diff --git a/transport/internet/splithttp/config.go b/transport/internet/splithttp/config.go
index 8f8fc85e8..16b4d47f1 100644
--- a/transport/internet/splithttp/config.go
+++ b/transport/internet/splithttp/config.go
@@ -481,6 +481,9 @@ func init() {
 }
 
 func (c *RangeConfig) rand() int32 {
+	if c == nil {
+		return 0
+	}
 	return int32(crypto.RandBetween(int64(c.From), int64(c.To)))
 }