diff --git a/Editor/MainComponents/TooltipEditor.cs b/Editor/MainComponents/TooltipEditor.cs
index 902d7511..6b8b55cc 100644
--- a/Editor/MainComponents/TooltipEditor.cs
+++ b/Editor/MainComponents/TooltipEditor.cs
@@ -27,6 +27,7 @@ namespace XCharts.Editor
                 PropertyField("m_PaddingLeftRight");
                 PropertyField("m_PaddingTopBottom");
                 PropertyField("m_BackgroundImage");
+                PropertyField("m_BackgroundType");
                 PropertyField("m_BackgroundColor");
                 PropertyField("m_FixedWidth");
                 PropertyField("m_FixedHeight");
diff --git a/Runtime/Component/Tooltip/Tooltip.cs b/Runtime/Component/Tooltip/Tooltip.cs
index a4434d5a..ca074913 100644
--- a/Runtime/Component/Tooltip/Tooltip.cs
+++ b/Runtime/Component/Tooltip/Tooltip.cs
@@ -81,6 +81,7 @@ namespace XCharts.Runtime
         [SerializeField] private bool m_AlwayShowContent = false;
         [SerializeField] private Vector2 m_Offset = new Vector2(18f, -25f);
         [SerializeField] private Sprite m_BackgroundImage;
+        [SerializeField] private Image.Type m_BackgroundType = Image.Type.Simple;
         [SerializeField] private Color m_BackgroundColor;
         [SerializeField] private float m_BorderWidth = 2f;
         [SerializeField] private bool m_FixedXEnable = false;
@@ -241,6 +242,11 @@ namespace XCharts.Runtime
         /// </summary>
         public Sprite backgroundImage { get { return m_BackgroundImage; } set { m_BackgroundImage = value; SetComponentDirty(); } }
         /// <summary>
+        /// The background type of tooltip.
+        /// |提示框的背景图片显示类型。
+        /// </summary>
+        public Image.Type backgroundType { get { return m_BackgroundType; } set { m_BackgroundType = value; SetComponentDirty(); } }
+        /// <summary>
         /// The background color of tooltip.
         /// |提示框的背景颜色。
         /// </summary>
diff --git a/Runtime/Component/Tooltip/TooltipView.cs b/Runtime/Component/Tooltip/TooltipView.cs
index d8f417da..de09db1d 100644
--- a/Runtime/Component/Tooltip/TooltipView.cs
+++ b/Runtime/Component/Tooltip/TooltipView.cs
@@ -218,11 +218,14 @@ namespace XCharts.Runtime
             view.transform = view.gameObject.transform;
 
             view.background = ChartHelper.GetOrAddComponent<Image>(view.gameObject);
+            view.background.sprite = tooltip.backgroundImage;
+            view.background.type = tooltip.backgroundType;
             view.background.color = ChartHelper.IsClearColor(tooltip.backgroundColor)
                 ? Color.white : tooltip.backgroundColor;
 
             view.border = ChartHelper.GetOrAddComponent<Outline>(view.gameObject);
             view.border.enabled = tooltip.borderWidth > 0;
+            view.border.useGraphicAlpha = false;
             view.border.effectColor = tooltip.borderColor;
             view.border.effectDistance = new Vector2(tooltip.borderWidth, -tooltip.borderWidth);