diff --git a/Assets/XCharts/CHANGELOG.md b/Assets/XCharts/CHANGELOG.md
index 9bf7e99f..e8fc55ab 100644
--- a/Assets/XCharts/CHANGELOG.md
+++ b/Assets/XCharts/CHANGELOG.md
@@ -1,6 +1,7 @@
 
 # 更新日志
 
+* (2020.02.11) 增加`Tooltip`的`backgroundImage`参数配置背景图
 * (2020.02.11) 增加`Tooltip`的`paddingLeftRight`和`paddingTopBottom`参数配置文字和边框的间距
 * (2020.02.11) 增加`Tooltip`的`lineStyle`参数配置指示线样式
 * (2020.02.11) 增加`Axis`的`splitLine`参数控制分割线，去掉`showSplitLine`和`splitLineType`参数（更新时需要重新设置分割线相关设置）
diff --git a/Assets/XCharts/Documentation/XCharts配置项手册.md b/Assets/XCharts/Documentation/XCharts配置项手册.md
index 20ce7445..89ecafd9 100644
--- a/Assets/XCharts/Documentation/XCharts配置项手册.md
+++ b/Assets/XCharts/Documentation/XCharts配置项手册.md
@@ -198,6 +198,7 @@
 * `paddingTopBottom`：文字和边框的上下边距。
 * `fontSize`：文字的字体大小。
 * `fontStyle`：文字的字体风格。
+* `backgroundImage`：提示框的背景图。
 * `forceENotation`：是否强制使用科学计数法格式化显示数值。默认为false，当小数精度大于3时才采用科学计数法。
 * `lineStyle`：指示器线条样式 [LineStyle](#LineStyle)。
 
diff --git a/Assets/XCharts/Editor/PropertyDrawers/TooltipDrawer.cs b/Assets/XCharts/Editor/PropertyDrawers/TooltipDrawer.cs
index 138055b8..50fe7255 100644
--- a/Assets/XCharts/Editor/PropertyDrawers/TooltipDrawer.cs
+++ b/Assets/XCharts/Editor/PropertyDrawers/TooltipDrawer.cs
@@ -33,6 +33,7 @@ namespace XCharts
             SerializedProperty m_ForceENotation = prop.FindPropertyRelative("m_ForceENotation");
             SerializedProperty m_PaddingLeftRight = prop.FindPropertyRelative("m_PaddingLeftRight");
             SerializedProperty m_PaddingTopBottom = prop.FindPropertyRelative("m_PaddingTopBottom");
+            SerializedProperty m_BackgroundImage = prop.FindPropertyRelative("m_BackgroundImage");
             SerializedProperty m_LineStyle = prop.FindPropertyRelative("m_LineStyle");
 
             ChartEditorHelper.MakeFoldout(ref drawRect, ref m_TooltipModuleToggle, "Tooltip", show);
@@ -64,6 +65,8 @@ namespace XCharts
                 drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
                 EditorGUI.PropertyField(drawRect, m_FontStyle);
                 drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
+                EditorGUI.PropertyField(drawRect, m_BackgroundImage);
+                drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
                 EditorGUI.PropertyField(drawRect, m_ForceENotation);
                 drawRect.y += EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
                 EditorGUI.PropertyField(drawRect, m_LineStyle);
@@ -75,7 +78,7 @@ namespace XCharts
         public override float GetPropertyHeight(SerializedProperty prop, GUIContent label)
         {
             if (m_TooltipModuleToggle)
-                return 14 * EditorGUIUtility.singleLineHeight + 12 * EditorGUIUtility.standardVerticalSpacing +
+                return 15 * EditorGUIUtility.singleLineHeight + 14 * EditorGUIUtility.standardVerticalSpacing +
                     EditorGUI.GetPropertyHeight(prop.FindPropertyRelative("m_LineStyle"));
             else
                 return EditorGUIUtility.singleLineHeight + EditorGUIUtility.standardVerticalSpacing;
diff --git a/Assets/XCharts/Runtime/Component/Main/Tooltip.cs b/Assets/XCharts/Runtime/Component/Main/Tooltip.cs
index 062229ee..e7b081ed 100644
--- a/Assets/XCharts/Runtime/Component/Main/Tooltip.cs
+++ b/Assets/XCharts/Runtime/Component/Main/Tooltip.cs
@@ -60,11 +60,13 @@ namespace XCharts
         [SerializeField] private bool m_ForceENotation = false;
         [SerializeField] private float m_PaddingLeftRight = 5f;
         [SerializeField] private float m_PaddingTopBottom = 5f;
+        [SerializeField] private Sprite m_BackgroundImage;
         [SerializeField] private LineStyle m_LineStyle = new LineStyle(LineStyle.Type.Solid, 0.7f);
 
         private GameObject m_GameObject;
         private GameObject m_Content;
         private Text m_ContentText;
+        private Image m_ContentImage;
         private RectTransform m_ContentRect;
         private RectTransform m_ContentTextRect;
         private List<int> lastDataIndex { get; set; }
@@ -161,6 +163,11 @@ namespace XCharts
         /// </summary>
         public float paddingTopBottom { get { return m_PaddingTopBottom; } set { m_PaddingTopBottom = value; } }
         /// <summary>
+        /// The image of icon.
+        /// 图标的图片。
+        /// </summary>
+        public Sprite backgroundImage { get { return m_BackgroundImage; } set { m_BackgroundImage = value; SetBackground(m_BackgroundImage); } }
+        /// <summary>
         /// 指示线样式。
         /// </summary>
         public LineStyle lineStyle { get { return m_LineStyle; } set { if (value != null) m_LineStyle = value; } }
@@ -240,11 +247,13 @@ namespace XCharts
         {
             m_Content = content;
             m_ContentRect = m_Content.GetComponent<RectTransform>();
+            m_ContentImage = m_Content.GetComponent<Image>();
             m_ContentText = m_Content.GetComponentInChildren<Text>();
             if (m_ContentText != null)
             {
                 m_ContentTextRect = m_ContentText.gameObject.GetComponentInChildren<RectTransform>();
             }
+            SetBackground(backgroundImage);
         }
 
         /// <summary>
@@ -263,8 +272,21 @@ namespace XCharts
         /// <param name="color"></param>
         public void SetContentBackgroundColor(Color color)
         {
-            if (m_Content != null && m_Content.GetComponent<Image>() != null)
-                m_Content.GetComponent<Image>().color = color;
+            if (m_ContentImage != null)
+                m_ContentImage.color = color;
+        }
+
+        /// <summary>
+        /// 设置提示框文本背景图片
+        /// </summary>
+        /// <param name="sprite"></param>
+        public void SetBackground(Sprite sprite)
+        {
+            if (m_ContentImage != null)
+            {
+                m_ContentImage.type = Image.Type.Sliced;
+                m_ContentImage.sprite = sprite;
+            }
         }
 
         /// <summary>
diff --git a/Assets/XCharts/Runtime/Utility/XChartsMgr.cs b/Assets/XCharts/Runtime/Utility/XChartsMgr.cs
index 3aeb055e..424d744b 100644
--- a/Assets/XCharts/Runtime/Utility/XChartsMgr.cs
+++ b/Assets/XCharts/Runtime/Utility/XChartsMgr.cs
@@ -25,7 +25,7 @@ namespace XCharts
     public class XChartsMgr : MonoBehaviour
     {
         public const string version = "1.2.0";
-        public const int date = 20200210;
+        public const int date = 20200211;
 
         [SerializeField] private string m_NowVersion;
         [SerializeField] private string m_NewVersion;