diff --git a/src/main/java/ru/ulstu/method/Method.java b/src/main/java/ru/ulstu/method/Method.java
index 9a43772..4451eb1 100644
--- a/src/main/java/ru/ulstu/method/Method.java
+++ b/src/main/java/ru/ulstu/method/Method.java
@@ -7,8 +7,7 @@
 package ru.ulstu.method;
 
 import com.fasterxml.jackson.annotation.JsonIgnore;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
+import com.fasterxml.jackson.annotation.JsonProperty;
 import ru.ulstu.TimeSeriesUtils;
 import ru.ulstu.datamodel.Model;
 import ru.ulstu.datamodel.exception.ForecastValidateException;
@@ -24,8 +23,6 @@ import java.util.List;
  * Наиболее общая логика моделировании и прогнозирования временных рядов
  */
 public abstract class Method {
-    private static final Logger LOGGER = LoggerFactory.getLogger(Method.class);
-
     @JsonIgnore
     public abstract List<MethodParameter> getAvailableParameters();
 
@@ -135,6 +132,7 @@ public abstract class Method {
     }
 
     @Override
+    @JsonProperty("name")
     public String toString() {
         return getClass().getSimpleName();
     }
diff --git a/src/main/java/ru/ulstu/score/Smape.java b/src/main/java/ru/ulstu/score/Smape.java
index 1b1655d..4b5af9e 100644
--- a/src/main/java/ru/ulstu/score/Smape.java
+++ b/src/main/java/ru/ulstu/score/Smape.java
@@ -32,7 +32,7 @@ public class Smape extends ScoreMethod {
             sum += abs(modelValue.getValue() - actualValue)
                     / ((abs(actualValue) + abs(modelValue.getValue())) / 2);
         }
-        sum = Math.round(sum * 100) / 100;
+        sum = (double) Math.round(sum * 100) / 100;
         return sum * 100 / model.getLength();
     }
 }
\ No newline at end of file
diff --git a/src/main/java/ru/ulstu/service/TimeSeriesService.java b/src/main/java/ru/ulstu/service/TimeSeriesService.java
index e1fff5d..f548bf0 100644
--- a/src/main/java/ru/ulstu/service/TimeSeriesService.java
+++ b/src/main/java/ru/ulstu/service/TimeSeriesService.java
@@ -6,8 +6,6 @@
 
 package ru.ulstu.service;
 
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
 import org.springframework.stereotype.Service;
 import ru.ulstu.datamodel.ModelingResult;
 import ru.ulstu.datamodel.exception.ModelingException;
@@ -19,7 +17,6 @@ import java.util.concurrent.ExecutionException;
 
 @Service
 public class TimeSeriesService {
-    private static final Logger LOGGER = LoggerFactory.getLogger(TimeSeriesService.class);
     private final MethodParamBruteForce methodParamBruteForce;
 
     public TimeSeriesService(MethodParamBruteForce methodParamBruteForce) {