diff --git a/build.gradle b/build.gradle
index 1e44c694..014975fa 100644
--- a/build.gradle
+++ b/build.gradle
@@ -24,20 +24,4 @@ subprojects {
         testCompile "org.spockframework:spock-core:1.0-groovy-2.+"
     }
 
-}
-
-//    id 'project-report'
-//    id 'build-dashboard'
-
-
-
-
-//htmlDependencyReport {
-//    projects = project.allprojects
-//}
-
-
-
-task wrapper(type: Wrapper) {
-    gradleVersion = '3.5.0'
 }
\ No newline at end of file
diff --git a/numass-main/src/main/java/inr/numass/actions/MergeDataAction.java b/numass-main/src/main/java/inr/numass/actions/MergeDataAction.java
index 1936baeb..13cb55a5 100644
--- a/numass-main/src/main/java/inr/numass/actions/MergeDataAction.java
+++ b/numass-main/src/main/java/inr/numass/actions/MergeDataAction.java
@@ -35,7 +35,7 @@ import java.util.*;
  * @author Darksnake
  */
 @TypedActionDef(name = "numass.merge", inputType = Table.class, outputType = Table.class, info = "Merge different numass data files into one.")
-@NodeDef(name = "grouping", info = "The definition of grouping rule for this merge", target = "method::hep.dataforge.actions.GroupBuilder.byMeta")
+@NodeDef(name = "grouping", info = "The definition of grouping rule for this merge", from = "method::hep.dataforge.actions.GroupBuilder.byMeta")
 public class MergeDataAction extends ManyToOneAction<Table, Table> {
 
     public static final String MERGE_NAME = "mergeName";
diff --git a/numass-main/src/main/java/inr/numass/actions/TransformDataAction.java b/numass-main/src/main/java/inr/numass/actions/TransformDataAction.java
index de263d15..3bf079ef 100644
--- a/numass-main/src/main/java/inr/numass/actions/TransformDataAction.java
+++ b/numass-main/src/main/java/inr/numass/actions/TransformDataAction.java
@@ -34,7 +34,7 @@ import static inr.numass.utils.NumassUtils.pointExpression;
 @ValueDef(name = "correction",
         info = "An expression to correct count number depending on potential `U`, point length `T` and point itself as `point`")
 @ValueDef(name = "utransform", info = "Expression for voltage transformation. Uses U as input")
-@NodeDef(name = "correction", multiple = true, target = "method::inr.numass.actions.TransformDataAction.makeCorrection")
+@NodeDef(name = "correction", multiple = true, from = "method::inr.numass.actions.TransformDataAction.makeCorrection")
 public class TransformDataAction extends OneToOneAction<Table, Table> {
 
     @Override