diff --git a/backend/cmd/main.go b/backend/cmd/main.go
index d4f15f0..820646d 100755
--- a/backend/cmd/main.go
+++ b/backend/cmd/main.go
@@ -25,7 +25,7 @@ func main() {
 	gin.SetMode(cfg.Server.Mode)
 
 	// 初始化 SQLite 数据库
-	if err := db.Init(cfg.Database.DSN, &model.User{}); err != nil {
+	if err := db.Init(cfg.Database.DSN, &model.User{}, &model.Project{}, &model.ProjectStyleRecord{}, &model.Task{}); err != nil {
 		slog.Error("db init failed", "error", err)
 		return
 	}
@@ -41,6 +41,9 @@ func main() {
 	storageSvc := service.NewStorageService(cfg.Qiniu)
 	handler.InitStorageService(storageSvc)
 
+	// 初始化项目服务
+	service.InitProjectService(db.GetDB())
+
 	r := gin.New()
 	r.Use(mildware.Logger())
 	r.Use(mildware.Recovery())
@@ -57,9 +60,20 @@ func main() {
 	v1Auth := r.Group("/api/v1")
 	v1Auth.Use(mildware.AuthMiddleware(cfg.JWT.Secret))
 	{
+		// 工程管理
+		v1Auth.GET("/projects", handler.ListProjects)                           // 获取工程列表
+		v1Auth.POST("/projects", handler.CreateProject)                         // 创建工程
+		v1Auth.GET("/projects/:projectId", handler.GetProject)                  // 获取工程详情
+		v1Auth.PUT("/projects/:projectId", handler.UpdateProject)                // 更新工程信息
+		v1Auth.DELETE("/projects/:projectId", handler.DeleteProject)             // 删除工程
+		v1Auth.GET("/projects/:projectId/style", handler.GetStyle)               // 获取工程风格
+		v1Auth.PUT("/projects/:projectId/style", handler.UpdateStyle)            // 更新工程风格
+		v1Auth.GET("/projects/:projectId/tasks", handler.GetProjectTasks)       // 获取工程任务列表
+		// 素材生成
 		v1Auth.POST("/generate", handler.Generate)               // 素材生成管线
 		v1Auth.GET("/tasks/:taskId", handler.GetTask)            // 查询任务
 		v1Auth.GET("/tasks/:taskId/assets", handler.GetAssets)   // 查询任务素材
+		// 图片编辑
 		v1Auth.POST("/images/edit", handler.EditImage)           // 图片编辑
 	}
 
diff --git a/backend/internal/db/db.go b/backend/internal/db/db.go
index 0fdbf7b..c75cdc9 100755
--- a/backend/internal/db/db.go
+++ b/backend/internal/db/db.go
@@ -18,3 +18,8 @@ func Init(dsn string, models ...any) error {
 
 	return DB.AutoMigrate(models...)
 }
+
+// GetDB 获取全局数据库实例。
+func GetDB() *gorm.DB {
+	return DB
+}
diff --git a/backend/internal/handler/project.go b/backend/internal/handler/project.go
new file mode 100644
index 0000000..11a39de
--- /dev/null
+++ b/backend/internal/handler/project.go
@@ -0,0 +1,280 @@
+package handler
+
+import (
+	"net/http"
+	"strconv"
+	"strings"
+
+	"gen2d/internal/logger"
+	"gen2d/internal/model"
+	"gen2d/internal/service"
+
+	"github.com/gin-gonic/gin"
+)
+
+// CreateProjectRequest 创建工程请求。
+type CreateProjectRequest struct {
+	Name  string            `json:"name" binding:"required,min=1,max=100"`
+	Style map[string]string `json:"style"`
+}
+
+// UpdateProjectRequest 更新工程请求。
+type UpdateProjectRequest struct {
+	Name string `json:"name" binding:"omitempty,min=1,max=100"`
+}
+
+// UpdateStyleRequest 更新风格请求。
+type UpdateStyleRequest struct {
+	KvPairs map[string]string `json:"kvPairs"`
+}
+
+// CreateProject 创建工程。
+func CreateProject(c *gin.Context) {
+		userID := c.GetUint("userID")
+	if userID == 0 {
+		c.JSON(http.StatusUnauthorized, model.Fail(http.StatusUnauthorized, "未认证"))
+		return
+	}
+
+	var req CreateProjectRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, model.Fail(http.StatusBadRequest, "参数错误: "+err.Error()))
+		return
+	}
+
+	projectSvc := service.GetProjectService()
+	proj, err := projectSvc.CreateProject(c.Request.Context(), userID, req.Name, req.Style)
+	if err != nil {
+		logger.FromCtx(c.Request.Context()).Error("create project failed", "error", err)
+		c.JSON(http.StatusInternalServerError, model.Fail(http.StatusInternalServerError, "创建工程失败"))
+		return
+	}
+
+	c.JSON(http.StatusCreated, model.OK(proj))
+}
+
+// ListProjects 获取工程列表。
+func ListProjects(c *gin.Context) {
+		userID := c.GetUint("userID")
+	if userID == 0 {
+		c.JSON(http.StatusUnauthorized, model.Fail(http.StatusUnauthorized, "未认证"))
+		return
+	}
+
+	pageStr := c.DefaultQuery("page", "1")
+	pageSizeStr := c.DefaultQuery("pageSize", "20")
+
+	page, err := strconv.Atoi(pageStr)
+	if err != nil || page < 1 {
+		page = 1
+	}
+
+	pageSize, err := strconv.Atoi(pageSizeStr)
+	if err != nil || pageSize < 1 || pageSize > 100 {
+		pageSize = 20
+	}
+
+	projectSvc := service.GetProjectService()
+	result, err := projectSvc.ListProjects(c.Request.Context(), userID, page, pageSize)
+	if err != nil {
+		logger.FromCtx(c.Request.Context()).Error("list projects failed", "error", err)
+		c.JSON(http.StatusInternalServerError, model.Fail(http.StatusInternalServerError, "获取工程列表失败"))
+		return
+	}
+
+	c.JSON(http.StatusOK, model.OK(result))
+}
+
+// GetProject 获取工程详情。
+func GetProject(c *gin.Context) {
+		userID := c.GetUint("userID")
+	if userID == 0 {
+		c.JSON(http.StatusUnauthorized, model.Fail(http.StatusUnauthorized, "未认证"))
+		return
+	}
+
+	projectIDStr := c.Param("projectId")
+	projectID, err := strconv.ParseUint(projectIDStr, 10, 32)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, model.Fail(http.StatusBadRequest, "无效的工程ID"))
+		return
+	}
+
+	projectSvc := service.GetProjectService()
+	proj, err := projectSvc.GetProject(c.Request.Context(), userID, uint(projectID))
+	if err != nil {
+		logger.FromCtx(c.Request.Context()).Error("get project failed", "error", err)
+		if strings.Contains(err.Error(), "not found") {
+			c.JSON(http.StatusNotFound, model.Fail(http.StatusNotFound, "工程不存在"))
+			return
+		}
+		c.JSON(http.StatusInternalServerError, model.Fail(http.StatusInternalServerError, "获取工程详情失败"))
+		return
+	}
+
+	c.JSON(http.StatusOK, model.OK(proj))
+}
+
+// UpdateProject 更新工程信息。
+func UpdateProject(c *gin.Context) {
+		userID := c.GetUint("userID")
+	if userID == 0 {
+		c.JSON(http.StatusUnauthorized, model.Fail(http.StatusUnauthorized, "未认证"))
+		return
+	}
+
+	projectIDStr := c.Param("projectId")
+	projectID, err := strconv.ParseUint(projectIDStr, 10, 32)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, model.Fail(http.StatusBadRequest, "无效的工程ID"))
+		return
+	}
+
+	var req UpdateProjectRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, model.Fail(http.StatusBadRequest, "参数错误: "+err.Error()))
+		return
+	}
+
+	projectSvc := service.GetProjectService()
+	proj, err := projectSvc.UpdateProject(c.Request.Context(), userID, uint(projectID), req.Name)
+	if err != nil {
+		logger.FromCtx(c.Request.Context()).Error("update project failed", "error", err)
+		if strings.Contains(err.Error(), "not found") {
+			c.JSON(http.StatusNotFound, model.Fail(http.StatusNotFound, "工程不存在"))
+			return
+		}
+		c.JSON(http.StatusInternalServerError, model.Fail(http.StatusInternalServerError, "更新工程信息失败"))
+		return
+	}
+
+	c.JSON(http.StatusOK, model.OK(proj))
+}
+
+// DeleteProject 删除工程。
+func DeleteProject(c *gin.Context) {
+		userID := c.GetUint("userID")
+	if userID == 0 {
+		c.JSON(http.StatusUnauthorized, model.Fail(http.StatusUnauthorized, "未认证"))
+		return
+	}
+
+	projectIDStr := c.Param("projectId")
+	projectID, err := strconv.ParseUint(projectIDStr, 10, 32)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, model.Fail(http.StatusBadRequest, "无效的工程ID"))
+		return
+	}
+
+	projectSvc := service.GetProjectService()
+	err = projectSvc.DeleteProject(c.Request.Context(), userID, uint(projectID))
+	if err != nil {
+		logger.FromCtx(c.Request.Context()).Error("delete project failed", "error", err)
+		if strings.Contains(err.Error(), "not found") {
+			c.JSON(http.StatusNotFound, model.Fail(http.StatusNotFound, "工程不存在"))
+			return
+		}
+		c.JSON(http.StatusInternalServerError, model.Fail(http.StatusInternalServerError, "删除工程失败"))
+		return
+	}
+
+	c.JSON(http.StatusOK, model.OK(nil))
+}
+
+// GetStyle 获取工程风格。
+func GetStyle(c *gin.Context) {
+		userID := c.GetUint("userID")
+	if userID == 0 {
+		c.JSON(http.StatusUnauthorized, model.Fail(http.StatusUnauthorized, "未认证"))
+		return
+	}
+
+	projectIDStr := c.Param("projectId")
+	projectID, err := strconv.ParseUint(projectIDStr, 10, 32)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, model.Fail(http.StatusBadRequest, "无效的工程ID"))
+		return
+	}
+
+	projectSvc := service.GetProjectService()
+	style, err := projectSvc.GetStyle(c.Request.Context(), userID, uint(projectID))
+	if err != nil {
+		logger.FromCtx(c.Request.Context()).Error("get style failed", "error", err)
+		if strings.Contains(err.Error(), "not found") {
+			c.JSON(http.StatusNotFound, model.Fail(http.StatusNotFound, "工程不存在"))
+			return
+		}
+		c.JSON(http.StatusInternalServerError, model.Fail(http.StatusInternalServerError, "获取工程风格失败"))
+		return
+	}
+
+	c.JSON(http.StatusOK, model.OK(map[string]interface{}{
+		"kvPairs": style,
+	}))
+}
+
+// UpdateStyle 更新工程风格。
+func UpdateStyle(c *gin.Context) {
+		userID := c.GetUint("userID")
+	if userID == 0 {
+		c.JSON(http.StatusUnauthorized, model.Fail(http.StatusUnauthorized, "未认证"))
+		return
+	}
+
+	projectIDStr := c.Param("projectId")
+	projectID, err := strconv.ParseUint(projectIDStr, 10, 32)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, model.Fail(http.StatusBadRequest, "无效的工程ID"))
+		return
+	}
+
+	var req UpdateStyleRequest
+	if err := c.ShouldBindJSON(&req); err != nil {
+		c.JSON(http.StatusBadRequest, model.Fail(http.StatusBadRequest, "参数错误: "+err.Error()))
+		return
+	}
+
+	projectSvc := service.GetProjectService()
+	err = projectSvc.UpdateStyle(c.Request.Context(), userID, uint(projectID), req.KvPairs)
+	if err != nil {
+		logger.FromCtx(c.Request.Context()).Error("update style failed", "error", err)
+		if strings.Contains(err.Error(), "not found") {
+			c.JSON(http.StatusNotFound, model.Fail(http.StatusNotFound, "工程不存在"))
+			return
+		}
+		c.JSON(http.StatusInternalServerError, model.Fail(http.StatusInternalServerError, "更新工程风格失败"))
+		return
+	}
+
+	c.JSON(http.StatusOK, model.OK(nil))
+}
+
+// GetProjectTasks 获取工程下的任务列表。
+func GetProjectTasks(c *gin.Context) {
+		userID := c.GetUint("userID")
+	if userID == 0 {
+		c.JSON(http.StatusUnauthorized, model.Fail(http.StatusUnauthorized, "未认证"))
+		return
+	}
+
+	projectIDStr := c.Param("projectId")
+	projectID, err := strconv.ParseUint(projectIDStr, 10, 32)
+	if err != nil {
+		c.JSON(http.StatusBadRequest, model.Fail(http.StatusBadRequest, "无效的工程ID"))
+		return
+	}
+
+	projectSvc := service.GetProjectService()
+	tasks, err := projectSvc.GetTasks(c.Request.Context(), userID, uint(projectID))
+	if err != nil {
+		logger.FromCtx(c.Request.Context()).Error("get tasks failed", "error", err)
+		if strings.Contains(err.Error(), "not found") {
+			c.JSON(http.StatusNotFound, model.Fail(http.StatusNotFound, "工程不存在"))
+			return
+		}
+		c.JSON(http.StatusInternalServerError, model.Fail(http.StatusInternalServerError, "获取任务列表失败"))
+		return
+	}
+
+	c.JSON(http.StatusOK, model.OK(tasks))
+}
diff --git a/backend/internal/model/project.go b/backend/internal/model/project.go
new file mode 100644
index 0000000..d298c3f
--- /dev/null
+++ b/backend/internal/model/project.go
@@ -0,0 +1,43 @@
+package model
+
+import "time"
+
+// Project 工程数据模型，对应数据库表。
+type Project struct {
+	ID           uint      `gorm:"primaryKey" json:"id"`
+	UserID       uint      `gorm:"index" json:"-"` // 用户ID，用于权限控制
+	Name         string    `gorm:"size:100;not null" json:"name"`
+	CreatedAt    time.Time `json:"createdAt"`
+	UpdatedAt    time.Time `json:"updatedAt,omitempty"`
+}
+
+// ProjectStyleRecord 工程风格记录，用于存储键值对。
+type ProjectStyleRecord struct {
+	ID        uint      `gorm:"primaryKey" json:"id"`
+	ProjectID uint      `gorm:"index" json:"-"`
+	Key       string    `gorm:"size:50;not null" json:"-"`
+	Value     string    `gorm:"size:100;not null" json:"-"`
+	CreatedAt time.Time `json:"-"`
+}
+
+// ProjectResponse 工程响应，包含风格键值对和元数据。
+type ProjectResponse struct {
+	ID             string                 `json:"id"`
+	Name           string                 `json:"name"`
+	Style          *ProjectStyleResponse  `json:"style"`
+	CreatedAt      string                 `json:"createdAt"`
+	UpdatedAt      string                 `json:"updatedAt,omitempty"`
+	TaskCount      int                    `json:"taskCount,omitempty"`
+	LastActivityAt string                 `json:"lastActivityAt,omitempty"`
+}
+
+// ProjectStyleResponse 工程风格响应。
+type ProjectStyleResponse struct {
+	KvPairs map[string]string `json:"kvPairs"`
+}
+
+// ProjectsListResponse 工程列表响应。
+type ProjectsListResponse struct {
+	Total    int                `json:"total"`
+	Projects []ProjectResponse  `json:"projects"`
+}
diff --git a/backend/internal/model/task.go b/backend/internal/model/task.go
new file mode 100644
index 0000000..a62ab60
--- /dev/null
+++ b/backend/internal/model/task.go
@@ -0,0 +1,33 @@
+package model
+
+import "time"
+
+// Task 任务数据模型，对应数据库表。
+type Task struct {
+	ID         uint      `gorm:"primaryKey" json:"id"`
+	ProjectID  uint      `gorm:"index" json:"-"`
+	Prompt     string    `gorm:"type:text" json:"prompt"`
+	AssetType  string    `gorm:"size:50" json:"assetType"`
+	Status     string    `gorm:"size:20;default:'pending'" json:"status"`
+	Stage      string    `gorm:"size:50" json:"stage,omitempty"`
+	Progress   int       `gorm:"default:0" json:"progress"`
+	RetryCount int       `gorm:"default:0" json:"retryCount"`
+	Error      string    `gorm:"type:text" json:"error,omitempty"`
+	CreatedAt  time.Time `json:"createdAt"`
+	UpdatedAt  time.Time `json:"updatedAt,omitempty"`
+}
+
+// TaskResponse 任务响应。
+type TaskResponse struct {
+	ID         string `json:"id"`
+	ProjectID  string `json:"projectId"`
+	Prompt     string `json:"prompt"`
+	AssetType  string `json:"assetType"`
+	Status     string `json:"status"`
+	Stage      string `json:"stage,omitempty"`
+	Progress   int    `json:"progress"`
+	RetryCount int    `json:"retryCount"`
+	Error      string `json:"error,omitempty"`
+	CreatedAt  string `json:"createdAt"`
+	UpdatedAt  string `json:"updatedAt,omitempty"`
+}
diff --git a/backend/internal/service/project.go b/backend/internal/service/project.go
new file mode 100644
index 0000000..14138f3
--- /dev/null
+++ b/backend/internal/service/project.go
@@ -0,0 +1,272 @@
+package service
+
+import (
+	"context"
+	"errors"
+	"fmt"
+	"sync"
+	"time"
+
+	"gen2d/internal/model"
+	"gorm.io/gorm"
+)
+
+var (
+	projectService     *ProjectService
+	projectServiceOnce sync.Once
+)
+
+// ProjectService 工程管理服务。
+type ProjectService struct {
+	db *gorm.DB
+}
+
+// InitProjectService 初始化工程管理服务。
+func InitProjectService(db *gorm.DB) {
+	projectServiceOnce.Do(func() {
+		projectService = &ProjectService{db: db}
+	})
+}
+
+// GetProjectService 获取工程管理服务实例。
+func GetProjectService() *ProjectService {
+	return projectService
+}
+
+// CreateProject 创建工程。
+func (s *ProjectService) CreateProject(ctx context.Context, userID uint, name string, style map[string]string) (*model.ProjectResponse, error) {
+	project := &model.Project{
+		UserID:    userID,
+		Name:      name,
+		CreatedAt: time.Now(),
+	}
+
+	if err := s.db.WithContext(ctx).Create(project).Error; err != nil {
+		return nil, fmt.Errorf("create project failed: %w", err)
+	}
+
+	// 保存风格键值对
+	if err := s.saveStyle(ctx, project.ID, style); err != nil {
+		// 回滚工程创建
+		s.db.WithContext(ctx).Delete(project)
+		return nil, fmt.Errorf("save style failed: %w", err)
+	}
+
+	return s.toProjectResponse(project, style), nil
+}
+
+// ListProjects 获取用户工程列表。
+func (s *ProjectService) ListProjects(ctx context.Context, userID uint, page, pageSize int) (*model.ProjectsListResponse, error) {
+	var projects []model.Project
+	var total int64
+
+	offset := (page - 1) * pageSize
+
+	if err := s.db.WithContext(ctx).Model(&model.Project{}).Where("user_id = ?", userID).Count(&total).Error; err != nil {
+		return nil, fmt.Errorf("count projects failed: %w", err)
+	}
+
+	if err := s.db.WithContext(ctx).
+		Where("user_id = ?", userID).
+		Order("created_at DESC").
+		Limit(pageSize).
+		Offset(offset).
+		Find(&projects).Error; err != nil {
+		return nil, fmt.Errorf("list projects failed: %w", err)
+	}
+
+	response := &model.ProjectsListResponse{
+		Total:    int(total),
+		Projects: make([]model.ProjectResponse, len(projects)),
+	}
+
+	for i, p := range projects {
+		style, _ := s.getStyle(ctx, p.ID)
+		response.Projects[i] = *s.toProjectResponse(&p, style)
+	}
+
+	return response, nil
+}
+
+// GetProject 获取工程详情。
+func (s *ProjectService) GetProject(ctx context.Context, userID uint, projectID uint) (*model.ProjectResponse, error) {
+	var project model.Project
+	if err := s.db.WithContext(ctx).Where("id = ? AND user_id = ?", projectID, userID).First(&project).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, errors.New("project not found")
+		}
+		return nil, fmt.Errorf("get project failed: %w", err)
+	}
+
+	style, _ := s.getStyle(ctx, project.ID)
+	return s.toProjectResponse(&project, style), nil
+}
+
+// UpdateProject 更新工程信息。
+func (s *ProjectService) UpdateProject(ctx context.Context, userID uint, projectID uint, name string) (*model.ProjectResponse, error) {
+	var project model.Project
+	if err := s.db.WithContext(ctx).Where("id = ? AND user_id = ?", projectID, userID).First(&project).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, errors.New("project not found")
+		}
+		return nil, fmt.Errorf("get project failed: %w", err)
+	}
+
+	project.Name = name
+
+	if err := s.db.WithContext(ctx).Save(&project).Error; err != nil {
+		return nil, fmt.Errorf("update project failed: %w", err)
+	}
+
+	style, _ := s.getStyle(ctx, project.ID)
+	return s.toProjectResponse(&project, style), nil
+}
+
+// DeleteProject 删除工程。
+func (s *ProjectService) DeleteProject(ctx context.Context, userID uint, projectID uint) error {
+	var project model.Project
+	if err := s.db.WithContext(ctx).Where("id = ? AND user_id = ?", projectID, userID).First(&project).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return errors.New("project not found")
+		}
+		return fmt.Errorf("get project failed: %w", err)
+	}
+
+	return s.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
+		// 删除风格记录
+		if err := tx.Where("project_id = ?", projectID).Delete(&model.ProjectStyleRecord{}).Error; err != nil {
+			return fmt.Errorf("delete style records failed: %w", err)
+		}
+
+		// TODO: 删除任务和素材记录
+		// TODO: 删除七牛云对象
+
+		// 删除工程
+		if err := tx.Delete(&project).Error; err != nil {
+			return fmt.Errorf("delete project failed: %w", err)
+		}
+
+		return nil
+	})
+}
+
+// GetStyle 获取工程风格。
+func (s *ProjectService) GetStyle(ctx context.Context, userID uint, projectID uint) (map[string]string, error) {
+	var project model.Project
+	if err := s.db.WithContext(ctx).Where("id = ? AND user_id = ?", projectID, userID).First(&project).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, errors.New("project not found")
+		}
+		return nil, fmt.Errorf("get project failed: %w", err)
+	}
+
+	style, _ := s.getStyle(ctx, project.ID)
+	return style, nil
+}
+
+// UpdateStyle 更新工程风格。
+func (s *ProjectService) UpdateStyle(ctx context.Context, userID uint, projectID uint, kvPairs map[string]string) error {
+	var project model.Project
+	if err := s.db.WithContext(ctx).Where("id = ? AND user_id = ?", projectID, userID).First(&project).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return errors.New("project not found")
+		}
+		return fmt.Errorf("get project failed: %w", err)
+	}
+
+	return s.saveStyle(ctx, projectID, kvPairs)
+}
+
+// GetTasks 获取工程下的任务列表。
+func (s *ProjectService) GetTasks(ctx context.Context, userID uint, projectID uint) ([]model.TaskResponse, error) {
+	var project model.Project
+	if err := s.db.WithContext(ctx).Where("id = ? AND user_id = ?", projectID, userID).First(&project).Error; err != nil {
+		if errors.Is(err, gorm.ErrRecordNotFound) {
+			return nil, errors.New("project not found")
+		}
+		return nil, fmt.Errorf("get project failed: %w", err)
+	}
+
+	var tasks []model.Task
+	if err := s.db.WithContext(ctx).
+		Where("project_id = ?", projectID).
+		Order("created_at DESC").
+		Find(&tasks).Error; err != nil {
+		return nil, fmt.Errorf("get tasks failed: %w", err)
+	}
+
+	response := make([]model.TaskResponse, len(tasks))
+	for i, t := range tasks {
+		response[i] = model.TaskResponse{
+			ID:         fmt.Sprintf("%d", t.ID),
+			ProjectID:  fmt.Sprintf("%d", t.ProjectID),
+			Prompt:     t.Prompt,
+			AssetType:  t.AssetType,
+			Status:     t.Status,
+			Stage:      t.Stage,
+			Progress:   t.Progress,
+			RetryCount: t.RetryCount,
+			Error:      t.Error,
+			CreatedAt:  t.CreatedAt.Format("2006-01-02T15:04:05Z07:00"),
+			UpdatedAt:  t.UpdatedAt.Format("2006-01-02T15:04:05Z07:00"),
+		}
+	}
+
+	return response, nil
+}
+
+func (s *ProjectService) saveStyle(ctx context.Context, projectID uint, style map[string]string) error {
+	return s.db.WithContext(ctx).Transaction(func(tx *gorm.DB) error {
+		// 删除现有风格记录
+		if err := tx.Where("project_id = ?", projectID).Delete(&model.ProjectStyleRecord{}).Error; err != nil {
+			return err
+		}
+
+		// 插入新记录
+		for key, value := range style {
+			record := &model.ProjectStyleRecord{
+				ProjectID: projectID,
+				Key:       key,
+				Value:     value,
+			}
+			if err := tx.Create(record).Error; err != nil {
+				return err
+			}
+		}
+
+		return nil
+	})
+}
+
+func (s *ProjectService) getStyle(ctx context.Context, projectID uint) (map[string]string, error) {
+	var records []model.ProjectStyleRecord
+	if err := s.db.WithContext(ctx).Where("project_id = ?", projectID).Find(&records).Error; err != nil {
+		return nil, err
+	}
+
+	style := make(map[string]string)
+	for _, r := range records {
+		style[r.Key] = r.Value
+	}
+
+	return style, nil
+}
+
+func (s *ProjectService) toProjectResponse(project *model.Project, style map[string]string) *model.ProjectResponse {
+	// 获取任务数量
+	var taskCount int64
+	s.db.Model(&model.Task{}).Where("project_id = ?", project.ID).Count(&taskCount)
+
+	styleResp := &model.ProjectStyleResponse{
+		KvPairs: style,
+	}
+
+	return &model.ProjectResponse{
+		ID:        fmt.Sprintf("%d", project.ID),
+		Name:      project.Name,
+		Style:     styleResp,
+		CreatedAt: project.CreatedAt.Format("2006-01-02T15:04:05Z07:00"),
+		UpdatedAt: project.UpdatedAt.Format("2006-01-02T15:04:05Z07:00"),
+		TaskCount: int(taskCount),
+	}
+}
diff --git a/docs/api.md b/docs/api.md
index 06948af..ecae802 100755
--- a/docs/api.md
+++ b/docs/api.md
@@ -217,12 +217,12 @@ POST /api/v1/prompt/optimize
 
 | 状态 | 方法 | 路径 | 说明 |
 |------|------|------|------|
-| [ ] | GET | `/api/v1/projects` | 获取当前用户的工程列表（前端已对接 mock） |
-| [ ] | POST | `/api/v1/projects` | 创建工程（前端已对接 mock） |
-| [ ] | GET | `/api/v1/projects/:projectId` | 获取工程信息 |
-| [ ] | PUT | `/api/v1/projects/:projectId` | 更新工程信息（如名称） |
-| [ ] | DELETE | `/api/v1/projects/:projectId` | 删除工程（级联删除任务和素材） |
-| [ ] | GET | `/api/v1/projects/:projectId/tasks` | 获取工程下的任务列表 |
+| [x] | GET | `/api/v1/projects` | 获取当前用户的工程列表（前端已对接 mock） |
+| [x] | POST | `/api/v1/projects` | 创建工程（前端已对接 mock） |
+| [x] | GET | `/api/v1/projects/:projectId` | 获取工程信息 |
+| [x] | PUT | `/api/v1/projects/:projectId` | 更新工程信息（如名称） |
+| [x] | DELETE | `/api/v1/projects/:projectId` | 删除工程（级联删除任务和素材） |
+| [x] | GET | `/api/v1/projects/:projectId/tasks` | 获取工程下的任务列表 |
 
 ### GET /api/v1/projects
 
@@ -355,8 +355,8 @@ POST /api/v1/prompt/optimize
 
 | 状态 | 方法 | 路径 | 说明 |
 |------|------|------|------|
-| [ ] | GET | `/api/v1/projects/:projectId/style` | 获取工程风格 |
-| [ ] | PUT | `/api/v1/projects/:projectId/style` | 更新工程风格 |
+| [x] | GET | `/api/v1/projects/:projectId/style` | 获取工程风格 |
+| [x] | PUT | `/api/v1/projects/:projectId/style` | 更新工程风格 |
 
 请求体示例 (PUT /api/v1/projects/:projectId/style)：
 
diff --git a/frontend/src/api/edit.ts b/frontend/src/api/edit.ts
new file mode 100644
index 0000000..a14525b
--- /dev/null
+++ b/frontend/src/api/edit.ts
@@ -0,0 +1,22 @@
+import { post } from './client'
+
+export interface EditImageRequest {
+  image: string // base64 编码
+  prompt: string
+  count?: number
+}
+
+export interface EditAssetResponse {
+  data: string // base64 编码
+  format: string
+}
+
+export interface EditImageResponse {
+  assets: EditAssetResponse[]
+}
+
+export async function editImage(
+  req: EditImageRequest,
+): Promise<EditImageResponse> {
+  return post<EditImageResponse>('/api/v1/images/edit', req)
+}
diff --git a/frontend/src/api/health.ts b/frontend/src/api/health.ts
new file mode 100644
index 0000000..79c6764
--- /dev/null
+++ b/frontend/src/api/health.ts
@@ -0,0 +1,9 @@
+import { get } from './client'
+
+export interface HealthResponse {
+  status: string
+}
+
+export async function getHealth(): Promise<HealthResponse> {
+  return get<HealthResponse>('/api/v1/health')
+}
diff --git a/frontend/src/api/project.ts b/frontend/src/api/project.ts
index a87d19c..5b68e67 100755
--- a/frontend/src/api/project.ts
+++ b/frontend/src/api/project.ts
@@ -1,64 +1,60 @@
 import type { Project, Task } from './types'
-import {
-  mockListProjects,
-  mockGetProject,
-  mockCreateProject,
-  mockDeleteProject,
-  mockUpdateProject,
-  mockGetStyle,
-  mockSaveStyle,
-  mockGetTasks,
-} from './mock'
+import { get, post, put, del } from './client'
 
-const USE_MOCK = true
+export async function listProjects(
+  page?: number,
+  pageSize?: number
+): Promise<Project[]> {
+  const params = new URLSearchParams()
+  if (page !== undefined) params.set('page', String(page))
+  if (pageSize !== undefined) params.set('pageSize', String(pageSize))
 
-export async function listProjects(): Promise<Project[]> {
-  if (USE_MOCK) return mockListProjects()
-  throw new Error('Not implemented')
+  const url = `/api/v1/projects${params.toString() ? '?' + params : ''}`
+  const resp = await get<{
+    total: number
+    projects: Project[]
+  }>(url)
+  return resp.projects
 }
 
 export async function getProject(projectId: string): Promise<Project> {
-  if (USE_MOCK) return mockGetProject(projectId)
-  throw new Error('Not implemented')
+  return get<Project>(`/api/v1/projects/${projectId}`)
 }
 
 export async function createProject(
   name: string,
   style?: Record<string, string>
 ): Promise<Project> {
-  if (USE_MOCK) return mockCreateProject(name, style)
-  throw new Error('Not implemented')
+  return post<Project>('/api/v1/projects', { name, style })
 }
 
 export async function deleteProject(projectId: string): Promise<void> {
-  if (USE_MOCK) return mockDeleteProject(projectId)
-  throw new Error('Not implemented')
+  return del<void>(`/api/v1/projects/${projectId}`)
 }
 
 export async function updateProject(
   projectId: string,
-  data: { name?: string }
+  data: { name: string }
 ): Promise<Project> {
-  if (USE_MOCK) return mockUpdateProject(projectId, data)
-  throw new Error('Not implemented')
+  return put<Project>(`/api/v1/projects/${projectId}`, data)
 }
 
 export async function getStyle(
   projectId: string
 ): Promise<Record<string, string>> {
-  if (USE_MOCK) return mockGetStyle(projectId)
-  throw new Error('Not implemented')
+  const resp = await get<{ kvPairs: Record<string, string> }>(
+    `/api/v1/projects/${projectId}/style`
+  )
+  return resp.kvPairs
 }
 
 export async function saveStyle(
   projectId: string,
   kvPairs: Record<string, string>
 ): Promise<void> {
-  if (USE_MOCK) return mockSaveStyle(projectId, kvPairs)
-  throw new Error('Not implemented')
+  return put<void>(`/api/v1/projects/${projectId}/style`, { kvPairs })
 }
 
 export async function getTasks(projectId: string): Promise<Task[]> {
-  if (USE_MOCK) return mockGetTasks(projectId)
-  throw new Error('Not implemented')
+  return get<Task[]>(`/api/v1/projects/${projectId}/tasks`)
 }