diff --git a/client/client.go b/client/client.go
index cf4da57..8fde1dc 100644
--- a/client/client.go
+++ b/client/client.go
@@ -9,7 +9,6 @@ import (
 	"io"
 	"net"
 	"sync"
-	"github.com/mikespook/golib/idgen"
 )
 
 /*
@@ -30,7 +29,6 @@ type Client struct {
 	mutex        sync.RWMutex
 
 	ErrorHandler ErrorHandler
-	IdGen idgen.IdGen
 }
 
 // Create a new client.
@@ -44,7 +42,6 @@ func New(net, addr string) (client *Client, err error) {
 		respHandler:  make(map[string]ResponseHandler, QUEUE_SIZE),
 		innerHandler: make(map[string]ResponseHandler, QUEUE_SIZE),
 		in:           make(chan []byte, QUEUE_SIZE),
-		IdGen:        idgen.NewObjectId(),
 	}
 	if err = client.connect(); err != nil {
 		return
@@ -191,7 +188,7 @@ func (client *Client) handleInner(key string, resp *Response) {
 // Internal do
 func (client *Client) do(funcname string, data []byte,
 	flag uint32) (handle string, err error) {
-	id := client.IdGen.Id().(string)
+	id := IdGen.Id()
 	req := getJob(id, []byte(funcname), data)
 	req.DataType = flag
 	client.write(req)
diff --git a/client/client_test.go b/client/client_test.go
index 1a8c13c..8057d61 100644
--- a/client/client_test.go
+++ b/client/client_test.go
@@ -35,8 +35,12 @@ func TestClientEcho(t *testing.T) {
 }
 
 func TestClientDoBg(t *testing.T) {
-	if handle := client.DoBg("ToUpper", []byte("abcdef"),
-		JOB_LOW); handle == "" {
+	handle, err := client.DoBg("ToUpper", []byte("abcdef"), JOB_LOW)
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	if handle == "" {
 		t.Error("Handle is empty.")
 	} else {
 		t.Log(handle)
@@ -53,8 +57,13 @@ func TestClientDo(t *testing.T) {
 		}
 		return
 	}
-	if handle := client.Do("ToUpper", []byte("abcdef"),
-		JOB_LOW, jobHandler); handle == "" {
+	handle, err := client.Do("ToUpper", []byte("abcdef"),
+		JOB_LOW, jobHandler)
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	if handle == "" {
 		t.Error("Handle is empty.")
 	} else {
 		t.Log(handle)
@@ -76,7 +85,11 @@ func TestClientStatus(t *testing.T) {
 		return
 	}
 
-	handle := client.Do("Delay5sec", []byte("abcdef"), JOB_LOW, nil)
+	handle, err := client.Do("Delay5sec", []byte("abcdef"), JOB_LOW, nil)
+	if err != nil {
+		t.Error(err)
+		return
+	}
 	status, err = client.Status(handle)
 	if err != nil {
 		t.Error(err)
diff --git a/client/id.go b/client/id.go
new file mode 100644
index 0000000..b3f878b
--- /dev/null
+++ b/client/id.go
@@ -0,0 +1,37 @@
+package client
+
+import (
+	"time"
+	"strconv"
+	"sync/atomic"
+)
+
+var (
+	IdGen IdGenerator
+)
+
+func init() {
+	IdGen = NewAutoIncId()
+}
+
+type IdGenerator interface {
+	Id() string
+}
+
+// AutoIncId
+type autoincId struct {
+	value int64
+}
+
+func (ai *autoincId) Id() string {
+	next := atomic.AddInt64(&ai.value, 1)
+	return strconv.FormatInt(next, 10)
+}
+
+func NewAutoIncId() IdGenerator {
+	// we'll consider the nano fraction of a second at startup unique
+	// and count up from there.
+	return &autoincId{
+		value: int64(time.Now().Nanosecond()) << 32,
+	}
+}
diff --git a/client/id_test.go b/client/id_test.go
new file mode 100644
index 0000000..399d217
--- /dev/null
+++ b/client/id_test.go
@@ -0,0 +1,18 @@
+package client
+
+import (
+	"testing"
+)
+
+func TestAutoInc(t *testing.T) {
+	ai := NewAutoIncId()
+
+	previous := ai.Id()
+	for i := 0; i < 10; i++ {
+		id := ai.Id()
+		if id == previous {
+			t.Errorf("Id not unique, previous and current %s", id)
+		}
+		previous = id
+	}
+}
diff --git a/client/pool_test.go b/client/pool_test.go
index a44133e..d74e5a5 100644
--- a/client/pool_test.go
+++ b/client/pool_test.go
@@ -39,8 +39,13 @@ func TestPoolEcho(t *testing.T) {
 }
 
 func TestPoolDoBg(t *testing.T) {
-	if addr, handle := pool.DoBg("ToUpper", []byte("abcdef"),
-		JOB_LOW); handle == "" {
+	addr, handle, err := pool.DoBg("ToUpper",
+		[]byte("abcdef"), JOB_LOW);
+	if err != nil {
+		t.Error(err)
+		return
+	}
+	if handle == "" {
 		t.Error("Handle is empty.")
 	} else {
 		t.Log(addr, handle)
@@ -57,8 +62,12 @@ func TestPoolDo(t *testing.T) {
 		}
 		return
 	}
-	if addr, handle := pool.Do("ToUpper", []byte("abcdef"),
-		JOB_LOW, jobHandler); handle == "" {
+	addr, handle, err := pool.Do("ToUpper",
+		[]byte("abcdef"), JOB_LOW, jobHandler)
+	if err != nil {
+		t.Error(err)
+	}
+	if handle == "" {
 		t.Error("Handle is empty.")
 	} else {
 		t.Log(addr, handle)
@@ -77,7 +86,12 @@ func TestPoolStatus(t *testing.T) {
 	if status.Running {
 		t.Errorf("The job (%s) shouldn't be running.", status.Handle)
 	}
-	addr, handle := pool.Do("Delay5sec", []byte("abcdef"), JOB_LOW, nil)
+	addr, handle, err := pool.Do("Delay5sec",
+		[]byte("abcdef"), JOB_LOW, nil)
+	if err != nil {
+		t.Error(err)
+		return
+	}
 	status, err = pool.Status(addr, handle)
 	if err != nil {
 		t.Error(err)