添加抽取症状接口、整理代码

nlp-web/src/main/java/org/diagbot/nlp/controller/FeatureController.java

@@ -58,7 +58,7 @@ public class FeatureController extends BaseController<Feature, FeatureWrapper, L
      *
      * @return
      */
-    @RequestMapping({"/generate"})
+    @RequestMapping({"/find_symptom_feature"})
     @ResponseBody
     public Response findSymptomFeature(HttpServletRequest request, String text) throws Exception {
         Response response = new Response();