Fix logical error

Author: WillowSauceR

scan.py

@@ -87,7 +87,7 @@ def recv_packets(udp_skt, pbar):
             infos, addr = parse_raw_pkt(udp_skt.recvfrom(1024))
             if not infos or not infos["motd"]:  # 过滤掉没有motd的和没有信息的
                 continue
-            if int(infos['online']) >= display_online:
+            if int(infos['online']) <= display_online:
                 continue
 
             server_count += 1