[doc] update comment and doc

Runtime/Component/Comment/CommentMarkStyle.cs

@@ -4,8 +4,8 @@ using UnityEngine;
 namespace XCharts.Runtime
 {
     /// <summary>
-    /// comment of chart.
-    /// |注解项。
+    /// the comment mark style.
+    /// |注解项区域样式。
     /// </summary>
     [Serializable]
     public class CommentMarkStyle : ChildComponent
@@ -18,6 +18,10 @@ namespace XCharts.Runtime
         /// |是否显示当前注解项。
         /// </summary>
         public bool show { get { return m_Show; } set { if (PropertyUtil.SetStruct(ref m_Show, value)) SetVerticesDirty(); } }
+        /// <summary>
+        /// line style of comment mark area.
+        /// |线条样式。
+        /// </summary>
         public LineStyle lineStyle { get { return m_LineStyle; } set { if (PropertyUtil.SetClass(ref m_LineStyle, value)) SetVerticesDirty(); } }
     }
 }