bug fix and performance improvements

miniprogram/miniprogram_npm/tdesign-miniprogram/badge/README.en-US.md

@@ -0,0 +1,36 @@
+:: BASE_DOC ::
+
+## API
+### Badge Props
+
+name | type | default | description | required
+-- | -- | -- | -- | --
+color | String | - | \- | N
+content | String | - | \- | N
+count | String / Number / Slot | 0 | [see more ts definition](https://github.com/Tencent/tdesign-miniprogram/blob/develop/src/common/common.ts) | N
+dot | Boolean | false | \- | N
+external-classes | Array | - | `['t-class', 't-class-content', 't-class-count']` | N
+max-count | Number | 99 | \- | N
+offset | Array | - | Typescript：`Array<string \| number>` | N
+shape | String | circle | options：circle/square/bubble/ribbon | N
+show-zero | Boolean | false | \- | N
+size | String | medium | options：medium/large | N
+
+
+### CSS Variables
+The component provides the following CSS variables, which can be used to customize styles.
+Name | Default Value | Description 
+-- | -- | --
+--td-badge-basic-height | 32rpx | - 
+--td-badge-basic-padding | 8rpx | - 
+--td-badge-basic-width | 32rpx | - 
+--td-badge-bg-color | @error-color | - 
+--td-badge-border-radius | 4rpx | - 
+--td-badge-bubble-border-radius | 20rpx 20rpx 20rpx 1px | - 
+--td-badge-dot-size | 16rpx | - 
+--td-badge-font-size | @font-size-xs | - 
+--td-badge-font-weight | 600 | - 
+--td-badge-large-font-size | @font-size-s | - 
+--td-badge-large-height | 40rpx | - 
+--td-badge-large-padding | 10rpx | - 
+--td-badge-text-color | @font-white-1 | -