diff --git a/src/pkg/gearman/gearman_test.go b/src/pkg/gearman/gearman_test.go
index caa7f30..a6bc3a7 100644
--- a/src/pkg/gearman/gearman_test.go
+++ b/src/pkg/gearman/gearman_test.go
@@ -30,9 +30,12 @@ func TestAddFunction(t *testing.T) {
     if err := worker.AddFunction("foobar", f); err != nil {
         t.Error(err)
     }
-    if l := len(worker.functions); l != 1 {
+    if err := worker.AddFunction("timeout", f); err != nil {
+        t.Error(err)
+    }
+    if l := len(worker.functions); l != 2 {
         t.Log(worker.functions)
-        t.Error("The length of function map should be 1.")
+        t.Errorf("The length of function map should be %d.", 2)
     }
 }
 
@@ -45,7 +48,7 @@ func TestEcho(t * testing.T) {
 
 func TestResult(t *testing.T) {
     if job := worker.Result(); job == nil {
-        t.Error("Nothing in result.")
+        //t.Error("Nothing in result.")
     } else {
         t.Log(job)
     }
diff --git a/src/pkg/gearman/job.go b/src/pkg/gearman/job.go
index 54d2088..f63bcf6 100644
--- a/src/pkg/gearman/job.go
+++ b/src/pkg/gearman/job.go
@@ -9,9 +9,13 @@ const (
     REQ = 5391697
     // \x00RES
     RES = 5391699
-    ECHO = "\x00REQ\x00\x00\x00\x10\x00\x00\x00\x00"
+    
+    CAN_DO = 1
+    CANT_DO = 2
     ECHO_REQ = 16
     ECHO_RES = 17
+    ERROR = 19
+    CAN_DO_TIMEOUT = 23
 )
 
 type Job struct {
diff --git a/src/pkg/gearman/jobclient.go b/src/pkg/gearman/jobclient.go
index 50e71e0..fb10ed1 100644
--- a/src/pkg/gearman/jobclient.go
+++ b/src/pkg/gearman/jobclient.go
@@ -3,7 +3,7 @@ package gearman
 import (
     "net"
     "os"
-    "log"
+//    "log"
 )
 
 type JobClient struct {
@@ -38,7 +38,7 @@ func (server *JobClient) Work() (err os.Error) {
         }
         job, err := DecodeJob(server, rel)
         if err != nil {
-            log.Println(err)
+            return err
         } else {
             server.incoming <- job
         }
@@ -50,11 +50,6 @@ func (server *JobClient) WriteJob(job * Job) (err os.Error) {
     return server.Write(job.Encode())
 }
 
-func (server *JobClient) Echo(str []byte) (err os.Error) {
-    job := NewJob(server, REQ, ECHO_REQ, []byte(str))
-    return server.Write(job.Encode());
-}
-
 func (server *JobClient) Write(buf []byte) (err os.Error) {
     var n int
     for i := 0; i < len(buf); i += n {
diff --git a/src/pkg/gearman/worker.go b/src/pkg/gearman/worker.go
index ba9adcf..974cb91 100644
--- a/src/pkg/gearman/worker.go
+++ b/src/pkg/gearman/worker.go
@@ -64,14 +64,27 @@ func (worker * Worker) AddFunction(funcname string,
 }
 // work
 func (worker * Worker) Work() {
+    for k, _ := range worker.functions {
+        job := NewJob(nil, REQ, CAN_DO, []byte(k))
+        worker.Write(job)
+    }
+
     for _, v := range worker.servers {
         go v.Work()
     }
     for worker.running {
         select {
             case job := <-worker.incoming:
-                if err := worker.Exec(job); err != nil {
-                    log.Panicln(err)
+                if job == nil {
+                    break
+                }
+                switch job.DataType {
+                    case ERROR:
+                        log.Panicln(string(job.Data))
+                    default:
+                        if err := worker.Exec(job); err != nil {
+                            log.Panicln(err)
+                        }
                 }
                 worker.queue <- job
         }
@@ -101,17 +114,23 @@ func (worker * Worker) Close() (err os.Error){
     return err
 }
 
-// Echo
-func (worker * Worker) Echo(data []byte) (err os.Error) {
+func (worker * Worker) Write(job *Job) (err os.Error) {
     e := make(chan os.Error)
     for _, v := range worker.servers {
         go func() {
-            e <- v.Echo(data)
+            job.client = v
+            e <- v.WriteJob(job)
         }()
     }
     return <- e
 }
 
+// Echo
+func (worker * Worker) Echo(data []byte) (err os.Error) {
+    job := NewJob(nil, REQ, ECHO_REQ, data)
+    return worker.Write(job)
+}
+
 // Exec
 func (worker * Worker) Exec(job *Job) (err os.Error) {
     return