+
+      if (kind === 'create') {
+        state.form.fieldsSel = paths;
+      } else {
+        state.edit.fieldsSel = paths;
+      }
+    };
+
+    /**
+     * 设置树形选择器选中状态
+     * @param {string} kind - 操作类型
+     * @param {Array} values - 选中值
+     */
+    const setTreeChecked = (kind, values) => {
+      const tree = kind === 'create' ? createFieldsTree.value : editFieldsTree.value;
+      if (!tree || !values || !Array.isArray(values)) return;
+
+      const treeData = kind === 'create' ? fieldTreeData.value : editFieldTreeData.value;
+      const keys = TreeUtils.pathsToNodeKeys(values, treeData);
+
+      Vue.nextTick(() => {
+        setTimeout(() => {
+          try {
+            if (keys.length > 0 && tree) {
+              tree.setCheckedKeys(keys);
+            }
+          } catch (error) {
+            console.warn('设置树形选择器选中状态失败:', error);
+          }
+        }, CONSTANTS.TREE_RENDER_DELAY);
+      });
+    };
+
+    // 监听字段选择变化
+    Vue.watch(() => state.form.fieldsSel, (newVal) => {
+      if (newVal?.length > 0) {
+        Vue.nextTick(() => setTreeChecked('create', newVal));
+      }
+    });
+
+    Vue.watch(() => state.edit.fieldsSel, (newVal) => {
+      if (newVal?.length > 0) {
+        Vue.nextTick(() => setTreeChecked('edit', newVal));
+      }
+    });
+
+    // ==================== 表单验证规则 ====================
+    const createRules = ValidationRules.createTemplateRules();
+    const editRules = ValidationRules.createEditRules();
+    const exportRules = ValidationRules.createExportRules();
+
+    // ==================== 表单引用 ====================
+    const createFormRef = Vue.ref(null);
+    const editFormRef = Vue.ref(null);
+    const exportFormRef = Vue.ref(null);
+
+    // ==================== 选项数据 ====================
+    const creatorOptions = Vue.ref([]);
+    const ymtCreatorOptions = Vue.ref([]);
+    const resellerOptions = Vue.ref([]);
+    const planOptions = Vue.ref([]);
+    const ymtMerchantOptions = Vue.ref([]);
+    const ymtActivityOptions = Vue.ref([]);
+
+    /**
+     * 加载创建者列表
+     */
+    const loadCreators = async () => {
+      try {
+        creatorOptions.value = await Api.fetchCreators();
+      } catch (error) {
+        console.error('加载创建者列表失败:', error);
+        creatorOptions.value = [];
+      }
+    };
+
+    /**
+     * 加载易码通用户列表
+     */
+    const loadYmtCreators = async () => {
+      try {
+        const userId = Api.getUserId();
+        ymtCreatorOptions.value = await Api.fetchYmtUsers(userId || undefined);
+      } catch (error) {
+        console.error('加载易码通用户列表失败:', error);
+        ymtCreatorOptions.value = [];
+      }
+    };
+
+    /**
+     * 加载分销商列表
+     */
+    const loadResellers = async () => {
+      const ids = state.exportForm.creatorIds;
+      if (!ids?.length) {
+        resellerOptions.value = [];
+        return;
+      }
+      try {
+        resellerOptions.value = await Api.fetchResellers(ids);
+      } catch (error) {
+        console.error('加载分销商列表失败:', error);
+        resellerOptions.value = [];
+      }
+    };
+
+    /**
+     * 加载易码通客户列表
+     */
+    const loadYmtMerchants = async () => {
+      const userId = state.exportForm.ymtCreatorId;
+      if (!userId) {
+        ymtMerchantOptions.value = [];
+        return;
+      }
+      try {
+        ymtMerchantOptions.value = await Api.fetchYmtMerchants(userId);
+      } catch (error) {
+        console.error('加载客户列表失败:', error);
+        ymtMerchantOptions.value = [];
+      }
+    };
+
+    /**
+     * 加载易码通活动列表
+     */
+    const loadYmtActivities = async () => {
+      const merchantId = state.exportForm.ymtMerchantId;
+      if (!merchantId) {
+        ymtActivityOptions.value = [];
+        return;
+      }
+      try {
+        ymtActivityOptions.value = await Api.fetchYmtActivities(merchantId);
+      } catch (error) {
+        console.error('加载活动列表失败:', error);
+        ymtActivityOptions.value = [];
+      }
+    };
+
+    /**
+     * 加载计划列表
+     */
+    const loadPlans = async () => {
+      const resellerId = state.exportForm.resellerId;
+      if (!resellerId) {
+        planOptions.value = [];
+        return;
+      }
+      try {
+        planOptions.value = await Api.fetchPlans(resellerId);
+      } catch (error) {
+        console.error('加载计划列表失败:', error);
+        planOptions.value = [];
+      }
+    };
+
+    // ==================== 导出相关计算属性 ====================
+    const hasCreators = Vue.computed(() => state.exportForm.creatorIds?.length > 0);
+    const hasReseller = Vue.computed(() => !!state.exportForm.resellerId);
+    const hasPlan = Vue.computed(() => !!state.exportForm.planId);
+    const hasKeyBatch = Vue.computed(() => !!state.exportForm.keyBatchId);
+    const hasCodeBatch = Vue.computed(() => !!state.exportForm.codeBatchId);
+
+    const exportType = Vue.computed(() => {
+      const filters = state.exportTpl?.filters;
+      if (!filters) return null;
+      if (filters.type_eq != null) return Number(filters.type_eq);
+      if (Array.isArray(filters.type_in) && filters.type_in.length === 1) {
+        return Number(filters.type_in[0]);
+      }
+      return null;
+    });
+
+    const exportTypeList = Vue.computed(() => {
+      const filters = state.exportTpl?.filters;
+      if (!filters) return [];
+      if (Array.isArray(filters.type_in) && filters.type_in.length) {
+        return filters.type_in.map(Number);
+      }
+      if (filters.type_eq != null) return [Number(filters.type_eq)];
+      return [];
+    });
+
+    const isOrder = Vue.computed(() => {
+      const mainTable = state.exportTpl?.main_table;
+      return mainTable === 'order' || mainTable === 'order_info';
+    });
+
+    const exportTitle = Vue.computed(() => {
+      let title = '执行导出';
+      const mainTable = state.exportTpl?.main_table;
+      if (mainTable) {
+        title += ' - ' + getSceneLabel(mainTable);
+        if (mainTable === 'order' || mainTable === 'order_info') {
+          const datasource = state.exportTpl?.datasource;
+          const labels = exportTypeList.value
+            .map(type => getOrderTypeLabel(datasource, type))
+            .filter(Boolean);
+          if (labels.length) {
+            title += ' - 订单类型：' + labels.join('、');
+          }
+        }
+      }
+      return title;
+    });
+
+    // ==================== 模板管理 ====================
+    /**
+     * 加载模板列表
+     */
+    const loadTemplates = async () => {
+      try {
+        state.templates = await Api.fetchTemplates();
+      } catch (error) {
+        showMessage('加载模板失败', 'error');
+        state.templates = [];
+      }
+    };
+
+    /**
+     * 创建模板
+     */
+    const createTemplate = async () => {
+      const formRef = createFormRef.value;
+      const valid = formRef ? await formRef.validate().catch(() => false) : true;
+      if (!valid) {
+        showMessage('请完善必填项', 'error');
+        return;
+      }
+
+      let fields = [];
+      const { datasource, main_table, fieldsSel, fieldsRaw, orderType, name, file_format, visibility } = state.form;
+
+      if (fieldsSel?.length) {
+        fields = fieldsManager.convertPathsToFields(fieldsSel, datasource, main_table);
+      } else {
+        const recommended = recommendedMeta.value;
+        if (recommended?.length) {
+          fields = recommended;
+        } else {
+          fields = getDefaultFields(datasource);
+        }
+      }
+
+      const payload = {
+        name,
+        datasource,
+        main_table: getMainTable(datasource),
+        fields,
+        filters: { type_eq: Number(orderType) },
+        file_format,
+        visibility,
+        owner_id: Api.getUserId() ? Number(Api.getUserId()) : 0
+      };
+
+      try {
+        await Api.createTemplate(payload);
+        showMessage('创建成功');
+        state.createVisible = false;
+        loadTemplates();
+      } catch (error) {
+        showMessage(error.message || '创建失败', 'error');
+      }
+    };
+
+    /**
+     * 打开编辑对话框
+     * @param {Object} row - 模板行数据
+     */
+    const openEdit = async (row) => {
+      state.edit.id = row.id;
+      try {
+        const template = await Api.fetchTemplateDetail(row.id);
+
+        state.edit.name = template.name || row.name || '';
+        state.edit.datasource = template.datasource || row.datasource || 'marketing';
+        state.edit.main_table = template.main_table || row.main_table || 'order';
+        state.edit.file_format = template.file_format || row.file_format || 'xlsx';
+        state.edit.visibility = template.visibility || row.visibility || 'private';
+
+        const filters = template.filters || {};
+        if (filters.type_eq != null) {
+          state.edit.orderType = Number(filters.type_eq);
+        } else if (Array.isArray(filters.type_in) && filters.type_in.length === 1) {
+          state.edit.orderType = Number(filters.type_in[0]);
+        } else {
+          state.edit.orderType = getDefaultOrderType(state.edit.datasource);
+        }
+
+        const fields = Array.isArray(template.fields) ? template.fields : [];
+        state.editVisible = true;
+
+        await Vue.nextTick();
+        await loadFieldsMetadata(state.edit.datasource, state.edit.orderType);
+        await Vue.nextTick();
+
+        const mainTable = state.edit.main_table || 'order';
+        const paths = fieldsManager.deduplicatePaths(
+          fieldsManager.convertFieldsToPaths(fields, state.edit.datasource, mainTable)
+        );
+        state.edit.fieldsSel = paths;
+
+        await Vue.nextTick();
+        setTimeout(() => setTreeChecked('edit', paths), CONSTANTS.TREE_EDIT_RENDER_DELAY);
+      } catch (error) {
+        console.error('加载模板详情失败:', error);
+        state.edit.name = row.name;
+        state.edit.datasource = row.datasource || 'marketing';
+        state.edit.main_table = row.main_table || 'order';
+        state.edit.file_format = row.file_format || 'xlsx';
+        state.edit.visibility = row.visibility || 'private';
+        state.edit.orderType = getDefaultOrderType(state.edit.datasource);
+        state.edit.fieldsSel = [];
+        state.editVisible = true;
+      }
+    };
+
+    /**
+     * 保存编辑
+     */
+    const saveEdit = async () => {
+      const formRef = editFormRef.value;
+      const valid = formRef ? await formRef.validate().catch(() => false) : true;
+      if (!valid) {
+        showMessage('请完善必填项', 'error');
+        return;
+      }
+
+      const { id, name, datasource, main_table, fieldsSel, visibility, file_format, orderType } = state.edit;
+
+      let fields = [];
+      if (fieldsSel?.length) {
+        fields = fieldsManager.convertPathsToFields(fieldsSel, datasource, main_table || 'order');
+      } else {
+        fields = getDefaultFields(datasource);
+      }
+
+      if (!fields.length) {
+        showMessage('请至少选择一个字段', 'error');
+        return;
+      }
+
+      const payload = {
+        name,
+        visibility,
+        file_format,
+        fields,
+        filters: { type_eq: Number(orderType || 1) },
+        main_table: 'order'
+      };
+
+      try {
+        await Api.updateTemplate(id, payload);
+        showMessage('保存成功');
+        state.editVisible = false;
+        loadTemplates();
+      } catch (error) {
+        showMessage(error.message || '保存失败', 'error');
+      }
+    };
+
+    /**
+     * 删除模板
+     * @param {number} id - 模板 ID
+     */
+    const removeTemplate = async (id) => {
+      try {
+        await Api.deleteTemplate(id);
+        showMessage('删除成功');
+        loadTemplates();
+      } catch (error) {
+        showMessage(error.message || '删除失败', 'error');
+      }
+    };
+
+    // ==================== 导出任务 ====================
+    /**
+     * 打开导出对话框
+     * @param {Object} row - 模板行数据
+     */
+    const openExport = async (row) => {
+      state.exportForm.tplId = row.id;
+      
+      try {
+        const template = await Api.fetchTemplateDetail(row.id);
+        state.exportTpl = template;
+      } catch (error) {
+        console.error('加载模板详情失败:', error);
+        state.exportTpl = { id: null, filters: {}, main_table: '', fields: [], datasource: '', file_format: '' };
+      }
+
+      state.exportForm.datasource = state.exportTpl.datasource || row.datasource || 'marketing';
+      state.exportForm.file_format = state.exportTpl.file_format || row.file_format || 'xlsx';
+
+      if (state.exportForm.datasource === 'marketing') {
+        loadCreators();
+        const userId = Api.getUserId();
+        if (userId) {
+          const parts = String(userId).split(',').map(s => s.trim()).filter(Boolean);
+          state.exportForm.creatorIds = parts.length > 1 
+            ? parts.map(Number) 
+            : [Number(userId)];
+        }
+      }
+
+      if (state.exportForm.datasource === 'ymt') {
+        await loadYmtCreators();
+        await loadYmtMerchants();
+        await loadYmtActivities();
+        const userId = Api.getUserId();
+        if (userId) {
+          const first = String(userId).split(',').map(s => s.trim()).filter(Boolean)[0];
+          if (first) {
+            state.exportForm.ymtCreatorId = Number(first);
+          }
+        }
+      }
+
+      if (!state.exportForm.dateRange?.length) {
+        state.exportForm.dateRange = getMonthRange(-1);
+      }
+
+      state.exportVisible = true;
+    };
+
+    /**
+     * 提交导出任务
+     */
+    const submitExport = async () => {
+      const formRef = exportFormRef.value;
+      const valid = formRef ? await formRef.validate().catch(() => false) : true;
+      if (!valid) {
+        showMessage('请完善必填项', 'error');
+        return;
+      }
+
+      state.exportSubmitting = true;
+      showMessage('估算中', 'info');
+
+      try {
+        const { tplId, dateRange, datasource, file_format, planId, resellerId, voucherChannelActivityId, creatorIds, creatorIdsRaw, ymtCreatorId, ymtMerchantId, ymtActivityId } = state.exportForm;
+
+        const filters = {};
+        const typeValue = exportType.value;
+        if (typeValue != null) {
+          filters.type_eq = Number(typeValue);
+        }
+
+        if (dateRange?.length === 2) {
+          filters.create_time_between = [dateRange[0], dateRange[1]];
+        }
+
+        if (planId) filters.plan_id_eq = Number(planId);
+        if (resellerId) filters.reseller_id_eq = Number(resellerId);
+
+        if (voucherChannelActivityId) {
+          const type = exportType.value;
+          if ((datasource === 'marketing' && type === 2) || (datasource === 'ymt' && type === 3)) {
+            filters.order_voucher_channel_activity_id_eq = voucherChannelActivityId;
+          }
+        }
+
+        if (creatorIds?.length) {
+          filters.creator_in = creatorIds.map(Number);
+        } else if (creatorIdsRaw) {
+          const arr = String(creatorIdsRaw).split(',').map(s => s.trim()).filter(Boolean);
+          if (arr.length) filters.creator_in = arr;
+        }
+
+        if (datasource === 'ymt') {
+          if (String(ymtCreatorId).trim()) {
+            filters.creator_in = [Number(ymtCreatorId)];
+          }
+          if (String(ymtMerchantId).trim()) {
+            filters.reseller_id_eq = Number(ymtMerchantId);
+          }
+          if (String(ymtActivityId).trim()) {
+            filters.plan_id_eq = Number(ymtActivityId);
+          }
+        }
+
+        const payload = {
+          template_id: Number(tplId),
+          requested_by: 1,
+          permission: {},
+          options: {},
+          filters,
+          file_format,
+          datasource
+        };
+
+        const result = await Api.createExportJob(payload);
+        const jobId = result?.data?.id ?? result?.id;
+
+        state.exportVisible = false;
+
+        if (jobId) {
+          state.jobsTplId = Number(tplId);
+          state.jobsVisible = true;
+          loadJobs(1);
+          startJobsPolling();
+        } else {
+          showMessage('任务创建返回异常', 'error');
+        }
+      } catch (error) {
+        showMessage(error.message || '导出失败', 'error');
+      } finally {
+        state.exportSubmitting = false;
+      }
+    };
+
+    // ==================== 任务管理 ====================
+    let jobsPollTimer = null;
+
+    /**
+     * 加载任务列表
+     * @param {number} [page] - 页码
+     */
+    const loadJobs = async (page) => {
+      page = page || state.jobsPage;
+      try {
+        const { items, total, page: currentPage } = await Api.fetchJobs({
+          page,
+          pageSize: state.jobsPageSize,
+          templateId: state.jobsTplId
+        });
+        state.jobs = items;
+        state.jobsTotal = total;
+        state.jobsPage = currentPage;
+      } catch (error) {
+        console.error('加载任务列表失败:', error);
+        state.jobs = [];
+      }
+    };
+
+    /**
+     * 检查是否所有任务都已完成
+     */
+    const checkAndStopPollingIfComplete = () => {
+      const hasRunningJob = state.jobs.some(
+        job => job.status === 'queued' || job.status === 'running'
+      );
+      if (!hasRunningJob && state.jobs.length > 0) {
+        stopJobsPolling();
+      }
+    };
+
+    /**
+     * 启动任务轮询
+     */
+    const startJobsPolling = () => {
+      if (jobsPollTimer) return;
+      jobsPollTimer = setInterval(async () => {
+        if (state.jobsVisible) {
+          await loadJobs(state.jobsPage);
+          checkAndStopPollingIfComplete();
+        }
+      }, CONSTANTS.JOBS_POLL_INTERVAL);
+    };
+
+    /**
+     * 停止任务轮询
+     */
+    const stopJobsPolling = () => {
+      if (jobsPollTimer) {
+        clearInterval(jobsPollTimer);
+        jobsPollTimer = null;
+      }
+    };
+
+    /**
+     * 打开任务列表
+     * @param {Object} row - 模板行数据
+     */
+    const openJobs = (row) => {
+      state.jobsTplId = row.id;
+      state.jobsVisible = true;
+      loadJobs(1);
+      startJobsPolling();
+    };
+
+    /**
+     * 关闭任务列表
+     */
+    const closeJobs = () => {
+      state.jobsVisible = false;
+      stopJobsPolling();
+    };
+
+    /**
+     * 计算任务进度
+     * @param {Object} row - 任务行数据
+     * @returns {string} 进度描述
+     */
+    const jobPercent = (row) => calculateJobProgress(row);
+
+    /**
+     * 下载文件
+     * @param {number} id - 任务 ID
+     */
+    const download = (id) => {
+      window.open(Api.getDownloadUrl(id), '_blank');
+    };
+
+    /**
+     * 打开 SQL 预览
+     * @param {number} id - 任务 ID
+     */
+    const openSQL = async (id) => {
+      try {
+        state.sqlExplainDesc = '';
+        state.sqlText = await Api.fetchJobSql(id);
+
+        try {
+          const job = await Api.fetchJobDetail(id);
+          state.sqlExplainDesc = job?.eval_desc || job?.eval_status || '';
+        } catch {
+          const row = state.jobs.find(r => Number(r.id) === Number(id));
+          state.sqlExplainDesc = row?.eval_desc || row?.eval_status || '';
+        }
+
+        state.sqlVisible = true;
+      } catch (error) {
+        console.error('加载SQL失败:', error);
+        state.sqlText = '';
+        state.sqlExplainDesc = '';
+        state.sqlVisible = false;
+        showMessage('加载SQL失败', 'error');
+      }
+    };
+
+    // ==================== 对话框尺寸管理 ====================
+    /**
+     * 调整对话框尺寸
+     * @param {string} kind - 对话框类型
+     * @param {number} delta - 变化量
+     */
+    const resizeDialog = (kind, delta) => {
+      if (kind === 'create') {
+        const current = parseWidth(state.createWidth, CONSTANTS.DIALOG_DEFAULT_WIDTH);
+        const next = clampDialogWidth(current + delta);
+        state.createWidth = next;
+        localStorage.setItem('tplDialogWidth', next);
+      } else if (kind === 'edit') {
+        const current = parseWidth(state.editWidth, CONSTANTS.DIALOG_EDIT_DEFAULT_WIDTH);
+        const next = clampDialogWidth(current + delta);
+        state.editWidth = next;
+        localStorage.setItem('tplEditDialogWidth', next);
+      }
+    };
+
+    // ==================== 监听器 ====================
+    // 数据源变化
+    Vue.watch(() => state.form.datasource, async (datasource) => {
+      state.form.fieldsSel = [];
+      state.form.main_table = getMainTable(datasource);
+      state.form.orderType = getDefaultOrderType(datasource);
+      await loadFieldsMetadata(datasource, state.form.orderType);
+    });
+
+    // 订单类型变化
+    Vue.watch(() => state.form.orderType, async () => {
+      state.form.fieldsSel = [];
+      await loadFieldsMetadata(state.form.datasource, state.form.orderType);
+    });
+
+    // 编辑数据源变化
+    Vue.watch(() => state.edit.datasource, async (datasource) => {
+      state.edit.fieldsSel = [];
+      state.edit.main_table = getMainTable(datasource);
+      if (!state.edit.orderType) {
+        state.edit.orderType = getDefaultOrderType(datasource);
+      }
+      await loadFieldsMetadata(datasource, state.edit.orderType);
+    });
+
+    // 编辑订单类型变化
+    Vue.watch(() => state.edit.orderType, async () => {
+      state.edit.fieldsSel = [];
+      await loadFieldsMetadata(state.edit.datasource, state.edit.orderType);
+    });
+
+    // 导出筛选条件变化
+    Vue.watch(() => state.exportForm.creatorIds, () => {
+      state.exportForm.resellerId = null;
+      state.exportForm.planId = null;
+      state.exportForm.keyBatchId = null;
+      state.exportForm.codeBatchId = null;
+      loadResellers();
+    });
+
+    Vue.watch(() => state.exportForm.ymtCreatorId, () => {
+      state.exportForm.ymtMerchantId = null;
+      state.exportForm.ymtActivityId = null;
+      loadYmtMerchants();
+    });
+
+    Vue.watch(() => state.exportForm.ymtMerchantId, () => {
+      state.exportForm.ymtActivityId = null;
+      loadYmtActivities();
+    });
+
+    Vue.watch(() => state.exportForm.resellerId, () => {
+      state.exportForm.planId = null;
+      state.exportForm.keyBatchId = null;
+      state.exportForm.codeBatchId = null;
+      loadPlans();
+    });
+
+    Vue.watch(() => state.exportForm.planId, () => {
+      state.exportForm.keyBatchId = null;
+      state.exportForm.codeBatchId = null;
+    });
+
+    Vue.watch(() => state.exportForm.keyBatchId, () => {
+      state.exportForm.codeBatchId = null;
+    });
+
+    // ==================== 初始化 ====================
+    loadTemplates();
+    loadFieldsMetadata(state.form.datasource, state.form.orderType);
+
+    // 组件销毁时清理
+    Vue.onUnmounted(() => {
+      stopJobsPolling();
+    });
+
+    // ==================== 返回 ====================
+    return {
+      ...Vue.toRefs(state),
+      // 选项配置
+      visibilityOptions,
+      formatOptions,
+      datasourceOptions,
+      sceneOptions,
+      editSceneOptions,
+      // 模板管理
+      loadTemplates,
+      createTemplate,
+      openEdit,
+      saveEdit,
+      removeTemplate,
+      // 导出管理
+      openExport,
+      submitExport,
+      // 任务管理
+      loadJobs,
+      openJobs,
+      closeJobs,
+      download,
+      openSQL,
+      jobPercent,
+      // 对话框
+      resizeDialog,
+      // 验证规则
+      createRules,
+      editRules,
+      exportRules,
+      // 表单引用
+      createFormRef,
+      editFormRef,
+      exportFormRef,
+      // 树形选择器
+      createFieldsTree,
+      editFieldsTree,
+      fieldTreeData,
+      editFieldTreeData,
+      onTreeCheck,
+      setTreeChecked,
+      // 工具函数
+      dsLabel,
+      orderTypeOptionsFor,
+      fmtDT: formatDateTime,
+      // 计算属性
+      exportType,
+      isOrder,
+      exportTitle,
+      hasUserId,
+      currentUserId,
+      hasCreators,
+      hasReseller,
+      hasPlan,
+      hasKeyBatch,
+      hasCodeBatch,
+      // 选项数据
+      creatorOptions,
+      ymtCreatorOptions,
+      ymtMerchantOptions,
+      ymtActivityOptions,
+      resellerOptions,
+      planOptions
+    };
+  }
+});
+
+app.use(ElementPlus);
+app.mount('#app');
diff --git a/web/modules/api.js b/web/modules/api.js
new file mode 100644
index 0000000..633020f
--- /dev/null
+++ b/web/modules/api.js
@@ -0,0 +1,429 @@
+/**
+ * API 服务层 - 统一处理 HTTP 请求
+ * @module api
+ */
+
+/**
+ * 获取 API 基础地址
+ * @returns {string} API 基础 URL
+ */
+const getApiBase = () => {
+  if (window.__API_BASE__ && String(window.__API_BASE__).trim()) {
+    return String(window.__API_BASE__).trim();
+  }
+  return typeof location !== 'undefined' ? location.origin : 'http://localhost:8077';
+};
+
+const API_BASE = getApiBase();
+
+/**
+ * 从 URL 参数中获取用户 ID
+ * @returns {string} 用户 ID，不存在返回空字符串
+ */
+const getUserId = () => {
+  const params = new URLSearchParams(window.location.search || '');
+  const value = params.get('userId') || params.get('userid') || params.get('user_id');
+  return value && String(value).trim() ? String(value).trim() : '';
+};
+
+/**
+ * 从 URL 参数中获取商户 ID
+ * @returns {string} 商户 ID，不存在返回空字符串
+ */
+const getMerchantId = () => {
+  const params = new URLSearchParams(window.location.search || '');
+  const value = params.get('merchantId') || params.get('merchantid') || params.get('merchant_id');
+  return value && String(value).trim() ? String(value).trim() : '';
+};
+
+/**
+ * 构建用户相关的查询字符串
+ * @returns {string} 查询字符串，如 '?userId=1&merchantId=2'
+ */
+const buildUserQueryString = () => {
+  const userId = getUserId();
+  const merchantId = getMerchantId();
+  const parts = [];
+  if (userId) parts.push('userId=' + encodeURIComponent(userId));
+  if (merchantId) parts.push('merchantId=' + encodeURIComponent(merchantId));
+  return parts.length ? ('?' + parts.join('&')) : '';
+};
+
+/**
+ * 解析 API 响应数据
+ * @param {Object} data - 响应数据对象
+ * @returns {Array} 解析后的数组数据
+ */
+const parseArrayResponse = (data) => {
+  if (Array.isArray(data?.data)) return data.data;
+  if (Array.isArray(data)) return data;
+  return [];
+};
+
+/**
+ * 解析分页响应数据
+ * @param {Object} data - 响应数据对象
+ * @returns {{items: Array, total: number, page: number}} 分页数据
+ */
+const parsePaginatedResponse = (data) => {
+  const payload = data?.data || data || {};
+  return {
+    items: Array.isArray(payload.items) ? payload.items : (Array.isArray(payload) ? payload : []),
+    total: Number(payload.total || 0),
+    page: Number(payload.page || 1)
+  };
+};
+
+/**
+ * 通用 GET 请求
+ * @param {string} endpoint - API 端点
+ * @param {Object} [options] - 请求选项
+ * @param {boolean} [options.withUserQuery=false] - 是否附加用户查询参数
+ * @param {Object} [options.params] - URL 查询参数
+ * @returns {Promise<Object>} 响应数据
+ */
+const get = async (endpoint, options = {}) => {
+  const { withUserQuery = false, params = {} } = options;
+  
+  let url = API_BASE + endpoint;
+  const queryParams = new URLSearchParams(params);
+  
+  if (withUserQuery) {
+    const userId = getUserId();
+    const merchantId = getMerchantId();
+    if (userId) queryParams.set('userId', userId);
+    if (merchantId) queryParams.set('merchantId', merchantId);
+  }
+  
+  const queryString = queryParams.toString();
+  if (queryString) {
+    url += (endpoint.includes('?') ? '&' : '?') + queryString;
+  }
+  
+  const response = await fetch(url);
+  if (!response.ok) {
+    throw new Error(`请求失败: ${response.status} ${response.statusText}`);
+  }
+  return response.json();
+};
+
+/**
+ * 通用 POST 请求
+ * @param {string} endpoint - API 端点
+ * @param {Object} body - 请求体
+ * @param {Object} [options] - 请求选项
+ * @param {boolean} [options.withUserQuery=false] - 是否附加用户查询参数
+ * @returns {Promise<Object>} 响应数据
+ */
+const post = async (endpoint, body, options = {}) => {
+  const { withUserQuery = false } = options;
+  
+  let url = API_BASE + endpoint;
+  if (withUserQuery) {
+    url += buildUserQueryString();
+  }
+  
+  const response = await fetch(url, {
+    method: 'POST',
+    headers: { 'Content-Type': 'application/json' },
+    body: JSON.stringify(body)
+  });
+  
+  if (!response.ok) {
+    const errorText = await response.text();
+    throw new Error(errorText || `请求失败: ${response.status}`);
+  }
+  return response.json();
+};
+
+/**
+ * 通用 PATCH 请求
+ * @param {string} endpoint - API 端点
+ * @param {Object} body - 请求体
+ * @returns {Promise<Object>} 响应数据
+ */
+const patch = async (endpoint, body) => {
+  const url = API_BASE + endpoint;
+  const response = await fetch(url, {
+    method: 'PATCH',
+    headers: { 
+      'Content-Type': 'application/json',
+      'Accept': 'application/json'
+    },
+    body: JSON.stringify(body)
+  });
+  
+  if (!response.ok) {
+    const errorText = await response.text();
+    throw new Error(errorText || `请求失败: ${response.status}`);
+  }
+  return response.json();
+};
+
+/**
+ * 通用 DELETE 请求
+ * @param {string} endpoint - API 端点
+ * @param {Object} [options] - 请求选项
+ * @param {boolean} [options.soft=false] - 是否软删除
+ * @returns {Promise<Object>} 响应数据
+ */
+const del = async (endpoint, options = {}) => {
+  const { soft = false } = options;
+  let url = API_BASE + endpoint;
+  if (soft) {
+    url += (endpoint.includes('?') ? '&' : '?') + 'soft=1';
+  }
+  
+  const response = await fetch(url, { method: 'DELETE' });
+  if (!response.ok) {
+    const errorText = await response.text();
+    throw new Error(errorText || `请求失败: ${response.status}`);
+  }
+  return response.json();
+};
+
+// ==================== 模板相关 API ====================
+
+/**
+ * 加载模板列表
+ * @returns {Promise<Array>} 模板数组
+ */
+const fetchTemplates = async () => {
+  const data = await get('/api/templates', { withUserQuery: true });
+  return parseArrayResponse(data);
+};
+
+/**
+ * 获取模板详情
+ * @param {number|string} id - 模板 ID
+ * @returns {Promise<Object>} 模板详情
+ */
+const fetchTemplateDetail = async (id) => {
+  const data = await get(`/api/templates/${id}`);
+  return data?.data || {};
+};
+
+/**
+ * 创建模板
+ * @param {Object} payload - 模板数据
+ * @returns {Promise<Object>} 创建结果
+ */
+const createTemplate = async (payload) => {
+  return post('/api/templates', payload, { withUserQuery: true });
+};
+
+/**
+ * 更新模板
+ * @param {number|string} id - 模板 ID
+ * @param {Object} payload - 更新数据
+ * @returns {Promise<Object>} 更新结果
+ */
+const updateTemplate = async (id, payload) => {
+  return patch(`/api/templates/${id}`, payload);
+};
+
+/**
+ * 删除模板（软删除）
+ * @param {number|string} id - 模板 ID
+ * @returns {Promise<Object>} 删除结果
+ */
+const deleteTemplate = async (id) => {
+  return del(`/api/templates/${id}`, { soft: true });
+};
+
+// ==================== 导出任务相关 API ====================
+
+/**
+ * 加载导出任务列表
+ * @param {Object} params - 查询参数
+ * @param {number} params.page - 页码
+ * @param {number} params.pageSize - 每页数量
+ * @param {number} [params.templateId] - 模板 ID
+ * @returns {Promise<{items: Array, total: number, page: number}>} 分页数据
+ */
+const fetchJobs = async ({ page, pageSize, templateId }) => {
+  const params = {
+    page: String(page),
+    page_size: String(pageSize)
+  };
+  if (templateId) {
+    params.template_id = String(templateId);
+  }
+  const data = await get('/api/exports', { params, withUserQuery: true });
+  return parsePaginatedResponse(data);
+};
+
+/**
+ * 获取任务详情
+ * @param {number|string} id - 任务 ID
+ * @returns {Promise<Object>} 任务详情
+ */
+const fetchJobDetail = async (id) => {
+  const data = await get(`/api/exports/${id}`, { withUserQuery: true });
+  return data?.data || {};
+};
+
+/**
+ * 获取任务 SQL
+ * @param {number|string} id - 任务 ID
+ * @returns {Promise<string>} SQL 语句
+ */
+const fetchJobSql = async (id) => {
+  const data = await get(`/api/exports/${id}/sql`);
+  return data?.data?.final_sql || data?.final_sql || data?.data?.sql || data?.sql || '';
+};
+
+/**
+ * 创建导出任务
+ * @param {Object} payload - 任务数据
+ * @returns {Promise<Object>} 创建结果
+ */
+const createExportJob = async (payload) => {
+  return post('/api/exports', payload, { withUserQuery: true });
+};
+
+/**
+ * 获取下载地址
+ * @param {number|string} id - 任务 ID
+ * @returns {string} 下载 URL
+ */
+const getDownloadUrl = (id) => {
+  return `${API_BASE}/api/exports/${id}/download`;
+};
+
+// ==================== 元数据相关 API ====================
+
+/**
+ * 加载字段元数据
+ * @param {string} datasource - 数据源
+ * @param {number} orderType - 订单类型
+ * @returns {Promise<Object>} 元数据对象 { tables, recommended }
+ */
+const fetchFieldsMetadata = async (datasource, orderType) => {
+  const params = {
+    datasource: datasource,
+    order_type: String(orderType || 0)
+  };
+  const data = await get('/api/metadata/fields', { params });
+  
+  const tables = Array.isArray(data?.data?.tables) 
+    ? data.data.tables 
+    : (Array.isArray(data?.tables) ? data.tables : []);
+  
+  const recommended = Array.isArray(data?.data?.recommended) 
+    ? data.data.recommended 
+    : (Array.isArray(data?.recommended) ? data.recommended : []);
+  
+  return { tables, recommended };
+};
+
+// ==================== 创建者/分销商等选项 API ====================
+
+/**
+ * 加载创建者列表（营销系统）
+ * @returns {Promise<Array<{label: string, value: number}>>} 选项数组
+ */
+const fetchCreators = async () => {
+  const data = await get('/api/creators');
+  const arr = parseArrayResponse(data);
+  return arr.map(it => ({ label: it.name || String(it.id), value: Number(it.id) }));
+};
+
+/**
+ * 加载易码通用户列表
+ * @param {string} [query] - 搜索关键词
+ * @returns {Promise<Array<{label: string, value: number}>>} 选项数组
+ */
+const fetchYmtUsers = async (query) => {
+  const params = { limit: '2000' };
+  if (query) params.q = query;
+  const data = await get('/api/ymt/users', { params });
+  const arr = parseArrayResponse(data);
+  return arr.map(it => ({ label: it.name || String(it.id), value: Number(it.id) }));
+};
+
+/**
+ * 加载分销商列表
+ * @param {number[]} creatorIds - 创建者 ID 数组
+ * @returns {Promise<Array<{label: string, value: number}>>} 选项数组
+ */
+const fetchResellers = async (creatorIds) => {
+  if (!creatorIds?.length) return [];
+  const data = await get('/api/resellers', { params: { creator: creatorIds.join(',') } });
+  const arr = parseArrayResponse(data);
+  return arr.map(it => ({ label: it.name || String(it.id), value: Number(it.id) }));
+};
+
+/**
+ * 加载计划列表
+ * @param {number} resellerId - 分销商 ID
+ * @returns {Promise<Array<{label: string, value: number}>>} 选项数组
+ */
+const fetchPlans = async (resellerId) => {
+  if (!resellerId) return [];
+  const data = await get('/api/plans', { params: { reseller: String(resellerId) } });
+  const arr = parseArrayResponse(data);
+  return arr.map(it => ({ label: `${it.id} - ${it.title || ''}`, value: Number(it.id) }));
+};
+
+/**
+ * 加载易码通客户列表
+ * @param {number} userId - 用户 ID
+ * @returns {Promise<Array<{label: string, value: number}>>} 选项数组
+ */
+const fetchYmtMerchants = async (userId) => {
+  if (!userId) return [];
+  const data = await get('/api/ymt/merchants', { params: { user_id: String(userId), limit: '2000' } });
+  const arr = parseArrayResponse(data);
+  return arr.map(it => ({ label: `${it.id} - ${it.name || ''}`, value: Number(it.id) }));
+};
+
+/**
+ * 加载易码通活动列表
+ * @param {number} merchantId - 客户 ID
+ * @returns {Promise<Array<{label: string, value: number}>>} 选项数组
+ */
+const fetchYmtActivities = async (merchantId) => {
+  if (!merchantId) return [];
+  const data = await get('/api/ymt/activities', { params: { merchant_id: String(merchantId), limit: '2000' } });
+  const arr = parseArrayResponse(data);
+  return arr.map(it => ({ label: `${it.id} - ${it.name || ''}`, value: Number(it.id) }));
+};
+
+// 导出模块
+window.ApiService = {
+  // 基础方法
+  API_BASE,
+  getUserId,
+  getMerchantId,
+  buildUserQueryString,
+  get,
+  post,
+  patch,
+  del,
+  
+  // 模板
+  fetchTemplates,
+  fetchTemplateDetail,
+  createTemplate,
+  updateTemplate,
+  deleteTemplate,
+  
+  // 任务
+  fetchJobs,
+  fetchJobDetail,
+  fetchJobSql,
+  createExportJob,
+  getDownloadUrl,
+  
+  // 元数据
+  fetchFieldsMetadata,
+  
+  // 选项数据
+  fetchCreators,
+  fetchYmtUsers,
+  fetchResellers,
+  fetchPlans,
+  fetchYmtMerchants,
+  fetchYmtActivities
+};
diff --git a/web/modules/config.js b/web/modules/config.js
new file mode 100644
index 0000000..10340be
--- /dev/null
+++ b/web/modules/config.js
@@ -0,0 +1,321 @@
+/**
+ * 配置模块 - 集中管理常量、映射和配置
+ * @module config
+ */
+
+// ==================== 系统常量 ====================
+
+/**
+ * 系统常量配置
+ */
+const CONSTANTS = {
+  // 轮询间隔（毫秒）
+  JOBS_POLL_INTERVAL: 1000,
+  // 树形选择器渲染延迟（毫秒）
+  TREE_RENDER_DELAY: 100,
+  // 编辑模式树渲染延迟（毫秒）
+  TREE_EDIT_RENDER_DELAY: 300,
+  // 对话框最小宽度
+  DIALOG_MIN_WIDTH: 500,
+  // 对话框最大宽度
+  DIALOG_MAX_WIDTH: 1400,
+  // 默认对话框宽度
+  DIALOG_DEFAULT_WIDTH: 900,
+  // 默认编辑对话框宽度
+  DIALOG_EDIT_DEFAULT_WIDTH: 900
+};
+
+// ==================== 数据源配置 ====================
+
+/**
+ * 数据源定义
+ * @type {Object<string, {label: string, mainTable: string, orderTypes: Array}>}
+ */
+const DATASOURCE_CONFIG = {
+  marketing: {
+    label: '营销系统',
+    mainTable: 'order',
+    orderTypes: [
+      { label: '直充卡密', value: 1 },
+      { label: '立减金', value: 2 },
+      { label: '红包', value: 3 }
+    ],
+    defaultOrderType: 1
+  },
+  ymt: {
+    label: '易码通',
+    mainTable: 'order_info',
+    orderTypes: [
+      { label: '直充卡密', value: 2 },
+      { label: '立减金', value: 3 },
+      { label: '红包', value: 1 }
+    ],
+    defaultOrderType: 2
+  }
+};
+
+/**
+ * 获取数据源选项列表
+ * @returns {Array<{label: string, value: string}>}
+ */
+const getDatasourceOptions = () => {
+  return Object.entries(DATASOURCE_CONFIG).map(([value, config]) => ({
+    label: config.label,
+    value
+  }));
+};
+
+/**
+ * 获取数据源标签
+ * @param {string} datasource - 数据源标识
+ * @returns {string} 数据源标签
+ */
+const getDatasourceLabel = (datasource) => {
+  return DATASOURCE_CONFIG[datasource]?.label || datasource || '';
+};
+
+/**
+ * 获取数据源的主表名
+ * @param {string} datasource - 数据源标识
+ * @returns {string} 主表名
+ */
+const getMainTable = (datasource) => {
+  return DATASOURCE_CONFIG[datasource]?.mainTable || 'order';
+};
+
+/**
+ * 获取订单类型选项
+ * @param {string} datasource - 数据源标识
+ * @returns {Array<{label: string, value: number}>} 订单类型选项
+ */
+const getOrderTypeOptions = (datasource) => {
+  return DATASOURCE_CONFIG[datasource]?.orderTypes || [];
+};
+
+/**
+ * 获取默认订单类型
+ * @param {string} datasource - 数据源标识
+ * @returns {number} 默认订单类型
+ */
+const getDefaultOrderType = (datasource) => {
+  return DATASOURCE_CONFIG[datasource]?.defaultOrderType || 1;
+};
+
+/**
+ * 获取订单类型标签
+ * @param {string} datasource - 数据源标识
+ * @param {number} typeValue - 类型值
+ * @returns {string} 类型标签
+ */
+const getOrderTypeLabel = (datasource, typeValue) => {
+  const types = DATASOURCE_CONFIG[datasource]?.orderTypes || [];
+  const found = types.find(t => t.value === typeValue);
+  return found?.label || '';
+};
+
+// ==================== 表标签映射 ====================
+
+/**
+ * 默认表标签映射（当后端未返回时使用）
+ */
+const DEFAULT_TABLE_LABELS = {
+  order: '订单主表',
+  order_info: '订单主表',
+  order_detail: '订单详情',
+  order_cash: '红包订单',
+  order_voucher: '立减金订单',
+  order_digit: '直充卡密订单',
+  plan: '活动计划',
+  key_batch: 'key批次',
+  code_batch: '兑换码批次',
+  voucher: '立减金',
+  voucher_batch: '立减金批次',
+  merchant_key_send: '开放平台发放记录',
+  merchant: '客户',
+  activity: '活动',
+  goods_voucher_batch: '立减金批次表',
+  goods_voucher_subject_config: '立减金主体配置'
+};
+
+// ==================== 表关联配置 ====================
+
+/**
+ * 营销系统表关联结构
+ * 定义了从主表到各子表的路径关系
+ */
+const MARKETING_TABLE_RELATIONS = {
+  order: { path: [] },
+  order_detail: { path: ['order_detail'] },
+  plan: { path: ['plan'] },
+  key_batch: { path: ['plan', 'key_batch'] },
+  code_batch: { path: ['plan', 'key_batch', 'code_batch'] },
+  order_voucher: { path: ['order_voucher'] },
+  voucher: { path: ['order_voucher', 'voucher'] },
+  voucher_batch: { path: ['order_voucher', 'voucher', 'voucher_batch'] },
+  order_cash: { path: ['order_cash'] },
+  merchant_key_send: { path: ['merchant_key_send'] }
+};
+
+/**
+ * 易码通表关联结构
+ */
+const YMT_TABLE_RELATIONS = {
+  order: { path: [] },
+  order_info: { path: [] },
+  merchant: { path: ['merchant'] },
+  activity: { path: ['activity'] },
+  order_digit: { path: ['order_digit'] },
+  order_voucher: { path: ['order_voucher'] },
+  order_cash: { path: ['order_cash'] },
+  goods_voucher_batch: { path: ['goods_voucher_batch'] },
+  goods_voucher_subject_config: { path: ['goods_voucher_subject_config'] }
+};
+
+/**
+ * 获取表关联配置
+ * @param {string} datasource - 数据源标识
+ * @returns {Object} 表关联配置
+ */
+const getTableRelations = (datasource) => {
+  return datasource === 'ymt' ? YMT_TABLE_RELATIONS : MARKETING_TABLE_RELATIONS;
+};
+
+// ==================== 默认字段配置 ====================
+
+/**
+ * 各数据源的默认字段列表
+ */
+const DEFAULT_FIELDS = {
+  marketing: [
+    'order.order_number',
+    'order.creator',
+    'order.out_trade_no',
+    'order.type',
+    'order.status',
+    'order.contract_price',
+    'order.num',
+    'order.total',
+    'order.pay_amount',
+    'order.create_time'
+  ],
+  ymt: [
+    'order_info.order_number',
+    'order_info.creator',
+    'order_info.out_trade_no',
+    'order_info.type',
+    'order_info.status',
+    'order_info.contract_price',
+    'order_info.num',
+    'order_info.pay_amount',
+    'order_info.create_time'
+  ]
+};
+
+/**
+ * 获取默认字段列表
+ * @param {string} datasource - 数据源标识
+ * @returns {string[]} 默认字段列表
+ */
+const getDefaultFields = (datasource) => {
+  return DEFAULT_FIELDS[datasource] || DEFAULT_FIELDS.marketing;
+};
+
+// ==================== 表单选项配置 ====================
+
+/**
+ * 可见性选项
+ */
+const VISIBILITY_OPTIONS = [
+  { label: '个人', value: 'private' },
+  { label: '公共', value: 'public' }
+];
+
+/**
+ * 文件格式选项
+ */
+const FORMAT_OPTIONS = [
+  { label: 'XLSX', value: 'xlsx' },
+  { label: 'CSV', value: 'csv' }
+];
+
+/**
+ * 场景选项（根据数据源动态生成）
+ * @param {string} datasource - 数据源标识
+ * @returns {Array<{label: string, value: string}>}
+ */
+const getSceneOptions = (datasource) => {
+  const mainTable = getMainTable(datasource);
+  return [{ label: '订单数据', value: mainTable }];
+};
+
+/**
+ * 获取场景标签
+ * @param {string} scene - 场景值
+ * @returns {string} 场景标签
+ */
+const getSceneLabel = (scene) => {
+  if (scene === 'order' || scene === 'order_info') return '订单';
+  return scene || '';
+};
+
+// ==================== 订单类型与子表映射 ====================
+
+/**
+ * 营销系统订单类型对应的子表
+ */
+const MARKETING_TYPE_TABLES = {
+  1: ['plan', 'key_batch', 'code_batch', 'merchant_key_send'], // 直充卡密
+  2: ['order_voucher', 'voucher', 'voucher_batch', 'plan', 'key_batch', 'code_batch'], // 立减金
+  3: ['order_cash', 'plan', 'key_batch', 'code_batch'] // 红包
+};
+
+/**
+ * 易码通订单类型对应的子表
+ */
+const YMT_TYPE_TABLES = {
+  1: ['order_cash'], // 红包
+  2: ['order_digit'], // 直充卡密
+  3: ['order_voucher', 'goods_voucher_batch', 'goods_voucher_subject_config'] // 立减金
+};
+
+/**
+ * 获取订单类型对应的可用子表
+ * @param {string} datasource - 数据源标识
+ * @param {number} orderType - 订单类型
+ * @returns {string[]} 可用子表列表
+ */
+const getAvailableSubTables = (datasource, orderType) => {
+  if (datasource === 'ymt') {
+    return YMT_TYPE_TABLES[orderType] || Object.values(YMT_TYPE_TABLES).flat();
+  }
+  return MARKETING_TYPE_TABLES[orderType] || Object.values(MARKETING_TYPE_TABLES).flat();
+};
+
+// 导出模块
+window.AppConfig = {
+  CONSTANTS,
+  DATASOURCE_CONFIG,
+  DEFAULT_TABLE_LABELS,
+  VISIBILITY_OPTIONS,
+  FORMAT_OPTIONS,
+  DEFAULT_FIELDS,
+  
+  // 数据源相关
+  getDatasourceOptions,
+  getDatasourceLabel,
+  getMainTable,
+  getOrderTypeOptions,
+  getDefaultOrderType,
+  getOrderTypeLabel,
+  
+  // 表相关
+  getTableRelations,
+  getAvailableSubTables,
+  
+  // 场景相关
+  getSceneOptions,
+  getSceneLabel,
+  
+  // 默认值
+  getDefaultFields
+};
diff --git a/web/modules/fields.js b/web/modules/fields.js
new file mode 100644
index 0000000..ec7a18b
--- /dev/null
+++ b/web/modules/fields.js
@@ -0,0 +1,462 @@
+/**
+ * 字段处理模块 - 字段路径转换、树结构构建
+ * @module fields
+ */
+
+// 依赖：AppConfig
+
+/**
+ * 字段管理器类
+ * 管理字段元数据、树结构构建和路径转换
+ */
+class FieldsManager {
+  constructor() {
+    // 字段映射：{ tableName: [{ value, label }] }
+    this.fieldsMap = {};
+    // 表标签映射：{ tableName: label }
+    this.tableLabels = {};
+    // 推荐字段列表
+    this.recommendedFields = [];
+  }
+
+  /**
+   * 更新字段元数据
+   * @param {Array} tables - 表定义数组
+   * @param {Array} recommended - 推荐字段数组
+   */
+  updateMetadata(tables, recommended = []) {
+    const map = {};
+    const labels = {};
+
+    tables.forEach(table => {
+      const fields = Array.isArray(table.fields) ? table.fields : [];
+      const visibleFields = fields.filter(f => !f.hidden);
+      map[table.table] = visibleFields.map(f => ({
+        value: f.field,
+        label: f.label
+      }));
+      if (table.label) {
+        labels[table.table] = table.label;
+      }
+    });
+
+    this.fieldsMap = map;
+    this.tableLabels = labels;
+    this.recommendedFields = recommended;
+  }
+
+  /**
+   * 获取表标签
+   * @param {string} table - 表名
+   * @returns {string} 表标签
+   */
+  getTableLabel(table) {
+    return this.tableLabels[table] 
+      || window.AppConfig?.DEFAULT_TABLE_LABELS[table] 
+      || table;
+  }
+
+  /**
+   * 获取指定表的字段列表
+   * @param {string} table - 表名
+   * @returns {Array<{value: string, label: string}>} 字段列表
+   */
+  getTableFields(table) {
+    return this.fieldsMap[table] || [];
+  }
+
+  /**
+   * 检查表中是否存在某字段
+   * @param {string} table - 表名
+   * @param {string} field - 字段名
+   * @returns {boolean} 是否存在
+   */
+  hasField(table, field) {
+    const fields = this.fieldsMap[table] || [];
+    return fields.some(f => f.value === field);
+  }
+
+  /**
+   * 获取所有表名
+   * @returns {string[]} 表名列表
+   */
+  getAllTables() {
+    return Object.keys(this.fieldsMap);
+  }
+
+  /**
+   * 构建树节点
+   * @param {string} table - 表名
+   * @param {Array} children - 子节点
+   * @returns {Object} 树节点
+   */
+  buildTreeNode(table, children = []) {
+    return {
+      value: table,
+      label: this.getTableLabel(table),
+      children
+    };
+  }
+
+  /**
+   * 构建易码通订单子节点
+   * @param {number} orderType - 订单类型
+   * @returns {Array} 子节点数组
+   */
+  buildYmtOrderChildren(orderType) {
+    const orderFields = this.getTableFields('order');
+    const children = orderFields.map(f => ({ value: f.value, label: f.label }));
+
+    // 添加公共子表
+    children.push(this.buildTreeNode('merchant', this.getTableFields('merchant')));
+    children.push(this.buildTreeNode('activity', this.getTableFields('activity')));
+
+    // 根据订单类型添加特定子表
+    if (orderType === 2) {
+      // 直充卡密
+      children.push(this.buildTreeNode('order_digit', this.getTableFields('order_digit')));
+    } else if (orderType === 3) {
+      // 立减金
+      children.push(this.buildTreeNode('order_voucher', this.getTableFields('order_voucher')));
+      children.push(this.buildTreeNode('goods_voucher_batch', this.getTableFields('goods_voucher_batch')));
+      children.push(this.buildTreeNode('goods_voucher_subject_config', this.getTableFields('goods_voucher_subject_config')));
+    } else if (orderType === 1) {
+      // 红包
+      children.push(this.buildTreeNode('order_cash', this.getTableFields('order_cash')));
+    } else {
+      // 全部类型
+      children.push(this.buildTreeNode('order_voucher', this.getTableFields('order_voucher')));
+      children.push(this.buildTreeNode('order_cash', this.getTableFields('order_cash')));
+      children.push(this.buildTreeNode('order_digit', this.getTableFields('order_digit')));
+      children.push(this.buildTreeNode('goods_voucher_batch', this.getTableFields('goods_voucher_batch')));
+      children.push(this.buildTreeNode('goods_voucher_subject_config', this.getTableFields('goods_voucher_subject_config')));
+    }
+
+    return children;
+  }
+
+  /**
+   * 构建营销系统订单子节点
+   * @param {number} orderType - 订单类型
+   * @returns {Array} 子节点数组
+   */
+  buildMarketingOrderChildren(orderType) {
+    const orderFields = this.getTableFields('order');
+    const children = orderFields.map(f => ({ value: f.value, label: f.label }));
+
+    // 订单详情
+    children.push(this.buildTreeNode('order_detail', this.getTableFields('order_detail')));
+
+    // 构建计划节点（包含 key_batch -> code_batch 嵌套）
+    const planChildren = [
+      ...this.getTableFields('plan').map(f => ({ value: f.value, label: f.label })),
+      this.buildTreeNode('key_batch', [
+        ...this.getTableFields('key_batch').map(f => ({ value: f.value, label: f.label })),
+        this.buildTreeNode('code_batch', this.getTableFields('code_batch'))
+      ])
+    ];
+
+    // 构建立减金节点（包含 voucher -> voucher_batch 嵌套）
+    const voucherChildren = [
+      ...this.getTableFields('order_voucher').map(f => ({ value: f.value, label: f.label })),
+      this.buildTreeNode('voucher', [
+        ...this.getTableFields('voucher').map(f => ({ value: f.value, label: f.label })),
+        this.buildTreeNode('voucher_batch', this.getTableFields('voucher_batch'))
+      ])
+    ];
+
+    // 根据订单类型添加特定子表
+    if (orderType === 1) {
+      // 直充卡密
+      children.push(this.buildTreeNode('plan', planChildren));
+      children.push(this.buildTreeNode('merchant_key_send', this.getTableFields('merchant_key_send')));
+    } else if (orderType === 2) {
+      // 立减金
+      children.push(this.buildTreeNode('order_voucher', voucherChildren));
+      children.push(this.buildTreeNode('plan', planChildren));
+    } else if (orderType === 3) {
+      // 红包
+      children.push(this.buildTreeNode('order_cash', this.getTableFields('order_cash')));
+      children.push(this.buildTreeNode('plan', planChildren));
+    } else {
+      // 全部类型
+      children.push(this.buildTreeNode('order_cash', this.getTableFields('order_cash')));
+      children.push(this.buildTreeNode('order_voucher', voucherChildren));
+      children.push(this.buildTreeNode('plan', planChildren));
+      children.push(this.buildTreeNode('merchant_key_send', this.getTableFields('merchant_key_send')));
+    }
+
+    return children;
+  }
+
+  /**
+   * 构建字段选择树数据
+   * @param {string} datasource - 数据源
+   * @param {number} orderType - 订单类型
+   * @param {string} [mainTable] - 主表名（可选，用于编辑模式）
+   * @returns {Array} 树数据
+   */
+  buildFieldTree(datasource, orderType, mainTable) {
+    const type = Number(orderType || 0);
+
+    if (datasource === 'ymt') {
+      const actualMainTable = (mainTable === 'order_info') ? 'order' : (mainTable || 'order');
+      const orderNode = this.buildTreeNode(actualMainTable, this.buildYmtOrderChildren(type));
+      return type ? [orderNode] : [{ value: 'scene_order', label: '订单数据', children: [orderNode] }];
+    } else {
+      const tableForTree = mainTable || 'order';
+      const orderNode = this.buildTreeNode(tableForTree, this.buildMarketingOrderChildren(type));
+      return type ? [orderNode] : [{ value: 'scene_order', label: '订单数据', children: [orderNode] }];
+    }
+  }
+
+  /**
+   * 将 table.field 格式转换为路径数组格式
+   * @param {string[]} fields - 字段数组，格式为 ['table.field', ...]
+   * @param {string} datasource - 数据源
+   * @param {string} mainTable - 主表名
+   * @returns {Array<string[]>} 路径数组，格式为 [['table', 'field'], ...]
+   */
+  convertFieldsToPaths(fields, datasource, mainTable) {
+    const actualMainTable = (datasource === 'ymt' && mainTable === 'order_info') ? 'order' : mainTable;
+    const relations = window.AppConfig?.getTableRelations(datasource) || {};
+
+    const toPath = (tableField) => {
+      const parts = String(tableField || '').split('.');
+      if (parts.length !== 2) return null;
+
+      let table = parts[0];
+      const field = parts[1];
+
+      // ymt 数据源 order_info 映射为 order
+      if (datasource === 'ymt' && table === 'order_info') {
+        table = 'order';
+      }
+
+      // 查找表的路径关系
+      const relation = relations[table];
+      if (!relation) {
+        // 未知表，尝试直接返回
+        return [actualMainTable, table, field];
+      }
+
+      const pathToTable = relation.path || [];
+      if (pathToTable.length === 0) {
+        // 主表字段
+        return [actualMainTable, field];
+      } else {
+        // 子表字段
+        return [actualMainTable, ...pathToTable, field];
+      }
+    };
+
+    return fields
+      .map(toPath)
+      .filter(path => Array.isArray(path) && path.length >= 2)
+      .filter(path => {
+        // 验证字段存在
+        const table = path[path.length - 2];
+        const field = path[path.length - 1];
+        return this.hasField(table, field);
+      });
+  }
+
+  /**
+   * 将路径数组格式转换为 table.field 格式
+   * @param {Array<string[]>} paths - 路径数组
+   * @param {string} datasource - 数据源
+   * @param {string} mainTable - 主表名
+   * @returns {string[]} 字段数组，格式为 ['table.field', ...]
+   */
+  convertPathsToFields(paths, datasource, mainTable) {
+    const actualMainTable = (datasource === 'ymt' && mainTable === 'order_info') ? 'order' : mainTable;
+    const allTables = this.getAllTables();
+
+    // 检查是否只选中了主表节点（表示选择整表）
+    const hasMainTableOnly = paths.some(
+      p => Array.isArray(p) && p.length === 1 && p[0] === actualMainTable
+    );
+
+    if (hasMainTableOnly) {
+      // 返回主表所有字段
+      return this.getTableFields(actualMainTable).map(f => `${mainTable}.${f.value}`);
+    }
+
+    return paths.flatMap(path => {
+      if (!Array.isArray(path)) return [];
+      
+      // 检查是否是组节点（表节点而非字段节点）
+      const lastPart = path[path.length - 1];
+      if (allTables.includes(lastPart)) {
+        // 是表节点，跳过
+        return [];
+      }
+
+      if (path.length >= 2) {
+        const table = path[path.length - 2];
+        const field = path[path.length - 1];
+        // ymt 数据源需要将 order 转回 order_info
+        const finalTable = (datasource === 'ymt' && table === 'order') ? 'order_info' : table;
+        return [`${finalTable}.${field}`];
+      }
+      return [];
+    });
+  }
+
+  /**
+   * 路径数组去重
+   * @param {Array<string[]>} paths - 路径数组
+   * @returns {Array<string[]>} 去重后的路径数组
+   */
+  deduplicatePaths(paths = []) {
+    const seen = new Set();
+    const result = [];
+
+    for (const path of paths) {
+      if (!Array.isArray(path)) continue;
+      const key = path.join('|');
+      if (seen.has(key)) continue;
+      seen.add(key);
+      result.push(path);
+    }
+
+    return result;
+  }
+
+  /**
+   * 获取主表所有叶子字段的路径
+   * @param {string} datasource - 数据源
+   * @returns {Array<string[]>} 路径数组
+   */
+  getMainTableLeafPaths(datasource) {
+    const mainTable = datasource === 'ymt' ? 'order' : 'order';
+    return this.getTableFields(mainTable).map(f => [mainTable, f.value]);
+  }
+}
+
+/**
+ * 树节点工具函数
+ */
+const TreeUtils = {
+  /**
+   * 在树中查找节点
+   * @param {Array} nodes - 树节点数组
+   * @param {string} targetKey - 目标节点 key
+   * @returns {Object|null} 找到的节点
+   */
+  findNode(nodes, targetKey) {
+    for (const node of nodes) {
+      if (node.value === targetKey) {
+        return node;
+      }
+      if (node.children) {
+        const found = TreeUtils.findNode(node.children, targetKey);
+        if (found) return found;
+      }
+    }
+    return null;
+  },
+
+  /**
+   * 查找节点的完整路径
+   * @param {Array} nodes - 树节点数组
+   * @param {string} targetKey - 目标节点 key
+   * @param {string[]} currentPath - 当前路径
+   * @returns {string[]|null} 节点路径
+   */
+  findNodePath(nodes, targetKey, currentPath = []) {
+    for (const node of nodes) {
+      const newPath = [...currentPath, node.value];
+      if (node.value === targetKey) {
+        return newPath;
+      }
+      if (node.children && node.children.length > 0) {
+        const found = TreeUtils.findNodePath(node.children, targetKey, newPath);
+        if (found) return found;
+      }
+    }
+    return null;
+  },
+
+  /**
+   * 根据路径数组查找节点 value
+   * @param {Array} nodes - 树节点数组
+   * @param {string[]} path - 路径数组
+   * @param {number} index - 当前索引
+   * @returns {string|null} 节点 value
+   */
+  findNodeByPath(nodes, path, index = 0) {
+    if (!nodes || index >= path.length) return null;
+
+    const target = path[index];
+    for (const node of nodes) {
+      if (node.value === target) {
+        if (index === path.length - 1) {
+          return node.value;
+        } else if (node.children && node.children.length > 0) {
+          const found = TreeUtils.findNodeByPath(node.children, path, index + 1);
+          if (found) return found;
+        }
+      }
+    }
+    return null;
+  },
+
+  /**
+   * 判断节点是否为叶子节点
+   * @param {Object} node - 节点对象
+   * @returns {boolean} 是否为叶子节点
+   */
+  isLeafNode(node) {
+    return !node.children || node.children.length === 0;
+  },
+
+  /**
+   * 将选中的 keys 转换为路径数组
+   * @param {string[]} checkedKeys - 选中的节点 keys
+   * @param {Array} treeData - 树数据
+   * @returns {Array<string[]>} 路径数组（仅叶子节点）
+   */
+  checkedKeysToLeafPaths(checkedKeys, treeData) {
+    return checkedKeys
+      .filter(key => {
+        const node = TreeUtils.findNode(treeData, key);
+        return node && TreeUtils.isLeafNode(node);
+      })
+      .map(key => {
+        const path = TreeUtils.findNodePath(treeData, key);
+        return path || [key];
+      })
+      .filter(path => path.length >= 2);
+  },
+
+  /**
+   * 将路径数组转换为节点 keys
+   * @param {Array<string[]>} paths - 路径数组
+   * @param {Array} treeData - 树数据
+   * @returns {string[]} 节点 keys
+   */
+  pathsToNodeKeys(paths, treeData) {
+    return paths.map(path => {
+      if (Array.isArray(path)) {
+        const nodeValue = TreeUtils.findNodeByPath(treeData, path);
+        if (nodeValue) return nodeValue;
+        // 找不到时使用路径最后一部分
+        return path[path.length - 1];
+      } else if (typeof path === 'string') {
+        return path;
+      }
+      return null;
+    }).filter(Boolean);
+  }
+};
+
+// 创建全局实例
+const fieldsManager = new FieldsManager();
+
+// 导出模块
+window.FieldsModule = {
+  FieldsManager,
+  TreeUtils,
+  fieldsManager
+};
diff --git a/web/modules/state.js b/web/modules/state.js
new file mode 100644
index 0000000..c193bb4
--- /dev/null
+++ b/web/modules/state.js
@@ -0,0 +1,263 @@
+/**
+ * 状态管理模块 - 拆分状态对象，提供初始化函数
+ * @module state
+ */
+
+/**
+ * 创建模板表单初始状态
+ * @param {string} [datasource='marketing'] - 数据源
+ * @returns {Object} 模板表单状态
+ */
+const createTemplateFormState = (datasource = 'marketing') => ({
+  name: '',
+  datasource: datasource,
+  main_table: datasource === 'ymt' ? 'order_info' : 'order',
+  orderType: datasource === 'ymt' ? 2 : 1,
+  fieldsRaw: '',
+  fieldsSel: [],
+  file_format: 'xlsx',
+  visibility: 'private'
+});
+
+/**
+ * 创建编辑表单初始状态
+ * @returns {Object} 编辑表单状态
+ */
+const createEditFormState = () => ({
+  id: null,
+  name: '',
+  datasource: 'marketing',
+  main_table: 'order',
+  orderType: 1,
+  fieldsSel: [],
+  visibility: 'private',
+  file_format: 'xlsx'
+});
+
+/**
+ * 创建导出表单初始状态
+ * @returns {Object} 导出表单状态
+ */
+const createExportFormState = () => ({
+  tplId: null,
+  datasource: 'marketing',
+  file_format: 'xlsx',
+  dateRange: [],
+  // 营销系统筛选条件
+  creatorIds: [],
+  creatorIdsRaw: '',
+  resellerId: null,
+  planId: null,
+  keyBatchId: null,
+  codeBatchId: null,
+  voucherChannelActivityId: '',
+  // 易码通筛选条件
+  ymtCreatorId: '',
+  ymtMerchantId: '',
+  ymtActivityId: ''
+});
+
+/**
+ * 创建导出模板状态
+ * @returns {Object} 导出模板状态
+ */
+const createExportTemplateState = () => ({
+  id: null,
+  filters: {},
+  main_table: '',
+  fields: [],
+  datasource: '',
+  file_format: ''
+});
+
+/**
+ * 创建任务列表状态
+ * @returns {Object} 任务列表状态
+ */
+const createJobsState = () => ({
+  jobs: [],
+  jobsVisible: false,
+  jobsTplId: null,
+  jobsPage: 1,
+  jobsPageSize: 10,
+  jobsTotal: 0
+});
+
+/**
+ * 创建SQL预览状态
+ * @returns {Object} SQL预览状态
+ */
+const createSqlPreviewState = () => ({
+  sqlVisible: false,
+  sqlText: '',
+  sqlExplainDesc: ''
+});
+
+/**
+ * 创建对话框状态
+ * @returns {Object} 对话框状态
+ */
+const createDialogState = () => {
+  const { CONSTANTS } = window.AppConfig || {};
+  const defaultWidth = CONSTANTS?.DIALOG_DEFAULT_WIDTH || 900;
+  const editDefaultWidth = CONSTANTS?.DIALOG_EDIT_DEFAULT_WIDTH || 900;
+
+  return {
+    createVisible: false,
+    editVisible: false,
+    exportVisible: false,
+    exportSubmitting: false,
+    createWidth: localStorage.getItem('tplDialogWidth') || (defaultWidth + 'px'),
+    editWidth: localStorage.getItem('tplEditDialogWidth') || (editDefaultWidth + 'px')
+  };
+};
+
+/**
+ * 创建完整的应用状态
+ * @returns {Object} 完整应用状态
+ */
+const createAppState = () => {
+  return {
+    // 模板列表
+    templates: [],
+    
+    // 当前任务详情
+    job: {},
+    
+    // 模板表单
+    form: createTemplateFormState(),
+    
+    // 编辑表单
+    edit: createEditFormState(),
+    
+    // 导出表单
+    exportForm: createExportFormState(),
+    
+    // 导出模板详情
+    exportTpl: createExportTemplateState(),
+    
+    // 任务列表
+    ...createJobsState(),
+    
+    // SQL 预览
+    ...createSqlPreviewState(),
+    
+    // 对话框
+    ...createDialogState()
+  };
+};
+
+/**
+ * 重置模板表单
+ * @param {Object} form - 表单对象
+ * @param {string} [datasource='marketing'] - 数据源
+ */
+const resetTemplateForm = (form, datasource = 'marketing') => {
+  const initial = createTemplateFormState(datasource);
+  Object.assign(form, initial);
+};
+
+/**
+ * 重置编辑表单
+ * @param {Object} edit - 编辑表单对象
+ */
+const resetEditForm = (edit) => {
+  const initial = createEditFormState();
+  Object.assign(edit, initial);
+};
+
+/**
+ * 重置导出表单
+ * @param {Object} exportForm - 导出表单对象
+ */
+const resetExportForm = (exportForm) => {
+  const initial = createExportFormState();
+  Object.assign(exportForm, initial);
+};
+
+/**
+ * 表单验证规则工厂
+ */
+const ValidationRules = {
+  /**
+   * 创建模板表单验证规则
+   * @returns {Object} 验证规则
+   */
+  createTemplateRules() {
+    return {
+      name: [{ required: true, message: '请输入模板名称', trigger: 'blur' }],
+      datasource: [{ required: true, message: '请选择数据源', trigger: 'change' }],
+      main_table: [{ required: true, message: '请选择导出场景', trigger: 'change' }],
+      orderType: [{ required: true, message: '请选择订单类型', trigger: 'change' }],
+      fieldsSel: [{
+        validator: (_rule, val, cb) => {
+          if (Array.isArray(val) && val.length > 0) {
+            cb();
+          } else {
+            cb(new Error('请至少选择一个字段'));
+          }
+        },
+        trigger: 'change'
+      }],
+      file_format: [{ required: true, message: '请选择输出格式', trigger: 'change' }],
+      visibility: [{ required: true, message: '请选择可见性', trigger: 'change' }]
+    };
+  },
+
+  /**
+   * 创建编辑表单验证规则
+   * @returns {Object} 验证规则
+   */
+  createEditRules() {
+    return {
+      name: [{ required: true, message: '请输入模板名称', trigger: 'blur' }],
+      orderType: [{ required: true, message: '请选择订单类型', trigger: 'change' }],
+      fieldsSel: [{
+        validator: (_rule, val, cb) => {
+          if (Array.isArray(val) && val.length > 0) {
+            cb();
+          } else {
+            cb(new Error('请至少选择一个字段'));
+          }
+        },
+        trigger: 'change'
+      }]
+    };
+  },
+
+  /**
+   * 创建导出表单验证规则
+   * @returns {Object} 验证规则
+   */
+  createExportRules() {
+    return {
+      tplId: [{ required: true, message: '请选择模板', trigger: 'change' }],
+      dateRange: [{
+        validator: (_rule, val, cb) => {
+          if (Array.isArray(val) && val.length === 2) {
+            cb();
+          } else {
+            cb(new Error('请选择时间范围'));
+          }
+        },
+        trigger: 'change'
+      }]
+    };
+  }
+};
+
+// 导出模块
+window.StateModule = {
+  createTemplateFormState,
+  createEditFormState,
+  createExportFormState,
+  createExportTemplateState,
+  createJobsState,
+  createSqlPreviewState,
+  createDialogState,
+  createAppState,
+  resetTemplateForm,
+  resetEditForm,
+  resetExportForm,
+  ValidationRules
+};
diff --git a/web/modules/utils.js b/web/modules/utils.js
new file mode 100644
index 0000000..f0a83ba
--- /dev/null
+++ b/web/modules/utils.js
@@ -0,0 +1,187 @@
+/**
+ * 工具函数模块 - 通用工具函数
+ * @module utils
+ */
+
+/**
+ * 显示消息提示
+ * @param {string} text - 消息内容
+ * @param {'success'|'error'|'warning'|'info'} [type='success'] - 消息类型
+ */
+const showMessage = (text, type = 'success') => {
+  if (window.ElementPlus?.ElMessage) {
+    window.ElementPlus.ElMessage({ message: text, type });
+  } else {
+    console.log(`[${type}] ${text}`);
+  }
+};
+
+/**
+ * 格式化日期时间
+ * @param {Date} date - 日期对象
+ * @returns {string} 格式化后的日期字符串 YYYY-MM-DD HH:mm:ss
+ */
+const formatDateTime = (date) => {
+  const pad = (n) => String(n).padStart(2, '0');
+  return `${date.getFullYear()}-${pad(date.getMonth() + 1)}-${pad(date.getDate())} ${pad(date.getHours())}:${pad(date.getMinutes())}:${pad(date.getSeconds())}`;
+};
+
+/**
+ * 获取月份范围
+ * @param {number} [offsetMonths=-1] - 月份偏移量（负数表示往前推）
+ * @returns {[string, string]} [开始时间, 结束时间]
+ */
+const getMonthRange = (offsetMonths = -1) => {
+  const now = new Date();
+  const base = new Date(now.getFullYear(), now.getMonth(), 1, 0, 0, 0);
+  const start = new Date(base.getFullYear(), base.getMonth() + offsetMonths, 1, 0, 0, 0);
+  const end = new Date(start.getFullYear(), start.getMonth() + 1, 0, 23, 59, 59);
+  return [formatDateTime(start), formatDateTime(end)];
+};
+
+/**
+ * 计算对话框宽度（限制在最小和最大值之间）
+ * @param {number} width - 目标宽度
+ * @param {number} [minWidth=500] - 最小宽度
+ * @param {number} [maxWidth=1400] - 最大宽度
+ * @returns {string} 宽度字符串，如 '900px'
+ */
+const clampDialogWidth = (width, minWidth = 500, maxWidth = 1400) => {
+  const clamped = Math.max(minWidth, Math.min(maxWidth, width));
+  return clamped + 'px';
+};
+
+/**
+ * 从 localStorage 获取对话框宽度
+ * @param {string} key - 存储键名
+ * @param {number} defaultWidth - 默认宽度
+ * @returns {string} 宽度字符串
+ */
+const getStoredDialogWidth = (key, defaultWidth) => {
+  const stored = localStorage.getItem(key);
+  return stored || (defaultWidth + 'px');
+};
+
+/**
+ * 保存对话框宽度到 localStorage
+ * @param {string} key - 存储键名
+ * @param {string} width - 宽度字符串
+ */
+const saveDialogWidth = (key, width) => {
+  localStorage.setItem(key, width);
+};
+
+/**
+ * 计算任务进度百分比
+ * @param {Object} job - 任务对象
+ * @returns {string} 进度描述
+ */
+const calculateJobProgress = (job) => {
+  const estimate = Number(job.row_estimate || 0);
+  const done = Number(job.total_rows || 0);
+
+  if (job.status === 'completed') return '100%';
+  if (job.status === 'failed') return '失败';
+  if (job.status === 'canceled') return '已取消';
+  if (job.status === 'queued') return '0%';
+
+  if (job.status === 'running') {
+    const effectiveEstimate = estimate > 0 ? estimate : (done > 0 ? done * 2 : 0);
+    if (effectiveEstimate > 0) {
+      const percent = Math.max(0, Math.min(100, Math.floor(done * 100 / effectiveEstimate)));
+      return percent + '%';
+    }
+    if (done > 0) return `已写${done.toLocaleString()}`;
+    return '评估中';
+  }
+
+  const effectiveEstimate = estimate > 0 ? estimate : (done > 0 ? done * 2 : 0);
+  if (effectiveEstimate > 0) {
+    const percent = Math.max(0, Math.min(100, Math.floor(done * 100 / effectiveEstimate)));
+    return percent + '%';
+  }
+  return '评估中';
+};
+
+/**
+ * 解析宽度字符串为数字
+ * @param {string} widthStr - 宽度字符串，如 '900px'
+ * @param {number} defaultValue - 默认值
+ * @returns {number} 宽度数值
+ */
+const parseWidth = (widthStr, defaultValue) => {
+  return parseInt(String(widthStr).replace('px', '') || String(defaultValue), 10);
+};
+
+/**
+ * 深度克隆对象
+ * @param {Object} obj - 要克隆的对象
+ * @returns {Object} 克隆后的对象
+ */
+const deepClone = (obj) => {
+  return JSON.parse(JSON.stringify(obj));
+};
+
+/**
+ * 安全地获取嵌套属性
+ * @param {Object} obj - 对象
+ * @param {string} path - 属性路径，如 'a.b.c'
+ * @param {*} defaultValue - 默认值
+ * @returns {*} 属性值或默认值
+ */
+const getNestedValue = (obj, path, defaultValue = undefined) => {
+  const keys = path.split('.');
+  let result = obj;
+  for (const key of keys) {
+    if (result == null) return defaultValue;
+    result = result[key];
+  }
+  return result !== undefined ? result : defaultValue;
+};
+
+/**
+ * 防抖函数
+ * @param {Function} fn - 要防抖的函数
+ * @param {number} delay - 延迟时间（毫秒）
+ * @returns {Function} 防抖后的函数
+ */
+const debounce = (fn, delay) => {
+  let timer = null;
+  return function (...args) {
+    if (timer) clearTimeout(timer);
+    timer = setTimeout(() => fn.apply(this, args), delay);
+  };
+};
+
+/**
+ * 节流函数
+ * @param {Function} fn - 要节流的函数
+ * @param {number} limit - 限制时间（毫秒）
+ * @returns {Function} 节流后的函数
+ */
+const throttle = (fn, limit) => {
+  let inThrottle = false;
+  return function (...args) {
+    if (!inThrottle) {
+      fn.apply(this, args);
+      inThrottle = true;
+      setTimeout(() => (inThrottle = false), limit);
+    }
+  };
+};
+
+// 导出模块
+window.AppUtils = {
+  showMessage,
+  formatDateTime,
+  getMonthRange,
+  clampDialogWidth,
+  getStoredDialogWidth,
+  saveDialogWidth,
+  calculateJobProgress,
+  parseWidth,
+  deepClone,
+  getNestedValue,
+  debounce,
+  throttle
+};