diff --git a/src/components/DataView.js b/src/components/DataView.js
index 85a0c7a..28e0dcc 100644
--- a/src/components/DataView.js
+++ b/src/components/DataView.js
@@ -1,6 +1,6 @@
 import React, { useState, useEffect, useRef } from 'react';
-import { Table, Input, Spin } from 'antd';
-import { SearchOutlined } from '@ant-design/icons';
+import { Table, Input, Spin, Dropdown, Checkbox, Button, Space } from 'antd';
+import { SearchOutlined, SettingOutlined } from '@ant-design/icons';
 
 const DataView = ({ 
   projects, 
@@ -18,6 +18,288 @@ const DataView = ({
   // 当前显示的数据
   const displayedData = projects.slice(0, displayCount);
   
+  // 所有可能的列定义
+  const allColumns = [
+    {
+      title: '单位',
+      dataIndex: 'unit',
+      key: 'unit',
+      width: 120,
+      ellipsis: true,
+    },
+    {
+      title: '项目编号',
+      dataIndex: 'project_number',
+      key: 'project_number',
+      width: 120,
+      ellipsis: true,
+    },
+    {
+      title: '安全编码',
+      dataIndex: 'safety_code',
+      key: 'safety_code',
+      width: 120,
+      ellipsis: true,
+    },
+    {
+      title: '大项工程名称',
+      dataIndex: 'major_project_name',
+      key: 'major_project_name',
+      width: 150,
+      ellipsis: true,
+    },
+    {
+      title: '单项工程名称',
+      dataIndex: 'sub_project_name',
+      key: 'sub_project_name',
+      width: 200,
+      ellipsis: true,
+    },
+    {
+      title: '在施工程作业范围',
+      dataIndex: 'construction_scope',
+      key: 'construction_scope',
+      width: 150,
+      ellipsis: true,
+    },
+    {
+      title: '工程规模',
+      dataIndex: 'project_scale',
+      key: 'project_scale',
+      width: 120,
+      ellipsis: true,
+    },
+    {
+      title: '安全总监',
+      dataIndex: 'safety_director',
+      key: 'safety_director',
+      width: 120,
+      ellipsis: true,
+    },
+    {
+      title: '建设单位',
+      dataIndex: 'construction_unit',
+      key: 'construction_unit',
+      width: 150,
+      ellipsis: true,
+    },
+    {
+      title: '监理单位',
+      dataIndex: 'supervision_unit',
+      key: 'supervision_unit',
+      width: 150,
+      ellipsis: true,
+    },
+    {
+      title: '施工单位',
+      dataIndex: 'construction_company',
+      key: 'construction_company',
+      width: 150,
+      ellipsis: true,
+    },
+    {
+      title: '工程位置',
+      dataIndex: 'project_location',
+      key: 'project_location',
+      width: 150,
+      ellipsis: true,
+    },
+    {
+      title: '实际开工时间',
+      dataIndex: 'actual_start_time',
+      key: 'actual_start_time',
+      width: 120,
+      ellipsis: true,
+    },
+    {
+      title: '计划竣工时间',
+      dataIndex: 'planned_completion_time',
+      key: 'planned_completion_time',
+      width: 120,
+      ellipsis: true,
+    },
+    {
+      title: '完成时间',
+      dataIndex: 'completion_time',
+      key: 'completion_time',
+      width: 120,
+      ellipsis: true,
+    },
+    {
+      title: '下次梳理时间',
+      dataIndex: 'next_review_time',
+      key: 'next_review_time',
+      width: 120,
+      ellipsis: true,
+    },
+    {
+      title: '参建人数',
+      dataIndex: 'participants_count',
+      key: 'participants_count',
+      width: 100,
+      ellipsis: true,
+    },
+    {
+      title: '新班组进场数量',
+      dataIndex: 'new_team_count',
+      key: 'new_team_count',
+      width: 120,
+      ellipsis: true,
+    },
+    {
+      title: '新人进场数量',
+      dataIndex: 'new_person_count',
+      key: 'new_person_count',
+      width: 120,
+      ellipsis: true,
+    },
+    {
+      title: '带班人信息',
+      dataIndex: 'leader_info',
+      key: 'leader_info',
+      width: 150,
+      ellipsis: true,
+    },
+    {
+      title: '下周作业计划',
+      dataIndex: 'next_week_plan',
+      key: 'next_week_plan',
+      width: 150,
+      ellipsis: true,
+      render: (text) => {
+        if (text && text.length > 15) {
+          return <span title={text}>{text.substring(0, 15)}...</span>;
+        }
+        return text;
+      },
+    },
+    {
+      title: '下周8+2工况内容',
+      dataIndex: 'next_week_condition',
+      key: 'next_week_condition',
+      width: 150,
+      ellipsis: true,
+      render: (text) => {
+        if (text && text.length > 15) {
+          return <span title={text}>{text.substring(0, 15)}...</span>;
+        }
+        return text;
+      },
+    },
+    {
+      title: '当前工程进度',
+      dataIndex: 'current_progress',
+      key: 'current_progress',
+      width: 120,
+      ellipsis: true,
+      render: (text) => {
+        // 如果进度文本过长，只显示前15个字符加省略号
+        if (text && text.length > 15) {
+          return <span title={text}>{text.substring(0, 15)}...</span>;
+        }
+        return text;
+      },
+    },
+    {
+      title: '当前工程状态',
+      dataIndex: 'current_status',
+      key: 'current_status',
+      width: 120,
+      ellipsis: true,
+    },
+    {
+      title: '工期是否紧张',
+      dataIndex: 'is_schedule_tight',
+      key: 'is_schedule_tight',
+      width: 120,
+      render: (value) => (value ? '是' : '否'),
+    },
+    {
+      title: '是否存在"账外事"',
+      dataIndex: 'has_off_book_matters',
+      key: 'has_off_book_matters',
+      width: 150,
+      render: (value) => (value ? '是' : '否'),
+    },
+    {
+      title: '当前风险等级',
+      dataIndex: 'current_risk_level',
+      key: 'current_risk_level',
+      width: 120,
+      render: (text) => {
+        let color = '';
+        if (text === '高风险') {
+          color = 'red';
+        } else if (text === '中风险') {
+          color = 'orange';
+        } else if (text === '低风险') {
+          color = 'green';
+        }
+        
+        return <span style={{ color }}>{text}</span>;
+      },
+    },
+    {
+      title: '风险判断理由',
+      dataIndex: 'risk_judgment_reason',
+      key: 'risk_judgment_reason',
+      width: 150,
+      ellipsis: true,
+      render: (text) => {
+        if (text && text.length > 15) {
+          return <span title={text}>{text.substring(0, 15)}...</span>;
+        }
+        return text;
+      },
+    },
+    {
+      title: '隐患提示/工作要求',
+      dataIndex: 'risk_tips',
+      key: 'risk_tips',
+      width: 150,
+      ellipsis: true,
+      render: (text) => {
+        if (text && text.length > 15) {
+          return <span title={text}>{text.substring(0, 15)}...</span>;
+        }
+        return text;
+      },
+    },
+    {
+      title: '备注',
+      dataIndex: 'remarks',
+      key: 'remarks',
+      width: 150,
+      ellipsis: true,
+      render: (text) => {
+        if (text && text.length > 15) {
+          return <span title={text}>{text.substring(0, 15)}...</span>;
+        }
+        return text;
+      },
+    },
+  ];
+  
+  // 默认显示的列（保持原来的8个列）
+  const defaultVisibleColumns = [
+    'unit',
+    'sub_project_name',
+    'construction_unit',
+    'current_progress',
+    'current_status',
+    'current_risk_level',
+    'is_schedule_tight',
+    'has_off_book_matters'
+  ];
+  
+  // 用于跟踪当前选择显示的列
+  const [visibleColumnKeys, setVisibleColumnKeys] = useState(defaultVisibleColumns);
+  
+  // 当前显示的列
+  const visibleColumns = allColumns.filter(col => 
+    visibleColumnKeys.includes(col.key)
+  );
+  
   // 监听滚动事件
   useEffect(() => {
     const handleScroll = (e) => {
@@ -49,83 +331,37 @@ const DataView = ({
     setDisplayCount(50);
   }, [projects]);
   
-  // 表格列定义
-  const columns = [
-    {
-      title: '单位',
-      dataIndex: 'unit',
-      key: 'unit',
-      width: 120,
-      ellipsis: true,
-    },
-    {
-      title: '单项工程名称',
-      dataIndex: 'sub_project_name',
-      key: 'sub_project_name',
-      width: 200,
-      ellipsis: true,
-    },
-    {
-      title: '建设单位',
-      dataIndex: 'construction_unit',
-      key: 'construction_unit',
-      width: 150,
-      ellipsis: true,
-    },
-    {
-      title: '当前工程进度',
-      dataIndex: 'current_progress',
-      key: 'current_progress',
-      width: 120,
-      ellipsis: true,
-      render: (text) => {
-        // 如果进度文本过长，只显示前15个字符加省略号
-        if (text && text.length > 15) {
-          return <span title={text}>{text.substring(0, 15)}...</span>;
-        }
-        return text;
-      },
-    },
-    {
-      title: '当前工程状态',
-      dataIndex: 'current_status',
-      key: 'current_status',
-      width: 120,
-      ellipsis: true,
-    },
-    {
-      title: '当前风险等级',
-      dataIndex: 'current_risk_level',
-      key: 'current_risk_level',
-      width: 120,
-      render: (text) => {
-        let color = '';
-        if (text === '高风险') {
-          color = 'red';
-        } else if (text === '中风险') {
-          color = 'orange';
-        } else if (text === '低风险') {
-          color = 'green';
-        }
-        
-        return <span style={{ color }}>{text}</span>;
-      },
-    },
-    {
-      title: '工期是否紧张',
-      dataIndex: 'is_schedule_tight',
-      key: 'is_schedule_tight',
-      width: 120,
-      render: (value) => (value ? '是' : '否'),
-    },
-    {
-      title: '是否存在"账外事"',
-      dataIndex: 'has_off_book_matters',
-      key: 'has_off_book_matters',
-      width: 150,
-      render: (value) => (value ? '是' : '否'),
-    },
-  ];
+  // 处理列选择变化
+  const handleColumnChange = (checkedValues) => {
+    setVisibleColumnKeys(checkedValues);
+  };
+  
+  // 列选择下拉菜单内容
+  const columnSelectionMenu = (
+    <div style={{ 
+      padding: '8px', 
+      backgroundColor: '#1f1f1f', 
+      border: '1px solid #303030', 
+      boxShadow: '0 2px 8px rgba(0, 0, 0, 0.3)',
+      color: '#ffffff'
+    }}>
+      <Checkbox.Group 
+        value={visibleColumnKeys} 
+        onChange={handleColumnChange}
+        style={{ display: 'flex', flexDirection: 'column' }}
+      >
+        {allColumns.map(column => (
+          <Checkbox 
+            key={column.key} 
+            value={column.key} 
+            style={{ margin: '4px 0', color: '#ffffff' }}
+          >
+            <span style={{ color: '#ffffff' }}>{column.title}</span>
+          </Checkbox>
+        ))}
+      </Checkbox.Group>
+    </div>
+  );
 
   // 处理搜索输入变化
   const handleSearchChange = (e) => {
@@ -134,15 +370,32 @@ const DataView = ({
 
   return (
     <div className="data-view">
-      {/* 搜索框 */}
-      <div style={{ padding: '10px', borderBottom: '1px solid var(--vscode-border)' }}>
+      {/* 搜索框和列选择 */}
+      <div style={{ 
+        padding: '10px', 
+        borderBottom: '1px solid var(--vscode-border)',
+        display: 'flex',
+        justifyContent: 'space-between',
+        alignItems: 'center'
+      }}>
         <Input
           placeholder="搜索单项工程名称"
           prefix={<SearchOutlined />}
           value={searchText}
           onChange={handleSearchChange}
-          style={{ width: '100%' }}
+          style={{ width: 'calc(100% - 50px)' }}
         />
+        <Dropdown 
+          overlay={columnSelectionMenu} 
+          trigger={['click']}
+          placement="bottomRight"
+        >
+          <Button 
+            type="text" 
+            icon={<SettingOutlined />} 
+            title="选择显示字段"
+          />
+        </Dropdown>
       </div>
       
       {/* 数据表格 */}
@@ -153,7 +406,7 @@ const DataView = ({
       ) : (
         <div ref={tableContainerRef}>
           <Table
-            columns={columns}
+            columns={visibleColumns}
             dataSource={displayedData}
             rowKey="id"
             rowSelection={{