diff --git a/src/optimizer.go b/src/optimizer.go
index 24df2db..88fd70c 100644
--- a/src/optimizer.go
+++ b/src/optimizer.go
@@ -214,6 +214,7 @@ func (optimizer *Optimizer) predict(job string, seq int) (OptimizerJobExecutionT
 
 	var res MsgOptimizerPredict
 	err = json.Unmarshal([]byte(string(body)), &res)
+	log.Println(res)
 	if err == nil {
 		return OptimizerJobExecutionTime{Total: res.Total, Pre: res.Pre, Main: res.Main, Post: res.Post}, true
 	}