fix

Author: wangliang181230

apps/application/flow/step_node/image_understand_step_node/impl/base_image_understand_node.py

@@ -256,7 +256,7 @@ def generate_history_human_message(self, chat_record):
                         *[{'type': 'image_url',
                            'image_url': {'url': f'data:image/{base64_image[1]};base64,{base64_image[0]}'}} for
                           base64_image in image_base64_list],
-                        *[{'type': 'image_url', 'image_url': url} for url in url_list]
+                        *[{'type': 'image_url', 'image_url': {'url': url}} for url in url_list]
                     ])
         return HumanMessage(content=chat_record.problem_text)
 

apps/application/flow/step_node/parameter_extraction_node/impl/base_parameter_extraction_node.py

@@ -62,9 +62,9 @@ def generate_content(input_variable, variable_list):
     return value
 
 
-def json_loads(response, expected_fields):
+def json_loads(response, variable_list):
     if not response or not isinstance(response, str):
-        return {field: None for field in expected_fields}
+        return generate_example(variable_list)
 
     cleaned = response.strip()
 
@@ -79,7 +79,7 @@ def json_loads(response, expected_fields):
             return result
         except:
             continue
-    return generate_example(expected_fields)
+    return generate_example(variable_list)
 
 
 class BaseParameterExtractionNode(IParameterExtractionNode):