The disclosure is directed to a latching/locking system for securing tonneau cover to a vehicle. The system includes a mounting bar, a hanging rod, a locking block and a handle and further includes a cargo area cover frame body. The cargo area cover frame body includes an outer frame bar along an outer edge and an inner support bar inside the cargo area cover frame body. The mounting bar comprises a built-in section and an inserting block, which is fixed within the outer frame bar. An upper end of the hanging rod is inserted into the mounting bar, a horizontal shaft is disposed at an upper portion of the handle, and a lower end of the hanging rod is disposed into the horizontal shaft and connected to the horizontal shaft through a thread. The locking block is disposed on the hanging rod.