diff --git a/src/pkg/retention/job.go b/src/pkg/retention/job.go
index bce40e427..5f3254ac8 100644
--- a/src/pkg/retention/job.go
+++ b/src/pkg/retention/job.go
@@ -20,10 +20,9 @@ import (
 	"strings"
 	"time"
 
-	"github.com/goharbor/harbor/src/pkg/retention/dep"
-
 	"github.com/goharbor/harbor/src/jobservice/job"
 	"github.com/goharbor/harbor/src/jobservice/logger"
+	"github.com/goharbor/harbor/src/pkg/retention/dep"
 	"github.com/goharbor/harbor/src/pkg/retention/policy"
 	"github.com/goharbor/harbor/src/pkg/retention/policy/lwp"
 	"github.com/goharbor/harbor/src/pkg/retention/res"
@@ -215,11 +214,17 @@ func getParamRepo(params job.Parameters) (*res.Repository, error) {
 		return nil, errors.Errorf("missing parameter: %s", ParamRepo)
 	}
 
-	repo, ok := v.(*res.Repository)
+	fmt.Printf("%T", v)
+	repoMap, ok := v.(map[string]interface{})
 	if !ok {
 		return nil, errors.Errorf("invalid parameter: %s", ParamRepo)
 	}
 
+	repo := &res.Repository{}
+	if err := repo.FromMap(repoMap); err != nil {
+		return nil, fmt.Errorf("failed to convert map to repository: %v", err)
+	}
+
 	return repo, nil
 }
 
@@ -229,10 +234,15 @@ func getParamMeta(params job.Parameters) (*lwp.Metadata, error) {
 		return nil, errors.Errorf("missing parameter: %s", ParamMeta)
 	}
 
-	meta, ok := v.(*lwp.Metadata)
+	metaMap, ok := v.(map[string]interface{})
 	if !ok {
 		return nil, errors.Errorf("invalid parameter: %s", ParamMeta)
 	}
 
+	meta := &lwp.Metadata{}
+	if err := meta.FromMap(metaMap); err != nil {
+		return nil, fmt.Errorf("failed to convert map to metadata: %v", err)
+	}
+
 	return meta, nil
 }
diff --git a/src/pkg/retention/job_test.go b/src/pkg/retention/job_test.go
index 70a690687..56902b2a5 100644
--- a/src/pkg/retention/job_test.go
+++ b/src/pkg/retention/job_test.go
@@ -16,6 +16,7 @@ package retention
 
 import (
 	"context"
+	"encoding/json"
 	"errors"
 	"fmt"
 	"testing"
@@ -77,11 +78,14 @@ func (suite *JobTestSuite) TearDownSuite() {
 func (suite *JobTestSuite) TestRunSuccess() {
 	params := make(job.Parameters)
 	params[ParamDryRun] = false
-	params[ParamRepo] = &res.Repository{
+	repository := &res.Repository{
 		Namespace: "library",
 		Name:      "harbor",
 		Kind:      res.Image,
 	}
+	repoMap, err := toMap(repository)
+	require.Nil(suite.T(), err)
+	params[ParamRepo] = repoMap
 
 	scopeSelectors := make(map[string][]*rule.Selector)
 	scopeSelectors["project"] = []*rule.Selector{{
@@ -93,7 +97,7 @@ func (suite *JobTestSuite) TestRunSuccess() {
 	ruleParams := make(rule.Parameters)
 	ruleParams[latestk.ParameterK] = 10
 
-	params[ParamMeta] = &lwp.Metadata{
+	meta := &lwp.Metadata{
 		Algorithm: policy.AlgorithmOR,
 		Rules: []*rule.Metadata{
 			{
@@ -115,9 +119,12 @@ func (suite *JobTestSuite) TestRunSuccess() {
 			},
 		},
 	}
+	metaMap, err := toMap(meta)
+	require.Nil(suite.T(), err)
+	params[ParamMeta] = metaMap
 
 	j := &Job{}
-	err := j.Validate(params)
+	err = j.Validate(params)
 	require.NoError(suite.T(), err)
 
 	err = j.Run(&fakeJobContext{}, params)
@@ -232,3 +239,15 @@ func (c *fakeJobContext) GetLogger() logger.Interface {
 func (c *fakeJobContext) Tracker() job.Tracker {
 	return nil
 }
+
+func toMap(v interface{}) (map[string]interface{}, error) {
+	data, err := json.Marshal(v)
+	if err != nil {
+		return nil, err
+	}
+	m := map[string]interface{}{}
+	if err = json.Unmarshal(data, &m); err != nil {
+		return nil, err
+	}
+	return m, nil
+}
diff --git a/src/pkg/retention/launcher.go b/src/pkg/retention/launcher.go
index 92006ce63..8d5c13265 100644
--- a/src/pkg/retention/launcher.go
+++ b/src/pkg/retention/launcher.go
@@ -205,7 +205,7 @@ func (l *launcher) Launch(ply *policy.Metadata, executionID int64, isDryRun bool
 			Metadata: &models.JobMetadata{
 				JobKind: job.KindGeneric,
 			},
-			StatusHook: fmt.Sprintf("%s/service/notifications/jobs/retention/tasks/%d", l.internalCoreURL, jobData.taskID),
+			StatusHook: fmt.Sprintf("%s/service/notifications/jobs/retention/task/%d", l.internalCoreURL, jobData.taskID),
 		}
 		j.Name = job.Retention
 		j.Parameters = map[string]interface{}{
diff --git a/src/pkg/retention/policy/lwp/models.go b/src/pkg/retention/policy/lwp/models.go
index 4066e68b5..9a0c80ba6 100644
--- a/src/pkg/retention/policy/lwp/models.go
+++ b/src/pkg/retention/policy/lwp/models.go
@@ -15,7 +15,11 @@
 // Package lwp = lightweight policy
 package lwp
 
-import "github.com/goharbor/harbor/src/pkg/retention/policy/rule"
+import (
+	"encoding/json"
+
+	"github.com/goharbor/harbor/src/pkg/retention/policy/rule"
+)
 
 // Metadata contains partial metadata of policy
 // It's a lightweight version of policy.Metadata
@@ -27,3 +31,15 @@ type Metadata struct {
 	// Rule collection
 	Rules []*rule.Metadata `json:"rules"`
 }
+
+// FromMap constructs the metadata struct from map
+func (meta *Metadata) FromMap(m map[string]interface{}) error {
+	mdata, err := json.Marshal(&m)
+	if err != nil {
+		return err
+	}
+	if err := json.Unmarshal(mdata, meta); err != nil {
+		return err
+	}
+	return nil
+}
diff --git a/src/pkg/retention/res/candidate.go b/src/pkg/retention/res/candidate.go
index 4e177cb85..002b73892 100644
--- a/src/pkg/retention/res/candidate.go
+++ b/src/pkg/retention/res/candidate.go
@@ -16,6 +16,7 @@ package res
 
 import (
 	"encoding/base64"
+	"encoding/json"
 	"fmt"
 )
 
@@ -37,6 +38,18 @@ type Repository struct {
 	Kind string
 }
 
+// FromMap constructs the repository struct from map
+func (r *Repository) FromMap(m map[string]interface{}) error {
+	mdata, err := json.Marshal(&m)
+	if err != nil {
+		return err
+	}
+	if err := json.Unmarshal(mdata, r); err != nil {
+		return err
+	}
+	return nil
+}
+
 // Candidate for retention processor to match
 type Candidate struct {
 	// Namespace(project) ID
diff --git a/src/pkg/retention/res/selectors/doublestar/selector.go b/src/pkg/retention/res/selectors/doublestar/selector.go
index 1a2051338..fcbb628b9 100644
--- a/src/pkg/retention/res/selectors/doublestar/selector.go
+++ b/src/pkg/retention/res/selectors/doublestar/selector.go
@@ -17,7 +17,6 @@ package doublestar
 import (
 	"github.com/bmatcuk/doublestar"
 	"github.com/goharbor/harbor/src/pkg/retention/res"
-	"github.com/goharbor/harbor/src/pkg/retention/res/selectors"
 )
 
 const (
@@ -101,15 +100,3 @@ func match(pattern, str string) (bool, error) {
 	}
 	return doublestar.Match(pattern, str)
 }
-
-func init() {
-	// Register doublestar selector
-	selectors.Register(Kind, []string{
-		Matches,
-		Excludes,
-		RepoMatches,
-		RepoExcludes,
-		NSMatches,
-		NSExcludes,
-	}, New)
-}
diff --git a/src/pkg/retention/res/selectors/index.go b/src/pkg/retention/res/selectors/index.go
index 073a7ca25..06a86293b 100644
--- a/src/pkg/retention/res/selectors/index.go
+++ b/src/pkg/retention/res/selectors/index.go
@@ -15,11 +15,25 @@
 package selectors
 
 import (
-	"github.com/goharbor/harbor/src/pkg/retention/res"
-	"github.com/pkg/errors"
 	"sync"
+
+	"github.com/goharbor/harbor/src/pkg/retention/res"
+	"github.com/goharbor/harbor/src/pkg/retention/res/selectors/doublestar"
+	"github.com/pkg/errors"
 )
 
+func init() {
+	// Register doublestar selector
+	Register(doublestar.Kind, []string{
+		doublestar.Matches,
+		doublestar.Excludes,
+		doublestar.RepoMatches,
+		doublestar.RepoExcludes,
+		doublestar.NSMatches,
+		doublestar.NSExcludes,
+	}, doublestar.New)
+}
+
 // index for keeping the mapping between selector meta and its implementation
 var index sync.Map