A glance from the corner of his eye observed the entrance to the lane, people coming and going, nothing unusual.,Always be on guard, outsmart your enemies and the environment around you. There is no room for error.,When Cheng Qianfan took the tram at that time, Lao Liao pretended to get on the tram. The two would have contact at this moment, secretly and quickly completing the transmission of information or items.。