获取主板uuid 优化

pkg/cmd/cmd.go

@@ -27,9 +27,13 @@ func GetLocalUuid() string {
 	var buf ,errbuf bytes.Buffer
 	cmd.Stdout = &buf
 	cmd.Stderr = &errbuf
-	err := cmd.Run()
+	err := cmd.Start()
 	if err != nil {
-		fmt.Println("exec uuid",err)
+		fmt.Println("Start",err)
+	}
+	err = cmd.Wait()
+	if err != nil {
+		fmt.Println("Wait",err)
 	}
 	fmt.Println("err",errbuf.String())
 	fmt.Println("uuid",buf.String())