From b679b17f56ff323f41a73f11339746a3b5422089 Mon Sep 17 00:00:00 2001
From: shaohuzhang1 <80892890+shaohuzhang1@users.noreply.github.com>
Date: Tue, 28 Oct 2025 15:18:27 +0800
Subject: [PATCH] fix: When extracting parameters, input parameters that are
 not strings result in the node being unable to execute (#4276)

---
 .../impl/base_parameter_extraction_node.py                       | 1 +
 1 file changed, 1 insertion(+)

diff --git a/apps/application/flow/step_node/parameter_extraction_node/impl/base_parameter_extraction_node.py b/apps/application/flow/step_node/parameter_extraction_node/impl/base_parameter_extraction_node.py
index 04c6b0ca1..3c8480ab6 100644
--- a/apps/application/flow/step_node/parameter_extraction_node/impl/base_parameter_extraction_node.py
+++ b/apps/application/flow/step_node/parameter_extraction_node/impl/base_parameter_extraction_node.py
@@ -91,6 +91,7 @@ class BaseParameterExtractionNode(IParameterExtractionNode):
         self.context['request'] = details.get('request')
 
     def execute(self, input_variable, variable_list, model_params_setting, model_id, **kwargs) -> NodeResult:
+        input_variable = str(input_variable)
         self.context['request'] = input_variable
         if model_params_setting is None:
             model_params_setting = get_default_model_params_setting(model_id)