Merge branch 'master' of https://github.com/hs-web/hsweb-framework into 2.2.1-SNAPSHOT

hsweb-web-controller/src/main/java/org/hsweb/web/controller/MessageConverterConfiguration.java

@@ -15,10 +15,12 @@ public class MessageConverterConfiguration {
     @Bean
     public HttpMessageConverter<Object> converter() {
         FastJsonHttpMessageConverter converter = new FastJsonHttpMessageConverter();
-        converter.setFeatures(SerializerFeature.WriteNullListAsEmpty);
-        converter.setFeatures(SerializerFeature.WriteNullNumberAsZero);
-        converter.setFeatures(SerializerFeature.WriteNullBooleanAsFalse);
-        converter.setFeatures(SerializerFeature.WriteDateUseDateFormat);
-        return converter;
+        converter.setFeatures(
+        SerializerFeature.WriteNullListAsEmpty,
+        SerializerFeature.WriteNullNumberAsZero,
+        SerializerFeature.WriteNullBooleanAsFalse,
+        SerializerFeature.WriteDateUseDateFormat
+       );
+            return converter;
     }
 }