diff --git a/business/jxstore/event/event_tcp.go b/business/jxstore/event/event_tcp.go
index 69fab35ca..6ce15fae9 100644
--- a/business/jxstore/event/event_tcp.go
+++ b/business/jxstore/event/event_tcp.go
@@ -474,7 +474,7 @@ func replaceContent(content string, printMsg *model.PrintMsg) (result string) {
 				//fd	固定
 				//001a (声音数据长度高八位低八位)
 				//0101  固定
-				soundPerfix := "[" + utils.Int2Str(printer.Volume*2) + "]" + printer.Sound + ","
+				soundPerfix := "[v" + utils.Int2Str(printer.Volume*2) + "]" + printer.Sound + ","
 				hexPrefix, _ := jxutils.Utf8ToGbk([]byte(soundPerfix))
 				hexPrefixStr := hex.EncodeToString(hexPrefix)
 				realSound := hexPrefixStr + sound