Update x-ui.sh (#3947)

looks like now cert management is option 19

x-ui.sh

@@ -317,12 +317,12 @@ check_config() {
                 start >/dev/null 2>&1
             else
                 LOGE "IP certificate setup failed."
-                echo -e "${yellow}You can try again via option 18 (SSL Certificate Management).${plain}"
+                echo -e "${yellow}You can try again via option 19 (SSL Certificate Management).${plain}"
                 start >/dev/null 2>&1
             fi
         else
             echo -e "${yellow}Access URL: http://${server_ip}:${existing_port}${existing_webBasePath}${plain}"
-            echo -e "${yellow}For security, please configure SSL certificate using option 18 (SSL Certificate Management)${plain}"
+            echo -e "${yellow}For security, please configure SSL certificate using option 19 (SSL Certificate Management)${plain}"
         fi
     fi
 }