diff --git a/debug/db.go b/debug/db.go
index 11dd48f..d241a40 100644
--- a/debug/db.go
+++ b/debug/db.go
@@ -32,17 +32,10 @@ func (k KeyInfo) String() string {
 
 func ToKeyInfo(k []byte, sessionId string) (KeyInfo, error) {
 	o := KeyInfo{}
-	//b := []byte(sessionId)
-
-//	if len(k) <= len(b) {
-//		return o, fmt.Errorf("storage key missing")
-//	}
-
+	
 	o.SessionId = sessionId
 	o.Typ = uint8(k[0])
 	k = k[1:]
-	//o.SessionId = string(k[:len(b)])
-	//k = k[len(b):]
 
 	if o.Typ == visedb.DATATYPE_USERDATA {
 		if len(k) == 0 {
@@ -64,17 +57,6 @@ func ToKeyInfo(k []byte, sessionId string) (KeyInfo, error) {
 	return o, nil
 }
 
-func FromKey(k []byte) (KeyInfo, error) {
-	o := KeyInfo{}
-
-	if len(k) < 3 {
-		return o, fmt.Errorf("insufficient key length: %d", len(k))
-	}
-
-	sessionIdBytes := k[1:len(k)-2]
-	return ToKeyInfo(k, string(sessionIdBytes))
-}
-
 func subTypToString(v storedb.DataTyp) string {
 	return dbTypStr[v + visedb.DATATYPE_USERDATA + 1]
 }
diff --git a/debug/db_test.go b/debug/db_test.go
index c8c4d30..4c89fa9 100644
--- a/debug/db_test.go
+++ b/debug/db_test.go
@@ -10,7 +10,6 @@ import (
 func TestDebugDbSubKeyInfo(t *testing.T) {
 	s := "foo"
 	b := []byte{0x20}
-	b = append(b, []byte(s)...)
 	b = append(b, []byte{0x00, 0x02}...)
 	r, err := ToKeyInfo(b, s)
 	if err != nil {
@@ -56,7 +55,6 @@ func TestDebugDbKeyInfo(t *testing.T) {
 func TestDebugDbKeyInfoRestore(t *testing.T) {
 	s := "bar"
 	b := []byte{visedb.DATATYPE_USERDATA}
-	b = append(b, []byte(s)...)
 	k := storedb.ToBytes(storedb.DATA_ACTIVE_SYM)
 	b = append(b, k...)
 
diff --git a/devtools/store/dump/main.go b/devtools/store/dump/main.go
index cd9304d..c1879bf 100644
--- a/devtools/store/dump/main.go
+++ b/devtools/store/dump/main.go
@@ -20,12 +20,12 @@ var (
 )
 
 func formatItem(k []byte, v []byte, sessionId string) (string, error) {
-	//o, err := debug.FromKey(k)
 	o, err := debug.ToKeyInfo(k, sessionId)
 	if err != nil {
 		return "", err
 	}
-	s := fmt.Sprintf("%vValue: %v\n\n", o, string(v))
+	s := fmt.Sprintf("%v\t%v\n", o.Label, string(v))
+
 	return s, nil
 }
 
@@ -37,6 +37,7 @@ func main() {
 	var database string
 	var engineDebug bool
 	var err error
+	var first bool
 
 	flag.StringVar(&sessionId, "session-id", "075xx2123", "session id")
 	flag.StringVar(&connStr, "c", "", "connection string")
@@ -80,6 +81,10 @@ func main() {
 		if k == nil {
 			break
 		}
+		if !first {
+			fmt.Printf("Session ID: %s\n---\n", sessionId)
+			first = true
+		}
 		r, err := formatItem(append([]byte{db.DATATYPE_USERDATA}, k...), v, sessionId)
 		if err != nil {
 			fmt.Fprintf(os.Stderr, "format db item error: %v\n", err)