fix 删除爬虫的问题

backend/services/msg_handler/msg_system_info.go

@@ -2,16 +2,13 @@ package msg_handler
 
 import (
 	"crawlab/constants"
-	"crawlab/database"
+	"crawlab/entity"
 	"crawlab/model"
 	"crawlab/utils"
-	"encoding/json"
-	"github.com/apex/log"
-	"runtime/debug"
 )
 
 type SystemInfo struct {
-	msg NodeMessage
+	msg entity.NodeMessage
 }
 
 func (s *SystemInfo) Handle() error {
@@ -20,19 +17,12 @@ func (s *SystemInfo) Handle() error {
 	if err != nil {
 		return err
 	}
-	msgSd := NodeMessage{
+	msgSd := entity.NodeMessage{
 		Type:    constants.MsgTypeGetSystemInfo,
 		NodeId:  s.msg.NodeId,
 		SysInfo: sysInfo,
 	}
-	msgSdBytes, err := json.Marshal(&msgSd)
-	if err != nil {
-		log.Errorf(err.Error())
-		debug.PrintStack()
-		return err
-	}
-	if _, err := database.RedisClient.Publish("nodes:master", utils.BytesToString(msgSdBytes)); err != nil {
-		log.Errorf(err.Error())
+	if err := utils.Pub(constants.ChannelMasterNode, msgSd); err != nil {
 		return err
 	}
 	return nil