Update E-mail address in contact info and bump copyright year

config.toml

@@ -1,6 +1,6 @@
 baseurl = "https://bf.mengyan1223.wang/blog/"  # End your URL with a `/` trailing slash, e.g. `https://example.com/`.
 title = "Xry111's Blog"
-copyright = "© 2017 Xi Ruoyao"
+copyright = "© 2017-2018 Xi Ruoyao"
 theme = "academic"
 enableEmoji = true
 footnotereturnlinkcontents = "<sup>^</sup>"
@@ -205,7 +205,7 @@ defaultContentLanguageInSubdir = false
   [[params.social]]
     icon = "envelope"
     icon_pack = "fa"
-    link = "mailto:ryxi@stu.xidian.edu.cn"
+    link = "mailto:xry111@mengyan1223.wang"
 
   [[params.social]]
     icon = "researchgate"