diff --git a/adaptive/writer.go b/adaptive/writer.go
index 997c316..b1e27b2 100644
--- a/adaptive/writer.go
+++ b/adaptive/writer.go
@@ -114,7 +114,9 @@ func (w *Writer) write(p []byte) (nRet int, errRet error) {
 	if w.err != nil {
 		return 0, w.err
 	}
-
+	if p == nil || len(p) == 0 {
+		return 0, nil
+	}
 	oBuf := make([]byte, packageHeaderSize)
 
 	// TODO(wangqian): use a oBuf to avoid memory allocate.