diff --git a/business/jxstore/event/event_tcp.go b/business/jxstore/event/event_tcp.go
index 04a3b7ac1..bc168b650 100644
--- a/business/jxstore/event/event_tcp.go
+++ b/business/jxstore/event/event_tcp.go
@@ -175,10 +175,12 @@ func HandleTcpMessages() {
 				dao.UpdateEntity(db, printMsg, "Status", "Comment")
 				delete(tcpClient.Clients, printMsg.PrintNo)
 			} else {
-				if _, err = c.Write(data); err != nil {
-					globals.SugarLogger.Debugf("handleTcpMessages err [%v]", err)
-					c.Close()
-					delete(tcpClient.Clients, printMsg.PrintNo)
+				if c != nil {
+					if _, err = c.Write(data); err != nil {
+						globals.SugarLogger.Debugf("handleTcpMessages err [%v]", err)
+						c.Close()
+						delete(tcpClient.Clients, printMsg.PrintNo)
+					}
 				}
 			}
 		}