diff --git a/bamboo_engine/eri/interfaces.py b/bamboo_engine/eri/interfaces.py
index 50f4845f..800bb756 100644
--- a/bamboo_engine/eri/interfaces.py
+++ b/bamboo_engine/eri/interfaces.py
@@ -38,7 +38,7 @@
 
 # plugin interface
 
-__version__ = "7.0.0"
+__version__ = "7.1.0"
 
 
 def version():
@@ -1204,6 +1204,17 @@ def get_data(self, node_id: str) -> Data:
         :rtype: Data
         """
 
+    @abstractmethod
+    def get_batch_data(self, node_ids: List[str]) -> Dict[str, Data]:
+        """
+        批量获取节点数据对象
+
+        :param node_ids: 节点 ID 列表
+        :type node_ids: List[str]
+        :return: 节点数据对象字典 node_id: Data
+        :rtype: dict
+        """
+
     @abstractmethod
     def get_data_inputs(self, node_id: str) -> Dict[str, DataInput]:
         """
diff --git a/pyproject.toml b/pyproject.toml
index d45d601b..9a2c02cc 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "bamboo-engine"
-version = "2.5.3"
+version = "2.6.0"
 description = "Bamboo-engine is a general-purpose workflow engine"
 authors = ["homholueng <homholueng@gmail.com>"]
 license = "MIT"