diff --git a/config/example.json b/config/example.json
index 79426a8..3cf0a7c 100644
--- a/config/example.json
+++ b/config/example.json
@@ -5,7 +5,7 @@
       "ip" : "192.168.1.104",
       "port" : "6379",
       "ssl" : false,
-      "type" : "tcp"
+      "portType" : "tcp"
     },
     "auth" : {
 
diff --git a/crawler.go b/crawler.go
index 9ced5a6..8a03e90 100644
--- a/crawler.go
+++ b/crawler.go
@@ -1,48 +1,79 @@
 package crawler
 
-import "errors"
+import (
+	"encoding/json"
+	"errors"
+	"io/ioutil"
+	"log"
+)
 
 type Internal interface {
 	Internal(params map[string]interface{}) ([]byte, error)
 }
 
 type Crawler interface {
-	Init(path string) ([]byte,error)
-	Add(id string) ([]byte,error)
-	Remove(id string) ([]byte,error)
-	Get(id string) ([]byte,error)
+	Init(path string) ([]byte, error)
+	Add(id string) ([]byte, error)
+	Remove(id string) ([]byte, error)
+	Get(id string) ([]byte, error)
 }
 
 type CrawlerImpl struct {
 	Crawler
-	configs  map[string]interface{}
-	internal Internal
+	configs    map[string]interface{}
+	internal   Internal
+	configPath string
 }
 
-func (c *CrawlerImpl) Init(path string) ([]byte,error) {
+func (c *CrawlerImpl) Init(path string) ([]byte, error) {
 	if c.configs == nil {
 		c.configs = make(map[string]interface{}, 0)
 	}
 
-	// load all file in path
-	return nil,nil
-}
-func (c *CrawlerImpl) Add(id string) ([]byte,error) {
+	c.configPath = path
+	files, err := ioutil.ReadDir(c.configPath)
+	if err != nil {
+		log.Panic(err)
+	}
 
-	//file load , input config
-	return nil,nil
+	for _, file := range files {
+		if file.IsDir() == true {
+			continue
+		}
+		_,err := c.Add(file.Name())
+		if err != nil {
+			log.Panic(err)
+		}
+	}
+
+	// load all file in path
+	return json.Marshal(true)
 }
-func (c *CrawlerImpl) Remove(id string) ([]byte,error) {
+func (c *CrawlerImpl) Add(id string) ([]byte, error) {
+	
+	b, err := ioutil.ReadFile(c.configPath + id)
+	if err != nil {
+		log.Panic(err)
+	}
+	
+	var m = make(map[string]interface{}, 0)
+	json.Unmarshal(b, &m)
+	c.configs[id] = m
+	
+	return json.Marshal(true)
+}
+func (c *CrawlerImpl) Remove(id string) ([]byte, error) {
 	//remove in config
-	return nil,nil
+	delete(c.configs,id)
+	return json.Marshal(true)
 }
-func (c *CrawlerImpl) Get(id string)([]byte,error) {
+func (c *CrawlerImpl) Get(id string) ([]byte, error) {
 
 	if c.internal != nil {
 		out, err := c.internal.Internal(c.GetConfig(id))
 		if err != nil {
 			//set error fail, message
-			return nil,err
+			return nil, err
 		}
 		return out, nil
 	}
diff --git a/crawler_test.go b/crawler_test.go
index 30e4be5..9ccd392 100644
--- a/crawler_test.go
+++ b/crawler_test.go
@@ -2,30 +2,35 @@ package crawler
 
 import (
 	"testing"
+	"encoding/json"
+	"github.com/stretchr/testify/assert"
 )
 
-func TestCrawler(t *testing.T) {
+func initConfig() CrawlerImpl{
+	c := CrawlerImpl{}
+	c.Init("/root/gowork/src/loafle.com/overflow/crawler_go/config/")
+	return c
+}
 
-	//r := NewRedisHeahthCrawler()
-	//
-	//// test config
-	//
-	//m := make(map[string]interface{}, 0)
-	//
-	//r.configs = make(map[string]interface{}, 0)
-	//m["ip"] = "192.168.1.104"
-	//m["port"] = "6379"
-	//m["portType"] = "tcp"
-	//m["ssl"] = false
-	//
-	//r.configs["redis"] = m
-	//
-	//out := param.Output{}
-	//r.Get("redis", &out)
-	//
-	//var check bool
-	//json.Unmarshal(out.Data, &check)
-	//
-	//assert.Equal(t, true, check)
+
+func TestCrawlerInit(t *testing.T) {
+	
+	c := initConfig()
+	m := c.configs["example.json"].(map[string]interface{})
+	assert.Equal(t, m["id"].(string) , "SOEJWEOJWOEJOSDJFOASDJFOSDFO2903870928734")
+	
+}
+
+func TestCrawlerAdd(t *testing.T) {
 
 }
+
+func TestCrawlerRemove(t *testing.T) {
+
+}
+
+func TestCrawlerGet(t *testing.T) {
+
+}
+
+