REPORT-140524 【FVS数据集替换】x3.0.0.1做的看板，图表数据和标题使用的模板和数据集数据，都被识别未使用

designer-realize/src/main/java/com/fr/design/actions/replace/action/content/formula/chart/SearchChartCollectionFormulaAction.java

@@ -370,6 +370,7 @@ public class SearchChartCollectionFormulaAction {
     }
 
     private void searchChartPatternFormulaFromTitle(List<FormulaInfo> formulaInfos, ITContent chartContent, Chart chart) {
+        if (chart != null) {
             //样式-标题
             ITContent titleContent = ITContent.copy(chartContent);
             titleContent.addOtherPos(
@@ -379,6 +380,7 @@ public class SearchChartCollectionFormulaAction {
             );
             dealTitle(formulaInfos, titleContent, chart.getTitle());
         }
+    }
 
     private void dealTitle(List<FormulaInfo> formulaInfos, ITContent chartContent, Title title) {
         if (title != null && title.getTextObject() instanceof Formula) {