diff --git a/gcloud/tasktmpl3/domains/constants.py b/gcloud/tasktmpl3/domains/constants.py
index ea70952d2f..4b73d75a13 100644
--- a/gcloud/tasktmpl3/domains/constants.py
+++ b/gcloud/tasktmpl3/domains/constants.py
@@ -114,6 +114,7 @@ def get_need_render_context_keys():
             return keys
 
     need_render_context_keys = get_need_render_context_keys()
+
     context_values = [
         ContextValue(key=key, type=VAR_CONTEXT_MAPPING[info["type"]], value=info["value"], code=info.get("custom_type"))
         for key, info in list(pipeline["data"].get("inputs", {}).items()) + list(parent_params.items())
@@ -131,24 +132,7 @@ def get_need_render_context_keys():
         param_data = {key: info["value"] for key, info in pipeline["activities"][subprocess]["params"].items()}
         # 获取子流程的参数
         hydrated_param_data = Template(param_data).render(parent_hydrated_context)
-        child_inputs = child_pipeline.get("data").get("inputs")
-        # 需要提前渲染好子流程参数的值
-        subprocess_context_values = [
-            ContextValue(
-                key=key,
-                type=VAR_CONTEXT_MAPPING[child_inputs.get(key)["type"]],
-                value=value,
-                code=child_inputs.get(key).get("custom_type"),
-            )
-            for key, value in hydrated_param_data.items()
-        ]
-
-        subprocess_context = Context(runtime, subprocess_context_values, root_pipeline_data)
-        subprocess_hydrated_context = subprocess_context.hydrate(deformat=True)
-        # 此时已经准备好了子流程所有的输出，到下一层递归时，由于parent_params在inputs之后被处理，所以parent_params会更新最终的值
-        formatted_param_data = {
-            "${" + key + "}": {"value": value, "type": "plain"} for key, value in subprocess_hydrated_context.items()
-        }
+        formatted_param_data = {key: {"value": value, "type": "plain"} for key, value in hydrated_param_data.items()}
 
         return preview_node_inputs(
             runtime=runtime,
diff --git a/gcloud/template_base/apis/drf/viewsets/template_scheme.py b/gcloud/template_base/apis/drf/viewsets/template_scheme.py
index ef16b5ff2e..cdeb8b3dea 100644
--- a/gcloud/template_base/apis/drf/viewsets/template_scheme.py
+++ b/gcloud/template_base/apis/drf/viewsets/template_scheme.py
@@ -267,6 +267,17 @@ def create(self, request, *args, **kwargs):
 
         return Response(serializer.data, status=status.HTTP_201_CREATED)
 
+    def update(self, request, *args, **kwargs):
+        partial = kwargs.pop("partial", False)
+        instance = self.get_object()
+        template_id = instance.unique_id.split("-")[0]
+        serializer = self.get_serializer(instance, data=request.data, partial=partial)
+        serializer.is_valid(raise_exception=True)
+        # 防止用户不传name
+        instance.unique_id = "{}-{}".format(template_id, serializer.validated_data.get("name") or instance.name)
+        self.perform_update(serializer)
+        return Response(serializer.data)
+
     def destroy(self, request, *args, **kwargs):
 
         scheme = self.get_object()