diff --git a/components/_util/motion.tsx b/components/_util/motion.tsx
index 62d4cf3a4a..efc7235ff4 100644
--- a/components/_util/motion.tsx
+++ b/components/_util/motion.tsx
@@ -9,6 +9,7 @@ interface Motion {
   motionEnter?: boolean;
   motionLeave?: boolean;
   motionLeaveImmediately?: boolean; // Trigger leave motion immediately
+  motionDeadline?: number;
   removeOnLeave?: boolean;
   leavedClassName?: string;
   onAppearStart?: MotionFunc;
@@ -35,6 +36,7 @@ const collapseMotion: Motion = {
   onEnterActive: getRealHeight,
   onLeaveStart: getCurrentHeight,
   onLeaveActive: getCollapsedHeight,
+  motionDeadline: 500,
 };
 
 export default collapseMotion;
diff --git a/package.json b/package.json
index d231c91089..8db8ddd7cf 100644
--- a/package.json
+++ b/package.json
@@ -107,7 +107,7 @@
     "omit.js": "^1.0.2",
     "prop-types": "^15.7.2",
     "raf": "^3.4.1",
-    "rc-animate": "~2.10.2",
+    "rc-animate": "~2.11.0",
     "rc-cascader": "~1.0.0",
     "rc-checkbox": "~2.2.0",
     "rc-collapse": "~1.11.3",
diff --git a/scripts/check-site.js b/scripts/check-site.js
index b563750032..a4c9b33339 100755
--- a/scripts/check-site.js
+++ b/scripts/check-site.js
@@ -6,8 +6,6 @@ const cheerio = require('cheerio');
 const glob = require('glob');
 const uniq = require('lodash/uniq');
 const { createServer } = require('http-server');
-const zhCN = require('../site/theme/zh-CN');
-const enUS = require('../site/theme/en-US');
 
 const components = uniq(
   glob