diff --git a/business/jxstore/event/event_tcp_utils.go b/business/jxstore/event/event_tcp_utils.go
index 231965a16..2a755d0f5 100644
--- a/business/jxstore/event/event_tcp_utils.go
+++ b/business/jxstore/event/event_tcp_utils.go
@@ -334,6 +334,8 @@ func changePrinterStatus(printNo string, status int) {
 			isOnline = model.YES
 		} else {
 			isOnline = model.NO
+			printer.OfflineCount++
+			feilds = append(feilds, "OfflineCount")
 		}
 		if isOnline != printer.IsOnline {
 			printer.IsOnline = isOnline