义务妇保：处理主诉为空的情况

kernel/src/main/java/com/lantone/qc/kernel/catalogue/behospitalized/BEH03332.java

@@ -38,8 +38,11 @@ public class BEH03332 extends QCCatalogue {
             return;
         }
         ChiefLabel chiefLabel = beHospitalizedDoc.getChiefLabel();
+        if(chiefLabel==null){
+            return;
+        }
         String chiefLabelText = chiefLabel.getText();
-        if (chiefLabel == null || StringUtil.isEmpty(chiefLabelText)) {
+        if (StringUtil.isEmpty(chiefLabelText)) {
             return;
         }
         String rex=Content.SJZZ_TIME;