iOS TableView index bar to squeeze the table view to the left

Feel TableView's index bar squeezing the table view to the left? Don't worry, it's just a color problem. As long as you set this

the color of the background of the index bar (empty color will not feel the index bar will tableview to the left squeeze)

[_tableview setsectionindexbackgroundcolor: [uicolor clearcolor]];

//The color of the index bar text

[_tableview setsectionindexcolor: [uicolor darkgraycolor]];

iOS TableView index bar to squeeze the table view to the left