Merge remote-tracking branch 'remotes/gitlab/dev6.0' into feature-feng-rayAndLaser-20210306

# Conflicts:
#	Project.FLY.Thick.Base/FLY.Thick.Base/Server/GM_Base.cs

Project.FLY.FObjSys/FObjSys/TCPConn.cs

@@ -113,7 +113,13 @@ namespace FObjBase
 
                 return -1;
             }
+            else if (plen < 2) {
+                //异常，包最短也有2个byte
+                logger.Error($"TCPConn GetRecvInfoPacket 包.Size = {plen}，太小，不正常, 断开重新连接");
+                sock.Close();
 
+                return -1;
+            }
             if (len < plen)
             {
                 return 0;
@@ -121,6 +127,14 @@ namespace FObjBase
 
             if (HasCRC) //TODO
             {
+                
+                if (plen < 4) {
+                    //
+                    logger.Error("TCPConn GetRecvInfoPacket 包.Size < 4, 无法 CRC 校验。  断开重新连接");
+                    sock.Close();
+                    return -1;
+                }
+
                 UInt16 crc = Misc.CRC.CRC16(in_buffer, 0, plen - 2);
                 int packet_crc_idx = plen - 2;
                 UInt16 packet_crc = BitConverter.ToUInt16(in_buffer.GetRange(packet_crc_idx, 2).ToArray(), 0);

Project.FLY.Thick.Base/FLY.Thick.Base/Server/GM_AutoScan.cs

@@ -40,8 +40,16 @@ namespace FLY.Thick.Base.Server
         }
         public void Start(int delay)
         {
-            Delay = delay;
-            Start();
+            if (delay <= 0)
+            {
+                ReScan();
+                return;
+            }
+            else
+            {
+                Delay = delay;
+                Start();
+            }
         }
         public override void Start()
         {

Project.FLY.Thick.Base/FLY.Thick.Base/Server/GM_Disconnected.cs

@@ -56,7 +56,13 @@ namespace FLY.Thick.Base.Server
                         if (isReadyToAutoScan)
                         {
                             //需要自动扫描
-                            if (stopwatch.Elapsed > TimeSpan.FromMinutes(3))
+                            if (stopwatch.Elapsed < TimeSpan.FromSeconds(30)) {
+                                isReadyToAutoScan = false;
+                                stopwatch.Stop();
+                                //30秒内又连上了，直接重启
+                                mGMAutoScan.Start(0);
+                            }
+                            else if (stopwatch.Elapsed < TimeSpan.FromMinutes(3))
                             {
                                 isReadyToAutoScan = false;
                                 stopwatch.Stop();