update

1.更新im
2.修改bug

public/static/im-web/index.html

@@ -53,4 +53,4 @@
           },
           false
         );
-      };</script><script src="js/vendors~app.cad1a8d4.js"></script><script src="js/app.ea711e21.js"></script></body></html>
+      };</script><script src="js/vendors~app.cad1a8d4.js"></script><script src="js/app.486b8f10.js"></script></body></html>