From 7fa0ad31614f24a99667bec94987e9face6aed43 Mon Sep 17 00:00:00 2001
From: Will <vvfriday@gmail.com>
Date: Thu, 23 Oct 2025 22:56:08 +0800
Subject: [PATCH] fix: Render variables in Question Classifier class names
 (#27356)

---
 .../question_classifier/question_classifier_node.py    | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/api/core/workflow/nodes/question_classifier/question_classifier_node.py b/api/core/workflow/nodes/question_classifier/question_classifier_node.py
index 3f37fc481b..948a1cead7 100644
--- a/api/core/workflow/nodes/question_classifier/question_classifier_node.py
+++ b/api/core/workflow/nodes/question_classifier/question_classifier_node.py
@@ -193,15 +193,19 @@ class QuestionClassifierNode(Node):
                     finish_reason = event.finish_reason
                     break
 
-            category_name = node_data.classes[0].name
-            category_id = node_data.classes[0].id
+            rendered_classes = [
+                c.model_copy(update={"name": variable_pool.convert_template(c.name).text}) for c in node_data.classes
+            ]
+
+            category_name = rendered_classes[0].name
+            category_id = rendered_classes[0].id
             if "<think>" in result_text:
                 result_text = re.sub(r"<think[^>]*>[\s\S]*?</think>", "", result_text, flags=re.IGNORECASE)
             result_text_json = parse_and_check_json_markdown(result_text, [])
             # result_text_json = json.loads(result_text.strip('```JSON\n'))
             if "category_name" in result_text_json and "category_id" in result_text_json:
                 category_id_result = result_text_json["category_id"]
-                classes = node_data.classes
+                classes = rendered_classes
                 classes_map = {class_.id: class_.name for class_ in classes}
                 category_ids = [_class.id for _class in classes]
                 if category_id_result in category_ids: