update tlv project, fix server program fatal bug

guowenxue

2020-04-30 9d2a15e034348a38a569d4ff91047363f608ee79

 prj1_tlv/tlv_client.c

@@ -150,7 +150,7 @@
            return -1;
        }

        daemon(1, 1);
        set_daemon_running(pid_file);
    }

    record_daemon_pid(pid_file);