1、提取特征添加诊断依据其他

nlp/src/main/java/org/diagbot/nlp/feature/extract/CaseTokenFeature.java

@@ -14,7 +14,7 @@ import java.util.Map;
 public class CaseTokenFeature extends CaseToken {
     private NegativeEnum[] nees_symptom = new NegativeEnum[]{NegativeEnum.SYMPTOM,
             NegativeEnum.BODY_PART, NegativeEnum.PROPERTY, NegativeEnum.DEEP, NegativeEnum.DISEASE,
-            NegativeEnum.CAUSE, NegativeEnum.VITAL_RESULT};
+            NegativeEnum.CAUSE, NegativeEnum.VITAL_RESULT, NegativeEnum.DIAG_STAND};
 
     {
         stop_symbol = NlpUtil.extendsSymbol(stop_symbol, new String[]{",", "，", ":", "："});