diff --git a/config_manager.go b/config_manager.go
index 82c812a..27dd4ce 100644
--- a/config_manager.go
+++ b/config_manager.go
@@ -5,48 +5,54 @@ import (
 	"gopkg.in/yaml.v2"
 	"io/ioutil"
 	"loafle.com/overflow/agent_api/config_manager"
-	"loafle.com/overflow/agent_api/observer"
-	"loafle.com/overflow/agent_api/observer/messages"
 	"log"
 	"os"
 	"strings"
 	"sync"
+	"loafle.com/overflow/agent_api/messages"
 )
 
 type configManager struct {
 	config_manager.ConfigManager // interface implements
-
-	addCh    chan interface{}
-	removeCh chan interface{}
-
 	configs      map[string] *config_manager.Config
 	globalConfig config_manager.GlobalConfig
 }
 
 var _configManager *configManager
 
-func init() {
+func Start(ch chan *config_manager.GlobalConfig, path string) error {
+	_configManager = GetInstance()
+	_configManager.loadGlobalConfig(path + "/" + "global.yaml")
+	ch <- _configManager.GetGlobalConfig()
+	return nil
+}
+
+func StartSensorConfig(ch chan config_manager.ConfigManager, authKey string) error {
+	if err := _configManager.loadCrawlerConfigAll(); err != nil {
+		return  err
+	}
+	ch <- _configManager
+	return nil
+}
+
+func Stop(ch chan bool) {
+	GetInstance().stop()
+	ch <- true
+}
+
+func GetInstance() *configManager {
 	var once sync.Once
 	once.Do(func() {
-		_configManager = NewConfigManager()
+		_configManager = &configManager{
+			configs: make(map[string]*config_manager.Config, 0),
+		}
 	})
 
-	// regist handlers
-	agentStartHandler()
-	addSensorHandler()
-	removeSensorHandler()
-	agentEndHandler()
+	return _configManager
 }
 
+func (c *configManager) stop() {}
 
-func NewConfigManager() *configManager {
-	c := &configManager{
-		configs:  make(map[string]*config_manager.Config, 0),
-		addCh:    make(chan interface{}, 0),
-		removeCh: make(chan interface{}, 0),
-	}
-	return c
-}
 
 func (c *configManager) getConfigPath() string {
 	return c.globalConfig.Paths.RootFolder + c.globalConfig.Paths.ConfigFolder
diff --git a/init_method.go b/init_method.go
index c199a67..fd008b1 100644
--- a/init_method.go
+++ b/init_method.go
@@ -1,48 +1,48 @@
 package config_manager_go
 
-import (
-	"loafle.com/overflow/agent_api/observer"
-	"loafle.com/overflow/agent_api/observer/messages"
-)
-
-func agentStartHandler() {
-	agentStart := make(chan interface{}, 0)
-	observer.Add(messages.AGT_STARTING, agentStart)
-	go func() {
-		data := <-agentStart
-		path := data.(string)
-		// load global config
-		_configManager.loadGlobalConfig(path + "/" + "global.yaml")
-		
-		// load all crawler configs
-		if err := _configManager.loadCrawlerConfigAll(); err != nil {
-			// error process
-		}
-		
-		observer.Remove(messages.AGT_STARTING, agentStart)
-		observer.Notify(messages.CFG_LOADED, _configManager)
-	}()
-}
-
-func agentEndHandler() {
-	agentEnd := make(chan interface{}, 0)
-	observer.Add(messages.AGT_WILL_STOP, agentEnd)
-	go func() {
-		_ = <-agentEnd
-		observer.Remove(messages.AGT_WILL_STOP, agentEnd)
-		observer.Remove(messages.TASK_SENSOR_ADD,_configManager.addCh)
-		observer.Remove(messages.TASK_SENSOR_REMOVE,_configManager.removeCh)
-	}()
-}
-
-func addSensorHandler() {
-	observer.Add(messages.TASK_SENSOR_ADD,_configManager.addCh)
-	go _configManager.addConfig()
-}
-
-func removeSensorHandler() {
-	observer.Add(messages.TASK_SENSOR_REMOVE,_configManager.removeCh)
-	go _configManager.removeConfig()
-}
+//import (
+//	"loafle.com/overflow/agent_api/observer"
+//	"loafle.com/overflow/agent_api/messages"
+//)
+//
+//func agentStartHandler() {
+//	agentStart := make(chan interface{}, 0)
+//	observer.Add(messages.AGT_STARTING, agentStart)
+//	go func() {
+//		data := <-agentStart
+//		path := data.(string)
+//		// load global config
+//		_configManager.loadGlobalConfig(path + "/" + "global.yaml")
+//
+//		// load all crawler configs
+//		if err := _configManager.loadCrawlerConfigAll(); err != nil {
+//			// error process
+//		}
+//
+//		observer.Remove(messages.AGT_STARTING, agentStart)
+//		observer.Notify(messages.CFG_LOADED, _configManager)
+//	}()
+//}
+//
+//func agentEndHandler() {
+//	agentEnd := make(chan interface{}, 0)
+//	observer.Add(messages.AGT_WILL_STOP, agentEnd)
+//	go func() {
+//		_ = <-agentEnd
+//		observer.Remove(messages.AGT_WILL_STOP, agentEnd)
+//		observer.Remove(messages.TASK_SENSOR_ADD,_configManager.addCh)
+//		observer.Remove(messages.TASK_SENSOR_REMOVE,_configManager.removeCh)
+//	}()
+//}
+//
+//func addSensorHandler() {
+//	observer.Add(messages.TASK_SENSOR_ADD,_configManager.addCh)
+//	go _configManager.addConfig()
+//}
+//
+//func removeSensorHandler() {
+//	observer.Add(messages.TASK_SENSOR_REMOVE,_configManager.removeCh)
+//	go _configManager.removeConfig()
+//}
 
 
diff --git a/test_agent/global.yaml b/test_agent/global.yaml
index 8db049b..3c33324 100644
--- a/test_agent/global.yaml
+++ b/test_agent/global.yaml
@@ -3,7 +3,7 @@ central:
   port: 443
 logPath: "./bin/log.xml"
 paths:
-  rootFolder : "/home/snoop/develop/path/go/src/loafle.com/overflow/config_manager_go/test_agent/"
+  rootFolder : "/home/insanity/Develop/gopath/src/loafle.com/overflow/config_manager_go/test_agent/"
   configFolder : "config/"
   binaryFolder : "container/"
   pidFolder : "pids/"