diff --git a/Runtime/Component/Sub/ItemStyle.cs b/Runtime/Component/Sub/ItemStyle.cs
index 36a11944..a04f5f68 100644
--- a/Runtime/Component/Sub/ItemStyle.cs
+++ b/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;
         }
     }
-}
\ No newline at end of file
+}