fix anim server render

components/common/openAnimation.js

@@ -1,4 +1,7 @@
-import velocity from 'velocity-animate';
+let velocity;
+if (typeof document !== 'undefined' && typeof window !== 'undefined') {
+  velocity = require('velocity-animate');
+}
 
 function animate(node, show, transitionName, done) {
   let ok;
@@ -37,4 +40,4 @@ const animation = {
   },
 };
 
-export default animation;
+module.exports = animation;