         //只有最后一行，并且数量小于tg_arrangedCount，并且不是第一行才应用策略。
         let applyLastlineGravityPolicy:Bool = (startIndex == sbs.count &&
             count != lsc.tg_arrangedCount &&
-            (startIndex - count) != 0 &&
         (horzGravity == TGGravity.horz.between || horzGravity == TGGravity.horz.around || horzGravity == TGGravity.horz.among || horzGravity == TGGravity.horz.fill))
         
         

                else {
                    //只拉伸间距
                    sbvtgFrame.leading += addXPosInc * CGFloat(j - (startIndex - count))
                    if applyLastlineGravityPolicy && lsc.tg_lastlineGravityPolicy == TGGravityPolicy.auto {
                        //对齐前一行对应位置的
                        sbvtgFrame.leading = sbs[j - lsc.tg_arrangedCount].tgFrame.leading
                    }

        //只有最后一行，并且数量小于tg_arrangedCount，并且不是第一行才应用策略。
        let applyLastlineGravityPolicy:Bool = (startIndex == sbs.count &&
            count != lsc.tg_arrangedCount &&
            (vertGravity == TGGravity.vert.between || vertGravity == TGGravity.vert.around || vertGravity == TGGravity.vert.among || vertGravity == TGGravity.vert.fill))

        
