diff --git a/gcloud/tasktmpl3/domains/constants.py b/gcloud/tasktmpl3/domains/constants.py
index 3913770074..5cb03038d9 100644
--- a/gcloud/tasktmpl3/domains/constants.py
+++ b/gcloud/tasktmpl3/domains/constants.py
@@ -95,8 +95,9 @@ def get_need_render_context_keys():
                     keys.add("${" + value + "}")
         return keys
 
-    node_type = pipeline["activities"][node_id]["type"]
-    node_code = pipeline["activities"][node_id].get("component", {}).get("code")
+    # 对于子流程内的节点，拿不到当前node_id的type和code
+    node_type = pipeline["activities"].get(node_id, {}).get("type")
+    node_code = pipeline["activities"].get(node_id, {}).get("component", {}).get("code")
     # 只优化普通节点的渲染过程
     if node_type == NodeType.ServiceActivity.value and node_code != "subprocess_plugin":
         need_render_context_keys = get_need_render_context_keys()