diff --git a/pyproject.toml b/pyproject.toml
index 2a64763..99751e7 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -9,7 +9,7 @@ build-backend = "hatchling.build"
 
 [project]
 name = "swankit"
-version = "0.1.7"
+version = "0.1.8"
 dynamic = ["readme", "dependencies"]
 description = "Base toolkit for SwanLab"
 license = "Apache-2.0"
diff --git a/swankit/core/data.py b/swankit/core/data.py
index c0fa219..3ff5fae 100644
--- a/swankit/core/data.py
+++ b/swankit/core/data.py
@@ -153,6 +153,8 @@ def __init__(self, chart_type: str, column_type: str):
 
         MOLECULE = ChartItem("molecule", "MOLECULE")
 
+        ECHARTS = ChartItem("echarts", "ECHARTS")
+
     # ---------------------------------- 需要子类实现的方法 ----------------------------------
 
     @abstractmethod
diff --git a/swankit/core/settings.py b/swankit/core/settings.py
index ffa84ad..e681419 100644
--- a/swankit/core/settings.py
+++ b/swankit/core/settings.py
@@ -8,7 +8,7 @@
     swankit 为 swanlab 定制的配置类
 """
 import os
-from typing import Tuple
+from typing import Tuple, List, Optional
 
 
 class LazySettings:
@@ -20,6 +20,7 @@ def __init__(self):
         self.__exp_name = None
         self.__exp_colors = None
         self.__description = None
+        self.__tags = None
 
     @property
     def exp_name(self) -> str:
@@ -36,7 +37,7 @@ def exp_name(self, exp_name: str) -> None:
         self.__exp_name = exp_name
 
     @property
-    def exp_colors(self) -> Tuple[str, str]:
+    def exp_colors(self) -> Optional[Tuple[str, str]]:
         """实验颜色"""
         return self.__exp_colors
 
@@ -48,7 +49,7 @@ def exp_colors(self, exp_colors: Tuple[str, str]) -> None:
         self.__exp_colors = exp_colors
 
     @property
-    def description(self) -> str:
+    def description(self) -> Optional[str]:
         """实验描述"""
         return self.__description
 
@@ -59,6 +60,18 @@ def description(self, description: str) -> None:
             raise ValueError("description can only be set once")
         self.__description = description
 
+    @property
+    def tags(self) -> Optional[List[str]]:
+        """实验标签"""
+        return self.__tags
+
+    @tags.setter
+    def tags(self, tags: List[str]) -> None:
+        """实验标签"""
+        if self.__tags is not None:
+            raise ValueError("tags can only be set once")
+        self.__tags = tags
+
 
 class SwanLabSharedSettings(LazySettings):
     """
diff --git a/test/unit/core/test_settings.py b/test/unit/core/test_settings.py
new file mode 100644
index 0000000..3b9cf1a
--- /dev/null
+++ b/test/unit/core/test_settings.py
@@ -0,0 +1,28 @@
+"""
+@author: cunyue
+@file: test_settings.py
+@time: 2025/5/15 18:15
+@description: 测试 settings
+"""
+
+import pytest
+
+
+def test_lazy_settings():
+    from swankit.core.settings import LazySettings
+
+    settings = LazySettings()
+    settings.exp_name = "test"
+    settings.exp_colors = ("red", "blue")
+    settings.description = "test description"
+
+    assert settings.exp_name == "test"
+    assert settings.exp_colors == ("red", "blue")
+    assert settings.description == "test description"
+
+    with pytest.raises(ValueError, match="exp_name can only be set once"):
+        settings.exp_name = "test2"
+    with pytest.raises(ValueError, match="exp_colors can only be set once"):
+        settings.exp_colors = ("green", "yellow")
+    with pytest.raises(ValueError, match="description can only be set once"):
+        settings.description = "test description 2"