diff --git a/src/redis-shake/common/configure.go b/src/redis-shake/common/configure.go
index ded51ea..8b38f27 100644
--- a/src/redis-shake/common/configure.go
+++ b/src/redis-shake/common/configure.go
@@ -141,8 +141,8 @@ func parseAddress(tp, address, redisType string, isSource bool) error {
 			setAddressList(isSource, address)
 		}
 	case conf.RedisTypeProxy:
-		if addressLen != 1 {
-			return fmt.Errorf("address[%v] length[%v] must == 1 when type is 'proxy'", addressLen, addressLen)
+		if isSource && addressLen != 1 {
+			return fmt.Errorf("address[%v] length[%v] must == 1 when type is 'proxy'", address, addressLen)
 		}
 		if isSource && tp != conf.TypeRump {
 			return fmt.Errorf("source.type == proxy should only happens when mode is 'rump'")
diff --git a/src/redis-shake/rump.go b/src/redis-shake/rump.go
index f7ace6b..cbc9e5f 100644
--- a/src/redis-shake/rump.go
+++ b/src/redis-shake/rump.go
@@ -83,6 +83,12 @@ func (cr *CmdRump) Main() {
 	cr.receiver()
 }
 
+/*------------------------------------------------------*/
+// one rump link corresponding to one dbRumper
+type dbRumper struct {
+
+}
+
 func (cr *CmdRump) fetcher(idx int) {
 	length, err := cr.scanners[idx].NodeCount()
 	if err != nil || length <= 0 {
@@ -94,7 +100,7 @@ func (cr *CmdRump) fetcher(idx int) {
 	// iterate all source nodes
 	for i := 0; i < length; i++ {
 		// fetch db number from 'info Keyspace'
-		dbNumber, err := cr.getSourceDbList(i)
+		dbNumber, err := cr.getSourceDbList(idx)
 		if err != nil {
 			log.Panic(err)
 		}