fixed format

common/src/main/java/com/alibaba/otter/canal/common/utils/JsonUtils.java

@@ -90,7 +90,7 @@ public class JsonUtils {
 
         @Override
         public void write(JSONSerializer serializer, Object object, Object fieldName, Type fieldType, int features)
-                                                                                                     throws IOException {
+                                                                                                                   throws IOException {
             if (object == null) {
                 serializer.writeNull();
                 return;