diff --git a/pkg/utils/utils.go b/pkg/utils/utils.go
index 0ebe55d99..074712bc8 100644
--- a/pkg/utils/utils.go
+++ b/pkg/utils/utils.go
@@ -2,8 +2,10 @@ package utils
 
 import (
 	"fmt"
+	"math/rand"
 	"reflect"
 	"strconv"
+	"time"
 )
 
 // copy a by b  b->a