diff --git a/local_coverage/resident_service/init_gcov.py b/local_coverage/resident_service/init_gcov.py
index e414e7636d1747424b2307f3397da0f72ca4ef38..676af7ffeccc3c581990bc51e99ea6855e63c4c1 100644
--- a/local_coverage/resident_service/init_gcov.py
+++ b/local_coverage/resident_service/init_gcov.py
@@ -329,6 +329,7 @@ def modify_cfg_xml_file(developer_path, device_ip, device_sn_list,
             logger("{} shell reboot".format(hdc_str), "INFO")
             coverage_command("%s shell reboot > /dev/null 2>&1" % hdc_str)
             while True:
+                coverage_command("hdc -s %s:%s tconn %s" % (device_ip, device_port, device_sn_str))
                 after_sn_list = get_sn_list("hdc -s %s:%s list targets" % (device_ip, device_port))
                 time.sleep(10)
                 if device_sn_str in after_sn_list: