diff --git a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/APPPayRequest.java b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/APPPayRequest.java
index f70dd329..66e1a8a7 100644
--- a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/APPPayRequest.java
+++ b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/APPPayRequest.java
@@ -2,6 +2,7 @@ package com.foxinmy.weixin4j.payment.mch;
 
 import com.foxinmy.weixin4j.model.WeixinPayAccount;
 import com.foxinmy.weixin4j.payment.PayRequest;
+import com.foxinmy.weixin4j.type.SignType;
 import com.foxinmy.weixin4j.type.TradeType;
 import com.foxinmy.weixin4j.util.DigestUtil;
 import com.foxinmy.weixin4j.util.MapUtil;
@@ -37,16 +38,18 @@ public class APPPayRequest extends AbstractPayRequest {
 				"Sign=WXPay");
 		payRequest.setPartnerId(getPaymentAccount().getPartnerId());
 		payRequest.setPrepayId(getPrePayId());
+		String sign = DigestUtil.MD5(
+				String.format("%s&key=%s",
+						MapUtil.toJoinString(payRequest, false, true),
+						getPaymentAccount().getPaySignKey())).toUpperCase();
+		payRequest.setPaySign(sign);
+		payRequest.setSignType(SignType.MD5);
 		return payRequest;
 	}
 
 	@Override
 	public String toRequestString() {
 		PayRequest payRequest = toRequestObject();
-		String sign = DigestUtil.MD5(
-				String.format("%s&key=%s",
-						MapUtil.toJoinString(payRequest, false, true),
-						getPaymentAccount().getPaySignKey())).toUpperCase();
 		StringBuilder content = new StringBuilder();
 		content.append("<xml>");
 		content.append(String.format("<appid><![CDATA[%s]]></appid>",
@@ -61,7 +64,8 @@ public class APPPayRequest extends AbstractPayRequest {
 				payRequest.getNonceStr()));
 		content.append(String.format("<timestamp><![CDATA[%s]]></timestamp>",
 				payRequest.getTimeStamp()));
-		content.append(String.format("<sign><![CDATA[%s]]></sign>", sign));
+		content.append(String.format("<sign><![CDATA[%s]]></sign>",
+				payRequest.getPaySign()));
 		content.append("</xml>");
 		return content.toString();
 	}
diff --git a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/OpenIdResult.java b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/OpenIdResult.java
index 4ed9436e..2d494554 100644
--- a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/OpenIdResult.java
+++ b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/mch/OpenIdResult.java
@@ -29,13 +29,24 @@ public class OpenIdResult extends MerchantResult {
 	@JSONField(name = "openid")
 	private String openId;
 
+	/**
+	 * 用户在商户appid下的唯一标识
+	 */
+	@XmlElement(name = "sub_openid")
+	@JSONField(name = "sub_openid")
+	private String subOpenId;
+
 	public String getOpenId() {
 		return openId;
 	}
 
+	public String getSubOpenId() {
+		return subOpenId;
+	}
+
 	@Override
 	public String toString() {
-		return "OpenIdResult [openId=" + openId + ", "
-				+ super.toString() + "]";
+		return "OpenIdResult [openId=" + openId + ", subOpenId=" + subOpenId
+				+ ", " + super.toString() + "]";
 	}
 }
diff --git a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/xml/XmlStream.java b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/xml/XmlStream.java
index b7cc350d..5d849743 100644
--- a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/xml/XmlStream.java
+++ b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/xml/XmlStream.java
@@ -44,7 +44,7 @@ import com.foxinmy.weixin4j.util.StringUtil;
 public final class XmlStream {
 	private final static String ROOT_ELEMENT_XML = "xml";
 	private final static String XML_VERSION = "1.0";
-	private final static ConcurrentHashMap<Class<?>, JAXBContext> jaxbContexts = new ConcurrentHashMap<Class<?>, JAXBContext>();;
+	private final static ConcurrentHashMap<Class<?>, JAXBContext> jaxbContexts = new ConcurrentHashMap<Class<?>, JAXBContext>();
 
 	/**
 	 * Xml2Bean
diff --git a/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/api/weixin.properties b/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/api/weixin.properties
index 06f748f5..503db113 100644
--- a/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/api/weixin.properties
+++ b/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/api/weixin.properties
@@ -190,6 +190,12 @@ tag_untagging_uri={api_cgi_url}/tags/members/batchuntagging?access_token=%s
 tag_userids_uri={api_cgi_url}/tags/getidlist?access_token=%s
 # \u83b7\u53d6\u6807\u7b7e\u4e0b\u7c89\u4e1d\u5217\u8868
 tag_user_uri={api_cgi_url}/user/tag/get?access_token=%s
+# \u83b7\u53d6\u9ed1\u540d\u5355\u5217\u8868
+getblacklist_uri={api_cgi_url}/tags/members/getblacklist?access_token=%s
+# \u62c9\u9ed1\u7528\u6237
+batchblacklist_uri={api_cgi_url}/tags/members/batchblacklist?access_token=%s
+# \u53d6\u6d88\u62c9\u9ed1\u7528\u6237
+batchunblacklist_uri={api_cgi_url}/tags/members/batchunblacklist?access_token=%s
 
 # \u521b\u5efa\u5361\u5238
 card_create_uri={api_base_url}/card/create?access_token=%s