diff --git a/vendor/k8s.io/client-go/tools/cache/delta_fifo.go b/vendor/k8s.io/client-go/tools/cache/delta_fifo.go
index 78b28ad..317ebc2 100644
--- a/vendor/k8s.io/client-go/tools/cache/delta_fifo.go
+++ b/vendor/k8s.io/client-go/tools/cache/delta_fifo.go
@@ -664,6 +664,7 @@ func (f *DeltaFIFO) Replace(list []interface{}, _ string) error {
 	return nil
 }
 
+// 全量同步在 f.knownObjects 并且没有入队的 Delta
 // Resync adds, with a Sync type of Delta, every object listed by
 // `f.knownObjects` whose key is not already queued for processing.
 // If `f.knownObjects` is `nil` then Resync does nothing.