修改图表提示图片

没有开启自动刷新时，时间设置为0

designer_chart/src/com/fr/design/mainframe/chart/gui/other/ChartInteractivePane.java

@@ -821,7 +821,7 @@ public class ChartInteractivePane extends BasicScrollPane<Chart> implements UIOb
             if(isAutoRefresh.isSelected() && autoRefreshTime.getValue() >= 2) {
                 plot.setAutoRefreshPerSecond((int) autoRefreshTime.getValue());
             } else {
-                plot.setAutoRefreshPerSecond(-1);
+                plot.setAutoRefreshPerSecond(0);
             }
         }
     }