diff --git a/core/src/main/java/com/taobao/arthas/core/command/monitor200/TimeTunnelCommand.java b/core/src/main/java/com/taobao/arthas/core/command/monitor200/TimeTunnelCommand.java
index 9c4f301c8e..700416165a 100644
--- a/core/src/main/java/com/taobao/arthas/core/command/monitor200/TimeTunnelCommand.java
+++ b/core/src/main/java/com/taobao/arthas/core/command/monitor200/TimeTunnelCommand.java
@@ -9,11 +9,7 @@
 import com.taobao.arthas.core.command.Constants;
 import com.taobao.arthas.core.command.express.ExpressException;
 import com.taobao.arthas.core.command.express.ExpressFactory;
-import com.taobao.arthas.core.command.model.MessageModel;
-import com.taobao.arthas.core.command.model.ObjectVO;
-import com.taobao.arthas.core.command.model.RowAffectModel;
-import com.taobao.arthas.core.command.model.TimeFragmentVO;
-import com.taobao.arthas.core.command.model.TimeTunnelModel;
+import com.taobao.arthas.core.command.model.*;
 import com.taobao.arthas.core.shell.command.CommandProcess;
 import com.taobao.arthas.core.shell.handlers.command.CommandInterruptHandler;
 import com.taobao.arthas.core.shell.handlers.shell.QExitHandler;
@@ -22,15 +18,10 @@
 import com.taobao.arthas.core.util.StringUtils;
 import com.taobao.arthas.core.util.affect.RowAffect;
 import com.taobao.arthas.core.util.matcher.Matcher;
-import com.taobao.middleware.cli.annotations.Description;
-import com.taobao.middleware.cli.annotations.Name;
-import com.taobao.middleware.cli.annotations.Option;
-import com.taobao.middleware.cli.annotations.Summary;
-import com.taobao.middleware.cli.annotations.Argument;
+import com.taobao.middleware.cli.annotations.*;
 
 import java.time.LocalDateTime;
 import java.util.ArrayList;
-import java.util.Date;
 import java.util.LinkedHashMap;
 import java.util.List;
 import java.util.Map;
diff --git a/core/src/main/java/com/taobao/arthas/core/command/monitor200/TimeTunnelTable.java b/core/src/main/java/com/taobao/arthas/core/command/monitor200/TimeTunnelTable.java
index 22d238279c..bc759286bb 100644
--- a/core/src/main/java/com/taobao/arthas/core/command/monitor200/TimeTunnelTable.java
+++ b/core/src/main/java/com/taobao/arthas/core/command/monitor200/TimeTunnelTable.java
@@ -13,8 +13,7 @@
 import java.io.PrintWriter;
 import java.io.StringWriter;
 import java.lang.reflect.InvocationTargetException;
-import java.text.SimpleDateFormat;
-import java.util.Date;
+import java.time.LocalDateTime;
 import java.util.List;
 import java.util.Map;
 
@@ -93,9 +92,8 @@ static TableElement fillTableRow(TableElement table, TimeFragmentVO tf) {
     }
 
     public static void drawTimeTunnel(TableElement table, TimeFragmentVO tf) {
-        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
         table.row("INDEX", "" + tf.getIndex())
-                .row("GMT-CREATE", sdf.format(tf.getTimestamp()))
+                .row("GMT-CREATE", DateUtils.formatDateTime(tf.getTimestamp()))
                 .row("COST(ms)", "" + tf.getCost())
                 .row("OBJECT", tf.getObject())
                 .row("CLASS", tf.getClassName())
@@ -161,9 +159,8 @@ public static void drawWatchResults(TableElement table, Map<Integer, ObjectVO> w
 
     public static TableElement drawPlayHeader(String className, String methodName, String objectAddress, int index,
                                        TableElement table) {
-        SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
         return table.row("RE-INDEX", "" + index)
-                .row("GMT-REPLAY", sdf.format(new Date()))
+                .row("GMT-REPLAY", DateUtils.formatDateTime(LocalDateTime.now()))
                 .row("OBJECT", objectAddress)
                 .row("CLASS", className)
                 .row("METHOD", methodName);
diff --git a/core/src/main/java/com/taobao/arthas/core/command/view/MonitorView.java b/core/src/main/java/com/taobao/arthas/core/command/view/MonitorView.java
index 78be134a20..a5a644a608 100644
--- a/core/src/main/java/com/taobao/arthas/core/command/view/MonitorView.java
+++ b/core/src/main/java/com/taobao/arthas/core/command/view/MonitorView.java
@@ -9,7 +9,6 @@
 import com.taobao.text.util.RenderUtil;
 
 import java.text.DecimalFormat;
-import java.text.SimpleDateFormat;
 
 import static com.taobao.text.ui.Element.label;
 
diff --git a/core/src/main/java/com/taobao/arthas/core/util/DateUtils.java b/core/src/main/java/com/taobao/arthas/core/util/DateUtils.java
index 50bb357f8d..2efa0dedb2 100644
--- a/core/src/main/java/com/taobao/arthas/core/util/DateUtils.java
+++ b/core/src/main/java/com/taobao/arthas/core/util/DateUtils.java
@@ -12,7 +12,7 @@ private DateUtils() {
         throw new AssertionError();
     }
 
-    public static DateTimeFormatter DATE_TIME_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS");
+    private static final DateTimeFormatter DATE_TIME_FORMATTER = DateTimeFormatter.ofPattern("yyyy-MM-dd HH:mm:ss.SSS");
 
     public static String getCurrentDateTime() {
         return DATE_TIME_FORMATTER.format(LocalDateTime.now());