修改k线为自动切换夏令时和冬令时

static/chart_main/sevencoin.js

@@ -303,17 +303,6 @@ $(function () {
 		
 		    return date >= start && date < end;
 		}
-		// 判断日期是否在夏令时（简化的逻辑，实际应用中需要考虑更多的边界情况）
-		dateIsInEDT(date) {
-		    const year = date.getUTCFullYear();
-		    const start = new Date(Date.UTC(year, 2, 13, 7)); // March, 2nd Sunday
-		    const end = new Date(Date.UTC(year, 10, 6, 6)); // November, 1st Sunday
-		    
-		    start.setUTCDate(14 - start.getUTCDay());
-		    end.setUTCDate(7 - end.getUTCDay());
-		
-		    return date >= start && date < end;
-		}
 		
         getResolutionTime() {
             const resolution = this.TView.chart().resolution();