diff --git a/service/appstore_management.go b/service/appstore_management.go
index b06415d8..e3151097 100644
--- a/service/appstore_management.go
+++ b/service/appstore_management.go
@@ -15,6 +15,7 @@ import (
 	"github.com/IceWhaleTech/CasaOS-Common/utils/file"
 	"github.com/IceWhaleTech/CasaOS-Common/utils/logger"
 	"github.com/bluele/gcache"
+	"github.com/docker/docker/client"
 	"github.com/samber/lo"
 	"go.uber.org/zap"
 )
@@ -530,6 +531,14 @@ func (a *AppStoreManagement) isUpdateAvailable(composeApp *ComposeApp) (bool, er
 	return a.IsUpdateAvailableWith(composeApp, storeComposeApp)
 }
 
+// the patch is have no choice
+// the digest compare is not work for these images
+// I don't know why, but I have to do this
+// I will remove the patch after I rewrite the digest compare
+var NoUpdateBlacklist = []string{
+	"johnguan/stable-diffusion-webui:latest",
+}
+
 func (a *AppStoreManagement) IsUpdateAvailableWith(composeApp *ComposeApp, storeComposeApp *ComposeApp) (bool, error) {
 	currentTag, err := composeApp.MainTag()
 	if err != nil {
@@ -542,12 +551,33 @@ func (a *AppStoreManagement) IsUpdateAvailableWith(composeApp *ComposeApp, store
 		return false, err
 	}
 	if lo.Contains(common.NeedCheckDigestTags, currentTag) {
+		ctx := context.Background()
+		cli, clientErr := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation())
+		if clientErr != nil {
+			logger.Error("failed to create docker client", zap.Error(clientErr))
+			return false, clientErr
+		}
+		defer cli.Close()
 
-		_, _ = docker.ExtractImageAndTag(mainService.Image)
-		// TODO: refactor this.
-		// need to check the digest of the image
-		// to see if the image is updated
-		return false, nil
+		if lo.Contains(NoUpdateBlacklist, mainService.Image) {
+			return false, nil
+		}
+
+		image, _ := docker.ExtractImageAndTag(mainService.Image)
+
+		imageInfo, _, clientErr := cli.ImageInspectWithRaw(ctx, image)
+		if clientErr != nil {
+			logger.Error("failed to inspect image", zap.Error(clientErr))
+			return false, clientErr
+		}
+
+		match, clientErr := docker.CompareDigest(mainService.Image, imageInfo.RepoDigests)
+		if clientErr != nil {
+			logger.Error("failed to compare digest", zap.Error(clientErr))
+			return false, clientErr
+		}
+		// match means no update available
+		return !match, nil
 	}
 	storeTag, err := storeComposeApp.MainTag()
 	return currentTag != storeTag, err
diff --git a/service/compose_app.go b/service/compose_app.go
index 7a17467f..3e223105 100644
--- a/service/compose_app.go
+++ b/service/compose_app.go
@@ -211,9 +211,19 @@ func (a *ComposeApp) Update(ctx context.Context) error {
 
 	for _, service := range storeComposeApp.Services {
 		localComposeAppService := a.App(service.Name)
-		localComposeAppService.Image = service.Image
+
+		for _, tag := range common.NeedCheckDigestTags {
+			if strings.HasSuffix(service.Image, tag) {
+				// keep latest
+			} else {
+				localComposeAppService.Image = service.Image
+			}
+		}
 	}
 
+	// the code is need by stable diffusion.
+	removeRuntime(a)
+
 	newComposeYAML, err := yaml.Marshal(a)
 	if err != nil {
 		return err
@@ -914,14 +924,30 @@ func LoadComposeAppFromConfigFile(appID string, configFile string) (*ComposeApp,
 	return (*ComposeApp)(project), err
 }
 
+var gpuCache *([]external.GPUInfo) = nil
+
 func removeRuntime(a *ComposeApp) {
-	for i := range a.Services {
-		a.Services[i].Runtime = ""
+	if config.RemoveRuntimeIfNoNvidiaGPUFlag {
+
+		// if gpuCache is nil, it means it is first time fetching gpu info
+		if gpuCache == nil {
+			value, err := external.GPUInfoList()
+			if err != nil {
+				gpuCache = &([]external.GPUInfo{})
+			} else {
+				gpuCache = &value
+			}
+
+			// without nvidia-smi 	// no gpu or first time fetching gpu info failed
+		}
+		if len(*gpuCache) == 0 {
+			for i := range a.Services {
+				a.Services[i].Runtime = ""
+			}
+		}
 	}
 }
 
-var gpuCache *([]external.GPUInfo) = nil
-
 func NewComposeAppFromYAML(yaml []byte, skipInterpolation, skipValidation bool) (*ComposeApp, error) {
 	tmpWorkingDir, err := os.MkdirTemp("", "casaos-compose-app-*")
 	if err != nil {
@@ -1002,22 +1028,7 @@ func NewComposeAppFromYAML(yaml []byte, skipInterpolation, skipValidation bool)
 		composeApp.SetTitle(composeApp.Name, common.DefaultLanguage)
 	}
 
-	if config.RemoveRuntimeIfNoNvidiaGPUFlag {
-		// if gpuCache is nil, it means it is first time fetching gpu info
-		if gpuCache == nil {
-			value, err := external.GPUInfoList()
-			if err != nil {
-				gpuCache = &([]external.GPUInfo{})
-			} else {
-				gpuCache = &value
-			}
-		}
-
-		// without nvidia-smi 	// no gpu or first time fetching gpu info failed
-		if err != nil || len(*gpuCache) == 0 {
-			removeRuntime(composeApp)
-		}
-	}
+	removeRuntime(composeApp)
 
 	// pass icon information to v1 label for backward compatibility, because we are
 	// still using `func getContainerStats()` from `container.go` to get container stats