Merge pull request #88 from Ernest-su/patch-1

Update ItemStyle.cs

Assets/XCharts/Runtime/Component/Sub/ItemStyle.cs

@@ -137,7 +137,7 @@ namespace XCharts
             set { if (PropertyUtility.SetStruct(ref m_CenterGap, value)) SetVerticesDirty(); }
         }
         /// <summary>
-        /// 数据项背景颜色。
+        /// 数据项背景宽度。
         /// </summary>
         public float backgroundWidth
         {
@@ -253,4 +253,4 @@ namespace XCharts
             return color;
         }
     }
-}
+}