diff --git a/platform/src/tcp_stream.cpp b/platform/src/tcp_stream.cpp
index 2d124da..cef8f48 100644
--- a/platform/src/tcp_stream.cpp
+++ b/platform/src/tcp_stream.cpp
@@ -423,15 +423,21 @@ static void __conn_private_destory(struct tfe_conn_private * conn)
 
 	free(conn);
 	(void)ret;
-	TFE_PROXY_STAT_INCREASE(STAT_FD_CLOSE, 1);
 }
 
 static void __conn_private_destory_with_ssl(struct event_base * ev_base,
 	struct tfe_conn_private * conn, struct ssl_stream * ssl_stream)
 {
-	if (ssl_stream == NULL) return __conn_private_destory(conn);
+	if (ssl_stream == NULL)
+	{
+		__conn_private_destory(conn);
+		TFE_PROXY_STAT_INCREASE(STAT_FD_CLOSE, 1);
+		return;
+	}
+
 	ssl_stream_free(ssl_stream, ev_base, conn->bev);
-	return __conn_private_destory(conn);
+	__conn_private_destory(conn);
+	TFE_PROXY_STAT_INCREASE(STAT_FD_CLOSE, 1);
 }
 
 static void __stream_bev_passthrough_readcb(struct bufferevent * bev, void * arg)
@@ -481,6 +487,7 @@ static void __stream_bev_passthrough_writecb(struct bufferevent * bev, void * ar
 	{
 		__conn_private_destory(*ref_this_conn);
 		*ref_this_conn = NULL;
+		TFE_PROXY_STAT_INCREASE(STAT_FD_CLOSE, 1);
 	}
 
 	if (*ref_peer_conn == NULL && *ref_this_conn == NULL)
@@ -557,6 +564,7 @@ __close_connection:
 		{
 			__conn_private_destory(*ref_peer_conn);
 			*ref_peer_conn = NULL;
+			TFE_PROXY_STAT_INCREASE(STAT_FD_CLOSE, 1);
 		}
 	}
 
@@ -564,6 +572,7 @@ __close_connection:
 	{
 		__conn_private_destory(*ref_this_conn);
 		*ref_this_conn = NULL;
+		TFE_PROXY_STAT_INCREASE(STAT_FD_CLOSE, 1);
 	}
 
 	if (*ref_this_conn == NULL && *ref_peer_conn == NULL)
@@ -1349,24 +1358,28 @@ void tfe_stream_destory(struct tfe_stream_private * stream)
 	{
 		assert(stream->defer_fd_upstream <= 0);
 		__conn_private_destory(stream->conn_upstream);
+		TFE_PROXY_STAT_INCREASE(STAT_FD_CLOSE, 1);
 	}
 
 	if (stream->conn_downstream)
 	{
 		assert(stream->defer_fd_downstream <= 0);
 		__conn_private_destory(stream->conn_downstream);
+		TFE_PROXY_STAT_INCREASE(STAT_FD_CLOSE, 1);
 	}
 
 	if (stream->conn_fake_c)
 	{
 		assert(stream->fd_fake_c <= 0);
 		__conn_private_destory(stream->conn_fake_c);
+		// fd_fake_c need't use TFE_PROXY_STAT_INCREASE(STAT_FD_CLOSE, 1);
 	}
 
 	if (stream->conn_fake_s)
 	{
 		assert(stream->fd_fake_s <= 0);
 		__conn_private_destory(stream->conn_fake_s);
+		// conn_fake_s need't use TFE_PROXY_STAT_INCREASE(STAT_FD_CLOSE, 1);
 	}
 
 	if (stream->fd_fake_c)