diff --git a/image_recover_tool/image-check/daemon/commands/check/check.go b/image_recover_tool/image-check/daemon/commands/check/check.go
index 707b490f042e04c295eb6a315f0e5b25ea196027..384bdb9418741bf76eca0b6b79dda2d9b71d5d4d 100644
--- a/image_recover_tool/image-check/daemon/commands/check/check.go
+++ b/image_recover_tool/image-check/daemon/commands/check/check.go
@@ -35,12 +35,17 @@ var overlay2Command = cli.Command{
 			Name:  "quiet, q",
 			Usage: "Only show numeric IDs",
 		},
+		cli.BoolFlag{
+                        Name:  "remove, rm",
+                        Usage: "remove isolated chain metadata directory",
+                },
 	},
 	Action: func(context *cli.Context) error {
 		var (
 			long  = context.Bool("long")
 			fast  = context.Bool("fast")
 			quiet = context.Bool("quiet")
+			remove = context.Bool("remove")
 		)
 		client, err := commands.NewDaemon(context)
 		if err != nil {
@@ -62,6 +67,20 @@ var overlay2Command = cli.Command{
 			return fmt.Errorf("failed to check storage file: %v", err)
 		}
 		imageList := imageStore.GetErrImageList(chainIDList)
+		isolateChainList := imageStore.GetNoImageIDLayer(chainIDList)
+		if len(isolateChainList) != 0 {
+			 if remove {
+				if err = layerStore.RemoveLoneChainID(isolateChainList, quiet); err != nil {
+					return fmt.Errorf("failed to remove chainID: %v", err)
+				}
+			} else {
+				fmt.Println("can't find cacheid and imageid by chainid as follows:")
+					for _, loseid := range isolateChainList {
+						fmt.Println(loseid[7:])
+					}
+			}
+		}
+						 
 		if !quiet {
 			fmt.Println("ERROR IMAGE")
 		}
diff --git a/image_recover_tool/image-check/daemon/config/config.go b/image_recover_tool/image-check/daemon/config/config.go
index 6e18fa81acbeac14025ffd7fe0e131d7a2bb0f14..a9437990b36d43ef07e908f4d617a0453e418db0 100644
--- a/image_recover_tool/image-check/daemon/config/config.go
+++ b/image_recover_tool/image-check/daemon/config/config.go
@@ -35,7 +35,8 @@ func GetDockerRoot(dockerdConfigPath, root, driver string, storageIsolate string
 	if exist {
 		fileConfig, err := dc.getConfiguration(dockerdConfigPath)
 		if err != nil {
-			logrus.Warnf("Failed to get docker configuration file: %v", err)
+			logrus.Errorf("Failed to get docker configuration file: %v", err)
+			return nil, err	
 		}
 		if fileConfig.Root != "" {
 			dc.Root = fileConfig.Root
diff --git a/image_recover_tool/image-check/image/image.go b/image_recover_tool/image-check/image/image.go
index deaeb9296e0fc2c226c2482af83993606acf3a74..2760f5534c08737dc1ff51a4631a0b6a9022613e 100644
--- a/image_recover_tool/image-check/image/image.go
+++ b/image_recover_tool/image-check/image/image.go
@@ -12,9 +12,11 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
+
 type Store interface {
 	GetImageChainID(id string) ([]digest.Digest, error)
 	GetRelationImageList(id string) ([]string, error)
+	GetNoImageIDLayer(id []layer.ChainID) []layer.ChainID
 	GetErrImageList(id []layer.ChainID) []string
 	GetAllErrImageList(id []layer.ChainID) []string
 	RemoveErrImage(id string) error
@@ -93,6 +95,18 @@ func (is *store) getRelationImage(id string, chainID digest.Digest, imagesMap ma
 	return relationImages
 }
 
+// 考虑镜像的overlay2层有损坏，但无法获取对应镜像ID的情况
+func (is *store) GetNoImageIDLayer(chainID []layer.ChainID) []layer.ChainID {
+	var badchainid []layer.ChainID
+	for _, chain_id := range chainID {
+		_, ok := is.chainMap[digest.Digest(chain_id)]
+		if !ok {
+			badchainid = append(badchainid, chain_id)
+		}
+	}
+	return badchainid
+}
+
 // 根据chainID找到的错误镜像
 func (is *store) GetErrImageList(chainID []layer.ChainID) []string {
 	var badimageid []string
diff --git a/image_recover_tool/image-check/layer/check_overlay2.go b/image_recover_tool/image-check/layer/check_overlay2.go
index b2a31af34453923a22fb269177f19e8a480476a3..7764b5d6386905d367160c3a3723d4dc9e25c67d 100644
--- a/image_recover_tool/image-check/layer/check_overlay2.go
+++ b/image_recover_tool/image-check/layer/check_overlay2.go
@@ -149,6 +149,11 @@ func (d *Driver) Remove(id string, quiet bool) error {
 	}
 
 	dir := d.dir(id)
+	if _, err := os.Stat(dir); err != nil && os.IsNotExist(err) {
+			logrus.Warnf("Layer not exist: %v", err)
+                        return nil
+        }
+	
 	lid, err := ioutil.ReadFile(path.Clean(path.Join(dir, "link")))
 	if err == nil {
 		if len(lid) == 0 {
diff --git a/image_recover_tool/image-check/layer/layer_store.go b/image_recover_tool/image-check/layer/layer_store.go
index 3da6ee332bfd581f03db48a9aa2bc889030c6b50..86ddfb625d90ddd72c11494d64a1691f799a9feb 100644
--- a/image_recover_tool/image-check/layer/layer_store.go
+++ b/image_recover_tool/image-check/layer/layer_store.go
@@ -19,6 +19,7 @@ type DiffID digest.Digest
 type Store interface {
 	CheckStorageFile() ([]ChainID, error)
 	CheckStorageData([]digest.Digest) ([]ChainID, error)
+	RemoveLoneChainID([]ChainID, bool) error
 	RemoveErrChainID(flag bool) error
 	RemoveErrCacheID(flag bool) error
 	GerErrLayerID() []ChainID
@@ -283,6 +284,35 @@ func (ls *layerStore) GerErrCacheID() {
 		}
 	}
 }
+//deleted the isolate image layer which's data is correlated
+func (ls *layerStore) RemoveLoneChainID(chain_ids []ChainID, quiet bool) error {
+	if len(chain_ids) == 0 {
+		return nil
+	}
+
+	for _, chain_ID := range chain_ids {
+		cache_ID, ok := ls.storageMap[chain_ID]
+		dir := ls.store.getLayerDirectory(ChainID(chain_ID))
+		// removed metadate localed in layerdb directory
+		if err := os.RemoveAll(dir); err != nil && !os.IsNotExist(err) {
+			logrus.Errorf("Failed to remove %s: %v", dir, err)
+			return err
+		}
+		logrus.Infof("Deleted useless metadata directory: %s", dir)
+		if !quiet {
+			fmt.Println("Deleted useless metadata directory: ", dir)
+		}
+		//removed bad layer date localed in overlay2 directory
+		if ok {
+			if err := ls.driver.Remove(cache_ID, quiet); err != nil {
+				logrus.Errorf("Failed to remove layer %s", cache_ID)
+				return err
+			}
+		}
+	}
+
+	return nil
+}
 
 func (ls *layerStore) RemoveErrChainID(quiet bool) error {
 	if len(ls.errChainID) == 0 {