fix remote conn close bug
fix remote conn close bug

git-svn-id: d191f6a42a48b7757e67041f141a933c2f1f75a9@98 0218a236-20f9-4991-90a1-48fc6048086e

vzex/dog-tunnel,ExiaHan/dog-tunnel,damoguyan8844/dog-tunnel,vzex/dog-tunnel,ExiaHan/dog-tunnel,damoguyan8844/dog-tunnel