diff --git a/core/src/main/java/com/taobao/arthas/core/advisor/ReflectAdviceListenerAdapter.java b/core/src/main/java/com/taobao/arthas/core/advisor/ReflectAdviceListenerAdapter.java
index cde1d75f..f49a80a7 100644
--- a/core/src/main/java/com/taobao/arthas/core/advisor/ReflectAdviceListenerAdapter.java
+++ b/core/src/main/java/com/taobao/arthas/core/advisor/ReflectAdviceListenerAdapter.java
@@ -202,11 +202,11 @@ public abstract class ReflectAdviceListenerAdapter implements AdviceListener {
      */
     protected boolean isConditionMet(String conditionExpress, Advice advice, double cost) throws ExpressException {
         return StringUtils.isEmpty(conditionExpress) ||
-                ExpressFactory.newExpress(advice).bind(Constants.COST_VARIABLE, cost).is(conditionExpress);
+                ExpressFactory.threadLocalExpress(advice).bind(Constants.COST_VARIABLE, cost).is(conditionExpress);
     }
 
     protected Object getExpressionResult(String express, Advice advice, double cost) throws ExpressException {
-        return ExpressFactory.newExpress(advice)
+        return ExpressFactory.threadLocalExpress(advice)
                 .bind(Constants.COST_VARIABLE, cost).get(express);
     }
 
diff --git a/core/src/main/java/com/taobao/arthas/core/command/express/ExpressFactory.java b/core/src/main/java/com/taobao/arthas/core/command/express/ExpressFactory.java
index 958b5e57..34eaab0f 100644
--- a/core/src/main/java/com/taobao/arthas/core/command/express/ExpressFactory.java
+++ b/core/src/main/java/com/taobao/arthas/core/command/express/ExpressFactory.java
@@ -1,8 +1,9 @@
 package com.taobao.arthas.core.command.express;
 
 /**
- * 表达式工厂类
+ * ExpressFactory
  * @author ralf0131 2017-01-04 14:40.
+ * @author hengyunabc 2018-10-08
  */
 public class ExpressFactory {
 
@@ -14,12 +15,11 @@ public class ExpressFactory {
     };
 
     /**
-     * 构造表达式执行类
-     *
-     * @param object 执行对象
-     * @return 返回表达式实现
+     * get ThreadLocal Express Object
+     * @param object
+     * @return
      */
-    public static Express newExpress(Object object) {
+    public static Express threadLocalExpress(Object object) {
         return expressRef.get().reset().bind(object);
     }
 
diff --git a/core/src/main/java/com/taobao/arthas/core/command/klass100/GetStaticCommand.java b/core/src/main/java/com/taobao/arthas/core/command/klass100/GetStaticCommand.java
index 5f495227..812e7907 100644
--- a/core/src/main/java/com/taobao/arthas/core/command/klass100/GetStaticCommand.java
+++ b/core/src/main/java/com/taobao/arthas/core/command/klass100/GetStaticCommand.java
@@ -128,7 +128,7 @@ public class GetStaticCommand extends AnnotatedCommand {
                 Object value = field.get(null);
 
                 if (!StringUtils.isEmpty(express)) {
-                    value = ExpressFactory.newExpress(value).get(express);
+                    value = ExpressFactory.threadLocalExpress(value).get(express);
                 }
 
                 String result = StringUtils.objectToString(expand >= 0 ? new ObjectView(value, expand).draw() : value);
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 f10fc026..9123aea8 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
@@ -332,7 +332,7 @@ public class TimeTunnelCommand extends EnhancerCommand {
             }
 
             Advice advice = tf.getAdvice();
-            Object value = ExpressFactory.newExpress(advice).get(watchExpress);
+            Object value = ExpressFactory.threadLocalExpress(advice).get(watchExpress);
             if (isNeedExpand()) {
                 process.write(new ObjectView(value, expand, sizeLimit).draw()).write("\n");
             } else {
@@ -361,7 +361,7 @@ public class TimeTunnelCommand extends EnhancerCommand {
                 Advice advice = tf.getAdvice();
 
                 // 搜索出匹配的时间片段
-                if ((ExpressFactory.newExpress(advice)).is(searchExpress)) {
+                if ((ExpressFactory.threadLocalExpress(advice)).is(searchExpress)) {
                     matchingTimeSegmentMap.put(index, tf);
                 }
             }
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 677f6aa9..5ad73e96 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
@@ -162,7 +162,7 @@ public class TimeTunnelTable {
                                  String watchExpress, boolean isNeedExpand, int expandLevel, int sizeLimit)
             throws ExpressException {
         for (Map.Entry<Integer, TimeFragment> entry : matchingTimeSegmentMap.entrySet()) {
-            Object value = ExpressFactory.newExpress(entry.getValue().getAdvice()).get(watchExpress);
+            Object value = ExpressFactory.threadLocalExpress(entry.getValue().getAdvice()).get(watchExpress);
             table.row("" + entry.getKey(), "" +
                     (isNeedExpand ? new ObjectView(value, expandLevel, sizeLimit).draw() : StringUtils.objectToString(value)));
         }