diff --git a/pom.xml b/pom.xml
index d4cc7929..a586f9e7 100644
--- a/pom.xml
+++ b/pom.xml
@@ -4,7 +4,7 @@
 	<modelVersion>4.0.0</modelVersion>
 	<groupId>com.foxinmy</groupId>
 	<artifactId>weixin4j</artifactId>
-	<version>1.7.8</version>
+	<version>1.7.9</version>
 	<packaging>pom</packaging>
 	<name>weixin4j</name>
 	<url>https://github.com/foxinmy/weixin4j</url>
diff --git a/weixin4j-base/pom.xml b/weixin4j-base/pom.xml
index 2ab03a7d..9bf3d98a 100644
--- a/weixin4j-base/pom.xml
+++ b/weixin4j-base/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>com.foxinmy</groupId>
 		<artifactId>weixin4j</artifactId>
-		<version>1.7.8</version>
+		<version>1.7.9</version>
 	</parent>
 	<artifactId>weixin4j-base</artifactId>
 	<name>weixin4j-base</name>
diff --git a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/WeixinPayProxy.java b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/WeixinPayProxy.java
index 76bc4c17..3c4ef17c 100644
--- a/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/WeixinPayProxy.java
+++ b/weixin4j-base/src/main/java/com/foxinmy/weixin4j/payment/WeixinPayProxy.java
@@ -864,5 +864,5 @@ public class WeixinPayProxy {
         return customsApi.queryCustomsOrder(idQuery, customsCity);
     }
 
-    public final static String VERSION = "1.7.8";
+    public final static String VERSION = "1.7.9";
 }
diff --git a/weixin4j-example/pom.xml b/weixin4j-example/pom.xml
index 7314962d..dde0fec3 100644
--- a/weixin4j-example/pom.xml
+++ b/weixin4j-example/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>com.foxinmy</groupId>
 		<artifactId>weixin4j</artifactId>
-		<version>1.7.8</version>
+		<version>1.7.9</version>
 	</parent>
 	<packaging>war</packaging>
 	<artifactId>weixin4j-example</artifactId>
@@ -48,19 +48,25 @@
 		<dependency>
 			<groupId>com.foxinmy</groupId>
 			<artifactId>weixin4j-mp</artifactId>
-			<version>1.7.8</version>
+			<version>1.7.9</version>
 		</dependency>
 		<!-- 微信企业号 -->
 		<dependency>
 			<groupId>com.foxinmy</groupId>
 			<artifactId>weixin4j-qy</artifactId>
-			<version>1.7.8</version>
+			<version>1.7.9</version>
 		</dependency>
 		<!-- 微信被动消息(回调模式) -->
 		<dependency>
 			<groupId>com.foxinmy</groupId>
 			<artifactId>weixin4j-server</artifactId>
 			<version>1.1.8</version>
+			<exclusions>
+				<exclusion>
+					<artifactId>netty-all</artifactId>
+					<groupId>io.netty</groupId>
+				</exclusion>
+			</exclusions>
 		</dependency>
 		<dependency>
 			<groupId>org.springframework</groupId>
@@ -89,5 +95,10 @@
 			<artifactId>standard</artifactId>
 			<version>1.1.2</version>
 		</dependency>
+		<dependency>
+			<groupId>com.squareup.okhttp3</groupId>
+			<artifactId>okhttp</artifactId>
+			<version>3.3.1</version>
+		</dependency>
 	</dependencies>
 </project>
\ No newline at end of file
diff --git a/weixin4j-example/src/main/java/PayTest.java b/weixin4j-example/src/main/java/PayTest.java
new file mode 100644
index 00000000..523b3d6a
--- /dev/null
+++ b/weixin4j-example/src/main/java/PayTest.java
@@ -0,0 +1,58 @@
+
+
+import java.io.IOException;
+
+import com.foxinmy.weixin4j.exception.WeixinException;
+import com.foxinmy.weixin4j.model.WeixinPayAccount;
+import com.foxinmy.weixin4j.payment.WeixinPayProxy;
+import com.foxinmy.weixin4j.payment.mch.RefundResult;
+import com.foxinmy.weixin4j.sign.WeixinPaymentSignature;
+import com.foxinmy.weixin4j.sign.WeixinSignature;
+import com.foxinmy.weixin4j.type.CurrencyType;
+import com.foxinmy.weixin4j.type.IdQuery;
+import com.foxinmy.weixin4j.type.IdType;
+import com.foxinmy.weixin4j.type.mch.RefundAccountType;
+
+/**
+ * 支付测试（商户平台）
+ *
+ * @className PayTest
+ * @author jinyu(foxinmy@gmail.com)
+ * @date 2016年1月30日
+ * @since JDK 1.7
+ * @see
+ */
+public class PayTest {
+	protected final static WeixinPayAccount ACCOUNT;
+	protected final static WeixinSignature SIGNATURE;
+	protected final static WeixinPayProxy PAY;
+
+	static {
+		ACCOUNT = new WeixinPayAccount(
+				"wx0d1d598c0c03c999",
+				"GATFzDwbQdbbci3QEQxX2rUBvwTrsMiZ",
+				"10020674",
+				"10020674",
+				"/Users/jy/workspace/feican/canyi-weixin-parent/canyi-weixin-service/src/main/resources/10020674.p12");
+		SIGNATURE = new WeixinPaymentSignature(ACCOUNT.getPaySignKey());
+		PAY = new WeixinPayProxy(ACCOUNT);
+	}
+
+	public static void refund() throws WeixinException, IOException {
+		IdQuery idQuery = new IdQuery("TT_1427183696238", IdType.TRADENO);
+		RefundResult result = PAY.applyRefund(idQuery,
+				"TT_R" + System.currentTimeMillis(), 0.01d, 0.01d,
+				CurrencyType.CNY, "10020674", "退款描述",
+				RefundAccountType.REFUND_SOURCE_RECHARGE_FUNDS);
+		System.err.println(result);
+		String sign = result.getSign();
+		result.setSign(null);
+		String valiSign = SIGNATURE.sign(result);
+		System.err
+				.println(String.format("sign=%s,valiSign=%s", sign, valiSign));
+	}
+	
+	public static void main(String[] args) throws WeixinException, IOException{
+		refund();
+	}
+}
\ No newline at end of file
diff --git a/weixin4j-mp/pom.xml b/weixin4j-mp/pom.xml
index fbe4745f..0e0ee994 100644
--- a/weixin4j-mp/pom.xml
+++ b/weixin4j-mp/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>com.foxinmy</groupId>
 		<artifactId>weixin4j</artifactId>
-		<version>1.7.8</version>
+		<version>1.7.9</version>
 	</parent>
 	<artifactId>weixin4j-mp</artifactId>
 	<name>weixin4j-mp</name>
diff --git a/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/WeixinComponentProxy.java b/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/WeixinComponentProxy.java
index 7dcdfca4..a5a65f24 100644
--- a/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/WeixinComponentProxy.java
+++ b/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/WeixinComponentProxy.java
@@ -212,5 +212,5 @@ public class WeixinComponentProxy {
 				component(componentId).getTokenManager());
 	}
 
-	public final static String VERSION = "1.7.8";
+	public final static String VERSION = "1.7.9";
 }
diff --git a/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/WeixinProxy.java b/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/WeixinProxy.java
index 5f0dec3a..53b585cf 100644
--- a/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/WeixinProxy.java
+++ b/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/WeixinProxy.java
@@ -2202,5 +2202,5 @@ public class WeixinProxy {
 		return commentApi.deleteCommentReply(msgid, index, commentId);
 	}
 
-	public final static String VERSION = "1.7.8";
+	public final static String VERSION = "1.7.9";
 }
diff --git a/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/component/WeixinTokenComponentCreator.java b/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/component/WeixinTokenComponentCreator.java
index 1f234fb5..b7d30239 100644
--- a/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/component/WeixinTokenComponentCreator.java
+++ b/weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/component/WeixinTokenComponentCreator.java
@@ -42,7 +42,7 @@ public class WeixinTokenComponentCreator extends TokenCreator {
 
 	@Override
 	public String uniqueid() {
-		return String.format("%s,%s", perTicketManager.getThirdId(), perTicketManager.getAuthAppId());
+		return String.format("%s_%s", perTicketManager.getThirdId(), perTicketManager.getAuthAppId());
 	}
 
 	@Override
diff --git a/weixin4j-qy/pom.xml b/weixin4j-qy/pom.xml
index 8cb65741..798d274c 100644
--- a/weixin4j-qy/pom.xml
+++ b/weixin4j-qy/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>com.foxinmy</groupId>
 		<artifactId>weixin4j</artifactId>
-		<version>1.7.8</version>
+		<version>1.7.9</version>
 	</parent>
 	<artifactId>weixin4j-qy</artifactId>
 	<name>weixin4j-qy</name>
diff --git a/weixin4j-qy/src/main/java/com/foxinmy/weixin4j/qy/WeixinProxy.java b/weixin4j-qy/src/main/java/com/foxinmy/weixin4j/qy/WeixinProxy.java
index 870c8d4a..4e6cfc82 100644
--- a/weixin4j-qy/src/main/java/com/foxinmy/weixin4j/qy/WeixinProxy.java
+++ b/weixin4j-qy/src/main/java/com/foxinmy/weixin4j/qy/WeixinProxy.java
@@ -1376,5 +1376,5 @@ public class WeixinProxy {
 		return chatApi.sendChatMessage(message);
 	}
 
-	public final static String VERSION = "1.7.8";
+	public final static String VERSION = "1.7.9";
 }
diff --git a/weixin4j-qy/src/main/java/com/foxinmy/weixin4j/qy/WeixinSuiteProxy.java b/weixin4j-qy/src/main/java/com/foxinmy/weixin4j/qy/WeixinSuiteProxy.java
index 762151db..911ce797 100644
--- a/weixin4j-qy/src/main/java/com/foxinmy/weixin4j/qy/WeixinSuiteProxy.java
+++ b/weixin4j-qy/src/main/java/com/foxinmy/weixin4j/qy/WeixinSuiteProxy.java
@@ -280,5 +280,5 @@ public class WeixinSuiteProxy {
 				suite(suiteId).getTokenManager());
 	}
 
-	public final static String VERSION = "1.7.8";
+	public final static String VERSION = "1.7.9";
 }
diff --git a/weixin4j-server/pom.xml b/weixin4j-server/pom.xml
index 60b05f4d..717313fb 100644
--- a/weixin4j-server/pom.xml
+++ b/weixin4j-server/pom.xml
@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>com.foxinmy</groupId>
 		<artifactId>weixin4j</artifactId>
-		<version>1.7.8</version>
+		<version>1.7.9</version>
 	</parent>
 	<artifactId>weixin4j-server</artifactId>
 	<version>1.1.8</version>
diff --git a/weixin4j-serverX/pom.xml b/weixin4j-serverX/pom.xml
index 08d0cc73..2b9b7518 100644
--- a/weixin4j-serverX/pom.xml
+++ b/weixin4j-serverX/pom.xml
@@ -6,7 +6,7 @@
 	<parent>
 		<groupId>com.foxinmy</groupId>
 		<artifactId>weixin4j</artifactId>
-		<version>1.7.8</version>
+		<version>1.7.9</version>
 	</parent>
 	<artifactId>weixin4j-serverX</artifactId>
 	<version>0.0.1</version>