diff --git a/backend/app/service/website_utils.go b/backend/app/service/website_utils.go
index 05e8bd726..ba421c25e 100644
--- a/backend/app/service/website_utils.go
+++ b/backend/app/service/website_utils.go
@@ -719,7 +719,6 @@ func getWebsiteDomains(domains string, defaultPort int, websiteID uint) (domainM
 	}
 
 	for port := range ports {
-		addPorts = append(addPorts, port)
 		if existPorts, _ := websiteDomainRepo.GetBy(websiteDomainRepo.WithPort(port)); len(existPorts) == 0 {
 			errMap := make(map[string]interface{})
 			errMap["port"] = port
@@ -742,6 +741,9 @@ func getWebsiteDomains(domains string, defaultPort int, websiteID uint) (domainM
 				return
 			}
 		}
+		if existPorts, _ := websiteDomainRepo.GetBy(websiteDomainRepo.WithWebsiteId(websiteID), websiteDomainRepo.WithPort(port)); len(existPorts) == 0 {
+			addPorts = append(addPorts, port)
+		}
 	}
 
 	return