diff --git a/swankit/callback/models/key.py b/swankit/callback/models/key.py
index 78a74ef..ed2e2ab 100644
--- a/swankit/callback/models/key.py
+++ b/swankit/callback/models/key.py
@@ -29,6 +29,7 @@ def __init__(
         chart_name: Optional[str] = None,
         chart_index: Optional[str] = None,
         metric_name: Optional[str] = None,
+        metric_color: Optional[Tuple[str, str]] = None,
     ):
         """
         生成的列信息配置对象
@@ -36,11 +37,13 @@ def __init__(
         :param chart_name: 图表名称
         :param chart_index: 图表索引
         :param metric_name: 指标名称
+        :param metric_color: 指标颜色
         """
         self.y_range: YRange = y_range
         self.chart_name: Optional[str] = chart_name
         self.chart_index: Optional[str] = chart_index
         self.metric_name: Optional[str] = metric_name
+        self.metric_color: Optional[Tuple[str, str]] = metric_color
 
     def clone(
         self,
@@ -48,6 +51,7 @@ def clone(
         chart_name: Optional[str] = None,
         chart_index: Optional[str] = None,
         metric_name: Optional[str] = None,
+        metric_color: Optional[Tuple[str, str]] = None,
     ):
         """
         克隆一个新的ColumnConfig对象，并且可以修改其中的参数
@@ -55,12 +59,15 @@ def clone(
         :param chart_name: 图表名称
         :param chart_index: 图表索引
         :param metric_name: 指标名称
+        :param metric_color: 指标颜色
+        :return: 新的ColumnConfig对象
         """
         return ColumnConfig(
             y_range=y_range if y_range is not None else self.y_range,
             chart_name=chart_name if chart_name is not None else self.chart_name,
             metric_name=metric_name if metric_name is not None else self.metric_name,
             chart_index=chart_index if chart_index is not None else self.chart_index,
+            metric_color=metric_color if metric_color is not None else self.metric_color,
         )
 
 
diff --git a/test/unit/callback/models/test_key.py b/test/unit/callback/models/test_key.py
index 7ee6049..e1f6c0e 100644
--- a/test/unit/callback/models/test_key.py
+++ b/test/unit/callback/models/test_key.py
@@ -21,6 +21,12 @@ def test_column_config():
     assert c.chart_name == "CPU Utilization (%)"
     assert c.metric_name == "12345"
     assert c.chart_index == "1"
+    c = c.clone(metric_color=("red", "blue"))
+    assert c.y_range == (0, 100)
+    assert c.chart_name == "CPU Utilization (%)"
+    assert c.metric_name == "12345"
+    assert c.chart_index == "1"
+    assert c.metric_color == ("red", "blue")
 
 
 def test_column_info():