diff --git a/internal/bot/bot.go b/internal/bot/bot.go
index 59424d9..a9d65b5 100644
--- a/internal/bot/bot.go
+++ b/internal/bot/bot.go
@@ -3,6 +3,7 @@ package bot
 import (
 	"context"
 	"encoding/json"
+	"errors"
 	"fmt"
 	"strings"
 
@@ -33,6 +34,8 @@ type Bot struct {
 	toolModel      string
 	visionProvider *config.Provider
 	visionModel    string
+	memoryProvider *config.Provider
+	memoryModel    string
 	history        []openai.ChatCompletionMessageParamUnion
 	systemPrompt   string
 	toolRegistry   *tools.Registry
@@ -59,6 +62,12 @@ func New(cfg *config.Config) (*Bot, error) {
 			b.visionProvider, b.visionModel = p, m
 		}
 	}
+	b.memoryProvider, b.memoryModel = b.provider, b.model
+	if cfg.MemoryModel != "" {
+		if p, m, err := config.ResolveModel(cfg.MemoryModel); err == nil {
+			b.memoryProvider, b.memoryModel = p, m
+		}
+	}
 	if err := b.toolRegistry.InitConfigs(); err != nil {
 		return nil, err
 	}
@@ -119,9 +128,10 @@ func (b *Bot) ThinkingConfig() (string, string) {
 	return b.provider.Thinking, b.provider.ReasoningEffort
 }
 
-func (b *Bot) CurrentRoles() (tool, vision string) {
+func (b *Bot) CurrentRoles() (tool, vision, memory string) {
 	return b.toolProvider.Name + "/" + b.toolModel,
-		b.visionProvider.Name + "/" + b.visionModel
+		b.visionProvider.Name + "/" + b.visionModel,
+		b.memoryProvider.Name + "/" + b.memoryModel
 }
 
 func (b *Bot) Tools() []string {
@@ -172,6 +182,93 @@ func estimateTokens(s string) int64 {
 	return int64(len(tke.Encode(s, nil, nil)))
 }
 
+const memoryExtractPrompt = `你是记忆提取器。从下面的对话中提取值得长期记住的信息，包括：
+- 用户的个人偏好、习惯、兴趣
+- 用户的个人事实（职业、所在地、家庭等）
+- 项目或任务的背景信息
+- 用户的长期请求或承诺
+只提取确定的信息，忽略闲聊与一次性请求。
+输出 JSON：{"memories": [{"content": "记忆内容", "category": "preference|fact|background|other", "importance": 1到10的整数}]}
+没有新记忆时输出 {"memories": []}`
+
+// ExtractMemories 用记忆 AI 从当前对话历史中提取新记忆。
+// existing 为已存记忆列表，注入 prompt 由 AI 判断去重；
+// onReasoning 非空时流式输出 AI 的思考过程。
+func (b *Bot) ExtractMemories(ctx context.Context, existing []store.Memory, onReasoning func(string)) ([]store.Memory, error) {
+	if b.memoryProvider.APIKey == "" {
+		return nil, fmt.Errorf("记忆AI供应商 %s 未配置 api_key，请编辑 data/config.yaml", b.memoryProvider.Name)
+	}
+	if len(b.history) == 0 {
+		return nil, errors.New("没有可提取的对话历史")
+	}
+	sys := memoryExtractPrompt
+	if len(existing) > 0 {
+		var sb strings.Builder
+		sb.WriteString(sys)
+		sb.WriteString("\n已有记忆（请勿重复提取）：\n")
+		for _, m := range existing {
+			fmt.Fprintf(&sb, "- %s (类别: %s, 重要度: %d)\n", m.Content, m.Category, m.Importance)
+		}
+		sys = sb.String()
+	}
+	messages := make([]openai.ChatCompletionMessageParamUnion, 0, len(b.history)+1)
+	messages = append(messages, openai.SystemMessage(sys))
+	messages = append(messages, b.history...)
+
+	params := openai.ChatCompletionNewParams{
+		Model:    b.memoryModel,
+		Messages: messages,
+	}
+	b.applyThinkingParams(&params, b.memoryProvider)
+	params.SetExtraFields(map[string]any{"response_format": map[string]string{"type": "json_object"}})
+	stream := b.clientFor(b.memoryProvider).Chat.Completions.NewStreaming(ctx, params)
+	var content strings.Builder
+	for stream.Next() {
+		for _, choice := range stream.Current().Choices {
+			if onReasoning != nil {
+				if s := extraReasoning(choice.Delta.RawJSON()); s != "" {
+					onReasoning(s)
+				}
+			}
+			content.WriteString(choice.Delta.Content)
+		}
+	}
+	if err := stream.Err(); err != nil {
+		return nil, fmt.Errorf("记忆提取请求失败: %w", err)
+	}
+	text := strings.TrimSpace(content.String())
+	if text == "" {
+		return nil, nil
+	}
+	raw := gjson.Get(text, "memories").Raw
+	if raw == "" {
+		raw = text
+	}
+	var extracted []struct {
+		Content    string `json:"content"`
+		Category   string `json:"category"`
+		Importance int    `json:"importance"`
+	}
+	if err := json.Unmarshal([]byte(raw), &extracted); err != nil {
+		return nil, fmt.Errorf("解析记忆输出失败: %w", err)
+	}
+	var out []store.Memory
+	for _, e := range extracted {
+		c := strings.TrimSpace(e.Content)
+		if c == "" {
+			continue
+		}
+		if e.Importance < 0 {
+			e.Importance = 0
+		}
+		if e.Importance > 10 {
+			e.Importance = 10
+		}
+		out = append(out, store.Memory{Content: c, Category: e.Category, Importance: e.Importance})
+	}
+	return out, nil
+}
+
 func (b *Bot) SessionMessages() []store.Message {
 	out := make([]store.Message, 0, len(b.history)+1)
 	out = append(out, store.Message{Role: "system", Content: b.systemPrompt})
diff --git a/internal/bot/memory_test.go b/internal/bot/memory_test.go
new file mode 100644
index 0000000..82a0f7d
--- /dev/null
+++ b/internal/bot/memory_test.go
@@ -0,0 +1,104 @@
+package bot
+
+import (
+	"context"
+	"net/http"
+	"net/http/httptest"
+	"strings"
+	"testing"
+
+	"github.com/openai/openai-go"
+
+	"myaibot/internal/config"
+	"myaibot/internal/store"
+)
+
+func TestExtractMemories(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		if r.URL.Path != "/chat/completions" {
+			t.Errorf("请求路径 = %q, want /chat/completions", r.URL.Path)
+		}
+		w.Header().Set("Content-Type", "text/event-stream")
+		w.Write([]byte(`data: {"choices":[{"delta":{"reasoning_content":"用户提到了喝咖啡和Go开发，值得长期记住。","content":"{\"memories\":[{\"content\":\"用户喜欢喝咖啡\",\"category\":\"preference\",\"importance\":7},{\"content\":\"\",\"category\":\"fact\",\"importance\":99},{\"content\":\"用户是Go开发者\",\"category\":\"fact\",\"importance\":-3}]}"}}]}` + "\n\n"))
+		w.Write([]byte("data: [DONE]\n\n"))
+	}))
+	defer srv.Close()
+
+	b := &Bot{
+		clients:        make(map[string]*openai.Client),
+		memoryProvider: &config.Provider{Name: "mem", APIKey: "sk-test", BaseURL: srv.URL},
+		memoryModel:    "m",
+		history: []openai.ChatCompletionMessageParamUnion{
+			openai.UserMessage("我喜欢喝咖啡，是个 Go 开发者"),
+		},
+	}
+	var reasoning strings.Builder
+	ms, err := b.ExtractMemories(context.Background(), nil, func(text string) {
+		reasoning.WriteString(text)
+	})
+	if err != nil {
+		t.Fatalf("ExtractMemories 出错: %v", err)
+	}
+	if len(ms) != 2 {
+		t.Fatalf("提取数量 = %d, want 2（空内容跳过）", len(ms))
+	}
+	if ms[0].Content != "用户喜欢喝咖啡" || ms[0].Category != "preference" || ms[0].Importance != 7 {
+		t.Errorf("记忆0异常: %+v", ms[0])
+	}
+	if ms[1].Content != "用户是Go开发者" || ms[1].Importance != 0 {
+		t.Errorf("重要度应钳制到 0-10: %+v", ms[1])
+	}
+	if reasoning.Len() == 0 {
+		t.Error("思考流应被回调")
+	}
+}
+
+func TestExtractMemoriesNoHistory(t *testing.T) {
+	b := &Bot{
+		clients:        make(map[string]*openai.Client),
+		memoryProvider: &config.Provider{Name: "mem", APIKey: "sk-test"},
+		memoryModel:    "m",
+	}
+	if _, err := b.ExtractMemories(context.Background(), nil, nil); err == nil || !strings.Contains(err.Error(), "没有可提取") {
+		t.Errorf("无历史应报错: %v", err)
+	}
+}
+
+func TestExtractMemoriesNoAPIKey(t *testing.T) {
+	b := &Bot{
+		clients:        make(map[string]*openai.Client),
+		memoryProvider: &config.Provider{Name: "mem"},
+		memoryModel:    "m",
+		history: []openai.ChatCompletionMessageParamUnion{
+			openai.UserMessage("hi"),
+		},
+	}
+	if _, err := b.ExtractMemories(context.Background(), nil, nil); err == nil || !strings.Contains(err.Error(), "api_key") {
+		t.Errorf("无 api_key 应报错: %v", err)
+	}
+}
+
+func TestExtractMemoriesEmptyResult(t *testing.T) {
+	srv := httptest.NewServer(http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+		w.Header().Set("Content-Type", "text/event-stream")
+		w.Write([]byte("data: {\"choices\":[{\"delta\":{\"content\":\"{\\\"memories\\\":[]}\"}}]}\n\n"))
+		w.Write([]byte("data: [DONE]\n\n"))
+	}))
+	defer srv.Close()
+
+	b := &Bot{
+		clients:        make(map[string]*openai.Client),
+		memoryProvider: &config.Provider{Name: "mem", APIKey: "sk-test", BaseURL: srv.URL},
+		memoryModel:    "m",
+		history: []openai.ChatCompletionMessageParamUnion{
+			openai.UserMessage("hello"),
+		},
+	}
+	ms, err := b.ExtractMemories(context.Background(), []store.Memory{{Content: "已有记忆"}}, nil)
+	if err != nil {
+		t.Fatalf("ExtractMemories 出错: %v", err)
+	}
+	if len(ms) != 0 {
+		t.Errorf("空结果应返回空切片, got %+v", ms)
+	}
+}
diff --git a/internal/cli/cli.go b/internal/cli/cli.go
index 9cd2ba4..2cb41dc 100644
--- a/internal/cli/cli.go
+++ b/internal/cli/cli.go
@@ -1,6 +1,7 @@
 package cli
 
 import (
+	"context"
 	"database/sql"
 	"fmt"
 	"strconv"
@@ -62,6 +63,8 @@ func (h *Handler) Handle(input string) bool {
 		fmt.Println("  /effort <low|high|max>  设置思考强度")
 		fmt.Println("  /context           打印当前聊天上下文")
 		fmt.Println("  /tools             列出可用工具")
+		fmt.Println("  /dream             从对话中提取长期记忆")
+		fmt.Println("  /memories          列出已提取的记忆")
 		fmt.Println("  /sessions          列出历史会话")
 		fmt.Println("  /session <id>      切换到历史会话，如 /session 3")
 		fmt.Println("  /info              显示当前供应商、模型和思考配置")
@@ -115,6 +118,52 @@ func (h *Handler) Handle(input string) bool {
 		for _, t := range h.bot.Tools() {
 			fmt.Println("  " + t)
 		}
+	case "/dream":
+		existing, err := store.ListMemories(h.db)
+		if err != nil {
+			fmt.Printf("⚠️  %v\n", err)
+			return true
+		}
+		thinkStyle := false
+		ms, err := h.bot.ExtractMemories(context.Background(), existing, func(text string) {
+			if !thinkStyle {
+				fmt.Print("\x1b[3;90m🧠 ")
+				thinkStyle = true
+			}
+			fmt.Print(text)
+		})
+		if thinkStyle {
+			fmt.Print("\x1b[0m\n")
+		}
+		if err != nil {
+			fmt.Printf("⚠️  %v\n", err)
+			return true
+		}
+		if len(ms) == 0 {
+			fmt.Println("🧠 没有新的记忆")
+			return true
+		}
+		if _, err := store.SaveMemories(h.db, ms); err != nil {
+			fmt.Printf("⚠️  %v\n", err)
+			return true
+		}
+		fmt.Printf("🧠 已提取 %d 条新记忆\n", len(ms))
+		for _, m := range ms {
+			fmt.Printf("  [%s %d] %s\n", m.Category, m.Importance, m.Content)
+		}
+	case "/memories":
+		list, err := store.ListMemories(h.db)
+		if err != nil {
+			fmt.Printf("⚠️  %v\n", err)
+			return true
+		}
+		if len(list) == 0 {
+			fmt.Println("暂无已提取的记忆")
+			return true
+		}
+		for _, m := range list {
+			fmt.Printf("  #%d %s [%s %d] %s\n", m.ID, m.CreatedAt.Format("2006-01-02 15:04"), m.Category, m.Importance, m.Content)
+		}
 	case "/sessions":
 		list, err := store.ListSessions(h.db)
 		if err != nil {
@@ -152,7 +201,7 @@ func (h *Handler) Handle(input string) bool {
 	case "/info":
 		provider, model := h.bot.Current()
 		thinking, effort := h.bot.ThinkingConfig()
-		tool, vision := h.bot.CurrentRoles()
+		tool, vision, memory := h.bot.CurrentRoles()
 		if thinking == "" {
 			thinking = "enabled(默认)"
 		}
@@ -161,7 +210,7 @@ func (h *Handler) Handle(input string) bool {
 		}
 		fmt.Printf("供应商: %s, 模型: %s, 思考模式: %s, 思考强度: %s\n", provider, model, thinking, effort)
 		fmt.Printf("上下文窗口: %s\n", formatWindow(h.bot.ContextWindow()))
-		fmt.Printf("工具调用AI: %s\n图片识别AI: %s\n", tool, vision)
+		fmt.Printf("工具调用AI: %s\n图片识别AI: %s\n记忆AI: %s\n", tool, vision, memory)
 	default:
 		fmt.Printf("未知命令: %s，输入 /help 查看命令列表\n", cmd)
 	}
diff --git a/internal/cli/complete.go b/internal/cli/complete.go
index 78238c1..2f855ac 100644
--- a/internal/cli/complete.go
+++ b/internal/cli/complete.go
@@ -2,7 +2,7 @@ package cli
 
 import "strings"
 
-var commands = []string{"/exit", "/quit", "/help", "/models", "/use", "/think", "/effort", "/context", "/tools", "/sessions", "/session", "/info"}
+var commands = []string{"/exit", "/quit", "/help", "/models", "/use", "/think", "/effort", "/context", "/tools", "/dream", "/memories", "/sessions", "/session", "/info"}
 
 func Complete(line string, models []string) []string {
 	fields := strings.Fields(line)
diff --git a/internal/config/config.go b/internal/config/config.go
index d4dbef3..69925bf 100644
--- a/internal/config/config.go
+++ b/internal/config/config.go
@@ -69,6 +69,7 @@ type Config struct {
 	DefaultModel    string         `yaml:"default_model"`
 	ToolModel       string         `yaml:"tool_model"`
 	VisionModel     string         `yaml:"vision_model"`
+	MemoryModel     string         `yaml:"memory_model"`
 	Database        DatabaseConfig `yaml:"database"`
 }
 
@@ -251,6 +252,11 @@ func validate(c *Config) error {
 			return err
 		}
 	}
+	if c.MemoryModel != "" {
+		if err := validateModelRef("memory_model", c.MemoryModel, c); err != nil {
+			return err
+		}
+	}
 	d := c.Database
 	if !contains([]string{"sqlite3", "mysql"}, d.Driver) {
 		return fmt.Errorf("database.driver 无效: %q（可选 sqlite3/mysql）", d.Driver)
diff --git a/internal/store/memory.go b/internal/store/memory.go
new file mode 100644
index 0000000..163be75
--- /dev/null
+++ b/internal/store/memory.go
@@ -0,0 +1,106 @@
+package store
+
+import (
+	"database/sql"
+	"fmt"
+	"strings"
+	"time"
+)
+
+type Memory struct {
+	ID              int64
+	CreatedAt       time.Time
+	SourceSessionID int64
+	Content         string
+	Category        string
+	Importance      int
+}
+
+const createMemoriesSQLite = `
+CREATE TABLE IF NOT EXISTS memories (
+    id                INTEGER PRIMARY KEY AUTOINCREMENT,
+    created_at        DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    source_session_id INTEGER NOT NULL DEFAULT 0,
+    content           TEXT NOT NULL,
+    category          TEXT NOT NULL DEFAULT '',
+    importance        INTEGER NOT NULL DEFAULT 5
+)`
+
+const createMemoriesMySQL = `
+CREATE TABLE IF NOT EXISTS memories (
+    id                BIGINT AUTO_INCREMENT PRIMARY KEY,
+    created_at        DATETIME NOT NULL DEFAULT CURRENT_TIMESTAMP,
+    source_session_id BIGINT NOT NULL DEFAULT 0,
+    content           TEXT NOT NULL,
+    category          VARCHAR(64) NOT NULL DEFAULT '',
+    importance        INT NOT NULL DEFAULT 5
+)`
+
+const createMemoriesIndex = "CREATE INDEX IF NOT EXISTS idx_memories_created_at ON memories (created_at)"
+
+func migrateMemories(db *sql.DB, driver string) error {
+	var ddl string
+	switch driver {
+	case "sqlite3":
+		ddl = createMemoriesSQLite
+	case "mysql":
+		ddl = createMemoriesMySQL
+	default:
+		return fmt.Errorf("不支持的数据库驱动: %s", driver)
+	}
+	if _, err := db.Exec(ddl); err != nil {
+		return fmt.Errorf("创建 memories 表失败: %w", err)
+	}
+	if _, err := db.Exec(createMemoriesIndex); err != nil {
+		return fmt.Errorf("创建 memories 索引失败: %w", err)
+	}
+	return nil
+}
+
+func SaveMemories(db *sql.DB, memories []Memory) (int64, error) {
+	if len(memories) == 0 {
+		return 0, nil
+	}
+	placeholders := make([]string, 0, len(memories))
+	args := make([]any, 0, len(memories)*4)
+	for _, m := range memories {
+		placeholders = append(placeholders, "(?, ?, ?, ?)")
+		args = append(args, m.SourceSessionID, m.Content, m.Category, m.Importance)
+	}
+	query := "INSERT INTO memories (source_session_id, content, category, importance) VALUES " +
+		strings.Join(placeholders, ", ")
+	res, err := db.Exec(query, args...)
+	if err != nil {
+		return 0, fmt.Errorf("保存记忆失败: %w", err)
+	}
+	return res.LastInsertId()
+}
+
+func ListMemories(db *sql.DB) ([]Memory, error) {
+	rows, err := db.Query("SELECT id, created_at, source_session_id, content, category, importance FROM memories ORDER BY id DESC")
+	if err != nil {
+		return nil, fmt.Errorf("查询记忆失败: %w", err)
+	}
+	defer rows.Close()
+	var out []Memory
+	for rows.Next() {
+		var (
+			m       Memory
+			created string
+		)
+		if err := rows.Scan(&m.ID, &created, &m.SourceSessionID, &m.Content, &m.Category, &m.Importance); err != nil {
+			return nil, fmt.Errorf("读取记忆失败: %w", err)
+		}
+		m.CreatedAt = parseTime(created)
+		out = append(out, m)
+	}
+	return out, rows.Err()
+}
+
+func MemoryCount(db *sql.DB) (int64, error) {
+	var n int64
+	if err := db.QueryRow("SELECT COUNT(*) FROM memories").Scan(&n); err != nil {
+		return 0, fmt.Errorf("统计记忆失败: %w", err)
+	}
+	return n, nil
+}
diff --git a/internal/store/memory_test.go b/internal/store/memory_test.go
new file mode 100644
index 0000000..3258364
--- /dev/null
+++ b/internal/store/memory_test.go
@@ -0,0 +1,60 @@
+package store
+
+import (
+	"database/sql"
+	"path/filepath"
+	"testing"
+
+	"myaibot/internal/config"
+)
+
+func openMemDB(t *testing.T) *sql.DB {
+	t.Helper()
+	cfg := &config.DatabaseConfig{
+		Driver: "sqlite3",
+		File:   filepath.Join(t.TempDir(), "memory.db"),
+	}
+	db, err := Open(cfg)
+	if err != nil {
+		t.Fatalf("Open 出错: %v", err)
+	}
+	t.Cleanup(func() { Close(db) })
+	if err := Migrate(db, "sqlite3"); err != nil {
+		t.Fatalf("Migrate 出错: %v", err)
+	}
+	return db
+}
+
+func TestMemoriesRoundtrip(t *testing.T) {
+	db := openMemDB(t)
+	ms := []Memory{
+		{Content: "用户喜欢喝咖啡", Category: "preference", Importance: 7},
+		{Content: "用户是 Go 开发者", Category: "fact", Importance: 9, SourceSessionID: 3},
+	}
+	if _, err := SaveMemories(db, ms); err != nil {
+		t.Fatalf("SaveMemories 出错: %v", err)
+	}
+	if n, err := MemoryCount(db); err != nil || n != 2 {
+		t.Errorf("MemoryCount = %d, %v; want 2", n, err)
+	}
+	list, err := ListMemories(db)
+	if err != nil {
+		t.Fatalf("ListMemories 出错: %v", err)
+	}
+	if len(list) != 2 {
+		t.Fatalf("列表数量 = %d, want 2", len(list))
+	}
+	if list[0].Content != "用户是 Go 开发者" || list[0].Importance != 9 || list[0].SourceSessionID != 3 {
+		t.Errorf("最新记忆应为 Go 开发者: %+v", list[0])
+	}
+	if list[1].Content != "用户喜欢喝咖啡" || list[1].Category != "preference" {
+		t.Errorf("记忆顺序/内容异常: %+v", list[1])
+	}
+}
+
+func TestSaveMemoriesEmpty(t *testing.T) {
+	db := openMemDB(t)
+	if _, err := SaveMemories(db, nil); err != nil {
+		t.Fatalf("空列表不应报错: %v", err)
+	}
+}
diff --git a/internal/store/session.go b/internal/store/session.go
index fbdeab1..aab2fa8 100644
--- a/internal/store/session.go
+++ b/internal/store/session.go
@@ -62,7 +62,7 @@ func Migrate(db *sql.DB, driver string) error {
 	if _, err := db.Exec(ddl); err != nil {
 		return fmt.Errorf("创建 sessions 表失败: %w", err)
 	}
-	return nil
+	return migrateMemories(db, driver)
 }
 
 func SaveSession(db *sql.DB, s *Session) (int64, error) {