diff --git a/sdk/common/common.go b/sdk/common/common.go
index 40d57d7058ee1bda059e887803426ff1b16e0ba7..9670b2e152dbdb40957ed2bf9994904d92b02619 100644
--- a/sdk/common/common.go
+++ b/sdk/common/common.go
@@ -15,3 +15,5 @@ type CommonResult struct {
 func (r *CommonResult) ParseData(d interface{}) error {
 	return json.Unmarshal(r.Data, d)
 }
+
+type EventCallback func(e *EventMessage)
diff --git a/sdk/plugin/client/client.go b/sdk/plugin/client/client.go
index b6d6ef20a3f31048ec238d2254bc54872ae9dc1f..6bf95ba6eb5cbd1432736e62cacb56c99563cbb8 100644
--- a/sdk/plugin/client/client.go
+++ b/sdk/plugin/client/client.go
@@ -24,7 +24,7 @@ type Client struct {
 
 	// 用于event消息处理
 	EventChan        chan *common.EventMessage
-	EventCallbackMap map[int]EventCallback
+	EventCallbackMap map[int]common.EventCallback
 
 	// 用于异步command及script执行结果处理机
 	asyncCmdResultChan      chan *common.AsyncCmdResult
@@ -51,7 +51,7 @@ func DefaultClient(desc *PluginInfo) *Client {
 		PluginInfo: desc,
 
 		EventChan:        make(chan *common.EventMessage, 20),
-		EventCallbackMap: make(map[int]EventCallback),
+		EventCallbackMap: make(map[int]common.EventCallback),
 
 		asyncCmdResultChan:      make(chan *common.AsyncCmdResult, 20),
 		cmdProcessorCallbackMap: make(map[string]CallbackHandler),