diff --git a/src/utils/utils.go b/src/utils/utils.go
index 4b444be..64d066e 100644
--- a/src/utils/utils.go
+++ b/src/utils/utils.go
@@ -96,3 +96,16 @@ func GetRandomName() string {
 	result = mnemonicode.EncodeWordList(result, bs)
 	return strings.Join(result, "-")
 }
+
+func ByteCountDecimal(b int64) string {
+	const unit = 1000
+	if b < unit {
+		return fmt.Sprintf("%d B", b)
+	}
+	div, exp := int64(unit), 0
+	for n := b / unit; n >= unit; n /= unit {
+		div *= unit
+		exp++
+	}
+	return fmt.Sprintf("%.1f %cB", float64(b)/float64(div), "kMGTPE"[exp])
+}