辅检优化，当辅检项目不存在时，结果不提取

src/main/java/com/diagbot/model/ai/process/EntityProcessPacs.java

@@ -18,6 +18,23 @@ import java.util.stream.Collectors;
 public class EntityProcessPacs extends EntityProcess {
 
     public void extractEntity(JSONObject aiOut, PacsLabel pacsLabel) {
+        // 辅检项目
+        List<Lemma> pacsAll = createEntityTree(aiOut, EntityEnum.AUXILIARY_EXAMINATION.toString());
+        // 如果辅检项目为空，就不存在辅检提取的其他内容
+        if (ListUtil.isEmpty(pacsAll)) {
+            return ;
+        }
+        List<Item> collect = Lists.newArrayList();
+        if(ListUtil.isNotEmpty(pacsAll)) {
+            collect = pacsAll.stream().map(x -> {
+                Item item = new Item();
+                item.setName(x.getText());
+                item.setUniqueName(x.getText());
+                return item;
+            }).collect(Collectors.toList());
+        }
+        pacsLabel.setItem(collect);
+
         // 获取描述和部位、修饰的关系
         List<Pacs> pacsResults = new ArrayList<>(); // 辅检提取的描述信息
         List<Lemma> pacsLemmas = createEntityTree(aiOut, EntityEnum.AUXILIARY_DESCRIPT.toString());
@@ -48,18 +65,7 @@ public class EntityProcessPacs extends EntityProcess {
         }
         pacsLabel.setPacsResults(pacsResults);
 
-        // 辅检项目
-        List<Lemma> pacsAll = createEntityTree(aiOut, EntityEnum.AUXILIARY_EXAMINATION.toString());
-        List<Item> collect = Lists.newArrayList();
-        if(ListUtil.isNotEmpty(pacsAll)) {
-            collect = pacsAll.stream().map(x -> {
-                Item item = new Item();
-                item.setName(x.getText());
-                item.setUniqueName(x.getText());
-                return item;
-            }).collect(Collectors.toList());
-        }
-        pacsLabel.setItem(collect);
+
 
         // 辅检诊断
         List<Lemma> pacsDisease = createEntityTree(aiOut, EntityEnum.DIEASE.toString());