diff --git a/business/jxstore/event/event_tcp.go b/business/jxstore/event/event_tcp.go
index 54b2f425d..c62b3a92f 100644
--- a/business/jxstore/event/event_tcp.go
+++ b/business/jxstore/event/event_tcp.go
@@ -71,7 +71,7 @@ var (
 	}
 
 	signMap = map[string]string{
-		byteSignBR:      "oa",
+		byteSignBR:      "0a",
 		byteSignCenter:  "1b6101",
 		byteSignLeft:    "1b6100",
 		byteSignRight:   "1b6102",