代码优化

src/main/java/com/diagbot/facade/ConceptInfoFacade.java

@@ -88,7 +88,8 @@ public class ConceptInfoFacade extends ConceptInfoServiceImpl {
                 .stream()
                 .filter(i -> i.getHasInfo().equals(1))
                 .collect(Collectors.toList());
-        if (staticKnowledgeIndexDTOList.size() > 100) {
+        if (ListUtil.isNotEmpty(staticKnowledgeIndexDTOList)
+                && staticKnowledgeIndexDTOList.size() > 100) {
             staticKnowledgeIndexDTOList = staticKnowledgeIndexDTOList.subList(0, 100);
         }
         return staticKnowledgeIndexDTOList;
@@ -107,7 +108,8 @@ public class ConceptInfoFacade extends ConceptInfoServiceImpl {
                 .stream()
                 .filter(i -> i.getHasInfo().equals(0))
                 .collect(Collectors.toList());
-        if (staticKnowledgeIndexDTOList.size() > 100) {
+        if (ListUtil.isNotEmpty(staticKnowledgeIndexDTOList)
+                && staticKnowledgeIndexDTOList.size() > 100) {
             staticKnowledgeIndexDTOList = staticKnowledgeIndexDTOList.subList(0, 100);
         }
         return staticKnowledgeIndexDTOList;