diff --git a/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/model/Group.java b/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/model/Group.java
index da213b63..b1e784f2 100644
--- a/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/model/Group.java
+++ b/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/model/Group.java
@@ -2,6 +2,9 @@ package com.foxinmy.weixin4j.mp.model;
 
 import java.io.Serializable;
 
+import com.alibaba.fastjson.annotation.JSONCreator;
+import com.alibaba.fastjson.annotation.JSONField;
+
 /**
  * 分组
  * 
@@ -26,26 +29,6 @@ public class Group implements Serializable {
 	 */
 	private int count;
 
-	public int getId() {
-		return id;
-	}
-
-	public void setId(int id) {
-		this.id = id;
-	}
-
-	public String getName() {
-		return name;
-	}
-
-	public void setName(String name) {
-		this.name = name;
-	}
-
-	public int getCount() {
-		return count;
-	}
-
 	public Group(int id, String name) {
 		this.id = id;
 		this.name = name;
@@ -55,8 +38,25 @@ public class Group implements Serializable {
 		this.name = name;
 	}
 
-	public Group() {
+	@JSONCreator
+	public Group(@JSONField(name = "id") int id,
+			@JSONField(name = "name") String name,
+			@JSONField(name = "count") int count) {
+		this.id = id;
+		this.name = name;
+		this.count = count;
+	}
 
+	public int getId() {
+		return id;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public int getCount() {
+		return count;
 	}
 
 	/**
diff --git a/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/token/WeixinTokenCreator.java b/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/token/WeixinTokenCreator.java
index 387027e2..e850f14c 100644
--- a/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/token/WeixinTokenCreator.java
+++ b/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/token/WeixinTokenCreator.java
@@ -50,6 +50,7 @@ public class WeixinTokenCreator extends AbstractTokenCreator {
 		WeixinResponse response = weixinExecutor.get(tokenUrl);
 		Token token = response.getAsObject(new TypeReference<Token>() {
 		});
+		token.setCreateTime(System.currentTimeMillis());
 		token.setOriginalResult(response.getAsString());
 		return token;
 	}
diff --git a/weixin4j-mp/src/test/java/com/foxinmy/weixin4j/mp/test/GroupTest.java b/weixin4j-mp/src/test/java/com/foxinmy/weixin4j/mp/test/GroupTest.java
index 85820901..db65da71 100644
--- a/weixin4j-mp/src/test/java/com/foxinmy/weixin4j/mp/test/GroupTest.java
+++ b/weixin4j-mp/src/test/java/com/foxinmy/weixin4j/mp/test/GroupTest.java
@@ -36,10 +36,8 @@ public class GroupTest extends TokenTest {
 	@Test
 	public void get() throws WeixinException {
 		List<Group> groups = groupApi.getGroups();
-		for (Group group : groups) {
-			System.out.println(group.toModifyJson());
-		}
-		Assert.assertEquals(1, groups.size());
+		System.err.println(groups);
+		Assert.assertTrue(groups.size() > 0);
 	}
 
 	@Test
diff --git a/weixin4j-qy/src/main/java/com/foxinmy/weixin4j/qy/token/WeixinTokenCreator.java b/weixin4j-qy/src/main/java/com/foxinmy/weixin4j/qy/token/WeixinTokenCreator.java
index 233d956a..3eaa35b0 100644
--- a/weixin4j-qy/src/main/java/com/foxinmy/weixin4j/qy/token/WeixinTokenCreator.java
+++ b/weixin4j-qy/src/main/java/com/foxinmy/weixin4j/qy/token/WeixinTokenCreator.java
@@ -50,6 +50,7 @@ public class WeixinTokenCreator extends AbstractTokenCreator {
 		WeixinResponse response = weixinExecutor.get(tokenUrl);
 		Token token = response.getAsObject(new TypeReference<Token>() {
 		});
+		token.setCreateTime(System.currentTimeMillis());
 		token.setOriginalResult(response.getAsString());
 		return token;
 	}