diff --git a/crawler_manager/crawler_communicator.go b/crawler_manager/crawler_communicator.go
index 318b0b2..0173c6c 100644
--- a/crawler_manager/crawler_communicator.go
+++ b/crawler_manager/crawler_communicator.go
@@ -4,7 +4,7 @@ import (
 	"context"
 	g "git.loafle.net/overflow/overflow_probe/crawler/grpc"
 	"google.golang.org/grpc"
-	"log"
+	log "github.com/cihub/seelog"
 
 	"encoding/json"
 	"git.loafle.net/overflow/overflow_probe/agent_api/config_manager"
@@ -16,7 +16,8 @@ func callAdd(container *string, conf *config_manager.Config) bool {
 
 	conn, err := grpc.Dial(address+port, grpc.WithInsecure())
 	if err != nil {
-		log.Fatalf("did not connect: %v", err)
+		//log.Fatalf("did not connect: %v", err)
+		log.Error( err)
 		return false
 	}
 	defer conn.Close()
@@ -35,9 +36,10 @@ func callAdd(container *string, conf *config_manager.Config) bool {
 
 	out, err := cc.Add(context.Background(), in)
 	if err != nil {
-		log.Println(err)
+		log.Error(err)
 	}
-	log.Println("callAdd:", out)
+	//log.Println("callAdd:", out)
+	log.Debug("callAdd:", out)
 
 	return true
 
@@ -59,7 +61,8 @@ func callInitConfig(container *string, cl []*config_manager.Config) bool {
 
 	conn, err := grpc.Dial(address+port, grpc.WithInsecure())
 	if err != nil {
-		log.Fatalf("did not connect: %v", err)
+		//log.Fatalf("did not connect: %v", err)
+		log.Error( err)
 		return false
 	}
 	defer conn.Close()
@@ -84,10 +87,10 @@ func callInitConfig(container *string, cl []*config_manager.Config) bool {
 
 	outInit, errInit := cc.Init(context.Background(), inArr)
 	if errInit != nil {
-		log.Println(errInit)
+		log.Debug(errInit)
 		return false
 	}
-	log.Println("callInit:", outInit)
+	log.Debug("callInit:", outInit)
 
 	return true
 
@@ -144,7 +147,8 @@ func callRemove(container *string, conf *config_manager.Config) {
 	conn, err := grpc.Dial(address+port, grpc.WithInsecure())
 
 	if err != nil {
-		log.Fatalf("did not connect: %v", err)
+		//log.Fatalf("did not connect: %v", err)
+		log.Error( err)
 	}
 	defer conn.Close()
 
@@ -156,9 +160,9 @@ func callRemove(container *string, conf *config_manager.Config) {
 
 	outRem, errRem := cc.Remove(context.Background(), inR)
 	if errRem != nil {
-		log.Println(errRem)
+		log.Debug(errRem)
 	}
-	log.Println("callRemove:", outRem)
+	log.Debug("callRemove:", outRem)
 
 }
 
@@ -178,7 +182,7 @@ func callStatusAddress(addr string) bool {
 
 	conn, err := grpc.Dial(addr, grpc.WithInsecure())
 	if err != nil {
-		log.Fatalf("did not connect: %v", err)
+		log.Error("did not connect: ", err)
 	}
 	defer conn.Close()
 
@@ -188,7 +192,7 @@ func callStatusAddress(addr string) bool {
 	out, err := c.Status(context.Background(), e)
 
 	if err != nil {
-		log.Fatalf("could not greet: %v", err)
+		log.Error("could not greet: ", err)
 	}
 
 	return out.Check