diff --git a/supernode/daemon/mgr/cdn/manager.go b/supernode/daemon/mgr/cdn/manager.go
index 4449c311a..61720bb71 100644
--- a/supernode/daemon/mgr/cdn/manager.go
+++ b/supernode/daemon/mgr/cdn/manager.go
@@ -106,6 +106,15 @@ func (cm *Manager) TriggerCDN(ctx context.Context, task *types.TaskInfo) (*types
 	}, nil
 }
 
+// GetHTTPPath returns the http download path of taskID.
+func (cm *Manager) GetHTTPPath(ctx context.Context, taskID string) (string, error) {
+	info, err := cm.cacheStore.Stat(ctx, getDownloadRawFunc(taskID))
+	if err != nil {
+		return "", err
+	}
+	return info.Path, nil
+}
+
 // GetStatus get the status of the file.
 func (cm *Manager) GetStatus(ctx context.Context, taskID string) (cdnStatus string, err error) {
 	return "", nil
diff --git a/supernode/daemon/mgr/cdn_mgr.go b/supernode/daemon/mgr/cdn_mgr.go
index 6e385e34d..6dd6ddf5f 100644
--- a/supernode/daemon/mgr/cdn_mgr.go
+++ b/supernode/daemon/mgr/cdn_mgr.go
@@ -19,6 +19,9 @@ type CDNMgr interface {
 	// In addition, it's not thread-safe.
 	TriggerCDN(ctx context.Context, taskInfo *types.TaskInfo) (*types.TaskInfo, error)
 
+	// GetHTTPPath returns the http download path of taskID.
+	GetHTTPPath(ctx context.Context, taskID string) (path string, err error)
+
 	// GetStatus get the status of the file.
 	GetStatus(ctx context.Context, taskID string) (cdnStatus string, err error)
 
diff --git a/supernode/daemon/mgr/mock/mock_cdn_mgr.go b/supernode/daemon/mgr/mock/mock_cdn_mgr.go
index 80d8dfb9e..208b5922c 100644
--- a/supernode/daemon/mgr/mock/mock_cdn_mgr.go
+++ b/supernode/daemon/mgr/mock/mock_cdn_mgr.go
@@ -51,6 +51,21 @@ func (mr *MockCDNMgrMockRecorder) TriggerCDN(ctx, taskInfo interface{}) *gomock.
 	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "TriggerCDN", reflect.TypeOf((*MockCDNMgr)(nil).TriggerCDN), ctx, taskInfo)
 }
 
+// GetHTTPPath mocks base method
+func (m *MockCDNMgr) GetHTTPPath(ctx context.Context, taskID string) (string, error) {
+	m.ctrl.T.Helper()
+	ret := m.ctrl.Call(m, "GetHTTPPath", ctx, taskID)
+	ret0, _ := ret[0].(string)
+	ret1, _ := ret[1].(error)
+	return ret0, ret1
+}
+
+// GetHTTPPath indicates an expected call of GetHTTPPath
+func (mr *MockCDNMgrMockRecorder) GetHTTPPath(ctx, taskID interface{}) *gomock.Call {
+	mr.mock.ctrl.T.Helper()
+	return mr.mock.ctrl.RecordCallWithMethodType(mr.mock, "GetHTTPPath", reflect.TypeOf((*MockCDNMgr)(nil).GetHTTPPath), ctx, taskID)
+}
+
 // GetStatus mocks base method
 func (m *MockCDNMgr) GetStatus(ctx context.Context, taskID string) (string, error) {
 	m.ctrl.T.Helper()
diff --git a/supernode/store/local_storage.go b/supernode/store/local_storage.go
index aae58fc48..6f08d7b4d 100644
--- a/supernode/store/local_storage.go
+++ b/supernode/store/local_storage.go
@@ -247,7 +247,7 @@ func (ls *localStorage) PutBytes(ctx context.Context, raw *Raw, data []byte) err
 
 // Stat determine whether the file exists.
 func (ls *localStorage) Stat(ctx context.Context, raw *Raw) (*StorageInfo, error) {
-	path, fileInfo, err := ls.statPath(raw.Bucket, raw.Key)
+	_, fileInfo, err := ls.statPath(raw.Bucket, raw.Key)
 	if err != nil {
 		return nil, err
 	}
@@ -257,7 +257,7 @@ func (ls *localStorage) Stat(ctx context.Context, raw *Raw) (*StorageInfo, error
 		return nil, fmt.Errorf("get create time error")
 	}
 	return &StorageInfo{
-		Path:       path,
+		Path:       path.Join(raw.Bucket, raw.Key),
 		Size:       fileInfo.Size(),
 		CreateTime: util.Ctime(sys),
 		ModTime:    fileInfo.ModTime(),
diff --git a/supernode/store/local_storage_test.go b/supernode/store/local_storage_test.go
index b657511b9..02e7b2e52 100644
--- a/supernode/store/local_storage_test.go
+++ b/supernode/store/local_storage_test.go
@@ -323,7 +323,7 @@ func (s *LocalStorageSuite) checkStat(raw *Raw, c *check.C) {
 	sys, _ := util.GetSys(f)
 
 	c.Assert(info, check.DeepEquals, &StorageInfo{
-		Path:       pathTemp,
+		Path:       path.Join(raw.Bucket, raw.Key),
 		Size:       f.Size(),
 		ModTime:    f.ModTime(),
 		CreateTime: util.Ctime(sys),