diff --git a/README.md b/README.md
index 3e590ab47d..e1af6dc0c6 100644
--- a/README.md
+++ b/README.md
@@ -38,7 +38,7 @@ English | [简体中文](./README-zh_CN.md)
 
 ## Examples
 
-![NutUI Demo](https://img14.360buyimg.com/uba/jfs/t1/32118/11/559/2782/5c3d81ecEbda0c0f1/5f2b637d11817204.png)
+![NutUI Demo](https://img14.360buyimg.com/uba/s260x260_jfs/t1/32118/11/559/2782/5c3d81ecEbda0c0f1/5f2b637d11817204.png)
 
 ## Installation
 
diff --git a/package.json b/package.json
index e050ed92ab..b5b7ae2cf6 100644
--- a/package.json
+++ b/package.json
@@ -15,7 +15,7 @@
     "dev:demo": "cross-env NODE_ENV=development webpack-dev-server -d --open --progress --config build/webpack.demo.dev.conf.js",
     "build:demo": "cross-env NODE_ENV=production webpack --hide-modules --progress --config build/webpack.demo.build.conf.js",
     "dev:doc": "cross-env NODE_ENV=development webpack-dev-server -d --open -w --progress --config build/webpack.doc.dev.conf.js",
-    "dev:clear": "node scripts/clearcache.js",
+    "doc:clear": "node scripts/clearcache.js",
     "dev": "npm run dev:demo",
     "dev:carefree": "cross-env NODE_ENV=carefree carefree_env=dev webpack -w --colors --progress --config build/webpack.demo.dev.conf.js",
     "build:doc": "cross-env NODE_ENV=production webpack --hide-modules --progress --config build/webpack.doc.build.conf.js",