生成手册出现空指针问题

com.actionsoft.apps.coe.pal/src/com/actionsoft/apps/coe/pal/pal/repository/PALRepositoryQueryAPIManager.java

@@ -5180,6 +5180,7 @@ public class PALRepositoryQueryAPIManager {
 				attrObj.put("text", "");// 属性内容单行文本
 				attrObj.put("value", new JSONArray());// 属性内容集，relation或awsorg类型时存储对应的json数据
 				String inputValue = property.getPropertyValue();
+				inputValue = UtilString.isEmpty(inputValue) ? "" : inputValue;
 				if ("relation".equals(attributeModel.getType())) {
 					List<String> inputValueList = new ArrayList<>();
 					List<DesignerShapeRelationModel> list = DesignerShapeRelationCache.getListByAttrId(plModel.getId(), "", attributeModel.getKey());