The scroll bar in unity ugui is not displayed from the top when launching the interface in the game

Unity UGUI in scroll bar When starting the interface in the game, it is not displayed from the top

Problem description :

​ stay Unity Long text Always use scroll bar Control , However, even if Inspector in scroll bar Of value Property is set to 1 in the future , The display in the game still doesn't start from the top , But start from the middle of the article , It affects the visual effect very much

Effect before solution :

terms of settlement :

​ First step : take scroll bar Controlled by text The control of pivot y Set to 1

​ The second step : take text The control of best fit Attribute check above , And set the text size to the appropriate size

The effect after solving :