diff --git a/README.md b/README.md
index 4c25842..5d26528 100644
--- a/README.md
+++ b/README.md
@@ -74,7 +74,7 @@ $ yarn add vue-color-kit
 | sucker-hide        | Boolean           | `true`                                                                                                                                                                                   | `true` or `false`                       |
 | sucker-canvas      | HTMLCanvasElement | `null`                                                                                                                                                                                   | like `document.createElement('canvas')` |
 | sucker-area        | Array             | `[]`                                                                                                                                                                                     | like `[x1, y1, x2, y2]`                 |
-
+| width              | Number            |  198                 | any desired width                       |   
 > `color` is one-way data flow, so you can't use `v-model`. why? because you'll listen `changeColor` event do more things, so i think it's not necessary here.
 
 ## Events