优化接口，优化支付等。

weixin4j-mp/pom.xml

@@ -5,7 +5,7 @@
 	<parent>
 		<groupId>com.foxinmy</groupId>
 		<artifactId>weixin4j</artifactId>
-		<version>1.7.3</version>
+		<version>1.7.3-SNAPSHOT</version>
 	</parent>
 	<artifactId>weixin4j-mp</artifactId>
 	<name>weixin4j-mp</name>

weixin4j-mp/src/main/java/com/foxinmy/weixin4j/mp/api/MassApi.java

@@ -306,7 +306,8 @@ public class MassApi extends MpApi {
 	 * @see <a
 	 *      href="https://mp.weixin.qq.com/wiki?t=resource/res_main&id=mp1421140549&token=&lang=zh_CN">删除群发</a>
 	 * @see {@link #massByTagId(Tuple, int)}
-	 * @see {@link #massByOpenIds(Tuple, String...)
+	 * @see {@link #massByOpenIds(Tuple, String...)
+
 	 */
 	public ApiResult deleteMassNews(String msgid) throws WeixinException {
 		JSONObject obj = new JSONObject();