修改症状末尾添加诊断依据标准词方法

bigdata-web/src/main/java/org/diagbot/bigdata/work/ParamsDataProxy.java

@@ -51,9 +51,11 @@ public class ParamsDataProxy {
         }
         //给症状末尾添加诊断依据标准词
         ApplicationCacheUtil.getKl_result_mapping_standword_map();
-        LexemePath<Lexeme> featureData = util.participle(searchData.getSymptom());
-        if (null != featureData) {
-            addStandWord(featureData, ApplicationCacheUtil.kl_result_mapping_standword_map, searchData);
+        if (searchData.getSymptom() != null) {
+            LexemePath<Lexeme> featureData = util.participle(searchData.getSymptom());
+            if (featureData != null) {
+                addStandWord(featureData, ApplicationCacheUtil.kl_result_mapping_standword_map, searchData);
+            }
         }
         //所有信息参与推送
         searchData.setSymptom(searchData.getSymptom() + searchData.getVital()