diff --git a/pyproject.toml b/pyproject.toml
index eb22b1f..1a82f49 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "swankit"
-version = "0.1.2b3"
+version = "0.1.2b4"
 dynamic = ["readme", "dependencies"]
 description = "Base toolkit for SwanLab"
 license = "Apache-2.0"
diff --git a/swankit/callback/models/key.py b/swankit/callback/models/key.py
index cf1c00f..cd55c33 100644
--- a/swankit/callback/models/key.py
+++ b/swankit/callback/models/key.py
@@ -34,6 +34,19 @@ def __init__(self, y_range: YRange = None, chart_name: Optional[str] = None, met
         self.chart_name: Optional[str] = chart_name
         self.metric_name: Optional[str] = metric_name
 
+    def clone(self, y_range: YRange = None, chart_name: Optional[str] = None, metric_name: Optional[str] = None):
+        """
+        克隆一个新的ColumnConfig对象，并且可以修改其中的参数
+        :param y_range: y轴范围
+        :param chart_name: 图表名称
+        :param metric_name: 指标名称
+        """
+        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,
+        )
+
 
 class ColumnInfo:
     """
diff --git a/test/unit/callback/models/test_key.py b/test/unit/callback/models/test_key.py
index 4ef406a..a7774ab 100644
--- a/test/unit/callback/models/test_key.py
+++ b/test/unit/callback/models/test_key.py
@@ -2,6 +2,21 @@
 from swankit.core import ChartType
 
 
+def test_column_config():
+    c = K.ColumnConfig(y_range=(0, 100), chart_name="CPU Utilization (%)")
+    assert c.y_range == (0, 100)
+    assert c.chart_name == "CPU Utilization (%)"
+    assert c.metric_name is None
+    clone = c.clone(y_range=None, metric_name="12345")
+    assert clone.y_range == (0, 100)
+    assert clone.chart_name == c.chart_name
+    assert clone.metric_name == "12345"
+    clone = c.clone(y_range=(0, 50), chart_name="CPU Utilization (%)", metric_name="12345")
+    assert clone.y_range == (0, 50)
+    assert clone.chart_name == c.chart_name
+    assert clone.metric_name == "12345"
+
+
 def test_column_info():
     c = K.ColumnInfo(
         key="a/1",