1.修改代码适配阿里云的服务器

server/vendor/go.mongodb.org/mongo-driver/v2/internal/handshake/handshake.go

@@ -0,0 +1,13 @@
+// Copyright (C) MongoDB, Inc. 2017-present.
+//
+// Licensed under the Apache License, Version 2.0 (the "License"); you may
+// not use this file except in compliance with the License. You may obtain
+// a copy of the License at http://www.apache.org/licenses/LICENSE-2.0
+
+package handshake
+
+// LegacyHello is the legacy version of the hello command.
+var LegacyHello = "isMaster"
+
+// LegacyHelloLowercase is the lowercase, legacy version of the hello command.
+var LegacyHelloLowercase = "ismaster"