diff --git a/src/config/bar.js b/src/config/bar.js
index 4f7a723..da233ad 100644
--- a/src/config/bar.js
+++ b/src/config/bar.js
@@ -176,15 +176,18 @@ export const barConfig = {
    */
   barStyle: {},
   /**
-   * @description Independent color for each bar
+   * @description Independent color mode
+   * When set to true, independent color mode is enabled
    * @type {Boolean}
    * @default independentColor = false
    */
   independentColor: false,
   /**
    * @description Independent colors
+   * Only effective when independent color mode is enabled
+   * Default value is the same as the color in the root configuration
+   * Two-dimensional color array can produce gradient colors
    * @type {Array}
-   * @default independentColor = []
    * @example independentColor = ['#fff', '#000']
    * @example independentColor = [['#fff', '#000'], '#000']
    */