diff --git a/business/jxstore/event/event_tcp.go b/business/jxstore/event/event_tcp.go
index 1a78499b6..18308db01 100644
--- a/business/jxstore/event/event_tcp.go
+++ b/business/jxstore/event/event_tcp.go
@@ -75,7 +75,7 @@ func handleConn(c net.Conn) error {
 				delete(PrintIpAndAddr, printNo)
 				delete(PrintObject, printNo)
 				delete(PrintAddrAndIp, printRemoteAddr)
-				dao.ExecuteSQL(dao.GetDB(), `UPDATE print SET status = -1,is_online = -1 WHERE print_no = ? `, []interface{}{printNo}...)
+				dao.ExecuteSQL(dao.GetDB(), `UPDATE printer SET status = -1,is_online = -1 WHERE print_no = ? `, []interface{}{printNo}...)
 			}
 			return err
 		}
@@ -97,7 +97,7 @@ func handleConn(c net.Conn) error {
 		}
 
 		t, ok := PrintObject[printNo]
-		if !ok {
+		if !ok || t.Clients[printNo] == nil || t.Clients[printNo].StatusTime.Second()-time.Now().Second() >= 120 {
 			t = NewTcpClient()
 		}