diff --git a/server-core/src/main/java/io/onedev/server/model/Build.java b/server-core/src/main/java/io/onedev/server/model/Build.java
index 77476d3b03..e2531497c7 100644
--- a/server-core/src/main/java/io/onedev/server/model/Build.java
+++ b/server-core/src/main/java/io/onedev/server/model/Build.java
@@ -519,25 +519,21 @@ public class Build extends AbstractEntity implements Referenceable {
 		if (!checkedParamNames.add(paramName))
 			return false;
 		
-		ParamSpec paramSpec = getJob().getParamSpecMap().get(paramName);
-		if (paramSpec != null) {
-			if (paramSpec.getShowCondition() != null) {
-				Input dependentInput = getParamInputs().get(paramSpec.getShowCondition().getInputName());
-				Preconditions.checkNotNull(dependentInput);
-				String value;
-				if (!dependentInput.getValues().isEmpty())
-					value = dependentInput.getValues().iterator().next();
-				else
-					value = null;
-				if (paramSpec.getShowCondition().getValueMatcher().matches(value)) 
-					return isParamVisible(dependentInput.getName(), checkedParamNames);
-				else 
-					return false;
-			} else {
-				return true;
-			}
+		ParamSpec paramSpec = Preconditions.checkNotNull(getJob().getParamSpecMap().get(paramName));
+		if (paramSpec.getShowCondition() != null) {
+			Input dependentInput = getParamInputs().get(paramSpec.getShowCondition().getInputName());
+			Preconditions.checkNotNull(dependentInput);
+			String value;
+			if (!dependentInput.getValues().isEmpty())
+				value = dependentInput.getValues().iterator().next();
+			else
+				value = null;
+			if (paramSpec.getShowCondition().getValueMatcher().matches(value)) 
+				return isParamVisible(dependentInput.getName(), checkedParamNames);
+			else 
+				return false;
 		} else {
-			return false;
+			return true;
 		}
 	}
 	
diff --git a/server-core/src/main/java/io/onedev/server/web/component/build/ParamValuesLabel.java b/server-core/src/main/java/io/onedev/server/web/component/build/ParamValuesLabel.java
new file mode 100644
index 0000000000..5a68817aab
--- /dev/null
+++ b/server-core/src/main/java/io/onedev/server/web/component/build/ParamValuesLabel.java
@@ -0,0 +1,27 @@
+package io.onedev.server.web.component.build;
+
+import org.apache.wicket.markup.html.basic.Label;
+import org.apache.wicket.model.Model;
+
+import io.onedev.commons.utils.StringUtils;
+import io.onedev.server.buildspec.job.paramspec.ParamSpec;
+import io.onedev.server.util.Input;
+import io.onedev.server.util.inputspec.SecretInput;
+
+@SuppressWarnings("serial")
+public class ParamValuesLabel extends Label {
+
+	public ParamValuesLabel(String id, Input param) {
+		super(id);
+
+		if (param.getType().equals(ParamSpec.SECRET)) {
+			setDefaultModel(Model.of(SecretInput.MASK));
+		} else if (!param.getValues().isEmpty()) {
+			setDefaultModel(Model.of(StringUtils.join(param.getValues(), ",")));
+		} else {
+			setDefaultModel(Model.of("<i>Unspecified</i>"));
+			setEscapeModelStrings(false);
+		}
+	}
+	
+}
diff --git a/server-core/src/main/java/io/onedev/server/web/component/build/list/BuildListPanel.java b/server-core/src/main/java/io/onedev/server/web/component/build/list/BuildListPanel.java
index cf8ece54ee..7e0b2c2c45 100644
--- a/server-core/src/main/java/io/onedev/server/web/component/build/list/BuildListPanel.java
+++ b/server-core/src/main/java/io/onedev/server/web/component/build/list/BuildListPanel.java
@@ -49,7 +49,6 @@ import com.google.common.collect.Sets;
 import de.agilecoders.wicket.core.markup.html.bootstrap.common.NotificationPanel;
 import io.onedev.commons.utils.StringUtils;
 import io.onedev.server.OneDev;
-import io.onedev.server.buildspec.job.paramspec.ParamSpec;
 import io.onedev.server.entitymanager.BuildManager;
 import io.onedev.server.entitymanager.BuildParamManager;
 import io.onedev.server.entitymanager.ProjectManager;
@@ -63,12 +62,11 @@ import io.onedev.server.search.entity.build.BuildQuery;
 import io.onedev.server.util.BuildConstants;
 import io.onedev.server.util.Input;
 import io.onedev.server.util.SecurityUtils;
-import io.onedev.server.util.inputspec.SecretInput;
 import io.onedev.server.web.WebConstants;
 import io.onedev.server.web.behavior.BuildQueryBehavior;
 import io.onedev.server.web.behavior.WebSocketObserver;
 import io.onedev.server.web.behavior.clipboard.CopyClipboardBehavior;
-import io.onedev.server.web.component.MultilineLabel;
+import io.onedev.server.web.component.build.ParamValuesLabel;
 import io.onedev.server.web.component.build.status.BuildStatusIcon;
 import io.onedev.server.web.component.datatable.DefaultDataTable;
 import io.onedev.server.web.component.datatable.LoadableDetachableDataProvider;
@@ -557,8 +555,8 @@ public abstract class BuildListPanel extends Panel {
 			}
 		});
 
-		for (String param: getListParams()) {
-			columns.add(new AbstractColumn<Build, Void>(Model.of(param)) {
+		for (String paramName: getListParams()) {
+			columns.add(new AbstractColumn<Build, Void>(Model.of(paramName)) {
 
 				@Override
 				public String getCssClass() {
@@ -566,22 +564,13 @@ public abstract class BuildListPanel extends Panel {
 				}
 
 				@Override
-				public void populateItem(Item<ICellPopulator<Build>> cellItem, String componentId,
-						IModel<Build> rowModel) {
+				public void populateItem(Item<ICellPopulator<Build>> cellItem, String componentId, IModel<Build> rowModel) {
 					Build build = rowModel.getObject();
-					if (build.isParamVisible(param)) {
-						Input input = build.getParamInputs().get(param);
-						if (input != null) {
-							if (input.getType().equals(ParamSpec.SECRET))
-								cellItem.add(new Label(componentId, SecretInput.MASK));
-							else
-								cellItem.add(new MultilineLabel(componentId, StringUtils.join(input.getValues(), ",")));
-						} else {
-							cellItem.add(new Label(componentId, "<i>Undefined</i>").setEscapeModelStrings(false));
-						}
-					} else {
-						cellItem.add(new Label(componentId, "<i>Undefined</i>").setEscapeModelStrings(false));
-					}
+					Input param = build.getParamInputs().get(paramName);
+					if (param != null && build.isParamVisible(paramName))
+						cellItem.add(new ParamValuesLabel(componentId, param));
+					else
+						cellItem.add(new Label(componentId, "<i>Unspecified</i>").setEscapeModelStrings(false));
 				}
 				
 			});
diff --git a/server-core/src/main/java/io/onedev/server/web/component/build/side/BuildSidePanel.java b/server-core/src/main/java/io/onedev/server/web/component/build/side/BuildSidePanel.java
index b1583ca9d3..235b425b2b 100644
--- a/server-core/src/main/java/io/onedev/server/web/component/build/side/BuildSidePanel.java
+++ b/server-core/src/main/java/io/onedev/server/web/component/build/side/BuildSidePanel.java
@@ -24,9 +24,7 @@ import org.apache.wicket.request.mapper.parameter.PageParameters;
 import org.apache.wicket.util.time.Duration;
 import org.eclipse.jgit.revwalk.RevCommit;
 
-import io.onedev.commons.utils.StringUtils;
 import io.onedev.server.OneDev;
-import io.onedev.server.buildspec.job.paramspec.ParamSpec;
 import io.onedev.server.entitymanager.BuildManager;
 import io.onedev.server.git.GitUtils;
 import io.onedev.server.model.Build;
@@ -36,10 +34,9 @@ import io.onedev.server.search.entity.build.BuildQuery;
 import io.onedev.server.util.DateUtils;
 import io.onedev.server.util.Input;
 import io.onedev.server.util.SecurityUtils;
-import io.onedev.server.util.inputspec.SecretInput;
 import io.onedev.server.util.userident.UserIdent;
 import io.onedev.server.web.behavior.clipboard.CopyClipboardBehavior;
-import io.onedev.server.web.component.MultilineLabel;
+import io.onedev.server.web.component.build.ParamValuesLabel;
 import io.onedev.server.web.component.entity.nav.EntityNavPanel;
 import io.onedev.server.web.component.job.JobDefLink;
 import io.onedev.server.web.component.link.ViewStateAwarePageLink;
@@ -211,10 +208,7 @@ public abstract class BuildSidePanel extends Panel {
 			protected void populateItem(ListItem<Input> item) {
 				Input param = item.getModelObject();
 				item.add(new Label("name", param.getName()));
-				if (param.getType().equals(ParamSpec.SECRET))
-					item.add(new Label("value", SecretInput.MASK));
-				else
-					item.add(new MultilineLabel("value", StringUtils.join(param.getValues(), ",")));
+				item.add(new ParamValuesLabel("value", param));
 			}
 
 			@Override