diff --git a/pkg/microservice/aslan/core/common/util/service.go b/pkg/microservice/aslan/core/common/util/service.go
index 173b412dca..1a64822f09 100644
--- a/pkg/microservice/aslan/core/common/util/service.go
+++ b/pkg/microservice/aslan/core/common/util/service.go
@@ -111,6 +111,29 @@ func FoldManualModulesInto(autos []*commonmodels.Container, manuals []*commonmod
 	return autos
 }
 
+// OverrideContainerImagesByName updates image fields for containers already
+// present in the target slice. Overrides with unknown names or unresolved
+// images are ignored.
+func OverrideContainerImagesByName(containers, overrides []*commonmodels.Container) {
+	containerByName := make(map[string]*commonmodels.Container, len(containers))
+	for _, container := range containers {
+		if container == nil || container.Name == "" {
+			continue
+		}
+		containerByName[container.Name] = container
+	}
+
+	for _, override := range overrides {
+		if override == nil || override.Image == "" || IsModuleImagePlaceholder(override.Image) {
+			continue
+		}
+		if container, ok := containerByName[override.Name]; ok {
+			container.Image = override.Image
+			container.ImageName = override.ImageName
+		}
+	}
+}
+
 func GetServiceDeployStrategy(serviceName string, strategyMap map[string]setting.ServiceDeployStrategy) setting.ServiceDeployStrategy {
 	if strategyMap == nil {
 		return setting.ServiceDeployStrategyDeploy
diff --git a/pkg/microservice/aslan/core/environment/service/environment.go b/pkg/microservice/aslan/core/environment/service/environment.go
index fe1edb5c0e..bf9f62a1f9 100644
--- a/pkg/microservice/aslan/core/environment/service/environment.go
+++ b/pkg/microservice/aslan/core/environment/service/environment.go
@@ -3076,15 +3076,12 @@ func upsertService(env *commonmodels.Product, newService *commonmodels.ProductSe
 	if prevSvc == nil {
 		fakeTemplateSvc := &commonmodels.Service{ServiceName: newService.ServiceName, ProductName: newService.ServiceName, KubeYamls: util.SplitYaml(parsedYaml)}
 		commonutil.SetCurrentContainerImages(fakeTemplateSvc)
-		// Merge instead of overwrite. fakeTemplateSvc.Containers is the
-		// auto set re-parsed from the just-rendered YAML — authoritative
-		// for env-resolved image values on Deployment/StatefulSet/etc.
-		// newService.Containers came in from the caller already carrying
-		// manual modules (CRD/DaemonSet declarations), so blindly clobbering
-		// it would drop those manuals — and for ConfigMap/CRD-only services
-		// fakeTemplateSvc.Containers is empty, which would persist an empty
-		// Containers slice into ProductService and break later renders.
-		newService.Containers = commonutil.FoldManualModulesInto(fakeTemplateSvc.Containers, newService.Containers)
+		// Keep the revision's module list (service_module) authoritative: a
+		// container that only appears in the rendered YAML — e.g. a deleted
+		// component still present in the template — is intentionally not added
+		// back. The YAML is used only to refresh images for containers that
+		// already exist in the module list.
+		commonutil.OverrideContainerImagesByName(newService.Containers, fakeTemplateSvc.Containers)
 	}
 
 	preResourceYaml := ""