diff --git a/src/dao/user_certificate_dao.go b/src/dao/user_certificate_dao.go
new file mode 100644
index 0000000..f083f99
--- /dev/null
+++ b/src/dao/user_certificate_dao.go
@@ -0,0 +1,9 @@
+package dao
+
+import "code.fnuoos.com/EggPlanet/egg_models.git/src/model"
+
+type UserCertificateDao interface {
+	FindUserCertificate(page, limit, uid string) (*[]model.UserCertificate, error)
+	GetUserCertificateByNo(no string) (*model.UserCertificate, error)
+	GetUserCertificateById(id string) (*model.UserCertificate, error)
+}
diff --git a/src/implement/user_certificate_implement.go b/src/implement/user_certificate_implement.go
new file mode 100644
index 0000000..f82549b
--- /dev/null
+++ b/src/implement/user_certificate_implement.go
@@ -0,0 +1,55 @@
+package implement
+
+import (
+	"code.fnuoos.com/EggPlanet/egg_models.git/src/dao"
+	"code.fnuoos.com/EggPlanet/egg_models.git/src/model"
+	zhios_order_relate_utils "code.fnuoos.com/EggPlanet/egg_models.git/utils"
+	zhios_order_relate_logx "code.fnuoos.com/EggPlanet/egg_models.git/utils/logx"
+	"strings"
+	"xorm.io/xorm"
+)
+
+func NewUserCertificateDb(engine *xorm.Engine) dao.UserCertificateDao {
+	return &UserCertificateDb{Db: engine}
+}
+
+type UserCertificateDb struct {
+	Db *xorm.Engine
+}
+
+func (u UserCertificateDb) FindUserCertificate(page, limit, uid string) (*[]model.UserCertificate, error) {
+	var m []model.UserCertificate
+	sess := u.Db.Where("1=1")
+	if uid != "" {
+		sess.In("uid", strings.Split(uid, ","))
+	}
+	start := (zhios_order_relate_utils.StrToInt(page) - 1) * zhios_order_relate_utils.StrToInt(limit)
+	err := sess.Limit(zhios_order_relate_utils.StrToInt(limit), start).OrderBy("id desc").Find(&m)
+	if err != nil {
+		return nil, zhios_order_relate_logx.Error(err)
+	}
+	return &m, nil
+}
+
+func (u UserCertificateDb) GetUserCertificateByNo(no string) (m *model.UserCertificate, err error) {
+	m = new(model.UserCertificate)
+	has, err := u.Db.Where("no =?", no).Get(m)
+	if err != nil {
+		return nil, zhios_order_relate_logx.Error(err)
+	}
+	if has == false {
+		return nil, nil
+	}
+	return m, nil
+}
+func (u UserCertificateDb) GetUserCertificateById(id string) (m *model.UserCertificate, err error) {
+	m = new(model.UserCertificate)
+	has, err := u.Db.Where("id =?", id).Get(m)
+	if err != nil {
+		return nil, zhios_order_relate_logx.Error(err)
+	}
+	if has == false {
+		return nil, nil
+	}
+	return m, nil
+}