diff --git a/application/ssl.go b/application/ssl.go
index 5cc3743..8605584 100644
--- a/application/ssl.go
+++ b/application/ssl.go
@@ -3,6 +3,7 @@ package application
 import (
 	"autossl/domain/model"
 	"autossl/domain/service"
+	"autossl/infrastructure/acme"
 	"autossl/infrastructure/exception"
 	"autossl/infrastructure/util"
 	"github.com/labstack/echo/v4"
@@ -74,7 +75,7 @@ func Upload(c echo.Context) error {
 
 func Download(c echo.Context) error {
 	code := c.Param("code")
-	filePath := filepath.Join(service.CertPath, code)
+	filePath := filepath.Join(acme.CertPath, code)
 
 	etag, err := service.Etag(filePath)
 	if err != nil {
@@ -87,7 +88,7 @@ func Download(c echo.Context) error {
 
 func DownloadHead(c echo.Context) error {
 	code := c.Param("code")
-	filePath := filepath.Join(service.CertPath, code)
+	filePath := filepath.Join(acme.CertPath, code)
 
 	etag, err := service.Etag(filePath)
 	if err != nil {
diff --git a/domain/repository/cert_repository.go b/domain/repository/cert_repository.go
index 8345c0c..7d688c3 100644
--- a/domain/repository/cert_repository.go
+++ b/domain/repository/cert_repository.go
@@ -7,6 +7,7 @@ import (
 type CertRepository interface {
 	Create(cert *model.Cert) error
 	FindByDomain(domain string) (*model.Cert, error)
+	FindByCode(code string) (*model.Cert, error)
 	List() ([]*model.Cert, error)
 	Delete(code string) error
 }
diff --git a/domain/service/cert_service.go b/domain/service/cert_service.go
index 97c0e16..a7ce886 100644
--- a/domain/service/cert_service.go
+++ b/domain/service/cert_service.go
@@ -100,10 +100,17 @@ func ListCert() ([]*model.Cert, error) {
 }
 
 func DeleteCert(code string) error {
+	var err error
 	repo := &repository.CertRepo{
 		Db: database.Init(),
 	}
-	err := repo.Delete(code)
+
+	byCode, err := repo.FindByCode(code)
+	if err != nil {
+		return err
+	}
+
+	err = acme.Remove(byCode.Domain)
 	if err != nil {
 		return err
 	}
@@ -113,6 +120,11 @@ func DeleteCert(code string) error {
 		return err
 	}
 
+	err = repo.Delete(code)
+	if err != nil {
+		return err
+	}
+
 	return nil
 }
 
diff --git a/infrastructure/repository/cert_repository.go b/infrastructure/repository/cert_repository.go
index 9072bed..2a6c057 100644
--- a/infrastructure/repository/cert_repository.go
+++ b/infrastructure/repository/cert_repository.go
@@ -29,6 +29,14 @@ func (repo *CertRepo) FindByDomain(domain string) (*model.Cert, error) {
 	return ToModelCert(first), err
 }
 
+func (repo *CertRepo) FindByCode(code string) (*model.Cert, error) {
+	first, err := repo.Db.Cert.Query().Where(cert.CodeEQ(code)).Only(context.Background())
+	if err != nil {
+		return nil, err
+	}
+	return ToModelCert(first), err
+}
+
 func (repo *CertRepo) List() ([]*model.Cert, error) {
 	q := repo.Db.Cert.Query().
 		Order(ent.Desc(cert.FieldCreatedAt))