Update common-styles.md

更正WEEX文档通用样式部分一处笔误,https://weex.apache.org/zh/docs/styles/common-styles.html#border-style
diff --git a/docs/zh/docs/styles/common-styles.md b/docs/zh/docs/styles/common-styles.md
index 669189e..5891e00 100644
--- a/docs/zh/docs/styles/common-styles.md
+++ b/docs/zh/docs/styles/common-styles.md
@@ -61,7 +61,7 @@
 :::
 
 #### border-style
-`border-width`设定边框样式,如果四个方向的边框样式不同,可分别设置:
+`border-style`设定边框样式,如果四个方向的边框样式不同,可分别设置:
   * `border-style {string}`
   * `border-left-style {string}`:可选值为 `solid` | `dashed` | `dotted`,默认值 `solid`
   * `border-top-style {string}`:可选值为 `solid` | `dashed` | `dotted`,默认值 `solid`