change info of dongxu

pom.xml

@@ -110,9 +110,9 @@
         </developer>
         
         <developer>
-            <id>dongxv.vang@gmail.com</id>
+            <id>dongxu.wang@acm.org</id>
             <name>Dongxu Wang</name>
-            <email>dongxv.vang@gmail.com</email>
+            <email>dongxu.wang@acm.org</email>
             <url>http://dx.b3log.org</url>
             <roles>
                 <role>Committer</role>