add log

routers/api/v1/node.go

@@ -13,6 +13,7 @@ import (
 	"github.com/gin-gonic/gin"
 
 	"chain33-pai/service/pai_service"
+	"bytes"
 )
 
 var flag bool//判断是否正在更新
@@ -161,6 +162,8 @@ func UpdateNode(c *gin.Context){
 	log.Println(setting.BityuanSetting.Name+"_"+latestVersion)
 	log.Println(absPath)
 	mv := exec.Command("mv",setting.BityuanSetting.Name+"_"+latestVersion+"/*",absPath)
+	serr := bytes.NewBuffer(nil)
+	mv.Stderr = serr
 	err = mv.Start()
 	if err != nil {
 		log.Println("mv",err)
@@ -177,6 +180,7 @@ func UpdateNode(c *gin.Context){
 		app.BityuanFlag = false
 		return
 	}
+	log.Println("stderr:",serr.String())
 	//mv2 := exec.Command("mv",setting.BityuanSetting.Name+"_"+latestVersion+"/"+"bityuan.toml",".")
 	//err = mv2.Start()
 	//if err != nil {