diff --git a/eai_ap_app/backend-go/internal/api/batch_extract.go b/eai_ap_app/backend-go/internal/api/batch_extract.go
new file mode 100644
index 0000000..6ec83a4
--- /dev/null
+++ b/eai_ap_app/backend-go/internal/api/batch_extract.go
@@ -0,0 +1,169 @@
+package api
+
+import (
+	"encoding/json"
+	"strings"
+	"time"
+
+	"github.com/gin-gonic/gin"
+
+	"eaisalestrain/backend/internal/ai"
+	"eaisalestrain/backend/internal/middleware"
+	"eaisalestrain/backend/internal/model"
+	"eaisalestrain/backend/internal/store"
+	"eaisalestrain/backend/internal/web"
+)
+
+// BatchExtractRequest POST /api/batch/extract —— 批量字段提取请求
+type BatchExtractRequest struct {
+	Content     string            `json:"content"`     // 文档内容
+	Fields      []FieldSchema     `json:"fields"`      // 要提取的字段
+	FileCount   int               `json:"file_count"` // 文件数量（用于前端提示）
+}
+
+// FieldSchema 字段定义
+type FieldSchema struct {
+	Name     string `json:"name"`     // 字段名
+	Type     string `json:"type"`     // 类型：text/number/date/percent
+	Required bool   `json:"required"` // 是否必填
+}
+
+// BatchExtractResult 批量提取结果
+type BatchExtractResult struct {
+	Rows  []map[string]string `json:"rows"`
+	Total int               `json:"total"`
+	CreatedAt string          `json:"created_at"`
+}
+
+// ExtractBatch POST /api/batch/extract —— 批量字段提取
+func ExtractBatch(c *gin.Context) {
+	user := middleware.CurrentUser(c)
+	if user == nil {
+		web.Fail(c, web.NewAuthError("未登录"))
+		return
+	}
+	var req BatchExtractRequest
+	if err := c.ShouldBindJSON(&req); err != nil || req.Content == "" || len(req.Fields) == 0 {
+		web.Fail(c, web.NewBadRequest("content 和 fields 必填"))
+		return
+	}
+
+	result := runBatchExtract(req)
+	logBatchExtract(user.ID, req.Content, result)
+	web.OK(c, result)
+}
+
+// runBatchExtract 执行批量提取
+func runBatchExtract(req BatchExtractRequest) BatchExtractResult {
+	// 构建字段说明
+	fieldDesc := buildFieldDescription(req.Fields)
+
+	// 调用 AI 提取
+	content, err := ai.GenerateWithFallback(nil, []ai.Message{
+		{Role: "system", Content: "你是一个字段提取专家。请从用户输入的内容中提取以下字段信息，以JSON格式返回：\n" + fieldDesc},
+		{Role: "user", Content: req.Content},
+	})
+
+	if err != nil {
+		// 回退：简单关键字匹配
+		return fallbackExtract(req.Content, req.Fields)
+	}
+
+	// 尝试解析JSON
+	var rows []map[string]string
+	if err := json.Unmarshal([]byte(content), &rows); err != nil {
+		// 尝试修复JSON
+		content = fixJSON(content)
+		json.Unmarshal([]byte(content), &rows)
+	}
+
+	return BatchExtractResult{
+		Rows:      rows,
+		Total:     len(rows),
+		CreatedAt: time.Now().Format("2006-01-02 15:04:05"),
+	}
+}
+
+// buildFieldDescription 构建字段说明
+func buildFieldDescription(fields []FieldSchema) string {
+	var sb strings.Builder
+	for i, f := range fields {
+		sb.WriteString("- 字段")
+		sb.WriteString(string(rune('0'+i)))
+		sb.WriteString(": ")
+		sb.WriteString(f.Name)
+		sb.WriteString(" (类型: ")
+		sb.WriteString(f.Type)
+		sb.WriteString(")")
+		if f.Required {
+			sb.WriteString(" [必填]")
+		}
+		sb.WriteString("\n")
+	}
+	return sb.String()
+}
+
+// fallbackExtract 简单回退提取
+func fallbackExtract(content string, fields []FieldSchema) BatchExtractResult {
+	rows := make([]map[string]string, 0)
+	row := make(map[string]string)
+
+	for _, f := range fields {
+		// 简单匹配：提取包含字段名附近的文本
+		idx := strings.Index(content, f.Name)
+		if idx >= 0 {
+			// 提取字段名后的一定范围
+			end := idx + 10
+			if end > len(content) {
+				end = len(content)
+			}
+			row[f.Name] = strings.TrimSpace(content[idx:end])
+		} else {
+			row[f.Name] = ""
+		}
+	}
+
+	rows = append(rows, row)
+	return BatchExtractResult{
+		Rows:      rows,
+		Total:     len(rows),
+		CreatedAt: time.Now().Format("2006-01-02 15:04:05"),
+	}
+}
+
+// fixJSON 修复JSON字符串
+func fixJSON(s string) string {
+	s = strings.TrimSpace(s)
+	if strings.HasPrefix(s, "```json") {
+		s = strings.TrimPrefix(s, "```json")
+	}
+	if strings.HasSuffix(s, "```") {
+		s = strings.TrimSuffix(s, "```")
+	}
+	s = strings.TrimSpace(s)
+	return s
+}
+
+// logBatchExtract 记录批量提取日志
+func logBatchExtract(userID uint, content string, result BatchExtractResult) {
+	(json.Marshal(result))
+	store.DB.Create(&model.AiCallLog{UserID: userID, Capability: "batch_extract", Status: "success"})
+}
+
+// ExtractFromFiles 从文件中提取字段
+func ExtractFromFiles(c *gin.Context) {
+	user := middleware.CurrentUser(c)
+	if user == nil {
+		web.Fail(c, web.NewAuthError("未登录"))
+		return
+	}
+	var req BatchExtractRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		web.Fail(c, web.NewBadRequest("请求参数错误"))
+		return
+	}
+
+	result := runBatchExtract(req)
+	logBatchExtract(user.ID, req.Content, result)
+	web.OK(c, result)
+}
diff --git a/eai_ap_app/backend-go/internal/api/copy_proofreading.go b/eai_ap_app/backend-go/internal/api/copy_proofreading.go
new file mode 100644
index 0000000..c1abc58
--- /dev/null
+++ b/eai_ap_app/backend-go/internal/api/copy_proofreading.go
@@ -0,0 +1,286 @@
+package api
+
+import (
+	"encoding/json"
+	"strings"
+	"time"
+
+	"github.com/gin-gonic/gin"
+
+	"eaisalestrain/backend/internal/middleware"
+	"eaisalestrain/backend/internal/model"
+	"eaisalestrain/backend/internal/store"
+	"eaisalestrain/backend/internal/web"
+)
+
+// CopyProofreadingRequest POST /api/copy/proofread 文案校对请求
+type CopyProofreadingRequest struct {
+	Text     string `json:"text"`      // 待校对的文案
+	Mode     string `json:"mode"`      // 模式：basic(基础)/advanced(高级)/strict(严格)
+	CheckTypos bool `json:"check_typos"` // 检查错别字
+	CheckGrammar bool `json:"check_grammar"` // 检查语病
+	CheckStyle bool   `json:"check_style"`   // 检查风格
+	CheckNumbers bool `json:"check_numbers"` // 检查数据
+}
+
+// ProofreadingItem 校对结果项
+type ProofreadingItem struct {
+	Type       string `json:"type"`     // typo/grammar/style/number
+	Level      string `json:"level"`    // error/warning/info
+	Position   string `json:"position"` // 位置
+	BadText    string `json:"bad_text"` // 错误内容
+	GoodText   string `json:"good_text"` // 建议内容
+	Explanation string `json:"explanation"` // 说明
+}
+
+// CopyProofreadingResult 校对结果
+type CopyProofreadingResult struct {
+	Items        []ProofreadingItem `json:"items"`
+	TotalIssues  int               `json:"total_issues"`
+	ErrorCount   int               `json:"error_count"`
+	WarningCount int               `json:"warning_count"`
+	Score        int               `json:"score"` // 0-100 质量评分
+	CreatedAt    string            `json:"created_at"`
+}
+
+// ProofreadCopy POST /api/copy/proofread —— 文案校对
+func ProofreadCopy(c *gin.Context) {
+	user := middleware.CurrentUser(c)
+	if user == nil {
+		web.Fail(c, web.NewAuthError("未登录"))
+		return
+	}
+	var req CopyProofreadingRequest
+	if err := c.ShouldBindJSON(&req); err != nil || req.Text == "" {
+		web.Fail(c, web.NewBadRequest("text 必填"))
+		return
+	}
+	req.Mode = req.Mode
+	if req.Mode == "" {
+		req.Mode = "basic"
+	}
+
+	result := runProofreading(req)
+	logProofreading(user.ID, req.Text, result)
+	web.OK(c, result)
+}
+
+// runProofreading 执行文案校对
+func runProofreading(req CopyProofreadingRequest) CopyProofreadingResult {
+	items := make([]ProofreadingItem, 0)
+
+	// 基础模式：错别字检查
+	if req.CheckTypos || req.Mode == "basic" || req.Mode == "advanced" || req.Mode == "strict" {
+		typoItems := checkTypos(req.Text)
+		items = append(items, typoItems...)
+	}
+
+	// 高级模式：语病检查
+	if req.CheckGrammar || req.Mode == "advanced" || req.Mode == "strict" {
+		grammarItems := checkGrammar(req.Text)
+		items = append(items, grammarItems...)
+	}
+
+	// 高级模式：风格检查
+	if req.CheckStyle || req.Mode == "advanced" || req.Mode == "strict" {
+		styleItems := checkStyle(req.Text)
+		items = append(items, styleItems...)
+	}
+
+	// 严格模式：数据检查
+	if req.CheckNumbers || req.Mode == "strict" {
+		numItems := checkNumbers(req.Text)
+		items = append(items, numItems...)
+	}
+
+	// 计算评分
+	totalIssues := len(items)
+	errorCount := 0
+	warningCount := 0
+	for _, item := range items {
+		if item.Level == "error" {
+			errorCount++
+		} else if item.Level == "warning" {
+			warningCount++
+		}
+	}
+	score := 100 - errorCount*10 - warningCount*5
+	if score < 0 {
+		score = 0
+	}
+
+	return CopyProofreadingResult{
+		Items:        items,
+		TotalIssues:  totalIssues,
+		ErrorCount:   errorCount,
+		WarningCount: warningCount,
+		Score:        score,
+		CreatedAt:    time.Now().Format("2006-01-02 15:04:05"),
+	}
+}
+
+// checkTypos 错别字检查
+func checkTypos(text string) []ProofreadingItem {
+	// 常见错别字对
+	typoPairs := map[string]string{
+		"做用":    "作用",
+		"做为":    "作为",
+		"需改":    "修改",
+		"按排":    "安排",
+		"份内":    "份内",
+		"其它":    "其他",
+		"其它们":  "其他",
+		"帐号":    "账号",
+		"象限":    "向限",
+		"截止":    "截至",
+		"以致":    "以至",
+		"截至":    "截止",
+		"权利":    "权力",
+		"权力":    "权利",
+		"必须":    "必需",
+		"必需":    "必须",
+		"报筹":    "报复",
+		"报效":    "报效",
+		"布暑":    "布暑",
+		"不管":    "不管",
+		"不常":    "不常",
+		"不订":    "不定",
+	}
+
+	items := make([]ProofreadingItem, 0)
+	for bad, good := range typoPairs {
+		if strings.Contains(text, bad) {
+			idx := strings.Index(text, bad)
+			items = append(items, ProofreadingItem{
+				Type:        "typo",
+				Level:       "error",
+				Position:    "第" + string(rune(idx+1)) + "字附近",
+				BadText:     bad,
+				GoodText:    good,
+				Explanation: "发现错别字，建议修改",
+			})
+		}
+	}
+	return items
+}
+
+// checkGrammar 语病检查
+func checkGrammar(text string) []ProofreadingItem {
+	items := make([]ProofreadingItem, 0)
+
+	grammarRules := []struct {
+		pattern  string
+		problem  string
+		solution string
+	}{
+		{"和...的作用", "搭配不当", "修改为'...的作用'或'...的影响'"},
+		{"进行...分析", "句式冗杂", "修改为'分析...'"},
+		{"通过...使得", "缺少主语", "修改为'通过...，...使得'或'...使得'"},
+		{"大约...左右", "重复冗余", "删除'大约'或'左右'"},
+		{"防止...不再", "否定不当", "修改为'防止...'或'使...不再'"},
+		{"是否...的关键", "两面对一面", "修改为'是否...的关键'或'是...的关键'"},
+	}
+
+	for _, rule := range grammarRules {
+		if strings.Contains(text, rule.pattern) {
+			idx := strings.Index(text, rule.pattern)
+			items = append(items, ProofreadingItem{
+				Type:       "grammar",
+				Level:      "warning",
+				Position:   "第" + string(rune(idx+1)) + "字附近",
+				BadText:    rule.pattern,
+				GoodText:   rule.solution,
+				Explanation: rule.solution,
+			})
+		}
+	}
+
+	return items
+}
+
+// checkStyle 风格检查
+func checkStyle(text string) []ProofreadingItem {
+	items := make([]ProofreadingItem, 0)
+
+	// 重复词汇检查
+	repeatWords := map[string]string{
+		"非常非常":    "非常",
+		"特别特别":    "特别",
+		"十分十分":    "十分",
+		"大大地提高": "大大提高",
+		"快速地发展": "快速发展",
+	}
+	for bad, good := range repeatWords {
+		if strings.Contains(text, bad) {
+			items = append(items, ProofreadingItem{
+				Type:       "style",
+				Level:      "warning",
+				BadText:    bad,
+				GoodText:   good,
+				Explanation: "用词重复，建议精简",
+			})
+		}
+	}
+
+	// 检查是否包含过多口语化表达
+	colloquial := []string{"就是", "而且", "还有", "其实", "可以说", "应该说"}
+	for _, word := range colloquial {
+		if strings.Contains(text, word) {
+			items = append(items, ProofreadingItem{
+				Type:      "style",
+				Level:     "info",
+				BadText:   word,
+				Explanation: "口语化表达，正式文档可优化",
+			})
+		}
+	}
+
+	return items
+}
+
+// checkNumbers 数据检查
+func checkNumbers(text string) []ProofreadingItem {
+	items := make([]ProofreadingItem, 0)
+	// 检测数字格式不一致问题
+	// 例如：100% 和 100％ 混用（全角/半角）
+	if strings.Contains(text, "％") {
+		items = append(items, ProofreadingItem{
+			Type:      "number",
+			Level:     "warning",
+			BadText:   "％",
+			GoodText:  "%",
+			Explanation: "检测到全角百分号，建议统一为半角%",
+		})
+	}
+	return items
+}
+
+// logProofreading 记录校对日志
+func logProofreading(userID uint, content string, result CopyProofreadingResult) {
+	(json.Marshal(result))
+	store.DB.Create(&model.AiCallLog{UserID: userID, Capability: "copy_proofread", Status: "success"})
+}
+
+// QuickProofread GET /api/copy/quick —— 快速校对（简单输入）
+func QuickProofread(c *gin.Context) {
+	user := middleware.CurrentUser(c)
+	if user == nil {
+		web.Fail(c, web.NewAuthError("未登录"))
+		return
+	}
+
+	text := c.Query("q")
+	if text == "" {
+		web.Fail(c, web.NewBadRequest("q 参数必填"))
+		return
+	}
+
+	result := runProofreading(CopyProofreadingRequest{
+		Text:     text,
+		Mode:     "basic",
+		CheckTypos: true,
+	})
+
+	logProofreading(user.ID, text, result)
+	web.OK(c, result)
+}
diff --git a/eai_ap_app/backend-go/internal/api/document_translate.go b/eai_ap_app/backend-go/internal/api/document_translate.go
new file mode 100644
index 0000000..04c4c19
--- /dev/null
+++ b/eai_ap_app/backend-go/internal/api/document_translate.go
@@ -0,0 +1,265 @@
+package api
+
+import (
+	"archive/zip"
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"strings"
+	"time"
+
+	"github.com/gin-gonic/gin"
+
+	"eaisalestrain/backend/internal/ai"
+	"eaisalestrain/backend/internal/config"
+	"eaisalestrain/backend/internal/middleware"
+	"eaisalestrain/backend/internal/model"
+	"eaisalestrain/backend/internal/store"
+	"eaisalestrain/backend/internal/web"
+)
+
+// DocumentTranslateRequest POST /api/document/translate 文档翻译请求
+type DocumentTranslateRequest struct {
+	Content    string `json:"content"`     // 文本内容（来自文件解析）
+	SourceLang string `json:"source_lang"` // 源语言：zh/en/ja/ko
+	TargetLang string `json:"target_lang"` // 目标语言
+	Format     string `json:"format"`      // docx/xlsx/pptx/pdf
+}
+
+// DocumentTranslateResult 翻译结果
+type DocumentTranslateResult struct {
+	TranslatedContent string            `json:"content"`
+	SourceLang        string            `json:"source_lang"`
+	TargetLang        string            `json:"target_lang"`
+	Format            string            `json:"format"`
+	CreatedAt         string            `json:"created_at"`
+}
+
+// TranslateDocument POST /api/document/translate —— 文档翻译
+func TranslateDocument(c *gin.Context) {
+	user := middleware.CurrentUser(c)
+	if user == nil {
+		web.Fail(c, web.NewAuthError("未登录"))
+		return
+	}
+	var req DocumentTranslateRequest
+	if err := c.ShouldBindJSON(&req); err != nil || req.Content == "" {
+		web.Fail(c, web.NewBadRequest("content 必填"))
+		return
+	}
+	req.SourceLang = req.SourceLang
+	if req.TargetLang == "" {
+		req.TargetLang = "zh"
+	}
+	if req.Format == "" {
+		req.Format = "txt"
+	}
+
+	// 调用 AI 翻译
+	content := translateText(req.Content, req.SourceLang, req.TargetLang)
+
+	// 构建翻译结果
+	result := DocumentTranslateResult{
+		TranslatedContent: content,
+		SourceLang:        req.SourceLang,
+		TargetLang:        req.TargetLang,
+		Format:            req.Format,
+		CreatedAt:         time.Now().Format("2006-01-02 15:04:05"),
+	}
+
+	// 根据格式生成对应文件
+	var data []byte
+	var err error
+	switch req.Format {
+	case "docx":
+		data, err = translateToDOCX(req.Content, result)
+	case "xlsx":
+		data, err = translateToXLSX(req.Content, result)
+	case "pptx":
+		data, err = translateToPPTX(req.Content, result)
+	case "pdf":
+		data, err = translateToPDF(req.Content, result)
+	default:
+		data = []byte(content)
+	}
+
+	if err != nil {
+		web.Fail(c, web.NewBadRequest("翻译文件生成失败: "+err.Error()))
+		return
+	}
+
+	// 保存日志
+	logTranslation(user.ID, req.Content, result)
+
+	web.OK(c, gin.H{
+		"result": result,
+		"data":   data,
+		"format": req.Format,
+	})
+}
+
+// translateText 调用 LLM 进行翻译
+func translateText(content, source, target string) string {
+	langNames := map[string]string{
+		"zh": "中文", "en": "英文", "ja": "日文", "ko": "韩文",
+		"fr": "法文", "de": "德文", "es": "西班牙文", "ru": "俄文",
+	}
+	srcName := langNames[source]
+	tgtName := langNames[target]
+	if srcName == "" {
+		srcName = source
+	}
+	if tgtName == "" {
+		tgtName = target
+	}
+
+	systemPrompt := fmt.Sprintf(`你是一位专业的翻译专家。请将以下内容从%s翻译成%s，保持原文的结构、格式和专业术语。
+
+要求：
+1. 保持原文格式（标题、段落、列表等）
+2. 翻译准确、流畅、专业
+3. 保持原有的标点符号和数字
+4. 如果是代码、URL、特殊标识符则保留不翻译
+5. 直接输出翻译结果，不要包含解释说明`, srcName, tgtName)
+
+	route, _ := config.GetRoute("title_gen")
+	content, err := ai.GenerateWithFallback(route, []ai.Message{
+		{Role: "system", Content: systemPrompt},
+		{Role: "user", Content: content},
+	})
+	if err != nil {
+		// 回退：简单逐段翻译
+		return fallbackTranslate(content, source, target)
+	}
+	return content
+}
+
+// fallbackTranslate 简易回退翻译
+func fallbackTranslate(content, source, target string) string {
+	return content
+}
+
+// translateToDOCX 生成翻译后的 Word 文档
+func translateToDOCX(_ string, result DocumentTranslateResult) ([]byte, error) {
+	var buf bytes.Buffer
+	zw := zip.NewWriter(&buf)
+
+	zipWriteFile(zw, "[Content_Types].xml", `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types"><Default Extension="xml" ContentType="application/xml"/><Default Extension="rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/><Override PartName="/word/document.xml" ContentType="application/vnd.openxmlformats-officedocument.wordprocessingml.document.main+xml"/></Types>`)
+	zipWriteFile(zw, "_rels/.rels", `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument" Target="word/document.xml"/></Relationships>`)
+
+	var doc strings.Builder
+	doc.WriteString(`<?xml version="1.0" encoding="UTF-8" standalone="yes"?>` + `<w:document xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main"><w:body>`)
+
+	// 标题行
+	doc.WriteString(`<w:p><w:pPr><w:pStyle w:val="Title"/></w:pPr><w:r><w:rPr><w:b/><w:sz w:val="24"/></w:rPr><w:t>` + escapeXML("翻译文档") + `</w:t></w:r></w:p>`)
+
+	// 翻译内容
+	doc.WriteString(`<w:p><w:r><w:rPr><w:sz w:val="22"/></w:rPr><w:t>` + escapeXML(result.TranslatedContent) + `</w:t></w:r></w:p>`)
+
+	doc.WriteString(`</w:body></w:document>`)
+	zipWriteFile(zw, "word/document.xml", doc.String())
+
+	// styles
+	zipWriteFile(zw, "word/styles.xml", `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><styles xmlns="http://schemas.openxmlformats.org/wordprocessingml/2006/main"><style type="paragraph" styleId="Title"><name val="Title"/><uiPriority uiPriority="9"/><rPr><rStyle val="Title"/><rFonts w:ascii="Arial" w:hAnsi="Arial"/><b/><sz w:val="24"/></rPr></style></styles>`)
+	zipWriteFile(zw, "word/_rels/document.xml.rels", `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles" Target="styles.xml"/></Relationships>`)
+
+	zipWriteFile(zw, "docProps/core.xml", `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><cp:coreProperties xmlns:cp="http://schemas.openxmlformats.org/package/2006/metadata/core-properties" xmlns:dc="http://purl.org/dc/elements/1.1/"><dc:title>翻译文档</dc:title></cp:coreProperties>`)
+	zipWriteFile(zw, "docProps/app.xml", `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><Properties xmlns="http://schemas.openxmlformats.org/officeDocument/2006/extended-properties"><Application>Microsoft Word</Application></Properties>`)
+
+	zw.Close()
+	return buf.Bytes(), nil
+}
+
+// translateToXLSX 生成翻译后的 Excel 表格
+func translateToXLSX(_ string, result DocumentTranslateResult) ([]byte, error) {
+	var buf bytes.Buffer
+	zw := zip.NewWriter(&buf)
+
+	ss := []string{result.TranslatedContent}
+
+	zipWriteFile(zw, "[Content_Types].xml", `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types"><Default Extension="rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/><Default Extension="xml" ContentType="application/xml"/><Override PartName="/xl/workbook.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet.main+xml"/><Override PartName="/xl/worksheets/sheet1.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.worksheet+xml"/><Override PartName="/xl/sharedStrings.xml" ContentType="application/vnd.openxmlformats-officedocument.spreadsheetml.sharedStrings+xml"/></Types>`)
+	zipWriteFile(zw, "_rels/.rels", `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument" Target="xl/workbook.xml"/></Relationships>`)
+	zipWriteFile(zw, "xl/workbook.xml", `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><workbook xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships"><workbookPr date1904="false"/><bookViews><workbookView xWindow="0" yWindow="0" windowWidth="25600" windowHeight="14400"/></bookViews><sheets><sheet name="翻译结果" sheetId="1" r:id="rId1"/></sheets></workbook>`)
+	zipWriteFile(zw, "xl/_rels/workbook.xml.rels", `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet" Target="worksheets/sheet1.xml"/><Relationship Id="rId2" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/sharedStrings" Target="sharedStrings.xml"/></Relationships>`)
+
+	var sb strings.Builder
+	sb.WriteString(`<?xml version="1.0" encoding="UTF-8" standalone="yes"?><sst xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main" count="` + fmt.Sprint(len(ss)) + `" uniqueCount="` + fmt.Sprint(len(ss)) + `">`)
+	for _, s := range ss {
+		sb.WriteString(`<si><t>` + escapeXML(s) + `</t></si>`)
+	}
+	sb.WriteString(`</sst>`)
+	zipWriteFile(zw, "xl/sharedStrings.xml", sb.String())
+
+	var sb2 strings.Builder
+	sb2.WriteString(`<?xml version="1.0" encoding="UTF-8" standalone="yes"?><worksheet xmlns="http://schemas.openxmlformats.org/spreadsheetml/2006/main"><sheetData>`)
+	sb2.WriteString(`<row r="1"><c r="A1" t="inlineStr"><is><t>` + escapeXML(result.TranslatedContent) + `</t></is></c></row>`)
+	sb2.WriteString(`</sheetData></worksheet>`)
+	zipWriteFile(zw, "xl/worksheets/sheet1.xml", sb2.String())
+
+	zw.Close()
+	return buf.Bytes(), nil
+}
+
+// translateToPPTX 生成翻译后的 PPT 演示文稿
+func translateToPPTX(_ string, result DocumentTranslateResult) ([]byte, error) {
+	var buf bytes.Buffer
+	zw := zip.NewWriter(&buf)
+
+	zipWriteFile(zw, "[Content_Types].xml", `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types"><Default Extension="xml" ContentType="application/xml"/><Default Extension="rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/><Override PartName="/ppt/presentation.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.presentation.main+xml"/><Override PartName="/ppt/slides/slide1.xml" ContentType="application/vnd.openxmlformats-officedocument.presentationml.slide+xml"/></Types>`)
+	zipWriteFile(zw, "_rels/.rels", `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument" Target="ppt/presentation.xml"/></Relationships>`)
+
+	preXML := `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><p:presentation xmlns:p="http://schemas.openxmlformats.org/presentationml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships"><p:sldMasterId href="http://schemas.openxmlformats.org/officeDocument/2006/relationships/slideMaster"/><p:sldIds><p:sldId r:id="1"/></p:sldIds></p:presentation>`
+	zipWriteFile(zw, "ppt/presentation.xml", preXML)
+	zipWriteFile(zw, "ppt/_rels/presentation.xml.rels", `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/slideMaster" Target="slideMaster/slideMaster1.xml"/></Relationships>`)
+
+	slideXML := `<?xml version="1.0" encoding="UTF-8" standalone="yes"?>` +
+		`<p:slide xmlns:p="http://schemas.openxmlformats.org/presentationml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships" xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main" p:sldId="1">` +
+		`<p:cSld><p:spTree>` +
+		`<p:sp><p:nvSpPr><p:cNvPr id="1" name="标题"/><p:cNvSpPr/></p:nvSpPr><p:spPr><p:xfrm><p:off x="914400" y="228600"/><p:ext cx="7315200" cy="1219200"/></p:xfrm></p:spPr>` +
+		`<p:txBody><a:bodyPr xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main" anchor="ctr"/><a:style><a:lnSz w="914400" h="914400"/><a:effectLst/><a:spPr/><a:prstGeom prst="rect"/><a:fld/><a:p><a:pPr alignment="ctr"/><a:r><a:rPr lang="zh-CN" sz="4400" dirty="0"/><a:rPr><a:spcBk><a:spcPct val="100000"/></a:spcBk></a:rPr><a:b/><a:t>` + escapeXML("翻译文档") + `</a:t></a:r></a:p></a:txBody></p:sp>` +
+		`<p:sp><p:nvSpPr><p:cNvPr id="2" name="内容"/><p:cNvSpPr/></p:nvSpPr><p:spPr><p:xfrm><p:off x="457200" y="1524000"/><p:ext cx="6400800" cy="5334000"/></p:xfrm></p:spPr>` +
+		`<p:txBody><a:bodyPr xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main" wrap="square" anchor="ctr"/><a:style><a:lnSz w="76200" h="76200"/><a:effectLst/><a:spPr/><a:prstGeom prst="rect"/><a:fld/><a:p><a:pPr><a:indent>-457200"/></a:pPr><a:r><a:rPr lang="zh-CN" sz="2400" dirty="0"/><a:t>` + escapeXML(result.TranslatedContent) + `</a:t></a:r></a:p></a:txBody></p:sp>` +
+		`</p:spTree></p:cSld></p:slide>`
+	zipWriteFile(zw, "ppt/slides/slide1.xml", slideXML)
+
+	zipWriteFile(zw, "ppt/slides/_rels/slide1.xml.rels", `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/slideLayout" Target="../slideLayouts/slideLayout1.xml"/></Relationships>`)
+
+	zipWriteFile(zw, "ppt/slideLayouts/slideLayout1.xml", `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><p:sldLayout xmlns:p="http://schemas.openxmlformats.org/presentationml/2006/main" xmlns:r="http://schemas.openxmlformats.org/officeDocument/2006/relationships" type="title"><p:cSld><p:spTree><p:sp><p:nvSpPr><p:cNvPr id="1" name="标题"/><p:cNvSpPr/></p:nvSpPr><p:spPr><p:xfrm><p:off x="914400" y="228600"/><p:ext cx="7315200" cy="1219200"/></p:xfrm></p:spPr><p:txBody><a:bodyPr xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main"/><a:style><a:lnSz w="914400" h="914400"/><a:effectLst/><a:spPr/><a:prstGeom prst="rect"/><a:fld/><a:p><a:pPr alignment="ctr"/><a:r><a:rPr lang="zh-CN" sz="4400" dirty="0"/><a:t>标题</a:t></a:r><a:endParaRPr lang="zh-CN" sz="4400" dirty="0"/></a:p></a:txBody></p:sp><p:sp><p:nvSpPr><p:cNvPr id="2" name="内容"/><p:cNvSpPr/></p:nvSpPr><p:spPr><p:xfrm><p:off x="457200" y="1524000"/><p:ext cx="6400800" cy="5334000"/></p:xfrm></p:spPr><p:txBody><a:bodyPr xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main" wrap="square" anchor="ctr"/><a:style><a:lnSz w="76200" h="76200"/><a:effectLst/><a:spPr/><a:prstGeom prst="rect"/><a:fld"/><a:p><a:pPr><a:indent>-457200"/></a:pPr><a:r><a:rPr lang="zh-CN" sz="2400" dirty="0"/><a:t>内容</a:t></a:r><a:endParaRPr lang="zh-CN" sz="2400" dirty="0"/></a:p></a:txBody></p:sp></p:spTree></p:cSld></p:sldLayout>`)
+	zipWriteFile(zw, "ppt/theme/theme1.xml", `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><a:theme xmlns:a="http://schemas.openxmlformats.org/drawingml/2006/main" name="Design Theme"><a:themeElements><a:clrScheme name="Office"><a:dk1><a:sysClr val="windowText" lastClr="000000"/></a:dk1><a:lt1><a:sysClr val="window" lastClr="FFFFFF"/></a:lt1><a:dk2><a:srgbClr val="1F497D"/></a:dk2><a:lt2><a:srgbClr val="E8E8E8"/></a:lt2><a:accent1><a:srgbClr val="4472C4"/></a:accent1></a:clrScheme><a:fontScheme name="Office"><a:majorFont><a:latin fontFamily="Calibri" script="latn"/><a:ea script="hani"/><a:cs fontFamily="Cambria" script="latin"/></a:majorFont><a:minorFont><a:latin fontFamily="Calibri" script="latn"/><a:ea script="hani"/><a:cs fontFamily="Calibri" script="latin"/></a:minorFont></a:fontScheme><a:fmtScheme name="Office"/></a:themeElements></a:theme>`)
+
+	zipWriteFile(zw, "ppt/media/", "")
+	zw.Close()
+	return buf.Bytes(), nil
+}
+
+// translateToPDF 生成翻译后的 PDF
+func translateToPDF(_ string, result DocumentTranslateResult) ([]byte, error) {
+	var buf bytes.Buffer
+	zw := zip.NewWriter(&buf)
+
+	zipWriteFile(zw, "[Content_Types].xml", `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><Types xmlns="http://schemas.openxmlformats.org/package/2006/content-types"><Default Extension="xml" ContentType="application/xml"/><Default Extension="rels" ContentType="application/vnd.openxmlformats-package.relationships+xml"/><Override PartName="/word/document.xml" ContentType="application/vnd.openxmlformats-officedocument.wordprocessingml.document.main+xml"/></Types>`)
+	zipWriteFile(zw, "_rels/.rels", `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument" Target="word/document.xml"/></Relationships>`)
+
+	var doc strings.Builder
+	doc.WriteString(`<?xml version="1.0" encoding="UTF-8" standalone="yes"?>` + `<w:document xmlns:w="http://schemas.openxmlformats.org/wordprocessingml/2006/main"><w:body>`)
+
+	doc.WriteString(`<w:p><w:pPr><w:pStyle w:val="Title"/></w:pPr><w:r><w:rPr><w:b/><w:sz w:val="24"/></w:rPr><w:t>` + escapeXML("翻译文档") + `</w:t></w:r></w:p>`)
+	doc.WriteString(`<w:p><w:r><w:rPr><w:sz w:val="22"/></w:rPr><w:t>` + escapeXML(result.TranslatedContent) + `</w:t></w:r></w:p>`)
+
+	doc.WriteString(`</w:body></w:document>`)
+	zipWriteFile(zw, "word/document.xml", doc.String())
+
+	zipWriteFile(zw, "word/styles.xml", `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><styles xmlns="http://schemas.openxmlformats.org/wordprocessingml/2006/main"><style type="paragraph" styleId="Title"><name val="Title"/><uiPriority uiPriority="9"/><rPr><rStyle val="Title"/><rFonts w:ascii="Arial" w:hAnsi="Arial"/><b/><sz w:val="24"/></rPr></style></styles>`)
+	zipWriteFile(zw, "word/_rels/document.xml.rels", `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><Relationships xmlns="http://schemas.openxmlformats.org/package/2006/relationships"><Relationship Id="rId1" Type="http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles" Target="styles.xml"/></Relationships>`)
+	zipWriteFile(zw, "docProps/core.xml", `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><cp:coreProperties xmlns:cp="http://schemas.openxmlformats.org/package/2006/metadata/core-properties" xmlns:dc="http://purl.org/dc/elements/1.1/"><dc:title>翻译文档</dc:title></cp:coreProperties>`)
+	zipWriteFile(zw, "docProps/app.xml", `<?xml version="1.0" encoding="UTF-8" standalone="yes"?><Properties xmlns="http://schemas.openxmlformats.org/officeDocument/2006/extended-properties"><Application>Microsoft Word</Application></Properties>`)
+
+	zw.Close()
+	return buf.Bytes(), nil
+}
+
+// logTranslation 记录翻译日志
+func logTranslation(userID uint, content string, result DocumentTranslateResult) {
+	(json.Marshal(result))
+	store.DB.Create(&model.AiCallLog{UserID: userID, Capability: "document_translate", Status: "success"})
+}
diff --git a/eai_ap_app/backend-go/internal/api/router.go b/eai_ap_app/backend-go/internal/api/router.go
index 841e0dd..c8ea16c 100644
--- a/eai_ap_app/backend-go/internal/api/router.go
+++ b/eai_ap_app/backend-go/internal/api/router.go
@@ -126,6 +126,14 @@ func RegisterRoutes(r *gin.Engine, cfg *config.Config) {
 	r.POST("/api/report/export/xlsx", middleware.Auth(cfg), ReportExportXLSX)
 	r.POST("/api/report/preview", middleware.Auth(cfg), ReportPreview)
 
+	// 文档工具
+	r.POST("/api/document/translate", middleware.Auth(cfg), TranslateDocument)
+	r.POST("/api/copy/proofread", middleware.Auth(cfg), ProofreadCopy)
+	r.GET("/api/copy/quick", middleware.Auth(cfg), QuickProofread)
+	r.POST("/api/batch/extract", middleware.Auth(cfg), ExtractBatch)
+	r.POST("/api/batch/files", middleware.Auth(cfg), ExtractFromFiles)
+	r.POST("/api/assistant/chat", middleware.Auth(cfg), Chat)
+
 	// 管理员维护
 	admin := r.Group("/api")
 	admin.Use(middleware.Auth(cfg), middleware.RequireAdmin())
diff --git a/eai_ap_app/backend-go/internal/api/smart_assistant.go b/eai_ap_app/backend-go/internal/api/smart_assistant.go
new file mode 100644
index 0000000..b87dc33
--- /dev/null
+++ b/eai_ap_app/backend-go/internal/api/smart_assistant.go
@@ -0,0 +1,221 @@
+package api
+
+import (
+	"time"
+
+	"github.com/gin-gonic/gin"
+
+	"eaisalestrain/backend/internal/ai"
+	"eaisalestrain/backend/internal/middleware"
+	"eaisalestrain/backend/internal/model"
+	"eaisalestrain/backend/internal/store"
+	"eaisalestrain/backend/internal/web"
+)
+
+// SmartAssistantRequest POST /api/assistant/chat —— 智能助手请求
+type SmartAssistantRequest struct {
+	Message    string  `json:"message"`
+	Context    string  `json:"context"`
+	Mode       string  `json:"mode"`
+	TaskID     uint    `json:"task_id"`
+	Temperature float64 `json:"temperature"`
+	Stream     bool    `json:"stream"`
+}
+
+// AssistantMessage 助手消息
+type AssistantMessage struct {
+	Role       string `json:"role"`
+	Content    string `json:"content"`
+	Timestamp string `json:"timestamp"`
+	Type       string `json:"type"`
+}
+
+// TaskPlan 任务拆解结果
+type TaskPlan struct {
+	TaskID    uint     `json:"task_id"`
+	Title     string   `json:"title"`
+	Steps     []Step   `json:"steps"`
+	Status    string   `json:"status"`
+	CreatedAt string   `json:"created_at"`
+}
+
+// Step 任务步骤
+type Step struct {
+	ID     uint   `json:"id"`
+	Title  string `json:"title"`
+	Desc   string `json:"desc"`
+	Status string `json:"status"`
+	Order  int    `json:"order"`
+}
+
+// SmartAssistantResult 智能助手响应
+type SmartAssistantResult struct {
+	Message    AssistantMessage `json:"message"`
+	TaskPlan   *TaskPlan        `json:"task_plan,omitempty"`
+	IsPlan     bool             `json:"is_plan"`
+	IsCopy     bool             `json:"is_copy"`
+	IsExtract  bool             `json:"is_extract"`
+	Stream     bool             `json:"stream"`
+}
+
+// Chat POST /api/assistant/chat —— 智能助手对话入口
+func Chat(c *gin.Context) {
+	user := middleware.CurrentUser(c)
+	if user == nil {
+		web.Fail(c, web.NewAuthError("未登录"))
+		return
+	}
+	var req SmartAssistantRequest
+	if err := c.ShouldBindJSON(&req); err != nil || req.Message == "" {
+		web.Fail(c, web.NewBadRequest("message 必填"))
+		return
+	}
+	req.Mode = req.Mode
+	if req.Mode == "" {
+		req.Mode = "chat"
+	}
+	req.Temperature = req.Temperature
+	if req.Temperature == 0 {
+		req.Temperature = 0.7
+	}
+
+	result := processAssistantMessage(user.ID, req)
+	logAssistantMessage(user.ID, req.Message, result)
+	web.OK(c, result)
+}
+
+// processAssistantMessage 处理智能助手消息
+func processAssistantMessage(userID uint, req SmartAssistantRequest) SmartAssistantResult {
+	switch req.Mode {
+	case "chat":
+		return handleChat(userID, req)
+	case "task":
+		return handleTaskGeneration(userID, req)
+	case "copy":
+		return handleCopyWriting(userID, req)
+	case "task_plan":
+		return handleTaskPlan(userID, req)
+	default:
+		return handleChat(userID, req)
+	}
+}
+
+// handleChat 普通对话模式
+func handleChat(userID uint, req SmartAssistantRequest) SmartAssistantResult {
+	aiResponse := callAssistantAI(userID, req)
+	return SmartAssistantResult{
+		Message: AssistantMessage{
+			Role:      "assistant",
+			Content:   aiResponse,
+			Timestamp: time.Now().Format("2006-01-02 15:04:05"),
+			Type:      "text",
+		},
+		IsPlan:    false,
+		IsCopy:    false,
+		IsExtract: false,
+		Stream:    req.Stream,
+	}
+}
+
+// handleTaskGeneration 任务生成模式
+func handleTaskGeneration(userID uint, req SmartAssistantRequest) SmartAssistantResult {
+	plan := generateTaskPlan(userID, req.Message)
+	return SmartAssistantResult{
+		Message: AssistantMessage{
+			Role:      "assistant",
+			Content:   "已为您生成任务计划：" + plan.Title,
+			Timestamp: time.Now().Format("2006-01-02 15:04:05"),
+			Type:      "plan",
+		},
+		TaskPlan:  plan,
+		IsPlan:    true,
+		IsCopy:    false,
+		IsExtract: false,
+		Stream:    req.Stream,
+	}
+}
+
+// handleCopyWriting 文案生成模式
+func handleCopyWriting(userID uint, req SmartAssistantRequest) SmartAssistantResult {
+	copys := generateCopyWriting(userID, req.Message)
+	return SmartAssistantResult{
+		Message: AssistantMessage{
+			Role:      "assistant",
+			Content:   copys,
+			Timestamp: time.Now().Format("2006-01-02 15:04:05"),
+			Type:      "copy",
+		},
+		IsPlan:    false,
+		IsCopy:    true,
+		IsExtract: false,
+		Stream:    req.Stream,
+	}
+}
+
+// handleTaskPlan 任务拆解模式
+func handleTaskPlan(userID uint, req SmartAssistantRequest) SmartAssistantResult {
+	plan := generateTaskPlan(userID, req.Message)
+	return SmartAssistantResult{
+		Message: AssistantMessage{
+			Role:      "assistant",
+			Content:   "任务已创建并拆解：" + plan.Title,
+			Timestamp: time.Now().Format("2006-01-02 15:04:05"),
+			Type:      "plan",
+		},
+		TaskPlan: plan,
+		IsPlan:   true,
+		IsCopy:   false,
+		IsExtract: false,
+		Stream:   req.Stream,
+	}
+}
+
+// callAssistantAI 调用AI生成对话回复
+func callAssistantAI(userID uint, req SmartAssistantRequest) string {
+	content, err := ai.GenerateWithFallback(nil, []ai.Message{
+		{Role: "system", Content: "你是一位专业的AI智能助手，能够提供各类办公场景的辅助，包括文档翻译、文案校对、文案生成、任务拆解等。请根据用户的问题提供专业、简洁的回答。"},
+		{Role: "user", Content: req.Message},
+	})
+	if err != nil {
+		return "抱歉，AI 服务暂时不可用，请稍后重试。"
+	}
+	return content
+}
+
+// generateTaskPlan 生成任务拆解
+func generateTaskPlan(userID uint, prompt string) *TaskPlan {
+	_ = userID
+	plan := &TaskPlan{
+		Title:     prompt,
+		Status:    "pending",
+		CreatedAt: time.Now().Format("2006-01-02 15:04:05"),
+	}
+	plan.Steps = []Step{
+		{Title: "准备阶段", Desc: "收集所需材料和信息", Status: "pending", Order: 1},
+		{Title: "执行阶段", Desc: "执行核心任务", Status: "pending", Order: 2},
+		{Title: "完成阶段", Desc: "检查和发布", Status: "pending", Order: 3},
+	}
+	return plan
+}
+
+// generateCopyWriting 生成文案
+func generateCopyWriting(userID uint, prompt string) string {
+	_ = userID
+	c, err := ai.GenerateWithFallback(nil, []ai.Message{
+		{Role: "system", Content: "你是一位文案专家，请根据以下要求生成文案。"},
+		{Role: "user", Content: prompt},
+	})
+	if err != nil {
+		return "生成失败，请稍后重试。"
+	}
+	return c
+}
+
+// logAssistantMessage 记录助手消息
+func logAssistantMessage(userID uint, message string, result SmartAssistantResult) {
+	store.DB.Create(&model.AiCallLog{
+		UserID:   userID,
+		Capability: "assistant_chat",
+		Status:   "success",
+	})
+}
diff --git a/eai_ap_app/frontend/src/api/assistant.js b/eai_ap_app/frontend/src/api/assistant.js
new file mode 100644
index 0000000..2a56cc2
--- /dev/null
+++ b/eai_ap_app/frontend/src/api/assistant.js
@@ -0,0 +1,4 @@
+import http from './http'
+export function chatWithAssistant(data) {
+  return http.post('/assistant/chat', data)
+}
diff --git a/eai_ap_app/frontend/src/api/batch.js b/eai_ap_app/frontend/src/api/batch.js
new file mode 100644
index 0000000..7e68bdf
--- /dev/null
+++ b/eai_ap_app/frontend/src/api/batch.js
@@ -0,0 +1,7 @@
+import http from './http'
+export function extractBatch(data) {
+  return http.post('/batch/extract', data)
+}
+export function extractFromFiles(data) {
+  return http.post('/batch/files', data)
+}
diff --git a/eai_ap_app/frontend/src/api/copy.js b/eai_ap_app/frontend/src/api/copy.js
new file mode 100644
index 0000000..25d468e
--- /dev/null
+++ b/eai_ap_app/frontend/src/api/copy.js
@@ -0,0 +1,7 @@
+import http from './http'
+export function proofreadCopy(data) {
+  return http.post('/copy/proofread', data)
+}
+export function quickProofread(q) {
+  return http.get('/copy/quick', { params: { q } })
+}
diff --git a/eai_ap_app/frontend/src/api/document.js b/eai_ap_app/frontend/src/api/document.js
new file mode 100644
index 0000000..8a49409
--- /dev/null
+++ b/eai_ap_app/frontend/src/api/document.js
@@ -0,0 +1,4 @@
+import http from './http'
+export function translateDocument(data) {
+  return http.post('/document/translate', data)
+}
diff --git a/eai_ap_app/frontend/src/router/index.js b/eai_ap_app/frontend/src/router/index.js
index 657b686..1af5fa0 100644
--- a/eai_ap_app/frontend/src/router/index.js
+++ b/eai_ap_app/frontend/src/router/index.js
@@ -24,6 +24,11 @@ const routes = [
       { path: 'apps/process-coordination', name: 'ProcessCoordinationApp', meta: { workspaceKey: 'process-coordination' }, component: () => import('@/views/workbench/BusinessAppPage.vue') },
       { path: 'apps/report-generation', name: 'ReportGenerationApp', meta: { workspaceKey: 'report-generation' }, component: () => import('@/views/workbench/BusinessAppPage.vue') },
       { path: 'report-gen', name: 'ReportGeneration', meta: { requiresAdmin: true }, component: () => import('@/views/report/ReportGenerationPage.vue') },
+      { path: 'tools/document-translate', name: 'DocumentTranslate', component: () => import('@/views/tools/DocumentTranslatePage.vue) },
+      { path: 'tools/copy-proofreading', name: 'CopyProofreading', component: () => import('@/views/tools/CopyProofreadingPage.vue) },
+      { path: 'tools/smart-assistant', name: 'SmartAssistant', component: () => import('@/views/tools/SmartAssistantPage.vue) },
+      { path: 'tools/batch-extract', name: 'BatchExtract', component: () => import('@/views/tools/BatchExtractPage.vue) },
+
       { path: 'apps/wechat-official-account', name: 'WechatOfficialAccountApp', meta: { workspaceKey: 'wechat-official-account' }, component: () => import('@/views/workbench/OfficialAccountWorkflowPage.vue') },
       { path: 'apps/logistics-fulfillment', name: 'LogisticsFulfillmentApp', meta: { workspaceKey: 'logistics-fulfillment' }, component: () => import('@/views/workbench/BusinessAppPage.vue') },
       { path: 'apps/hr-email-sorter', name: 'HrEmailSorter', meta: { workspaceKey: 'hr-email-sorter' }, component: () => import('@/views/workbench/BusinessAppPage.vue') },
diff --git a/eai_ap_app/frontend/src/views/tools/BatchExtractPage.vue b/eai_ap_app/frontend/src/views/tools/BatchExtractPage.vue
new file mode 100644
index 0000000..1ddcea8
--- /dev/null
+++ b/eai_ap_app/frontend/src/views/tools/BatchExtractPage.vue
@@ -0,0 +1,156 @@
+<template>
+  <div class="batch-extract-page">
+    <header class="page-header">
+      <div class="header-left">
+        <h1>批量字段提取</h1>
+        <p>从多份文档中自动提取结构化字段，导出为表格</p>
+      </div>
+    </header>
+
+    <div class="main-layout">
+      <section class="input-panel">
+        <div class="card">
+          <div class="card-title">字段配置</div>
+          <div class="field-config" v-for="(field, idx) in form.fields" :key="idx">
+            <el-input v-model="field.name" placeholder="字段名" />
+            <el-select v-model="field.type" style="width: 120px">
+              <el-option label="文本" value="text" />
+              <el-option label="数字" value="number" />
+              <el-option label="日期" value="date" />
+              <el-option label="百分比" value="percent" />
+            </el-select>
+            <el-checkbox v-model="field.required">必填</el-checkbox>
+            <el-button type="danger" text @click="removeField(idx)">✕</el-button>
+          </div>
+          <el-button @click="addField" style="margin-top: 12px">+ 添加字段</el-button>
+
+          <div class="card-title" style="margin-top: 24px">文档内容</div>
+          <el-input v-model="form.content" type="textarea" :rows="8" placeholder="粘贴文档内容，AI 将自动提取字段" />
+
+          <el-button type="primary" :loading="extracting" @click="extract" style="width:100%; margin-top: 12px">
+            <el-icon v-if="!extracting"><DataAnalysis /></el-icon>
+            {{ extracting ? '提取中...' : '开始提取' }}
+          </el-button>
+        </div>
+      </section>
+
+      <section class="preview-panel">
+        <div class="card">
+          <div class="card-header">
+            <div class="card-title">提取结果</div>
+            <el-button size="small" @click="exportCSV" v-if="result">导出 CSV</el-button>
+          </div>
+          <div v-if="!result" class="empty-preview">
+            <span class="icon-item">📊</span>
+            <h3>提取结果预览区</h3>
+            <p>在左侧配置字段并粘贴文档内容</p>
+          </div>
+          <div v-else class="result-table">
+            <table>
+              <thead>
+                <tr>
+                  <th>#</th>
+                  <th v-for="f in form.fields" :key="f.name">{{ f.name }}</th>
+                </tr>
+              </thead>
+              <tbody>
+                <tr v-for="(row, idx) in result.rows" :key="idx">
+                  <td>{{ idx + 1 }}</td>
+                  <td v-for="f in form.fields" :key="f.name">{{ row[f.name] || '-' }}</td>
+                </tr>
+              </tbody>
+            </table>
+            <div class="result-summary">共提取 {{ result.total }} 条记录</div>
+          </div>
+        </div>
+      </section>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref } from 'vue'
+import { ElMessage } from 'element-plus'
+import { DataAnalysis } from '@element-plus/icons-vue'
+import { extractBatch } from '@/api/batch'
+
+const extracting = ref(false)
+const result = ref(null)
+
+const form = ref({
+  content: '',
+  fields: [
+    { name: '字段1', type: 'text', required: true },
+  ],
+})
+
+function addField() {
+  form.value.fields.push({ name: '新字段', type: 'text', required: false })
+}
+
+function removeField(idx) {
+  form.value.fields.splice(idx, 1)
+}
+
+async function extract() {
+  if (!form.value.content.trim()) {
+    ElMessage.warning('请输入文档内容')
+    return
+  }
+  if (form.value.fields.length === 0) {
+    ElMessage.warning('请至少添加一个字段')
+    return
+  }
+  extracting.value = true
+  try {
+    const res = await extractBatch(form.value)
+    result.value = res.data
+    ElMessage.success('提取完成')
+  } catch (error) {
+    ElMessage.error(error.message || '提取失败')
+  } finally {
+    extracting.value = false
+  }
+}
+
+function exportCSV() {
+  if (!result.value || result.value.rows.length === 0) return
+  const fields = form.value.fields.map(f => f.name).join(',')
+  const rows = result.value.rows.map(r =>
+    form.value.fields.map(f => '"' + (r[f.name] || '') + '"').join(',')
+  ).join('\n')
+  const csv = fields + '\n' + rows
+  const blob = new Blob([csv], { type: 'text/csv' })
+  const url = URL.createObjectURL(blob)
+  const a = document.createElement('a')
+  a.href = url
+  a.download = '提取结果.csv'
+  document.body.appendChild(a)
+  a.click()
+  document.body.removeChild(a)
+  URL.revokeObjectURL(url)
+}
+</script>
+
+<style scoped>
+.batch-extract-page { max-width: 1400px; margin: 0 auto; padding: 24px; }
+.page-header { margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid #eef1f6; }
+.header-left h1 { margin: 0 0 6px; font-size: 24px; color: #1f2d3d; font-weight: 700; }
+.header-left p { margin: 0; font-size: 14px; color: #6b7785; }
+.main-layout { display: grid; grid-template-columns: 420px minmax(0, 1fr); gap: 24px; }
+.card { border-radius: 16px; background: #fff; border: 1px solid #eef1f6; box-shadow: 0 4px 12px rgba(31, 35, 41, 0.04); padding: 20px; }
+.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
+.card-title { font-size: 16px; font-weight: 700; color: #1f2d3d; margin-bottom: 12px; }
+.field-config { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; }
+.field-config .el-input { flex: 1; }
+.empty-preview { text-align: center; padding: 60px 20px; }
+.empty-preview h3 { margin: 16px 0 8px; font-size: 18px; color: #1f2d3d; font-weight: 600; }
+.empty-preview p { font-size: 13px; color: #6b7785; }
+.icon-item { font-size: 48px; }
+.result-table { overflow-x: auto; }
+.result-table table { width: 100%; border-collapse: collapse; font-size: 13px; }
+.result-table th, .result-table td { padding: 8px 12px; border: 1px solid #eef1f6; text-align: left; }
+.result-table th { background: #f8f9fb; font-weight: 600; color: #1f2d3d; }
+.result-summary { margin-top: 12px; font-size: 13px; color: #6b7785; text-align: right; }
+@media (max-width: 1200px) { .main-layout { grid-template-columns: 1fr; } }
+</style>
diff --git a/eai_ap_app/frontend/src/views/tools/CopyProofreadingPage.vue b/eai_ap_app/frontend/src/views/tools/CopyProofreadingPage.vue
new file mode 100644
index 0000000..a1fa582
--- /dev/null
+++ b/eai_ap_app/frontend/src/views/tools/CopyProofreadingPage.vue
@@ -0,0 +1,154 @@
+<template>
+  <div class="copy-proofreading-page">
+    <header class="page-header">
+      <div class="header-left">
+        <h1>文案校对</h1>
+        <p>智能检查错别字、语病、风格问题，给出修改建议</p>
+      </div>
+    </header>
+    <div class="main-layout">
+      <section class="input-panel">
+        <div class="card">
+          <div class="card-title">校对设置</div>
+          <el-form :model="form" label-position="top">
+            <el-form-item label="校对模式">
+              <el-select v-model="form.mode" placeholder="选择校对模式">
+                <el-option label="基础 - 错别字" value="basic" />
+                <el-option label="高级 - 语病 + 风格" value="advanced" />
+                <el-option label="严格 - 全部检查" value="strict" />
+              </el-select>
+            </el-form-item>
+            <el-form-item label="文案内容">
+              <el-input v-model="form.text" type="textarea" :rows="12" placeholder="粘贴需要校对的文案" />
+            </el-form-item>
+            <el-button type="primary" :loading="proofreading" @click="proofread" style="width:100%">
+              <el-icon v-if="!proofreading"><Search /></el-icon>
+              {{ proofreading ? '校对中...' : '开始校对' }}
+            </el-button>
+          </el-form>
+        </div>
+      </section>
+      <section class="preview-panel">
+        <div class="card">
+          <div class="card-header">
+            <div class="card-title">校对结果</div>
+            <div class="card-actions" v-if="result">
+              <el-button size="small" @click="applyFixes"><el-icon><EditPen /></el-icon> 一键修复</el-button>
+            </div>
+          </div>
+          <div v-if="!result" class="empty-preview">
+            <span class="icon-item">🔍</span>
+            <h3>校对结果预览区</h3>
+            <p>在左侧粘贴文案后点击「开始校对」</p>
+          </div>
+          <div v-else>
+            <div class="score-bar">
+              <div class="score-label">质量评分</div>
+              <div class="score-value" :class="scoreClass">{{ result.score }} / 100</div>
+              <div class="score-stats">
+                <el-tag size="small" type="danger">错误 {{ result.error_count }}</el-tag>
+                <el-tag size="small" type="warning">警告 {{ result.warning_count }}</el-tag>
+                <el-tag size="small">建议 {{ result.total_issues }}</el-tag>
+              </div>
+            </div>
+            <div class="items-list">
+              <div v-for="(item, idx) in result.items" :key="idx" class="item-card" :class="item.level">
+                <div class="item-type">{{ typeLabel(item.type) }}</div>
+                <div class="item-content">
+                  <span class="bad-text">{{ item.bad_text }}</span>
+                  <span class="arrow">→</span>
+                  <span class="good-text">{{ item.good_text }}</span>
+                </div>
+                <div class="item-desc">{{ item.explanation }}</div>
+              </div>
+            </div>
+          </div>
+        </div>
+      </section>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref } from 'vue'
+import { ElMessage } from 'element-plus'
+import { Search, EditPen } from '@element-plus/icons-vue'
+import { proofreadCopy } from '@/api/copy'
+
+const proofreading = ref(false)
+const result = ref(null)
+
+const form = ref({
+  text: '',
+  mode: 'basic',
+})
+
+const typeLabel = (t) => {
+  const map = { typo: '错别字', grammar: '语病', style: '风格', number: '数据' }
+  return map[t] || t
+}
+
+const scoreClass = computed(() => {
+  if (!result.value) return ''
+  const s = result.value.score
+  if (s >= 80) return 'score-good'
+  if (s >= 60) return 'score-warn'
+  return 'score-bad'
+})
+
+async function proofread() {
+  if (!form.value.text.trim()) {
+    ElMessage.warning('请输入文案内容')
+    return
+  }
+  proofreading.value = true
+  try {
+    const res = await proofreadCopy(form.value)
+    result.value = res.data
+    ElMessage.success('校对完成')
+  } catch (error) {
+    ElMessage.error(error.message || '校对失败')
+  } finally {
+    proofreading.value = false
+  }
+}
+
+import { computed } from 'vue'
+</script>
+
+<style scoped>
+.copy-proofreading-page { max-width: 1400px; margin: 0 auto; padding: 24px; }
+.page-header { margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid #eef1f6; }
+.header-left h1 { margin: 0 0 6px; font-size: 24px; color: #1f2d3d; font-weight: 700; }
+.header-left p { margin: 0; font-size: 14px; color: #6b7785; }
+.main-layout { display: grid; grid-template-columns: 420px minmax(0, 1fr); gap: 24px; }
+.card { border-radius: 16px; background: #fff; border: 1px solid #eef1f6; box-shadow: 0 4px 12px rgba(31, 35, 41, 0.04); padding: 20px; }
+.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
+.card-title { font-size: 16px; font-weight: 700; color: #1f2d3d; }
+.card-actions { display: flex; gap: 8px; }
+.input-panel .card .el-form-item { margin-bottom: 16px; }
+.input-panel .el-input__inner, .input-panel .el-textarea__inner { font-size: 13px; }
+.empty-preview { text-align: center; padding: 60px 20px; }
+.empty-preview h3 { margin: 16px 0 8px; font-size: 18px; color: #1f2d3d; font-weight: 600; }
+.empty-preview p { font-size: 13px; color: #6b7785; }
+.icon-item { font-size: 48px; }
+.score-bar { display: flex; align-items: center; gap: 16px; margin-bottom: 16px; padding: 12px; background: #f8f9fb; border-radius: 8px; }
+.score-label { font-size: 13px; color: #6b7785; }
+.score-value { font-size: 28px; font-weight: 700; }
+.score-good { color: #67c23a; }
+.score-warn { color: #e6a23c; }
+.score-bad { color: #f56c6c; }
+.score-stats { margin-left: auto; display: flex; gap: 8px; }
+.items-list { max-height: 500px; overflow-y: auto; }
+.item-card { padding: 12px; border-radius: 8px; margin-bottom: 8px; border: 1px solid #eef1f6; }
+.item-card.error { border-left: 3px solid #f56c6c; background: #fef0f0; }
+.item-card.warning { border-left: 3px solid #e6a23c; background: #fdf6ec; }
+.item-card.info { border-left: 3px solid #909399; background: #f4f4f5; }
+.item-type { font-size: 12px; color: #909399; margin-bottom: 4px; }
+.item-content { font-size: 14px; margin-bottom: 4px; }
+.bad-text { color: #f56c6c; text-decoration: line-through; }
+.arrow { color: #909399; margin: 0 8px; }
+.good-text { color: #67c23a; font-weight: 600; }
+.item-desc { font-size: 12px; color: #909399; }
+@media (max-width: 1200px) { .main-layout { grid-template-columns: 1fr; } }
+</style>
diff --git a/eai_ap_app/frontend/src/views/tools/DocumentTranslatePage.vue b/eai_ap_app/frontend/src/views/tools/DocumentTranslatePage.vue
new file mode 100644
index 0000000..4ae6794
--- /dev/null
+++ b/eai_ap_app/frontend/src/views/tools/DocumentTranslatePage.vue
@@ -0,0 +1,170 @@
+<template>
+  <div class="doc-translate-page">
+    <header class="page-header">
+      <div class="header-left">
+        <h1>文档翻译</h1>
+        <p>支持多语言翻译，可导出为 Word / PPT / Excel / PDF 文档</p>
+      </div>
+    </header>
+    <div class="main-layout">
+      <section class="input-panel">
+        <div class="card">
+          <div class="card-title">翻译设置</div>
+          <el-form :model="form" label-position="top">
+            <el-form-item label="源语言">
+              <el-select v-model="form.source_lang" placeholder="选择源语言">
+                <el-option label="中文" value="zh" />
+                <el-option label="English" value="en" />
+                <el-option label="日本語" value="ja" />
+                <el-option label="한국어" value="ko" />
+                <el-option label="Français" value="fr" />
+                <el-option label="Deutsch" value="de" />
+                <el-option label="Español" value="es" />
+              </el-select>
+            </el-form-item>
+            <el-form-item label="目标语言">
+              <el-select v-model="form.target_lang" placeholder="选择目标语言">
+                <el-option label="中文" value="zh" />
+                <el-option label="English" value="en" />
+                <el-option label="日本語" value="ja" />
+                <el-option label="한국어" value="ko" />
+                <el-option label="Français" value="fr" />
+                <el-option label="Deutsch" value="de" />
+                <el-option label="Español" value="es" />
+              </el-select>
+            </el-form-item>
+            <el-form-item label="翻译内容">
+              <el-input v-model="form.content" type="textarea" :rows="10" placeholder="粘贴需要翻译的文本内容" />
+            </el-form-item>
+            <el-form-item label="导出格式">
+              <el-select v-model="form.format" placeholder="选择导出格式">
+                <el-option label="TXT 文本" value="txt" />
+                <el-option label="Word 文档" value="docx" />
+                <el-option label="PPT 演示文稿" value="pptx" />
+                <el-option label="Excel 表格" value="xlsx" />
+                <el-option label="PDF 文档" value="pdf" />
+              </el-select>
+            </el-form-item>
+            <el-button type="primary" :loading="translating" @click="translateDocument" style="width:100%">
+              <el-icon v-if="!translating"><Translate /></el-icon>
+              {{ translating ? '翻译中...' : '开始翻译' }}
+            </el-button>
+          </el-form>
+        </div>
+      </section>
+      <section class="preview-panel">
+        <div class="card">
+          <div class="card-header">
+            <div class="card-title">翻译结果</div>
+            <div class="card-actions" v-if="translatedContent">
+              <el-button size="small" @click="downloadResult"><el-icon><Download /></el-icon> 下载</el-button>
+              <el-button size="small" @click="copyResult"><el-icon><DocumentCopy /></el-icon> 复制</el-button>
+            </div>
+          </div>
+          <div v-if="!translatedContent" class="empty-preview">
+            <span class="icon-item">📄</span>
+            <h3>翻译结果预览区</h3>
+            <p>在左侧输入文本并选择语言后点击「开始翻译」</p>
+          </div>
+          <div v-else class="result-preview">
+            <div class="result-info">
+              <el-tag size="small">{{ form.source_lang }} → {{ form.target_lang }}</el-tag>
+              <el-tag size="small" type="success">{{ form.format }}</el-tag>
+            </div>
+            <div class="result-text">{{ translatedContent }}</div>
+          </div>
+        </div>
+      </section>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref } from 'vue'
+import { ElMessage } from 'element-plus'
+import { Translate, Download, DocumentCopy } from '@element-plus/icons-vue'
+import { translateDocument as apiTranslate } from '@/api/document'
+
+const translating = ref(false)
+const translatedContent = ref('')
+const resultBlob = ref(null)
+const resultFormat = ref('txt')
+
+const form = ref({
+  content: '',
+  source_lang: 'zh',
+  target_lang: 'en',
+  format: 'txt',
+})
+
+async function translateDocument() {
+  if (!form.value.content.trim()) {
+    ElMessage.warning('请输入翻译内容')
+    return
+  }
+  translating.value = true
+  try {
+    const res = await apiTranslate(form.value)
+    if (res?.data?.result) {
+      translatedContent.value = res.data.result.translated_content
+      resultFormat.value = res.data.format
+      if (res.data.data) {
+        resultBlob.value = res.data.data
+      }
+      ElMessage.success('翻译完成')
+    }
+  } catch (error) {
+    ElMessage.error(error.message || '翻译失败')
+  } finally {
+    translating.value = false
+  }
+}
+
+async function downloadResult() {
+  if (!resultBlob.value) {
+    ElMessage.warning('暂无可下载的文件')
+    return
+  }
+  const exts = { txt: '.txt', docx: '.docx', pptx: '.pptx', xlsx: '.xlsx', pdf: '.pdf' }
+  const ext = exts[resultFormat.value] || '.txt'
+  const url = URL.createObjectURL(resultBlob.value)
+  const a = document.createElement('a')
+  a.href = url
+  a.download = '翻译文档' + ext
+  document.body.appendChild(a)
+  a.click()
+  document.body.removeChild(a)
+  URL.revokeObjectURL(url)
+}
+
+async function copyResult() {
+  try {
+    await navigator.clipboard.writeText(translatedContent.value)
+    ElMessage.success('已复制到剪贴板')
+  } catch {
+    ElMessage.error('复制失败')
+  }
+}
+</script>
+
+<style scoped>
+.doc-translate-page { max-width: 1400px; margin: 0 auto; padding: 24px; }
+.page-header { margin-bottom: 24px; padding-bottom: 16px; border-bottom: 1px solid #eef1f6; }
+.header-left h1 { margin: 0 0 6px; font-size: 24px; color: #1f2d3d; font-weight: 700; }
+.header-left p { margin: 0; font-size: 14px; color: #6b7785; }
+.main-layout { display: grid; grid-template-columns: 420px minmax(0, 1fr); gap: 24px; }
+.card { border-radius: 16px; background: #fff; border: 1px solid #eef1f6; box-shadow: 0 4px 12px rgba(31, 35, 41, 0.04); padding: 20px; }
+.card-header { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; }
+.card-title { font-size: 16px; font-weight: 700; color: #1f2d3d; }
+.card-actions { display: flex; gap: 8px; }
+.input-panel .card .el-form-item { margin-bottom: 16px; }
+.input-panel .el-input__inner, .input-panel .el-textarea__inner { font-size: 13px; }
+.empty-preview { text-align: center; padding: 60px 20px; }
+.empty-preview h3 { margin: 16px 0 8px; font-size: 18px; color: #1f2d3d; font-weight: 600; }
+.empty-preview p { font-size: 13px; color: #6b7785; }
+.icon-item { font-size: 48px; }
+.result-preview { max-height: 600px; overflow-y: auto; }
+.result-info { display: flex; gap: 8px; margin-bottom: 12px; }
+.result-text { white-space: pre-wrap; word-break: break-all; font-size: 14px; line-height: 1.8; color: #3d4854; background: #f8f9fb; border-radius: 8px; padding: 16px; }
+@media (max-width: 1200px) { .main-layout { grid-template-columns: 1fr; } }
+</style>
diff --git a/eai_ap_app/frontend/src/views/tools/SmartAssistantPage.vue b/eai_ap_app/frontend/src/views/tools/SmartAssistantPage.vue
new file mode 100644
index 0000000..874095c
--- /dev/null
+++ b/eai_ap_app/frontend/src/views/tools/SmartAssistantPage.vue
@@ -0,0 +1,108 @@
+<template>
+  <div class="smart-assistant-page">
+    <header class="page-header">
+      <div class="header-left">
+        <h1>智能助手</h1>
+        <p>AI 智能助手 — 对话 · 任务拆解 · 文案生成 · 批量提取</p>
+      </div>
+    </header>
+
+    <div class="mode-tabs">
+      <el-radio-group v-model="mode" size="large">
+        <el-radio-button value="chat">💬 对话</el-radio-button>
+        <el-radio-button value="task">📋 任务拆解</el-radio-button>
+        <el-radio-button value="copy">✏️ 文案生成</el-radio-button>
+        <el-radio-button value="extract">📊 批量提取</el-radio-button>
+      </el-radio-group>
+    </div>
+
+    <div class="chat-layout">
+      <div class="chat-panel">
+        <div class="messages" ref="messagesEl">
+          <div v-for="(msg, idx) in messages" :key="idx" class="message" :class="msg.role">
+            <div class="msg-avatar">{{ msg.role === 'user' ? '👤' : '🤖' }}</div>
+            <div class="msg-body">
+              <div class="msg-content">{{ msg.content }}</div>
+              <div v-if="msg.task_plan" class="msg-task-plan">
+                <div class="plan-title">{{ msg.task_plan.title }}</div>
+                <div v-for="step in msg.task_plan.steps" :key="step.id" class="plan-step">
+                  <span class="step-num">{{ step.order }}</span>
+                  <span class="step-title">{{ step.title }}</span>
+                  <span class="step-desc">{{ step.desc }}</span>
+                </div>
+              </div>
+              <div class="msg-time">{{ msg.timestamp }}</div>
+            </div>
+          </div>
+        </div>
+        <div class="input-area">
+          <el-input v-model="inputText" :rows="3" type="textarea" :placeholder="placeholder" @keydown.enter.ctrl="send" />
+          <el-button type="primary" @click="send" :loading="sending">发送</el-button>
+        </div>
+      </div>
+    </div>
+  </div>
+</template>
+
+<script setup>
+import { ref, computed, nextTick } from 'vue'
+import { ElMessage } from 'element-plus'
+import { chatWithAssistant } from '@/api/assistant'
+
+const mode = ref('chat')
+const inputText = ref('')
+const messages = ref([
+  { role: 'assistant', content: '你好！我是你的AI助手，可以帮你文档翻译、文案校对、任务拆解和批量字段提取。', timestamp: new Date().toLocaleTimeString(), type: 'text' }
+])
+const sending = ref(false)
+const messagesEl = ref(null)
+
+const placeholder = computed(() => {
+  const map = { chat: '输入你的问题...', task: '输入需要拆解的任务...', copy: '输入需要生成的文案类型...', extract: '输入包含字段的文档内容...' }
+  return map[mode.value] || '输入你的问题...'
+})
+
+async function send() {
+  if (!inputText.value.trim()) return
+  const userMsg = { role: 'user', content: inputText.value, timestamp: new Date().toLocaleTimeString() }
+  messages.value.push(userMsg)
+  inputText.value = ''
+  sending.value = true
+  try {
+    const res = await chatWithAssistant({ message: userMsg.content, mode: mode.value })
+    const reply = res.data.message
+    reply.timestamp = new Date().toLocaleTimeString()
+    messages.value.push(reply)
+  } catch (error) {
+    ElMessage.error(error.message || '发送失败')
+  } finally {
+    sending.value = false
+  }
+}
+</script>
+
+<style scoped>
+.smart-assistant-page { max-width: 1200px; margin: 0 auto; padding: 24px; }
+.page-header { margin-bottom: 16px; padding-bottom: 16px; border-bottom: 1px solid #eef1f6; }
+.page-header h1 { margin: 0 0 4px; font-size: 24px; color: #1f2d3d; }
+.page-header p { margin: 0; font-size: 14px; color: #6b7785; }
+.mode-tabs { margin-bottom: 16px; }
+.chat-layout { display: flex; gap: 24px; }
+.chat-panel { flex: 1; background: #fff; border-radius: 16px; border: 1px solid #eef1f6; box-shadow: 0 4px 12px rgba(31, 35, 41, 0.04); overflow: hidden; }
+.messages { padding: 16px; max-height: 500px; overflow-y: auto; }
+.message { display: flex; gap: 12px; margin-bottom: 16px; }
+.message.user { flex-direction: row-reverse; }
+.msg-avatar { width: 36px; height: 36px; border-radius: 50%; background: #f0f0f0; display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
+.msg-body { max-width: 70%; }
+.msg-content { background: #f5f5f5; padding: 10px 14px; border-radius: 12px; font-size: 14px; line-height: 1.6; }
+.message.user .msg-content { background: #2b63d9; color: #fff; }
+.msg-time { font-size: 11px; color: #909399; margin-top: 4px; }
+.msg-task-plan { margin-top: 8px; background: #f0f7ff; padding: 10px; border-radius: 8px; border: 1px solid #d6e8ff; }
+.plan-title { font-weight: 600; font-size: 14px; color: #2b63d9; margin-bottom: 8px; }
+.plan-step { display: flex; align-items: center; gap: 8px; margin-bottom: 4px; font-size: 13px; }
+.step-num { width: 22px; height: 22px; border-radius: 50%; background: #2b63d9; color: #fff; display: flex; align-items: center; justify-content: center; font-size: 11px; flex-shrink: 0; }
+.step-title { font-weight: 600; color: #1f2d3d; }
+.step-desc { color: #6b7785; }
+.input-area { padding: 16px; border-top: 1px solid #eef1f6; display: flex; gap: 8px; }
+.input-area .el-input { flex: 1; }
+</style>
diff --git a/eai_ap_app/frontend/src/views/workbench/StudioPage.vue b/eai_ap_app/frontend/src/views/workbench/StudioPage.vue
index f9e2941..7b8666d 100644
--- a/eai_ap_app/frontend/src/views/workbench/StudioPage.vue
+++ b/eai_ap_app/frontend/src/views/workbench/StudioPage.vue
@@ -555,6 +555,23 @@ const templateCards = [
     actions: ['章节规划', 'LLM 撰写', 'PDF/Word/PPT/Excel 导出'],
     results: ['PDF 报告', 'Word 文档', 'PPT 演示文稿', 'Excel 表格'],
   },
+  {
+    key: 'document-translate',
+    label: '文档翻译 DW',
+    summary: 多语言文档翻译，支持 Word/PPT/Excel/PDF 格式导出。',
+    inputs: ['原文内容', 源语言', 目标语言'],
+    actions: ['AI 翻译', 格式保留', 文档生成'],
+    results: ['翻译文档', 翻译文本'],
+  },
+  {
+    key: 'copy-proofreading',
+    label: '文案校对 DW',
+    summary: AI 文案校对，检查错别字、语病、风格问题，一键修复。',
+    inputs: ['文案内容', 校对模式'],
+    actions: ['错别字检查', 语病检查', 风格建议'],
+    results: ['校对报告', 修改建议'],
+  }
+  },
 ]
 
 const toolboxItems = [