Refreshing method and display apparatus

A display apparatus, comprising:

• a display, configured to present a video and/or a user interface, wherein the user interface comprises a picture mode settings menu, the picture mode settings menu comprises at least one picture quality setting option, and one of the at least one picture quality setting option comprises a parameter;
• a memory, configured to store instructions and data associated with the display;
• at least one processor, in connection with the display and the memory, and configured to execute the instructions to cause the display apparatus to:
• in response to an operation from a user, set an identifier for a frame on each of switch nodes in the video, wherein the identifier comprises a first identifier for identifying the frame as a switch node and a second identifier for identifying a target content type;
• when an ith frame of the video is played, detect whether a preset number of continuous M frames after the ith frame have the identifier, wherein i is an integer greater than or equal to 1, and M is an integer greater than or equal to 1;
• in response to that the identifier is detected, determine in advance that the picture mode settings menu will be updated according to a first picture quality parameter information when a target frame of the video is played, wherein the target frame is a frame on a switch node after the ith frame, and the first picture quality parameter information comprises a parameter of the at least one picture quality setting option corresponding to the target content type;
• and
• control the display to update the picture mode settings menu according to the first picture quality parameter information.