diff --git a/internal/repository/user.go b/internal/repository/user.go
new file mode 100644
index 0000000..35f035a
--- /dev/null
+++ b/internal/repository/user.go
@@ -0,0 +1,76 @@
+package repository
+
+import (
+	"gotest/internal/model"
+
+	"gorm.io/gorm"
+)
+
+// UserRepository 用户数据访问层
+type UserRepository struct {
+	db *gorm.DB
+}
+
+// NewUserRepository 创建用户仓库实例
+func NewUserRepository(db *gorm.DB) *UserRepository {
+	return &UserRepository{db: db}
+}
+
+// Create 创建用户
+func (r *UserRepository) Create(user *model.User) error {
+	return r.db.Create(user).Error
+}
+
+// FindByUsername 根据用户名查询用户
+func (r *UserRepository) FindByUsername(username string) (*model.User, error) {
+	var user model.User
+	if err := r.db.Where("username = ?", username).First(&user).Error; err != nil {
+		return nil, err
+	}
+	return &user, nil
+}
+
+// FindByID 根据 ID 查询用户
+func (r *UserRepository) FindByID(id uint) (*model.User, error) {
+	var user model.User
+	if err := r.db.First(&user, id).Error; err != nil {
+		return nil, err
+	}
+	return &user, nil
+}
+
+// Update 更新用户信息
+func (r *UserRepository) Update(user *model.User) error {
+	return r.db.Save(user).Error
+}
+
+// Delete 软删除用户
+func (r *UserRepository) Delete(id uint) error {
+	return r.db.Delete(&model.User{}, id).Error
+}
+
+// List 分页查询用户列表
+func (r *UserRepository) List(page, pageSize int) ([]model.User, int64, error) {
+	var users []model.User
+	var total int64
+
+	if err := r.db.Model(&model.User{}).Count(&total).Error; err != nil {
+		return nil, 0, err
+	}
+
+	offset := (page - 1) * pageSize
+	if err := r.db.Order("id DESC").Offset(offset).Limit(pageSize).Find(&users).Error; err != nil {
+		return nil, 0, err
+	}
+
+	return users, total, nil
+}
+
+// Count 统计用户总数
+func (r *UserRepository) Count() (int64, error) {
+	var count int64
+	if err := r.db.Model(&model.User{}).Count(&count).Error; err != nil {
+		return 0, err
+	}
+	return count, nil
+}