diff --git a/background.js b/background.js
index 25962fe..9aa709d 100644
--- a/background.js
+++ b/background.js
@@ -1,42 +1,34 @@
 /**
- * Injects the content scripts into the active tab to enable Kintone helper functionality
- * @param {Object} tab - The active tab object from Chrome API
- * @returns {Promise<void>} Resolves when all scripts are injected successfully
+ * Chrome 扩展后台脚本
+ * 负责将内容脚本注入 Kintone 页面
+ */
+
+import { SCRIPT_FILES } from './utils/constants.js';
+
+/**
+ * 将 Kintone Helper 脚本注入指定标签页
+ * @param {Object} tab - Chrome 标签页对象
+ * @returns {Promise<void>} 当脚本注入成功时解决
  */
 const injectKintoneHelperScripts = async (tab) => {
-  const scriptFiles = ['fields.js', 'dom.js', 'main.js'];
-
   try {
-    // Inject all scripts in parallel for better performance
+    // 将所有脚本并行注入
     await Promise.all(
-      scriptFiles.map(file =>
+      SCRIPT_FILES.map(scriptFile =>
         chrome.scripting.executeScript({
           target: { tabId: tab.id },
-          files: [file],
+          files: [scriptFile],
           world: 'MAIN',
         })
       )
     );
 
-    console.log('Kintone helper scripts injected successfully');
   } catch (error) {
-    console.error('Failed to inject Kintone helper scripts:', error);
-    throw error; // Re-throw to allow caller to handle if needed
+    throw new Error(`Kintone Helper script injection failed: ${error.message}`);
   }
 };
 
-/**
- * Handles the extension action click event
- * @param {Object} tab - The active tab that triggered the action
- */
-const handleActionClick = async (tab) => {
-  try {
-    await injectKintoneHelperScripts(tab);
-  } catch (error) {
-    // Error already logged in injectKintoneHelperScripts
-    // Could add user notification here if needed
-  }
-};
-
-// Register the click handler for the browser action
-chrome.action.onClicked.addListener(handleActionClick);
+// 当点击扩展，开始执行脚本注入
+chrome.action.onClicked.addListener(async (tab) => {
+  await injectKintoneHelperScripts(tab);
+});
diff --git a/constants.js b/constants.js
deleted file mode 100644
index 7d9faa3..0000000
--- a/constants.js
+++ /dev/null
@@ -1,70 +0,0 @@
-// Field type constants
-export const FIELD_TYPES = {
-  SINGLE_LINE_TEXT: 'SINGLE_LINE_TEXT',
-  NUMBER: 'NUMBER',
-  MULTI_LINE_TEXT: 'MULTI_LINE_TEXT',
-  RICH_TEXT: 'RICH_TEXT',
-  LINK: 'LINK',
-  CHECK_BOX: 'CHECK_BOX',
-  RADIO_BUTTON: 'RADIO_BUTTON',
-  DROP_DOWN: 'DROP_DOWN',
-  MULTI_SELECT: 'MULTI_SELECT',
-  DATE: 'DATE',
-  TIME: 'TIME',
-  DATETIME: 'DATETIME',
-  USER_SELECT: 'USER_SELECT',
-  ORGANIZATION_SELECT: 'ORGANIZATION_SELECT',
-  GROUP_SELECT: 'GROUP_SELECT',
-  CALC: 'CALC',
-  RECORD_NUMBER: 'RECORD_NUMBER',
-  CREATOR: 'CREATOR',
-  CREATED_TIME: 'CREATED_TIME',
-  MODIFIER: 'MODIFIER',
-  UPDATED_TIME: 'UPDATED_TIME',
-  STATUS: 'STATUS',
-  STATUS_ASSIGNEE: 'STATUS_ASSIGNEE',
-  CATEGORY: 'CATEGORY',
-  FILE: 'FILE',
-  SUBTABLE: 'SUBTABLE',
-  GROUP: 'GROUP',
-  REFERENCE_TABLE: 'REFERENCE_TABLE',
-};
-
-// Layout types
-export const LAYOUT_TYPES = {
-  ROW: 'ROW',
-  SUBTABLE: 'SUBTABLE',
-  GROUP: 'GROUP',
-  LABEL: 'LABEL',
-  HR: 'HR',
-  SPACER: 'SPACER',
-};
-
-// Field types that support option sorting
-export const OPTION_SORTABLE_TYPES = [
-  FIELD_TYPES.CHECK_BOX,
-  FIELD_TYPES.DROP_DOWN,
-  FIELD_TYPES.MULTI_SELECT,
-  FIELD_TYPES.RADIO_BUTTON,
-];
-
-// Colors
-export const COLORS = {
-  TOOLTIP_TEXT: 'red',
-  SPACER_BORDER: '1px dotted red',
-};
-
-// Spacing and dimensions
-export const SPACING = {
-  GROUP_MARGIN_LEFT: '20px',
-  REFERENCE_TABLE_SPACER: '30px',
-};
-
-// Field types excluded from group processing
-export const EXCLUDED_GROUP_TYPES = [
-  FIELD_TYPES.CATEGORY,
-  FIELD_TYPES.STATUS,
-  FIELD_TYPES.STATUS_ASSIGNEE,
-  FIELD_TYPES.SUBTABLE,
-  FIELD_TYPES.GROUP,
-];
diff --git a/dom.js b/dom.js
deleted file mode 100644
index 14e8e23..0000000
--- a/dom.js
+++ /dev/null
@@ -1,112 +0,0 @@
-import { COLORS, SPACING, FIELD_TYPES } from './constants.js';
-
-/**
- * Extracts the guest space ID from the current URL
- * @returns {string|undefined} Guest space ID or undefined if not found
- */
-export const getGuestSpaceId = () => {
-  const match = window.location.pathname.match(/\/guest\/([0-9]+)\//);
-  return match ? match[1] : undefined;
-};
-
-/**
- * Creates a field span element with proper styling
- * @param {Object} params - Parameters for the span
- * @param {string} params.code - Field code
- * @param {string} params.type - Field type
- * @param {number} params.width - Field width (optional)
- * @returns {HTMLElement} Container div with span
- */
-const createFieldSpan = ({ code, type, width }) => {
-  const container = document.createElement('div');
-
-  // Handle width and margin
-  if (width !== undefined) {
-    container.style.width = `${Number(width) - 8}px`;
-    container.style.marginLeft = '8px';
-  } else {
-    container.style.width = '100%';
-  }
-
-  // Create and style the span element
-  const fieldSpan = document.createElement('span');
-  fieldSpan.textContent = type !== undefined ? `${code} (${type})` : code;
-  fieldSpan.style.display = 'inline-block';
-  fieldSpan.style.width = '100%';
-  fieldSpan.style.color = COLORS.TOOLTIP_TEXT;
-  fieldSpan.style.overflowWrap = 'anywhere';
-  fieldSpan.style.whiteSpace = 'pre-wrap';
-
-  // Special styling for GROUP type fields
-  if (type === FIELD_TYPES.GROUP) {
-    fieldSpan.style.marginLeft = SPACING.GROUP_MARGIN_LEFT;
-  }
-
-  container.appendChild(fieldSpan);
-  return container;
-};
-
-/**
- * Creates a label container element
- * @param {Object} params - Parameters for the label
- * @param {string} params.code - Field code for label
- * @param {string} params.type - Field type for label
- * @param {number} params.width - Width for label container
- * @returns {HTMLElement} Container with field span
- */
-export const createFieldWithLabels = ({ code, type, width }) => {
-  const container = document.createElement('div');
-  container.style.display = 'inline-block';
-
-  const fieldSpan = createFieldSpan({ code, type, width });
-  container.appendChild(fieldSpan);
-
-  return container;
-};
-
-/**
- * Creates a container with multiple field labels
- * @param {Array} fieldNames - Names of fields to create labels for
- * @param {Array} widths - Widths corresponding to field names
- * @param {string} fieldType - Type of the field (affects spacing)
- * @returns {HTMLElement} Span container with all labels
- */
-export const createFieldLabels = (fieldNames, widths, fieldType) => {
-  const container = document.createElement('span');
-
-  // Add spacer for reference table fields
-  if (fieldType === FIELD_TYPES.REFERENCE_TABLE) {
-    const spacer = document.createElement('span');
-    spacer.style.width = SPACING.REFERENCE_TABLE_SPACER;
-    spacer.style.display = 'inline-block';
-    container.appendChild(spacer);
-  }
-
-  // Create label elements with adjusted widths
-  const labels = fieldNames.map((name, index) => {
-    const adjustedWidth = index === fieldNames.length - 1 ? widths[index] - 1 : widths[index];
-    return createFieldWithLabels({
-      code: name,
-      width: adjustedWidth,
-    });
-  });
-
-  // Append all labels to container
-  labels.forEach(label => container.appendChild(label));
-
-  return container;
-};
-
-/**
- * Extracts column widths from table headers
- * @param {HTMLElement} tableElement - Table element to analyze
- * @param {string} fieldType - Type of field (affects returned widths)
- * @returns {Array} Array of column widths
- */
-export const getColumnWidths = (tableElement, fieldType) => {
-  const headers = Array.from(tableElement.querySelectorAll('th'));
-  const widths = headers.map(header => header.clientWidth);
-
-  // For subtables include all widths, for others skip first column
-  return fieldType === FIELD_TYPES.SUBTABLE ? widths : widths.slice(1);
-};
diff --git a/features/add-field-label/fields.js b/features/add-field-label/fields.js
new file mode 100644
index 0000000..711f6ca
--- /dev/null
+++ b/features/add-field-label/fields.js
@@ -0,0 +1,185 @@
+import {
+  LAYOUT_TYPES,
+  FIELD_TYPES,
+  SYSTEM_STATUS_FIELD_TYPES,
+  SYSTEM_FIELD_TYPES,
+  EXCLUDED_GROUP_TYPES
+} from '../../utils/constants.js';
+import {
+  sortFieldOptions,
+  shouldSortOptions,
+  markLookupCopies,
+} from '../../utils/field-utils.js';
+
+/**
+ * 从属性列表中添加系统状态字段到字段数组中
+ * @param {Object} properties - 所有字段属性对象
+ * @param {Array} fields - 要添加字段的数组
+ */
+const addSystemStatusFields = (properties, fields) => {
+  const propertyList = Object.values(properties);
+
+  SYSTEM_STATUS_FIELD_TYPES.forEach(type => {
+    const field = propertyList.find(f => f.type === type);
+    if (field?.enabled) {
+      fields.push(field);
+    }
+  });
+};
+
+/**
+ * 处理常规行布局中的字段
+ * @param {Array} rowFields - 行中的字段列表
+ * @param {Object} properties - 字段属性映射
+ * @param {Array} fields - 要添加字段的数组
+ * @param {Array} spacers - 要添加间距元素的数组
+ */
+const processRowFields = (rowFields, properties, fields, spacers) => {
+  for (const field of rowFields) {
+    // 跳过标签和分割线布局
+    if ([LAYOUT_TYPES.LABEL, LAYOUT_TYPES.HR].includes(field.type)) continue;
+
+    // 处理间距元素
+    if (field.type === LAYOUT_TYPES.SPACER) {
+      spacers.push(field);
+      continue;
+    }
+
+    const fieldProperty = properties[field.code];
+    // 跳过子表和分组类型的字段，这些单独处理
+    if ([FIELD_TYPES.SUBTABLE, FIELD_TYPES.GROUP].includes(fieldProperty.type)) continue;
+
+    // 创建处理后的字段对象，支持选项排序的字段添加排序选项
+    const processedField = shouldSortOptions(fieldProperty.type)
+      ? { ...fieldProperty, sortedOptions: sortFieldOptions(fieldProperty) }
+      : fieldProperty;
+
+    fields.push(processedField);
+  }
+};
+
+/**
+ * 处理子表字段
+ * @param {Object} layout - 子表布局对象
+ * @param {Object} properties - 字段属性映射
+ * @param {Array} fields - 要添加字段的数组
+ */
+const processSubtableFields = (layout, properties, fields) => {
+  const tableCode = layout.code;
+  const tableField = properties[tableCode];
+
+  if (tableField.type !== FIELD_TYPES.SUBTABLE) return;
+
+  const subtableFieldsMap = {};
+
+  // 处理子表中每个字段
+  layout.fields.forEach(({ code: fieldCode }) => {
+    const subField = tableField.fields[fieldCode];
+    const processedField = shouldSortOptions(subField.type)
+      ? { ...subField, table: tableCode, sortedOptions: sortFieldOptions(subField) }
+      : { ...subField, table: tableCode };
+
+    subtableFieldsMap[fieldCode] = processedField;
+    fields.push(processedField);
+  });
+
+  // 将完整的子表信息也添加到字段列表中
+  fields.push({ ...tableField, fields: subtableFieldsMap });
+};
+
+/**
+ * 处理分组字段
+ * @param {Object} layout - 分组布局对象
+ * @param {Object} properties - 字段属性映射
+ * @param {Array} fields - 要添加字段的数组
+ * @param {Array} spacers - 要添加间距元素的数组
+ */
+const processGroupFields = (layout, properties, fields, spacers) => {
+  const groupCode = layout.code;
+  const groupField = properties[groupCode];
+
+  if (groupField.type !== FIELD_TYPES.GROUP) return;
+
+  const groupFieldsMap = {};
+
+  // 处理分组中的每个字段
+  layout.layout.forEach(row => {
+    row.fields.forEach(field => {
+      // 跳过标签和分割线布局
+      if ([LAYOUT_TYPES.LABEL, LAYOUT_TYPES.HR].includes(field.type)) return;
+
+      // 处理间距元素
+      if (field.type === LAYOUT_TYPES.SPACER) {
+        spacers.push({ ...field, group: groupCode });
+        return;
+      }
+
+      const groupSubField = properties[field.code];
+
+      // 跳过排除的字段类型
+      if (EXCLUDED_GROUP_TYPES.includes(groupSubField.type)) return;
+
+      const processedField = shouldSortOptions(groupSubField.type)
+        ? { ...groupSubField, group: groupCode, sortedOptions: sortFieldOptions(groupSubField) }
+        : { ...groupSubField, group: groupCode };
+
+      groupFieldsMap[field.code] = processedField;
+      fields.push(processedField);
+    });
+  });
+
+  // 将完整的分组信息也添加到字段列表中
+  fields.push({ ...groupField, fields: groupFieldsMap });
+};
+
+/**
+ * 添加缺失的系统字段
+ * @param {Object} properties - 字段属性对象
+ * @param {Array} fields - 要添加字段的数组
+ */
+const addMissingSystemFields = (properties, fields) => {
+  const propertyList = Object.values(properties);
+
+  SYSTEM_FIELD_TYPES.forEach(type => {
+    const field = propertyList.find(f => f.type === type);
+    // 只添加还没有的系统字段
+    if (field && !fields.some(f => f.type === type)) {
+      fields.push(field);
+    }
+  });
+};
+
+/**
+ * 从表单属性和布局生成处理后的字段和间距数组
+ * @param {Object} properties - 字段属性对象
+ * @param {Array} layouts - 布局定义
+ * @returns {Object} 包含字段和间距数组的对象
+ */
+export const generateFields = (properties, layouts) => {
+  const fields = [];
+  const spacers = [];
+
+  // 首先添加系统状态字段
+  addSystemStatusFields(properties, fields);
+
+  // 处理每个布局项
+  layouts.forEach(layout => {
+    switch (layout.type) {
+      case LAYOUT_TYPES.ROW:
+        processRowFields(layout.fields, properties, fields, spacers);
+        break;
+      case LAYOUT_TYPES.SUBTABLE:
+        processSubtableFields(layout, properties, fields);
+        break;
+      case LAYOUT_TYPES.GROUP:
+        processGroupFields(layout, properties, fields, spacers);
+        break;
+    }
+  });
+
+  markLookupCopies(fields);
+
+  addMissingSystemFields(properties, fields);
+
+  return { fields, spacers };
+};
diff --git a/features/add-field-label/main.js b/features/add-field-label/main.js
new file mode 100644
index 0000000..da3a104
--- /dev/null
+++ b/features/add-field-label/main.js
@@ -0,0 +1,106 @@
+/**
+ * 添加字段信息功能模块
+ * 负责获取表单配置并添加字段信息标签
+ */
+
+import { generateFields } from './fields.js';
+import { getGuestSpaceId, getAppId, isInDetailPage, isInAdminFormPage } from '../../utils/kintone-utils.js';
+import { FieldLabelProcessor } from '../../page/detail/field-label-processor.js';
+import { AdminFieldLabelProcessor } from '../../page/admin/form/admin-field-label-processor.js';
+import { KintoneRestAPIClient } from '@kintone/rest-api-client';
+import { PAGE_TYPES } from '../../utils/constants.js';
+
+/**
+ * 从 Kintone API 获取表单数据
+ * @param {number} appId - 应用 ID
+ * @param {boolean} isPreview - 是否为预览模式
+ * @returns {Promise<Object>} 表单字段和布局数据
+ */
+const fetchFormData = async (appId, isPreview) => {
+  try {
+    // 初始化 Kintone REST API 客户端
+    const client = new KintoneRestAPIClient({
+      guestSpaceId: getGuestSpaceId(),  // 访客空间 ID，支持在访客空间中工作
+    });
+
+    const [formFieldsResult, layoutResult] = await Promise.all([
+      client.app.getFormFields({
+        app: appId,
+        preview: isPreview,
+      }),
+      client.app.getFormLayout({
+        app: appId,
+        preview: isPreview,
+      }),
+    ]);
+
+    if (!formFieldsResult?.properties) {
+      throw new Error('Failed to retrieve form field data');
+    }
+
+    if (!layoutResult?.layout) {
+      throw new Error('Failed to retrieve form layout data');
+    }
+
+    return {
+      formFields: formFieldsResult.properties,  // 表单字段属性
+      layout: layoutResult.layout,              // 表单布局配置
+    };
+  } catch (error) {
+    console.error('Failed to fetch form data: ', error);
+    throw new Error(`Unable to retrieve form configuration: ${error.message}`);
+  }
+};
+
+/**
+ * 主函数：为 Kintone 表单添加字段信息标签
+ * @returns {Promise<void>}
+ */
+export const addFieldLabel = async () => {
+  try {
+    const appId = getAppId();
+    if (!appId || typeof appId !== 'number') {
+      return;
+    }
+
+    // 创建字段标签处理器实例
+    const labelProcessor = getFieldLabelProcessor(appId);
+    if (!labelProcessor) {
+      console.warn('Unable to create field label processor')
+      return;
+    }
+
+    // 从 API 获取表单配置数据
+    const { formFields, layout } = await fetchFormData(appId, labelProcessor.isPreview());
+
+    // 处理字段并生成标签数据
+    const { fields: fieldsWithLabels, spacers: spacerElements } =
+      generateFields(formFields, layout);
+
+    console.log(`Processed ${fieldsWithLabels.length} fields and ${spacerElements.length} spacer elements`);
+
+    // 字段元素
+    labelProcessor.processFieldLabels(fieldsWithLabels);
+    // 间距元素
+    labelProcessor.processSpacerLabels(spacerElements);
+
+  } catch (error) {
+    console.error('Failed to add field information: ', error);
+    throw error;
+  }
+};
+
+const getFieldLabelProcessor = (appId) => {
+  if (isInDetailPage()) {
+    return new FieldLabelProcessor({
+      appId,
+      pageType: PAGE_TYPES.DETAIL  // 当前专注于详情页面
+    });
+  }
+  if (isInAdminFormPage()) {
+    return new AdminFieldLabelProcessor({
+      appId,
+      pageType: PAGE_TYPES.ADMIN  // admin 表单页面
+    });
+  }
+};
diff --git a/features/add-field-label/settings.js b/features/add-field-label/settings.js
new file mode 100644
index 0000000..d616364
--- /dev/null
+++ b/features/add-field-label/settings.js
@@ -0,0 +1,15 @@
+// 颜色配置常量
+export const COLORS = {
+  LABEL_TEXT: 'red',
+  SPACER_BORDER: '1px dotted red',
+};
+
+// 间距和尺寸配置常量
+export const SPACING = {
+  GROUP_MARGIN_LEFT: '20px',
+  REFERENCE_TABLE_SPACER: '30px',
+  TABLE_COLUMN_PADDING: 8,
+  FIELD_CONTAINER_WIDTH: '100%',
+};
+
+export let IS_FIELD_TYPE_DISPLAY = false;
diff --git a/fields.js b/fields.js
deleted file mode 100644
index e7c3de9..0000000
--- a/fields.js
+++ /dev/null
@@ -1,257 +0,0 @@
-import {
-  FIELD_TYPES,
-  LAYOUT_TYPES,
-  OPTION_SORTABLE_TYPES,
-  EXCLUDED_GROUP_TYPES
-} from './constants.js';
-
-/**
- * Sorts field options by index for fields that support options
- * @param {Object} field - Field object
- * @returns {Array} Sorted option labels
- */
-const sortFieldOptions = (field) => {
-  if (!field.options) return [];
-  return Object.values(field.options)
-    .sort((a, b) => Number(a.index) - Number(b.index))
-    .map(option => option.label);
-};
-
-/**
- * Checks if a field should have its options sorted
- * @param {string} fieldType - Type of the field
- * @returns {boolean} True if options should be sorted
- */
-const shouldSortOptions = (fieldType) => OPTION_SORTABLE_TYPES.includes(fieldType);
-
-/**
- * Adds system status fields to the fields array if they are enabled
- * @param {Array} properties - All property objects
- * @param {Array} fields - Array to add fields to
- */
-const addSystemStatusFields = (properties, fields) => {
-  const propertyList = Object.values(properties);
-
-  [FIELD_TYPES.STATUS, FIELD_TYPES.STATUS_ASSIGNEE, FIELD_TYPES.CATEGORY].forEach(type => {
-    const field = propertyList.find(f => f.type === type);
-    if (field && field.enabled) {
-      fields.push(field);
-    }
-  });
-};
-
-/**
- * Processes fields in a regular row layout
- * @param {Array} rowFields - Fields in the row
- * @param {Object} properties - Property mapping
- * @param {Array} fields - Array to add processed fields to
- * @param {Array} spacers - Array to add spacer elements to
- */
-const processRowFields = (rowFields, properties, fields, spacers) => {
-  for (const field of rowFields) {
-    if ([LAYOUT_TYPES.LABEL, LAYOUT_TYPES.HR].includes(field.type)) continue;
-
-    if (field.type === LAYOUT_TYPES.SPACER) {
-      spacers.push(field);
-      continue;
-    }
-
-    const fieldProperty = properties[field.code];
-    if ([FIELD_TYPES.SUBTABLE, FIELD_TYPES.GROUP].includes(fieldProperty.type)) continue;
-
-    const fieldToAdd = shouldSortOptions(fieldProperty.type)
-      ? { ...fieldProperty, sortedOptions: sortFieldOptions(fieldProperty) }
-      : fieldProperty;
-
-    fields.push(fieldToAdd);
-  }
-};
-
-/**
- * Processes subtable fields
- * @param {Object} layout - Subtable layout object
- * @param {Object} properties - Property mapping
- * @param {Array} fields - Array to add processed fields to
- */
-const processSubtableFields = (layout, properties, fields) => {
-  const tableCode = layout.code;
-  const tableField = properties[tableCode];
-
-  if (tableField.type !== FIELD_TYPES.SUBTABLE) return;
-
-  const tableFields = {};
-
-  layout.fields.forEach(({ code: fieldCode }) => {
-    const subField = tableField.fields[fieldCode];
-    const processedField = shouldSortOptions(subField.type)
-      ? { ...subField, table: tableCode, sortedOptions: sortFieldOptions(subField) }
-      : { ...subField, table: tableCode };
-
-    tableFields[fieldCode] = processedField;
-    fields.push(processedField);
-  });
-
-  fields.push({ ...tableField, fields: tableFields });
-};
-
-/**
- * Processes group fields
- * @param {Object} layout - Group layout object
- * @param {Object} properties - Property mapping
- * @param {Array} fields - Array to add processed fields to
- * @param {Array} spacers - Array to add spacer elements to
- */
-const processGroupFields = (layout, properties, fields, spacers) => {
-  const groupCode = layout.code;
-  const groupField = properties[groupCode];
-
-  if (groupField.type !== FIELD_TYPES.GROUP) return;
-
-  const groupFields = {};
-
-  layout.layout.forEach(row => {
-    row.fields.forEach(field => {
-      if ([LAYOUT_TYPES.LABEL, LAYOUT_TYPES.HR].includes(field.type)) return;
-
-      if (field.type === LAYOUT_TYPES.SPACER) {
-        spacers.push({ ...field, group: groupCode });
-        return;
-      }
-
-      const groupSubField = properties[field.code];
-
-      if (EXCLUDED_GROUP_TYPES.includes(groupSubField.type)) return;
-
-      const processedField = shouldSortOptions(groupSubField.type)
-        ? { ...groupSubField, group: groupCode, sortedOptions: sortFieldOptions(groupSubField) }
-        : { ...groupSubField, group: groupCode };
-
-      groupFields[field.code] = processedField;
-      fields.push(processedField);
-    });
-  });
-
-  fields.push({ ...groupField, fields: groupFields });
-};
-
-/**
- * Marks lookup copy fields in the fields array
- * @param {Array} fields - Array of fields to process
- */
-const markLookupCopies = (fields) => {
-  const lookupCopyTypes = [
-    FIELD_TYPES.SINGLE_LINE_TEXT, FIELD_TYPES.NUMBER, FIELD_TYPES.MULTI_LINE_TEXT,
-    FIELD_TYPES.RICH_TEXT, FIELD_TYPES.LINK, FIELD_TYPES.CHECK_BOX,
-    FIELD_TYPES.RADIO_BUTTON, FIELD_TYPES.DROP_DOWN, FIELD_TYPES.MULTI_SELECT,
-    FIELD_TYPES.DATE, FIELD_TYPES.TIME, FIELD_TYPES.DATETIME,
-    FIELD_TYPES.USER_SELECT, FIELD_TYPES.ORGANIZATION_SELECT,
-    FIELD_TYPES.GROUP_SELECT, FIELD_TYPES.CALC, FIELD_TYPES.RECORD_NUMBER
-  ];
-
-  fields.forEach(field => {
-    if (field.lookup && Array.isArray(field.lookup.fieldMappings)) {
-      field.lookup.fieldMappings.forEach(mapping => {
-        const targetField = fields.find(f =>
-          lookupCopyTypes.includes(f.type) && f.code === mapping.field
-        );
-        if (targetField) {
-          targetField.isLookupCopy = true;
-        }
-      });
-    }
-  });
-};
-
-/**
- * Adds system fields that aren't already in the fields array
- * @param {Array} properties - Property objects
- * @param {Array} fields - Array to add fields to
- */
-const addSystemFields = (properties, fields) => {
-  const propertyList = Object.values(properties);
-  const systemFieldTypes = [
-    FIELD_TYPES.RECORD_NUMBER,
-    FIELD_TYPES.CREATOR,
-    FIELD_TYPES.CREATED_TIME,
-    FIELD_TYPES.MODIFIER,
-    FIELD_TYPES.UPDATED_TIME
-  ];
-
-  systemFieldTypes.forEach(type => {
-    const field = propertyList.find(f => f.type === type);
-    if (field && !fields.some(f => f.type === type)) {
-      fields.push(field);
-    }
-  });
-};
-
-export const kintonePrettyFields = {
-  /**
-   * Generates processed field and spacer arrays from form properties and layout
-   * @param {Object} properties - Field properties object
-   * @param {Array} layouts - Layout definitions
-   * @returns {Object} Object containing fields and spacers arrays
-   */
-  generateFields: (properties, layouts) => {
-    const fields = [];
-    const spacers = [];
-
-    // Add system status fields first
-    addSystemStatusFields(properties, fields);
-
-    // Process each layout item
-    layouts.forEach(layout => {
-      switch (layout.type) {
-        case LAYOUT_TYPES.ROW:
-          processRowFields(layout.fields, properties, fields, spacers);
-          break;
-        case LAYOUT_TYPES.SUBTABLE:
-          processSubtableFields(layout, properties, fields);
-          break;
-        case LAYOUT_TYPES.GROUP:
-          processGroupFields(layout, properties, fields, spacers);
-          break;
-      }
-    });
-
-    // Mark lookup copy fields
-    markLookupCopies(fields);
-
-    // Add any missing system fields
-    addSystemFields(properties, fields);
-
-    return { fields, spacers };
-  },
-  isCategory: field => field.type === "CATEGORY",
-  isCheckBox: field => field.type === "CHECK_BOX",
-  isCreatedTime: field => field.type === "CREATED_TIME",
-  isCreator: field => field.type === "CREATOR",
-  isDate: field => field.type === "DATE",
-  isDatetime: field => field.type === "DATETIME",
-  isDropDown: field => field.type === "DROP_DOWN",
-  isFile: field => field.type === "FILE",
-  isGroup: field => field.type === "GROUP",
-  isGroupSelect: field => field.type === "GROUP_SELECT",
-  isInGroup: field => 'group' in field,
-  isInSubtable: field => 'table' in field,
-  isLink: field => field.type === "LINK",
-  isLookup: field => 'lookup' in field,
-  isLookupCopy: field => field.isLookupCopy === true,
-  isModifier: field => field.type === "MODIFIER",
-  isMultiLineText: field => field.type === "MULTI_LINE_TEXT",
-  isMultiSelect: field => field.type === "MULTI_SELECT",
-  isNotInSubtable: field => !('table' in field),
-  isNumber: field => field.type === "NUMBER",
-  isOrganizationSelect: field => field.type === "ORGANIZATION_SELECT",
-  isRadioButton: field => field.type === "RADIO_BUTTON",
-  isRecordNumber: field => field.type === "RECORD_NUMBER",
-  isReferenceTable: field => field.type === "REFERENCE_TABLE",
-  isRichText: field => field.type === "RICH_TEXT",
-  isSingleLineText: field => field.type === "SINGLE_LINE_TEXT",
-  isStatus: field => field.type === "STATUS",
-  isStatusAssignee: field => field.type === "STATUS_ASSIGNEE",
-  isSubtable: field => field.type === "SUBTABLE",
-  isTime: field => field.type === "TIME",
-  isUpdatedTime: field => field.type === "UPDATED_TIME",
-  isUserSelect: field => field.type === "USER_SELECT",
-};
diff --git a/main.js b/main.js
index 3b9a363..49d5b98 100644
--- a/main.js
+++ b/main.js
@@ -1,192 +1,22 @@
-import { kintonePrettyFields } from './fields.js';
-import { getGuestSpaceId, createFieldWithLabels, createFieldLabels, getColumnWidths } from './dom.js';
-import { KintoneRestAPIClient } from '@kintone/rest-api-client';
-import { COLORS } from './constants.js';
-
 /**
- * Fetches form data from Kintone API
- * @param {number} appId - The application ID
- * @param {string} language - User language setting
- * @returns {Promise<Object>} Form fields and layout data
+ * Kintone Helper Extension 主入口点模块
+ * 协调所有功能模块以增强 Kintone 系统体验
  */
-const fetchFormData = async (appId, language) => {
-  const client = new KintoneRestAPIClient({
-    guestSpaceId: getGuestSpaceId(),
-  });
 
-  const isPreview = false;
-
-  try {
-    const [formFieldsResult, layoutResult] = await Promise.all([
-      client.app.getFormFields({
-        app: appId,
-        lang: language,
-        preview: isPreview,
-      }),
-      client.app.getFormLayout({
-        app: appId,
-        preview: isPreview,
-      }),
-    ]);
-
-    return {
-      formFields: formFieldsResult.properties,
-      layout: layoutResult.layout,
-    };
-  } catch (error) {
-    console.error('Failed to fetch form data:', error);
-    throw new Error('Could not retrieve form configuration');
-  }
-};
+import { addFieldLabel } from './features/add-field-label/main.js';
 
 /**
- * Adds label to a subtable field element
- * @param {Object} field - Field configuration
- * @param {HTMLElement} fieldElement - The field DOM element
- */
-const addSubtableLabel = (field, fieldElement) => {
-  // Add field code label above the table
-  fieldElement.before(
-    createFieldWithLabels({
-      code: field.code,
-      type: field.type,
-    })
-  );
-
-  // Add column labels below the table
-  const fieldNames = Object.keys(field.fields);
-  const columnWidths = getColumnWidths(fieldElement, field.type);
-  fieldElement.after(
-    createFieldLabels(fieldNames, columnWidths, field.type)
-  );
-};
-
-/**
- * Adds label to a reference table field element
- * @param {Object} field - Field configuration
- * @param {HTMLElement} fieldElement - The field DOM element
- */
-const addReferenceTableLabel = (field, fieldElement) => {
-  // Add field code label above the reference table
-  fieldElement.before(
-    createFieldWithLabels({
-      code: field.code,
-      type: field.type,
-    })
-  );
-
-  // Add display field labels if available
-  if (field.referenceTable?.displayFields) {
-    const displayFields = field.referenceTable.displayFields;
-    const columnWidths = getColumnWidths(fieldElement, field.type);
-    fieldElement.appendChild(
-      createFieldLabels(displayFields, columnWidths, field.type)
-    );
-  }
-};
-
-/**
- * Adds label to a group field element
- * @param {Object} field - Field configuration
- * @param {HTMLElement} fieldElement - The field DOM element
- */
-const addGroupLabel = (field, fieldElement) => {
-  fieldElement.parentElement?.before(
-    createFieldWithLabels({
-      code: field.code,
-      type: field.type,
-    })
-  );
-};
-
-/**
- * Adds label to a standard field element
- * @param {Object} field - Field configuration
- * @param {HTMLElement} fieldElement - The field DOM element
- */
-const addStandardFieldLabel = (field, fieldElement) => {
-  fieldElement.before(
-    createFieldWithLabels({
-      code: field.code,
-      type: field.type,
-    })
-  );
-};
-
-/**
- * Processes and adds labels to all field elements on the page
- * @param {Array} fieldsWithLabels - Processed field objects with label info
- */
-const processFieldLabels = (fieldsWithLabels) => {
-  for (const field of fieldsWithLabels) {
-    const fieldElement = kintone.app.record.getFieldElement(field.code);
-    if (!fieldElement) continue;
-
-    // Handle different field types with appropriate label placement
-    if (kintonePrettyFields.isSubtable(field)) {
-      addSubtableLabel(field, fieldElement);
-    } else if (kintonePrettyFields.isReferenceTable(field)) {
-      addReferenceTableLabel(field, fieldElement);
-    } else if (kintonePrettyFields.isGroup(field)) {
-      addGroupLabel(field, fieldElement);
-    } else {
-      addStandardFieldLabel(field, fieldElement);
-    }
-  }
-};
-
-/**
- * Processes and adds labels to spacer elements on the page
- * @param {Array} spacerElements - Spacer element configurations
- */
-const processSpacerLabels = (spacerElements) => {
-  for (const spacer of spacerElements) {
-    const spacerElement = kintone.app.record.getSpaceElement(spacer.elementId);
-    if (!spacerElement) continue;
-
-    // Add label and blue border to spacer elements
-    spacerElement.appendChild(
-      createFieldWithLabels({
-        code: spacer.elementId,
-      })
-    );
-    spacerElement.style.border = COLORS.SPACER_BORDER;
-  }
-};
-
-/**
- * Main function to enhance Kintone forms with labels and visual helpers
+ * 运行主要的 Kintone Helper 函数
  * @returns {Promise<void>}
  */
 export const runKintoneHelper = async () => {
   try {
-    // Early return if not in a valid app context
-    const appId = kintone.app.getId();
-    if (!appId) {
-      console.log('Not in a valid Kintone app context');
-      return;
-    }
-
-    // Fetch necessary form configuration
-    const language = kintone.getLoginUser().language;
-    const { formFields, layout } = await fetchFormData(appId, language);
-
-    // Process fields and generate label data
-    const { fields: fieldsWithLabels, spacers: spacerElements } =
-      kintonePrettyFields.generateFields(formFields, layout);
-
-    // Apply labels to field elements
-    processFieldLabels(fieldsWithLabels);
-
-    // Apply visual indicators to spacer elements
-    processSpacerLabels(spacerElements);
-
-    console.log('Kintone helper labels applied successfully');
+    await addFieldLabel();
   } catch (error) {
-    console.error('Failed to run Kintone helper:', error);
-    // Could implement user-friendly error notification here
+    console.error('Kintone Helper execution failed:', error);
+    throw error;
   }
 };
 
-// Execute helper function immediately when the script is injected
+// 目前立即执行
 runKintoneHelper();
diff --git a/package-lock.json b/package-lock.json
index 1f2fe8e..9c80e97 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -13,6 +13,8 @@
       },
       "devDependencies": {
         "@vitejs/plugin-legacy": "^6.1.1",
+        "cross-env": "^10.1.0",
+        "onchange": "^7.1.0",
         "vite": "^6.3.6",
         "vite-plugin-web-extension": "^4.4.5"
       }
@@ -1541,6 +1543,20 @@
         "node": ">=6.9.0"
       }
     },
+    "node_modules/@blakeembrey/deque": {
+      "version": "1.0.5",
+      "resolved": "https://registry.npmmirror.com/@blakeembrey/deque/-/deque-1.0.5.tgz",
+      "integrity": "sha512-6xnwtvp9DY1EINIKdTfvfeAtCYw4OqBZJhtiqkT3ivjnEfa25VQ3TsKvaFfKm8MyGIEfE95qLe+bNEt3nB0Ylg==",
+      "dev": true,
+      "license": "Apache-2.0"
+    },
+    "node_modules/@blakeembrey/template": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmmirror.com/@blakeembrey/template/-/template-1.2.0.tgz",
+      "integrity": "sha512-w/63nURdkRPpg3AXbNr7lPv6HgOuVDyefTumiXsbXxtIwcuk5EXayWR5OpSwDjsQPgaYsfUSedMduaNOjAYY8A==",
+      "dev": true,
+      "license": "Apache-2.0"
+    },
     "node_modules/@devicefarmer/adbkit": {
       "version": "3.3.8",
       "resolved": "https://registry.npmmirror.com/@devicefarmer/adbkit/-/adbkit-3.3.8.tgz",
@@ -1611,6 +1627,13 @@
         }
       }
     },
+    "node_modules/@epic-web/invariant": {
+      "version": "1.0.0",
+      "resolved": "https://registry.npmmirror.com/@epic-web/invariant/-/invariant-1.0.0.tgz",
+      "integrity": "sha512-lrTPqgvfFQtR/eY/qkIzp98OGdNJu0m5ji3q/nJI8v3SXkRKEnWiOxMmbvcSoAIzv/cGiuvRy57k4suKQSAdwA==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/@esbuild/aix-ppc64": {
       "version": "0.25.10",
       "resolved": "https://registry.npmmirror.com/@esbuild/aix-ppc64/-/aix-ppc64-0.25.10.tgz",
@@ -2658,6 +2681,40 @@
         "url": "https://github.com/chalk/ansi-styles?sponsor=1"
       }
     },
+    "node_modules/anymatch": {
+      "version": "3.1.3",
+      "resolved": "https://registry.npmmirror.com/anymatch/-/anymatch-3.1.3.tgz",
+      "integrity": "sha512-KMReFUr0B4t+D+OBkjR3KYqvocp2XaSzO55UcB6mgQMd3KbcE+mWTyvVV7D/zsdEbNnV6acZUutkiHQXvTr1Rw==",
+      "dev": true,
+      "license": "ISC",
+      "dependencies": {
+        "normalize-path": "^3.0.0",
+        "picomatch": "^2.0.4"
+      },
+      "engines": {
+        "node": ">= 8"
+      }
+    },
+    "node_modules/anymatch/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmmirror.com/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
+    "node_modules/arg": {
+      "version": "4.1.3",
+      "resolved": "https://registry.npmmirror.com/arg/-/arg-4.1.3.tgz",
+      "integrity": "sha512-58S9QDqG0Xx27YwPSt9fJxivjYl432YCwfDMfZ+71RAqUrZef7LrKQZ3LHLOwCS4FLNBplP533Zx895SeOCHvA==",
+      "dev": true,
+      "license": "MIT"
+    },
     "node_modules/array-differ": {
       "version": "4.0.0",
       "resolved": "https://registry.npmmirror.com/array-differ/-/array-differ-4.0.0.tgz",
@@ -2794,6 +2851,19 @@
         "baseline-browser-mapping": "dist/cli.js"
       }
     },
+    "node_modules/binary-extensions": {
+      "version": "2.3.0",
+      "resolved": "https://registry.npmmirror.com/binary-extensions/-/binary-extensions-2.3.0.tgz",
+      "integrity": "sha512-Ceh+7ox5qe7LJuLHoY0feh3pHuUDHAcRUeyL2VYghZwfpkNIy/+8Ocg0a3UuSoYzavmylwuLWQOf3hl0jjMMIw==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=8"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/sindresorhus"
+      }
+    },
     "node_modules/bluebird": {
       "version": "3.7.2",
       "resolved": "https://registry.npmmirror.com/bluebird/-/bluebird-3.7.2.tgz",
@@ -2855,6 +2925,19 @@
         "concat-map": "0.0.1"
       }
     },
+    "node_modules/braces": {
+      "version": "3.0.3",
+      "resolved": "https://registry.npmmirror.com/braces/-/braces-3.0.3.tgz",
+      "integrity": "sha512-yQbXgO/OSZVD2IsiLlro+7Hf6Q18EJrKSEsdoMzKePKXct3gvD8oLcOQdIzGupr5Fj+EDe8gO/lxc1BzfMpxvA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "fill-range": "^7.1.1"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/browserslist": {
       "version": "4.26.3",
       "resolved": "https://registry.npmmirror.com/browserslist/-/browserslist-4.26.3.tgz",
@@ -3001,6 +3084,31 @@
         "node": "*"
       }
     },
+    "node_modules/chokidar": {
+      "version": "3.6.0",
+      "resolved": "https://registry.npmmirror.com/chokidar/-/chokidar-3.6.0.tgz",
+      "integrity": "sha512-7VT13fmjotKpGipCW9JEQAusEPE+Ei8nl6/g4FBAmIm0GOOLMua9NDDo/DWp0ZAxCr3cPq5ZpBqmPAQgDda2Pw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "anymatch": "~3.1.2",
+        "braces": "~3.0.2",
+        "glob-parent": "~5.1.2",
+        "is-binary-path": "~2.1.0",
+        "is-glob": "~4.0.1",
+        "normalize-path": "~3.0.0",
+        "readdirp": "~3.6.0"
+      },
+      "engines": {
+        "node": ">= 8.10.0"
+      },
+      "funding": {
+        "url": "https://paulmillr.com/funding/"
+      },
+      "optionalDependencies": {
+        "fsevents": "~2.3.2"
+      }
+    },
     "node_modules/chrome-launcher": {
       "version": "1.2.0",
       "resolved": "https://registry.npmmirror.com/chrome-launcher/-/chrome-launcher-1.2.0.tgz",
@@ -3152,6 +3260,62 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/cross-env": {
+      "version": "10.1.0",
+      "resolved": "https://registry.npmmirror.com/cross-env/-/cross-env-10.1.0.tgz",
+      "integrity": "sha512-GsYosgnACZTADcmEyJctkJIoqAhHjttw7RsFrVoJNXbsWWqaq6Ym+7kZjq6mS45O0jij6vtiReppKQEtqWy6Dw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@epic-web/invariant": "^1.0.0",
+        "cross-spawn": "^7.0.6"
+      },
+      "bin": {
+        "cross-env": "dist/bin/cross-env.js",
+        "cross-env-shell": "dist/bin/cross-env-shell.js"
+      },
+      "engines": {
+        "node": ">=20"
+      }
+    },
+    "node_modules/cross-spawn": {
+      "version": "7.0.6",
+      "resolved": "https://registry.npmmirror.com/cross-spawn/-/cross-spawn-7.0.6.tgz",
+      "integrity": "sha512-uV2QOWP2nWzsy2aMp8aRibhi9dlzF5Hgh5SHaB9OiTGEyDTiJJyx0uy51QXdyWbtAHNua4XJzUKca3OzKUd3vA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "path-key": "^3.1.0",
+        "shebang-command": "^2.0.0",
+        "which": "^2.0.1"
+      },
+      "engines": {
+        "node": ">= 8"
+      }
+    },
+    "node_modules/cross-spawn/node_modules/isexe": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmmirror.com/isexe/-/isexe-2.0.0.tgz",
+      "integrity": "sha512-RHxMLp9lnKHGHRng9QFhRCMbYAcVpn69smSGcq3f36xjgVVWThj4qqLbTLlq7Ssj8B+fIQ1EuCEGI2lKsyQeIw==",
+      "dev": true,
+      "license": "ISC"
+    },
+    "node_modules/cross-spawn/node_modules/which": {
+      "version": "2.0.2",
+      "resolved": "https://registry.npmmirror.com/which/-/which-2.0.2.tgz",
+      "integrity": "sha512-BLI3Tl1TW3Pvl70l3yq3Y64i+awpwXqsGBYWkkqMtnbXgrMD+yj7rhW0kuEDxzJaYXGjEW5ogapKNMEKNMjibA==",
+      "dev": true,
+      "license": "ISC",
+      "dependencies": {
+        "isexe": "^2.0.0"
+      },
+      "bin": {
+        "node-which": "bin/node-which"
+      },
+      "engines": {
+        "node": ">= 8"
+      }
+    },
     "node_modules/crypt": {
       "version": "0.0.2",
       "resolved": "https://registry.npmmirror.com/crypt/-/crypt-0.0.2.tgz",
@@ -3574,6 +3738,19 @@
         }
       }
     },
+    "node_modules/fill-range": {
+      "version": "7.1.1",
+      "resolved": "https://registry.npmmirror.com/fill-range/-/fill-range-7.1.1.tgz",
+      "integrity": "sha512-YsGpe3WHLK8ZYi4tWDg2Jy3ebRz2rXowDxnld4bkQB00cc/1Zw9AWnC0i9ztDJitivtQvaI9KaLyKrc+hBW0yg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "to-regex-range": "^5.0.1"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/firefox-profile": {
       "version": "4.7.0",
       "resolved": "https://registry.npmmirror.com/firefox-profile/-/firefox-profile-4.7.0.tgz",
@@ -3775,6 +3952,19 @@
         "node": ">= 0.4"
       }
     },
+    "node_modules/glob-parent": {
+      "version": "5.1.2",
+      "resolved": "https://registry.npmmirror.com/glob-parent/-/glob-parent-5.1.2.tgz",
+      "integrity": "sha512-AOIgSQCepiJYwP3ARnGx+5VnTu2HBYdzbGP45eLw1vr3zB3vZLeyed1sC9hnbcOc9/SrMyM5RPQrkGz4aS9Zow==",
+      "dev": true,
+      "license": "ISC",
+      "dependencies": {
+        "is-glob": "^4.0.1"
+      },
+      "engines": {
+        "node": ">= 6"
+      }
+    },
     "node_modules/glob-to-regexp": {
       "version": "0.4.1",
       "resolved": "https://registry.npmmirror.com/glob-to-regexp/-/glob-to-regexp-0.4.1.tgz",
@@ -3907,6 +4097,16 @@
         "entities": "^4.4.0"
       }
     },
+    "node_modules/ignore": {
+      "version": "5.3.2",
+      "resolved": "https://registry.npmmirror.com/ignore/-/ignore-5.3.2.tgz",
+      "integrity": "sha512-hsBTNUqQTDwkWtcdYI2i06Y/nUBEsNEDJKjWdigLvegy8kDuJAS8uRlpkkcQpyEXL0Z/pjDy5HBmMjRCJ2gq+g==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">= 4"
+      }
+    },
     "node_modules/immediate": {
       "version": "3.0.6",
       "resolved": "https://registry.npmmirror.com/immediate/-/immediate-3.0.6.tgz",
@@ -3951,6 +4151,19 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/is-binary-path": {
+      "version": "2.1.0",
+      "resolved": "https://registry.npmmirror.com/is-binary-path/-/is-binary-path-2.1.0.tgz",
+      "integrity": "sha512-ZMERYes6pDydyuGidse7OsHxtbI7WVeUEozgR/g7rd0xUimYNlvZRE/K2MgZTjWy725IfelLeVcEM97mmtRGXw==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "binary-extensions": "^2.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/is-buffer": {
       "version": "1.1.6",
       "resolved": "https://registry.npmmirror.com/is-buffer/-/is-buffer-1.1.6.tgz",
@@ -3990,6 +4203,16 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/is-extglob": {
+      "version": "2.1.1",
+      "resolved": "https://registry.npmmirror.com/is-extglob/-/is-extglob-2.1.1.tgz",
+      "integrity": "sha512-SbKbANkN603Vi4jEZv49LeVJMn4yGwsbzZworEoyEiutsN3nJYdbO36zfhGJ6QEDpOZIFkDtnq5JRxmvl3jsoQ==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/is-fullwidth-code-point": {
       "version": "3.0.0",
       "resolved": "https://registry.npmmirror.com/is-fullwidth-code-point/-/is-fullwidth-code-point-3.0.0.tgz",
@@ -4000,6 +4223,19 @@
         "node": ">=8"
       }
     },
+    "node_modules/is-glob": {
+      "version": "4.0.3",
+      "resolved": "https://registry.npmmirror.com/is-glob/-/is-glob-4.0.3.tgz",
+      "integrity": "sha512-xelSayHH36ZgE7ZWhli7pW34hNbNl8Ojv5KVmkJD4hBdD3th8Tfk9vYasLM+mXWOZhFkgZfxhLSnrwRr4elSSg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "is-extglob": "^2.1.1"
+      },
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/is-in-ci": {
       "version": "1.0.0",
       "resolved": "https://registry.npmmirror.com/is-in-ci/-/is-in-ci-1.0.0.tgz",
@@ -4046,6 +4282,16 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/is-number": {
+      "version": "7.0.0",
+      "resolved": "https://registry.npmmirror.com/is-number/-/is-number-7.0.0.tgz",
+      "integrity": "sha512-41Cifkg6e8TylSpdtTpeLVMqvSBEVzTttHvERD741+pnZ8ANv0004MRL43QKPDlK9cGvNp6NZWZUBlbGXYxxng==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.12.0"
+      }
+    },
     "node_modules/is-path-inside": {
       "version": "4.0.0",
       "resolved": "https://registry.npmmirror.com/is-path-inside/-/is-path-inside-4.0.0.tgz",
@@ -4542,6 +4788,16 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/normalize-path": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmmirror.com/normalize-path/-/normalize-path-3.0.0.tgz",
+      "integrity": "sha512-6eZs5Ls3WtCisHWp9S2GUy8dqkpGi4BVSz3GaqiE6ezub0512ESztXUwUB6C6IKbQkY2Pnb/mD4WYojCRwcwLA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/nth-check": {
       "version": "2.1.1",
       "resolved": "https://registry.npmmirror.com/nth-check/-/nth-check-2.1.1.tgz",
@@ -4577,6 +4833,25 @@
         "node": ">=14.0.0"
       }
     },
+    "node_modules/onchange": {
+      "version": "7.1.0",
+      "resolved": "https://registry.npmmirror.com/onchange/-/onchange-7.1.0.tgz",
+      "integrity": "sha512-ZJcqsPiWUAUpvmnJri5TPBooqJOPmC0ttN65juhN15Q8xA+Nbg3BaxBHXQ45EistKKlKElb0edmbPWnKSBkvMg==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "@blakeembrey/deque": "^1.0.5",
+        "@blakeembrey/template": "^1.0.0",
+        "arg": "^4.1.3",
+        "chokidar": "^3.3.1",
+        "cross-spawn": "^7.0.1",
+        "ignore": "^5.1.4",
+        "tree-kill": "^1.2.2"
+      },
+      "bin": {
+        "onchange": "dist/bin.js"
+      }
+    },
     "node_modules/os-shim": {
       "version": "0.1.3",
       "resolved": "https://registry.npmmirror.com/os-shim/-/os-shim-0.1.3.tgz",
@@ -4645,6 +4920,16 @@
         "url": "https://github.com/sponsors/sindresorhus"
       }
     },
+    "node_modules/path-key": {
+      "version": "3.1.1",
+      "resolved": "https://registry.npmmirror.com/path-key/-/path-key-3.1.1.tgz",
+      "integrity": "sha512-ojmeN0qd+y0jszEtoY48r0Peq5dwMEkIlCOu6Q5f41lfkswXuKtYrhgoTpLnyIcHm24Uhqx+5Tqm2InSwLhE6Q==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/path-parse": {
       "version": "1.0.7",
       "resolved": "https://registry.npmmirror.com/path-parse/-/path-parse-1.0.7.tgz",
@@ -4878,6 +5163,32 @@
         "util-deprecate": "~1.0.1"
       }
     },
+    "node_modules/readdirp": {
+      "version": "3.6.0",
+      "resolved": "https://registry.npmmirror.com/readdirp/-/readdirp-3.6.0.tgz",
+      "integrity": "sha512-hOS089on8RduqdbhvQ5Z37A0ESjsqz6qnRcffsMU3495FuTdqSm+7bhJ29JvIOsBDEEnan5DPu9t3To9VRlMzA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "picomatch": "^2.2.1"
+      },
+      "engines": {
+        "node": ">=8.10.0"
+      }
+    },
+    "node_modules/readdirp/node_modules/picomatch": {
+      "version": "2.3.1",
+      "resolved": "https://registry.npmmirror.com/picomatch/-/picomatch-2.3.1.tgz",
+      "integrity": "sha512-JU3teHTNjmE2VCGFzuY8EXzCDVwEqB2a8fsIvwaStHhAWJEeVd1o1QD80CU6+ZdEXXSLbSsuLwJjkCBWqRQUVA==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=8.6"
+      },
+      "funding": {
+        "url": "https://github.com/sponsors/jonschlinkert"
+      }
+    },
     "node_modules/real-require": {
       "version": "0.2.0",
       "resolved": "https://registry.npmmirror.com/real-require/-/real-require-0.2.0.tgz",
@@ -5115,6 +5426,29 @@
       "dev": true,
       "license": "MIT"
     },
+    "node_modules/shebang-command": {
+      "version": "2.0.0",
+      "resolved": "https://registry.npmmirror.com/shebang-command/-/shebang-command-2.0.0.tgz",
+      "integrity": "sha512-kHxr2zZpYtdmrN1qDjrrX/Z1rR1kG8Dx+gkpK1G4eXmvXswmcE1hTWBWYUzlraYw1/yZp6YuDY77YtvbN0dmDA==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "shebang-regex": "^3.0.0"
+      },
+      "engines": {
+        "node": ">=8"
+      }
+    },
+    "node_modules/shebang-regex": {
+      "version": "3.0.0",
+      "resolved": "https://registry.npmmirror.com/shebang-regex/-/shebang-regex-3.0.0.tgz",
+      "integrity": "sha512-7++dFhtcx3353uBaq8DDR4NuxBetBzC7ZQOhmTQInHEd6bSrXdiEyzCvG07Z44UYdLShWUyXt5M/yhz8ekcb1A==",
+      "dev": true,
+      "license": "MIT",
+      "engines": {
+        "node": ">=8"
+      }
+    },
     "node_modules/shell-quote": {
       "version": "1.7.3",
       "resolved": "https://registry.npmmirror.com/shell-quote/-/shell-quote-1.7.3.tgz",
@@ -5437,6 +5771,29 @@
         "node": ">=14.14"
       }
     },
+    "node_modules/to-regex-range": {
+      "version": "5.0.1",
+      "resolved": "https://registry.npmmirror.com/to-regex-range/-/to-regex-range-5.0.1.tgz",
+      "integrity": "sha512-65P7iz6X5yEr1cwcgvQxbbIw7Uk3gOy5dIdtZ4rDveLqhrdJP+Li/Hx6tyK0NEb+2GCyneCMJiGqrADCSNk8sQ==",
+      "dev": true,
+      "license": "MIT",
+      "dependencies": {
+        "is-number": "^7.0.0"
+      },
+      "engines": {
+        "node": ">=8.0"
+      }
+    },
+    "node_modules/tree-kill": {
+      "version": "1.2.2",
+      "resolved": "https://registry.npmmirror.com/tree-kill/-/tree-kill-1.2.2.tgz",
+      "integrity": "sha512-L0Orpi8qGpRG//Nd+H90vFB+3iHnue1zSSGmNOOCh1GLJ7rUKVwV2HvijphGQS2UmhUZewS9VgvxYIdgr+fG1A==",
+      "dev": true,
+      "license": "MIT",
+      "bin": {
+        "tree-kill": "cli.js"
+      }
+    },
     "node_modules/type-fest": {
       "version": "3.13.1",
       "resolved": "https://registry.npmmirror.com/type-fest/-/type-fest-3.13.1.tgz",
diff --git a/package.json b/package.json
index f73f94a..69d3050 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,8 @@
   "main": "main.js",
   "scripts": {
     "build": "vite build",
+    "build:dev": "cross-env NODE_ENV=development vite build --mode development",
+    "watch:build": "onchange \"features/**/*.js\" \"utils/**/*.js\" \"page/**/*.js\" \"main.js\" \"background.js\" -- npm run build:dev",
     "dev": "vite dev",
     "test": "echo \"Error: no test specified\" && exit 1"
   },
@@ -14,6 +16,8 @@
   "description": "",
   "devDependencies": {
     "@vitejs/plugin-legacy": "^6.1.1",
+    "cross-env": "^10.1.0",
+    "onchange": "^7.1.0",
     "vite": "^6.3.6",
     "vite-plugin-web-extension": "^4.4.5"
   },
diff --git a/page/admin/form/admin-field-label-processor.js b/page/admin/form/admin-field-label-processor.js
new file mode 100644
index 0000000..aa9d015
--- /dev/null
+++ b/page/admin/form/admin-field-label-processor.js
@@ -0,0 +1,81 @@
+/**
+ * 管理表单页面字段标签处理器模块
+ * 负责处理 admin 表单页面上的字段和间距标签
+ */
+
+/**
+ * 用于处理 admin 表单页面上字段和间距标签的字段标签处理器类
+ */
+export class AdminFieldLabelProcessor {
+  /**
+   * 构造函数
+   * @param {Object} options - 配置选项
+   * @param {number} options.appId - App ID
+   * @param {string} options.pageType - 页面类型上下文（例如，'admin'）
+   */
+  constructor(options = {}) {
+    this.appId = options.appId;
+    this.pageType = options.pageType;
+    console.log(`AdminFieldLabelProcessor initialized with appId: ${this.appId}, pageType: ${this.pageType}`);
+  }
+
+  /**
+   * 返回是否为预览模式
+   * @returns {boolean} 是否预览
+   */
+  isPreview() {
+    return true;
+  }
+
+  /**
+   * 为子表字段元素添加标签
+   * @param {Object} field - 字段配置信息
+   * @param {HTMLElement} fieldElement - 字段 DOM 元素
+   */
+  addSubtableLabel(field, fieldElement) {
+    console.log(`AdminFieldLabelProcessor.addSubtableLabel called with field: ${field.code}, fieldElement exists: ${!!fieldElement}`);
+  }
+
+  /**
+   * 为引用表字段元素添加标签
+   * @param {Object} field - 字段配置信息
+   * @param {HTMLElement} fieldElement - 字段 DOM 元素
+   */
+  addReferenceTableLabel(field, fieldElement) {
+    console.log(`AdminFieldLabelProcessor.addReferenceTableLabel called with field: ${field.code}, fieldElement exists: ${!!fieldElement}`);
+  }
+
+  /**
+   * 为组字段元素添加标签
+   * @param {Object} field - 字段配置信息
+   * @param {HTMLElement} fieldElement - 字段 DOM 元素
+   */
+  addGroupLabel(field, fieldElement) {
+    console.log(`AdminFieldLabelProcessor.addGroupLabel called with field: ${field.code}, fieldElement exists: ${!!fieldElement}`);
+  }
+
+  /**
+   * 为标准字段元素添加标签
+   * @param {Object} field - 字段配置信息
+   * @param {HTMLElement} fieldElement - 字段 DOM 元素
+   */
+  addStandardFieldLabel(field, fieldElement) {
+    console.log(`AdminFieldLabelProcessor.addStandardFieldLabel called with field: ${field.code}, fieldElement exists: ${!!fieldElement}`);
+  }
+
+  /**
+   * 处理并为页面上的所有字段元素添加标签
+   * @param {Array} fieldsWithLabels - 已处理的字段对象数组
+   */
+  processFieldLabels(fieldsWithLabels) {
+    console.log(`AdminFieldLabelProcessor.processFieldLabels called with ${fieldsWithLabels.length} fields`);
+  }
+
+  /**
+   * 处理并为页面上的间距元素添加标签
+   * @param {Array} spacerElements - 间距元素配置数组
+   */
+  processSpacerLabels(spacerElements) {
+    console.log(`AdminFieldLabelProcessor.processSpacerLabels called with ${spacerElements.length} spacer elements`);
+  }
+}
diff --git a/page/detail/dom.js b/page/detail/dom.js
new file mode 100644
index 0000000..814233d
--- /dev/null
+++ b/page/detail/dom.js
@@ -0,0 +1,99 @@
+/**
+ * DOM 字段标签操作工具模块
+ * 提供用于创建和管理字段标签 DOM 元素的辅助函数
+ */
+
+import { FIELD_TYPES } from '../../utils/constants.js';
+import { COLORS, SPACING, IS_FIELD_TYPE_DISPLAY } from '../../features/add-field-label/settings.js';
+
+/**
+ * 创建带有适当样式的字段标签 span 元素
+ * @param {Object} params - 标签参数配置
+ * @param {string} params.code - 字段代码
+ * @param {string} params.type - 字段类型（可选）
+ * @param {number} params.width - 字段宽度（可选）
+ * @returns {HTMLElement} 带有样式化 span 的容器 div 元素
+ */
+const createFieldSpanElement = ({ code, type, width }) => {
+  const container = document.createElement('div');
+
+  // 处理宽度和边距设置
+  if (width !== undefined) {
+    container.style.width = `${Number(width) - SPACING.TABLE_COLUMN_PADDING}px`; // 减去列填充
+    container.style.marginLeft = `${SPACING.TABLE_COLUMN_PADDING}px`; // 添加左边距
+  } else {
+    container.style.width = '100%'; // 默认全宽度
+  }
+
+  // 创建和样式化 span 元素
+  const fieldSpan = document.createElement('span');
+  fieldSpan.textContent = (IS_FIELD_TYPE_DISPLAY && type !== undefined) ? `${code} (${type})` : code; // 显示代码和类型
+  fieldSpan.style.display = 'inline-block';
+  fieldSpan.style.width = '100%';
+  fieldSpan.style.color = COLORS.LABEL_TEXT;  // 使用定义的工具提示文本颜色
+  fieldSpan.style.overflowWrap = 'anywhere';   // 支持长文本换行
+  fieldSpan.style.whiteSpace = 'pre-wrap';      // 保留空格和换行
+
+  // GROUP 类型字段的特殊样式
+  if (type === FIELD_TYPES.GROUP) {
+    fieldSpan.style.marginLeft = SPACING.GROUP_MARGIN_LEFT;
+  }
+
+  container.appendChild(fieldSpan);
+  return container;
+};
+
+/**
+ * 创建字段标签容器元素
+ * @param {Object} params - 标签参数配置
+ * @param {string} params.code - 字段代码
+ * @param {string} params.type - 字段类型（可选）
+ * @param {number} params.width - 容器宽度（可选）
+ * @returns {HTMLElement} 标签容器元素
+ */
+export const createFieldWithLabels = ({ code, type, width }) => {
+  const container = document.createElement('div');
+  container.style.display = 'inline-block'; // 布局的内联块显示
+
+  const fieldSpan = createFieldSpanElement({ code, type, width });
+  container.appendChild(fieldSpan);
+
+  return container;
+};
+
+/**
+ * 创建包含多个字段标签的容器
+ * @param {Array<string>} fieldNames - 要为其创建标签的字段名称数组
+ * @param {Array<number>} widths - 与字段名称对应的宽度
+ * @param {string} fieldType - 字段类型（影响间距）
+ * @returns {HTMLElement} 带有所有标签的 span 容器元素
+ */
+export const createFieldLabels = (fieldNames, widths, fieldType, specialSpacing = false) => {
+  const container = document.createElement('span');
+
+  // 为引用表字段添加特殊间距
+  if (fieldType === FIELD_TYPES.REFERENCE_TABLE && specialSpacing) {
+    const spacerElement = document.createElement('span');
+    spacerElement.style.width = SPACING.REFERENCE_TABLE_SPACER;
+    spacerElement.style.display = 'inline-block';
+    container.appendChild(spacerElement);
+  }
+
+  // 为每个字段创建标签，调整宽度
+  const labelElements = fieldNames.map((fieldName, index) => {
+    // 稍稍减少最后一个元素的宽度以适应布局
+    const adjustedWidth = index === fieldNames.length - 1
+      ? widths[index] - 1
+      : widths[index];
+
+    return createFieldWithLabels({
+      code: fieldName,
+      width: adjustedWidth,
+    });
+  });
+
+  // 将所有标签元素添加到容器中
+  labelElements.forEach(labelElement => container.appendChild(labelElement));
+
+  return container;
+};
diff --git a/page/detail/field-label-processor.js b/page/detail/field-label-processor.js
new file mode 100644
index 0000000..9e7da3e
--- /dev/null
+++ b/page/detail/field-label-processor.js
@@ -0,0 +1,241 @@
+/**
+ * 详情页面字段标签处理器模块
+ * 负责处理不同页面上的字段和间距标签
+ */
+
+import {
+  getColumnWidths,
+  safelyInsertLabel,
+  safelyAppendLabel
+} from '../../utils/dom-utils.js';
+import {
+  createFieldWithLabels,
+  createFieldLabels
+} from './dom.js';
+import { FieldTypeChecker } from '../../utils/field-utils.js';
+import { COLORS } from '../../features/add-field-label/settings.js';
+import { LAYOUT_TYPES } from '../../utils/constants.js';
+
+/**
+ * 用于处理不同页面上字段和间距标签的字段标签处理器类
+ */
+export class FieldLabelProcessor {
+  /**
+   * 构造函数
+   * @param {Object} options - 配置选项
+   * @param {number} options.appId - App ID
+   * @param {string} options.pageType - 页面类型上下文（例如，'detail'，'edit'）
+   */
+  constructor(options = {}) {
+    this.appId = options.appId;
+    this.pageType = options.pageType;
+  }
+
+  /**
+   * 返回是否为预览模式
+   * @returns {boolean} 是否预览
+   */
+  isPreview() {
+    return false;
+  }
+
+  /**
+   * 为子表字段元素添加标签
+   * @param {Object} field - 字段配置信息
+   * @param {HTMLElement} fieldElement - 字段 DOM 元素
+   */
+  addSubtableLabel(field, fieldElement) {
+    try {
+      // 在表上方添加字段代码标签
+      const tableCodeLabel = createFieldWithLabels({
+        code: field.code,
+        type: field.type,
+      });
+      tableCodeLabel.style.display = 'block';
+      safelyInsertLabel(fieldElement, tableCodeLabel);
+      // 添加列标签
+      const fieldNames = Object.keys(field.fields);
+      const columnWidths = getColumnWidths(fieldElement, field.type);
+      const columnLabels = createFieldLabels(fieldNames, columnWidths, field.type);
+
+      safelyInsertLabel(fieldElement, columnLabels);
+
+    } catch (error) {
+      console.error(`Failed to add label for subtable field ${field.code}:`, error);
+    }
+  }
+
+  /**
+   * 为引用表字段元素添加标签
+   * @param {Object} field - 字段配置信息
+   * @param {HTMLElement} fieldElement - 字段 DOM 元素
+   */
+  addReferenceTableLabel(field, fieldElement) {
+    try {
+      // 在引用表上方添加字段代码标签
+      const tableCodeLabel = createFieldWithLabels({
+        code: field.code,
+        type: field.type,
+      });
+      tableCodeLabel.style.display = 'block';
+
+      safelyInsertLabel(fieldElement, tableCodeLabel);
+
+      // 如果可用，添加显示字段标签
+      if (field.referenceTable?.displayFields) {
+        const displayFields = field.referenceTable.displayFields;
+        const columnWidths = getColumnWidths(fieldElement, field.type);
+        const dataExist = !!fieldElement.querySelector('tbody > tr');
+        const displayLabels = createFieldLabels(displayFields, columnWidths, field.type, dataExist);
+
+        safelyInsertLabel(fieldElement, displayLabels);
+      }
+
+    } catch (error) {
+      console.error(`Failed to add label for reference table field ${field.code}:`, error);
+    }
+  }
+
+  /**
+   * 为组字段元素添加标签
+   * @param {Object} field - 字段配置信息
+   * @param {HTMLElement} fieldElement - 字段 DOM 元素
+   */
+  addGroupLabel(field, fieldElement) {
+    try {
+      // 在组的父元素之前添加标签
+      const parentElement = fieldElement.parentElement;
+      if (parentElement) {
+        const groupLabel = createFieldWithLabels({
+          code: field.code,
+          type: field.type,
+        });
+
+        safelyInsertLabel(parentElement, groupLabel);
+      } else {
+        console.warn(`Parent element for group field ${field.code} does not exist`);
+      }
+
+    } catch (error) {
+      console.error(`Failed to add label for group field ${field.code}:`, error);
+    }
+  }
+
+  /**
+   * 为标准字段元素添加标签
+   * @param {Object} field - 字段配置信息
+   * @param {HTMLElement} fieldElement - 字段 DOM 元素
+   */
+  addStandardFieldLabel(field, fieldElement) {
+    try {
+      const fieldLabel = createFieldWithLabels({
+        code: field.code,
+        type: field.type,
+      });
+
+      safelyInsertLabel(fieldElement, fieldLabel);
+
+    } catch (error) {
+      console.error(`Failed to add label for standard field ${field.code}:`, error);
+    }
+  }
+
+  /**
+   * 处理并为页面上的所有字段元素添加标签
+   * @param {Array} fieldsWithLabels - 已处理的字段对象数组
+   */
+  processFieldLabels(fieldsWithLabels) {
+    try {
+      // 统计处理结果
+      let processedCount = 0;
+      let skippedCount = 0;
+
+      for (const field of fieldsWithLabels) {
+        try {
+          // 获取字段元素
+          const fieldElement = kintone.app.record.getFieldElement(field.code);
+
+          if (!fieldElement) {
+            skippedCount++;
+            continue;
+          }
+
+          // 根据字段类型选择合适的标签添加方法
+          if (FieldTypeChecker.isSubtable(field)) {
+            this.addSubtableLabel(field, fieldElement);
+          } else if (FieldTypeChecker.isReferenceTable(field)) {
+            this.addReferenceTableLabel(field, fieldElement);
+          } else if (FieldTypeChecker.isGroup(field)) {
+            this.addGroupLabel(field, fieldElement);
+          } else {
+            this.addStandardFieldLabel(field, fieldElement);
+          }
+
+          processedCount++;
+
+        } catch (fieldError) {
+          console.error(`Error occurred while processing label for field ${field.code}:`, fieldError);
+          skippedCount++;
+        }
+      }
+
+      console.log(`Field label processing completed: ${processedCount} successful, ${skippedCount} skipped`);
+
+    } catch (error) {
+      console.error('Error occurred while processing field labels:', error);
+      throw error;
+    }
+  }
+
+  /**
+   * 处理并为页面上的间距元素添加标签
+   * @param {Array} spacerElements - 间距元素配置数组
+   */
+  processSpacerLabels(spacerElements) {
+    try {
+      // 统计处理结果
+      let processedCount = 0;
+      let skippedCount = 0;
+
+      for (const spacer of spacerElements) {
+        try {
+          // 获取间距元素
+          const spacerElement = kintone.app.record.getSpaceElement(spacer.elementId);
+
+          if (!spacerElement) {
+            skippedCount++;
+            continue;
+          }
+          // 添加标签并设置边框
+          const spacerLabel = createFieldWithLabels({
+            code: spacer.elementId,
+            type: spacer.type,
+          });
+
+          safelyAppendLabel(spacerElement, spacerLabel);
+
+          // 添加红色虚线边框
+          spacerElement.style.border = COLORS.SPACER_BORDER;
+
+          processedCount++;
+
+        } catch (spacerError) {
+          console.error(`Error occurred while processing label for spacer element ${spacer.elementId}:`, spacerError);
+          skippedCount++;
+        }
+      }
+
+      document.querySelectorAll('.spacer-cybozu:not([id])').forEach(spacerElement => {
+        spacerElement.style.border = COLORS.SPACER_BORDER;
+        safelyAppendLabel(spacerElement, createFieldWithLabels({
+          code: '',
+          type: LAYOUT_TYPES.SPACER,
+        }));
+      });
+
+    } catch (error) {
+      console.error('Error occurred while processing spacer element labels:', error);
+      throw error;
+    }
+  }
+}
diff --git a/utils/constants.js b/utils/constants.js
new file mode 100644
index 0000000..bdbe7db
--- /dev/null
+++ b/utils/constants.js
@@ -0,0 +1,107 @@
+// 字段类型常量定义
+export const FIELD_TYPES = {
+  SINGLE_LINE_TEXT: 'SINGLE_LINE_TEXT',
+  NUMBER: 'NUMBER',
+  MULTI_LINE_TEXT: 'MULTI_LINE_TEXT',
+  RICH_TEXT: 'RICH_TEXT',
+  LINK: 'LINK',
+  CHECK_BOX: 'CHECK_BOX',
+  RADIO_BUTTON: 'RADIO_BUTTON',
+  DROP_DOWN: 'DROP_DOWN',
+  MULTI_SELECT: 'MULTI_SELECT',
+  DATE: 'DATE',
+  TIME: 'TIME',
+  DATETIME: 'DATETIME',
+  USER_SELECT: 'USER_SELECT',
+  ORGANIZATION_SELECT: 'ORGANIZATION_SELECT',
+  GROUP_SELECT: 'GROUP_SELECT',
+  CALC: 'CALC',
+  RECORD_NUMBER: 'RECORD_NUMBER',
+  CREATOR: 'CREATOR',
+  CREATED_TIME: 'CREATED_TIME',
+  MODIFIER: 'MODIFIER',
+  UPDATED_TIME: 'UPDATED_TIME',
+  STATUS: 'STATUS',
+  STATUS_ASSIGNEE: 'STATUS_ASSIGNEE',
+  CATEGORY: 'CATEGORY',
+  FILE: 'FILE',
+  SUBTABLE: 'SUBTABLE',
+  GROUP: 'GROUP',
+  REFERENCE_TABLE: 'REFERENCE_TABLE',
+};
+
+// 布局类型常量定义
+export const LAYOUT_TYPES = {
+  ROW: 'ROW',
+  SUBTABLE: 'SUBTABLE',
+  GROUP: 'GROUP',
+  LABEL: 'LABEL',
+  HR: 'HR',
+  SPACER: 'SPACER',
+};
+
+// 支持选项排序的字段类型列表
+export const OPTION_SORTABLE_TYPES = [
+  FIELD_TYPES.CHECK_BOX,
+  FIELD_TYPES.DROP_DOWN,
+  FIELD_TYPES.MULTI_SELECT,
+  FIELD_TYPES.RADIO_BUTTON,
+];
+
+// 分组布局中排除的字段类型列表
+export const EXCLUDED_GROUP_TYPES = [
+  FIELD_TYPES.CATEGORY,
+  FIELD_TYPES.STATUS,
+  FIELD_TYPES.STATUS_ASSIGNEE,
+  FIELD_TYPES.SUBTABLE,
+  FIELD_TYPES.GROUP,
+];
+
+// 系统字段类型列表（自动添加到所有表单中）
+export const SYSTEM_FIELD_TYPES = [
+  FIELD_TYPES.RECORD_NUMBER,
+  FIELD_TYPES.CREATOR,
+  FIELD_TYPES.CREATED_TIME,
+  FIELD_TYPES.MODIFIER,
+  FIELD_TYPES.UPDATED_TIME,
+];
+
+// 系统状态字段类型列表
+export const SYSTEM_STATUS_FIELD_TYPES = [
+  FIELD_TYPES.STATUS,
+  FIELD_TYPES.STATUS_ASSIGNEE,
+  FIELD_TYPES.CATEGORY,
+];
+
+// 支持查找复制的字段类型列表
+export const LOOKUP_COPY_SUPPORTED_TYPES = [
+  FIELD_TYPES.SINGLE_LINE_TEXT,
+  FIELD_TYPES.NUMBER,
+  FIELD_TYPES.MULTI_LINE_TEXT,
+  FIELD_TYPES.RICH_TEXT,
+  FIELD_TYPES.LINK,
+  FIELD_TYPES.CHECK_BOX,
+  FIELD_TYPES.RADIO_BUTTON,
+  FIELD_TYPES.DROP_DOWN,
+  FIELD_TYPES.MULTI_SELECT,
+  FIELD_TYPES.DATE,
+  FIELD_TYPES.TIME,
+  FIELD_TYPES.DATETIME,
+  FIELD_TYPES.USER_SELECT,
+  FIELD_TYPES.ORGANIZATION_SELECT,
+  FIELD_TYPES.GROUP_SELECT,
+  FIELD_TYPES.CALC,
+  FIELD_TYPES.RECORD_NUMBER,
+];
+
+// 页面类型常量定义
+export const PAGE_TYPES = {
+  DETAIL: 'detail',
+  EDIT: 'edit',
+  CREATE: 'create',
+  ADMIN: 'admin',
+};
+
+export const SCRIPT_FILES = [
+  'main.js' // 立即执行
+];
diff --git a/utils/dom-utils.js b/utils/dom-utils.js
new file mode 100644
index 0000000..10d6e7a
--- /dev/null
+++ b/utils/dom-utils.js
@@ -0,0 +1,70 @@
+/**
+ * DOM 操作工具模块
+ * 提供用于创建和管理 DOM 元素的辅助函数
+ */
+
+import { FIELD_TYPES } from './constants.js';
+
+/**
+ * 从表元素中提取列宽度信息
+ * @param {HTMLElement} tableElement - 要分析的表元素
+ * @param {string} fieldType - 字段类型（影响返回的宽度数组）
+ * @returns {Array<number>} 表列宽度的数组
+ */
+export const getColumnWidths = (tableElement, fieldType) => {
+  // 获取所有标题元素并提取它们的客户端宽度
+  const headerElements = Array.from(tableElement.querySelectorAll('th'));
+  const columnWidths = headerElements.map(header => header.clientWidth);
+
+  // 对于子表返回所有宽度，其他表跳过第一列（通常是操作列）
+  return fieldType === FIELD_TYPES.SUBTABLE
+    ? columnWidths        // 子表保留所有列
+    : columnWidths.slice(1); // 其他表跳过第一列
+};
+
+/**
+ * 安全地将标签元素插入到指定目标元素之前
+ * @param {HTMLElement} targetElement - 要插入之前的目标元素
+ * @param {HTMLElement} labelElement - 要插入的标签元素
+ * @returns {boolean} 插入是否成功
+ */
+export const safelyInsertLabel = (targetElement, labelElement) => {
+  try {
+    if (!targetElement || !labelElement) {
+      console.warn('Failed to insert label: target element or label element does not exist');
+      return false;
+    }
+
+    if (!targetElement.before) {
+      console.warn('Failed to insert label: target element does not support before method');
+      return false;
+    }
+
+    targetElement.before(labelElement);
+    return true;
+  } catch (error) {
+    console.error('Error inserting label: ', error);
+    return false;
+  }
+};
+
+/**
+ * 安全地将标签元素追加到指定目标元素
+ * @param {HTMLElement} targetElement - 要追加到的目标元素
+ * @param {HTMLElement} labelElement - 要追加的标签元素
+ * @returns {boolean} 追加是否成功
+ */
+export const safelyAppendLabel = (targetElement, labelElement) => {
+  try {
+    if (!targetElement || !labelElement) {
+      console.warn('Failed to append label: target element or label element does not exist');
+      return false;
+    }
+
+    targetElement.appendChild(labelElement);
+    return true;
+  } catch (error) {
+    console.error('Error appending label: ', error);
+    return false;
+  }
+};
diff --git a/utils/field-utils.js b/utils/field-utils.js
new file mode 100644
index 0000000..d35406f
--- /dev/null
+++ b/utils/field-utils.js
@@ -0,0 +1,85 @@
+/**
+ * 字段处理工具函数模块
+ * 提供字段类型判断、选项排序、系统字段处理等工具函数
+ */
+
+import {
+  FIELD_TYPES,
+  OPTION_SORTABLE_TYPES,
+  LOOKUP_COPY_SUPPORTED_TYPES
+} from './constants.js';
+
+/**
+ * 排序字段选项，根据索引值进行升序排序
+ * @param {Object} field - 字段对象
+ * @returns {Array} 按索引排序后的选项标签数组
+ */
+export const sortFieldOptions = (field) => {
+  if (!field.options) return [];
+  return Object.values(field.options)
+    .sort((a, b) => Number(a.index) - Number(b.index))
+    .map(option => option.label);
+};
+
+/**
+ * 检查字段类型是否支持选项排序
+ * @param {string} fieldType - 字段类型
+ * @returns {boolean} 是否支持选项排序
+ */
+export const shouldSortOptions = (fieldType) => OPTION_SORTABLE_TYPES.includes(fieldType);
+
+/**
+ * 标记查找复制字段
+ * @param {Array} fields - 要处理的字段数组
+ */
+export const markLookupCopies = (fields) => {
+  fields.forEach(field => {
+    // 检查字段是否有查找设置
+    if (field.lookup?.fieldMappings) {
+      field.lookup.fieldMappings.forEach(mapping => {
+        // 在字段数组中找到对应的目标字段并标记为查找复制
+        const targetField = fields.find(f =>
+          LOOKUP_COPY_SUPPORTED_TYPES.includes(f.type) && f.code === mapping.field
+        );
+        if (targetField) {
+          targetField.isLookupCopy = true;
+        }
+      });
+    }
+  });
+};
+
+export const FieldTypeChecker = {
+  isCategory: field => field.type === FIELD_TYPES.CATEGORY,
+  isCheckBox: field => field.type === FIELD_TYPES.CHECK_BOX,
+  isCreatedTime: field => field.type === FIELD_TYPES.CREATED_TIME,
+  isCreator: field => field.type === FIELD_TYPES.CREATOR,
+  isDate: field => field.type === FIELD_TYPES.DATE,
+  isDatetime: field => field.type === FIELD_TYPES.DATETIME,
+  isDropDown: field => field.type === FIELD_TYPES.DROP_DOWN,
+  isFile: field => field.type === FIELD_TYPES.FILE,
+  isGroup: field => field.type === FIELD_TYPES.GROUP,
+  isGroupSelect: field => field.type === FIELD_TYPES.GROUP_SELECT,
+  isInGroup: field => 'group' in field,
+  isInSubtable: field => 'table' in field,
+  isLink: field => field.type === FIELD_TYPES.LINK,
+  isLookup: field => 'lookup' in field,
+  isLookupCopy: field => field.isLookupCopy === true,
+  isModifier: field => field.type === FIELD_TYPES.MODIFIER,
+  isMultiLineText: field => field.type === FIELD_TYPES.MULTI_LINE_TEXT,
+  isMultiSelect: field => field.type === FIELD_TYPES.MULTI_SELECT,
+  isNotInSubtable: field => !('table' in field),
+  isNumber: field => field.type === FIELD_TYPES.NUMBER,
+  isOrganizationSelect: field => field.type === FIELD_TYPES.ORGANIZATION_SELECT,
+  isRadioButton: field => field.type === FIELD_TYPES.RADIO_BUTTON,
+  isRecordNumber: field => field.type === FIELD_TYPES.RECORD_NUMBER,
+  isReferenceTable: field => field.type === FIELD_TYPES.REFERENCE_TABLE,
+  isRichText: field => field.type === FIELD_TYPES.RICH_TEXT,
+  isSingleLineText: field => field.type === FIELD_TYPES.SINGLE_LINE_TEXT,
+  isStatus: field => field.type === FIELD_TYPES.STATUS,
+  isStatusAssignee: field => field.type === FIELD_TYPES.STATUS_ASSIGNEE,
+  isSubtable: field => field.type === FIELD_TYPES.SUBTABLE,
+  isTime: field => field.type === FIELD_TYPES.TIME,
+  isUpdatedTime: field => field.type === FIELD_TYPES.UPDATED_TIME,
+  isUserSelect: field => field.type === FIELD_TYPES.USER_SELECT,
+};
diff --git a/utils/kintone-utils.js b/utils/kintone-utils.js
new file mode 100644
index 0000000..a04e473
--- /dev/null
+++ b/utils/kintone-utils.js
@@ -0,0 +1,100 @@
+/**
+ * Kintone API 工具模块
+ * 提供与 Kintone 应用程序交互的通用工具函数
+ */
+
+/**
+ * 从当前 URL 中提取 Guest Space ID
+ * @returns {string|undefined} Guest Space ID，如果未找到则为 undefined
+ */
+export const getGuestSpaceId = () => {
+  try {
+    const match = window.location.pathname.match(/\/guest\/([0-9]+)\//);
+    return match ? match[1] : undefined;
+  } catch (error) {
+    console.warn(error);
+    return undefined;
+  }
+};
+
+const getAppIdFromUrl = () => {
+  try {
+    const match = window.location.search.match(/\?app=([0-9]+)/);
+    return match ? Number(match[1]) : undefined;
+  } catch (error) {
+    console.warn(error);
+    return undefined;
+  }
+};
+
+/**
+ * 从 Kintone 获取当前 APP ID
+ * @returns {number|null} APP ID，如果没有为 null
+ */
+export const getAppId = () => {
+  try {
+    if (isInAdminPage()) {
+      return getAppIdFromUrl() || null;
+    }
+
+    if (!isGlobalKintoneExist()) {
+      return null;
+    }
+
+    const appId = kintone.app.getId();
+    if (!appId || isNaN(appId)) {
+      console.warn('Retrieved app ID is invalid:', appId);
+      return null;
+    }
+
+    return appId;
+  } catch (error) {
+    console.warn('Failed to get app ID: ', error);
+    return null;
+  }
+};
+
+
+export const isGlobalKintoneExist = () => {
+  return typeof kintone !== 'undefined' && typeof kintone.app !== 'undefined';
+};
+
+/**
+ * 是否在 Kintone App 中
+ * @returns {boolean} 是否在 App 中
+ */
+export const isInAppPage = () => {
+  return isGlobalKintoneExist() && /^\/k\/\d+/.test(window.location.pathname);
+};
+
+/**
+ * 是否在 Kintone App Detail 中
+ * @returns {boolean} 是否在 App 中
+ */
+export const isInDetailPage = () => {
+  return isGlobalKintoneExist() && /^\/k\/\d+\/show/.test(window.location.pathname);
+};
+
+/**
+ * 是否在 Kintone App 的 /admin 页面
+ * @returns {boolean} 是否在 App /admin 页面
+ */
+export const isInAdminPage = () => {
+  return !isGlobalKintoneExist() && window.location.pathname.includes('/k/admin');
+};
+
+/**
+ * 是否在 Kintone App 的 /admin Form 页面
+ * @returns {boolean} 是否在 App /admin Form 页面
+ */
+export const isInAdminFormPage = () => {
+  return isInAdminPage() && window.location.hash.includes('#section=form');
+};
+
+/**
+ * 是否在 Kintone 的 space 页面
+ * @returns {boolean} 是否在 space 页面
+ */
+export const isInSpacePage = () => {
+  return isGlobalKintoneExist() && window.location.pathname.includes('/k/#/space');
+};
diff --git a/vite.config.js b/vite.config.js
index 3c49b63..0e9e80c 100644
--- a/vite.config.js
+++ b/vite.config.js
@@ -1,14 +1,32 @@
 import { defineConfig } from 'vite';
 import webExtension from 'vite-plugin-web-extension';
+import { SCRIPT_FILES } from './utils/constants.js';
+
+const isDev = process.env.NODE_ENV === 'development';
 
 export default defineConfig({
   plugins: [
     webExtension({
-      additionalInputs: ['main.js', 'fields.js', 'dom.js'],
+      // 这个项目中所有需要注入的脚本都需要在这里指定，因为它们不会自动被插件检测到
+      // manifest.json 没有指定 content_scripts，所有脚本都通过编程注入
+      additionalInputs: SCRIPT_FILES,
     }),
   ],
   build: {
-    outDir: 'dist',
-    sourcemap: true,
+    outDir: 'dist',               // 输出目录
+    // Chrome扩展不支持source maps，直接禁用以减小包体积
+    sourcemap: false,
+    // 开发模式禁用压缩便于调试，生产模式启用压缩优化体积
+    minify: !isDev,
+    cssMinify: !isDev,
+    rollupOptions: !isDev ? undefined : {
+      output: {
+        // 开发模式下不压缩文件名，便于调试
+        chunkFileNames: '[name].js',
+        entryFileNames: '[name].js',
+        assetFileNames: '[name].[ext]',
+        compact: false,        // 禁用代码压缩
+      },
+    },
   },
 });