diff --git a/README.md b/README.md
index c9ac7c1..7042dac 100644
--- a/README.md
+++ b/README.md
@@ -41,24 +41,13 @@ $ yarn
 
 # start
 $ yarn start
-
-# Change version
-$ yarn version
-
-# publish
-$ npm publish
-
-# push
-$ git push
-
-# push tags
-$ git push --tags
 ```
-
-## Deploy documents
-
-deploy to github pages
+## Release
 
 ```bash
+# publish
+$ yarn release
+
+# deploy to github pages
 $ yarn story:deploy
 ```
diff --git a/docs/theme.stories.tsx b/docs/theme.stories.tsx
index e6e6b16..1232ca7 100644
--- a/docs/theme.stories.tsx
+++ b/docs/theme.stories.tsx
@@ -14,11 +14,13 @@ const renderRadii = (value: string) => (
   <Box display="inline-block" size="32px" bg="brand" border="solid" borderColor="brand" borderRadius={value} />
 );
 const renderShadows = (value: string) => <Box height="32px" width="60px" bg="white" boxShadow={value}></Box>;
-const renderSpace = (value: string) => (<Flex display="inline-flex" spacing={value}>
-  {renderColor('brand')}
-  {renderColor('brand')}
-  {renderColor('brand')}
-</Flex>)
+const renderSpace = (value: string) => (
+  <Flex display="inline-flex" spacing={value}>
+    {renderColor('brand')}
+    {renderColor('brand')}
+    {renderColor('brand')}
+  </Flex>
+);
 
 const renderMap = {
   colors: renderColor,
diff --git a/package.json b/package.json
index 92e48d2..786af7b 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "coral-system",
-  "version": "0.4.0",
+  "version": "0.4.1",
   "description": "a lightweight style system with react ui primitives",
   "module": "dist/esm/index.js",
   "types": "dist/esm/index.d.ts",
diff --git a/src/core/core.ts b/src/core/core.ts
index 0ae2dc4..0646510 100644
--- a/src/core/core.ts
+++ b/src/core/core.ts
@@ -1,17 +1,17 @@
 import { assign } from 'lodash-es';
-import { getToken, sizes, lineHeights, colors, shadows, borders } from '../helpers';
+import { getToken, sizes, space, radii, fontSizes, lineHeights, colors, shadows, borders } from '../helpers';
 import { SystemScaleType } from '../types';
 
 const getRawValue = (value: any) => value;
 
 const getValueMap = {
-  space: sizes,
-  fontSizes: sizes,
   colors,
+  fontSizes,
   lineHeights,
+  space,
   sizes,
   borders,
-  radii: sizes,
+  radii,
   shadows,
   zIndices: getToken,
 };