当前存在海报生成过程中，对于末尾篇数可能存在海报无法找到路径的问题，增加了强制路径创建

main.py

@@ -214,8 +214,18 @@ def generate_content_and_posters_step(config, run_id, topics_list, output_handle
                          
                          # 获取海报元数据路径
                          poster_dir = os.path.join(variant_dir, poster_subdir)
-                         metadata_files = [f for f in os.listdir(poster_dir) 
-                                          if f.endswith("_metadata.json") and os.path.isfile(os.path.join(poster_dir, f))]
+                         
+                         # 添加目录存在检查
+                         if not os.path.exists(poster_dir):
+                             logging.warning(f"海报目录不存在: {poster_dir}, 跳过此变体的额外配图处理")
+                             continue
+                         
+                         try:
+                             metadata_files = [f for f in os.listdir(poster_dir) 
+                                              if f.endswith("_metadata.json") and os.path.isfile(os.path.join(poster_dir, f))]
+                         except Exception as e:
+                             logging.warning(f"访问海报目录时出错: {e}, 跳过此变体的额外配图处理")
+                             continue
                          
                          if metadata_files:
                              poster_metadata_path = os.path.join(poster_dir, metadata_files[0])

poster_gen_config.json

@@ -42,13 +42,13 @@
         {
             "type": "Object",
             "file_path": [
-                "./resource/Object/乌镇民宿.txt"
+                "./resource/Object/安吉银润锦江城堡酒店.txt"
             ]
         },
         {
             "type": "Description",
             "file_path": [
-                "./resource/Object/乌镇民宿.txt"
+                "./resource/Object/安吉银润锦江城堡酒店.txt"
             ]
         },
         {

utils/output_handler.py

@@ -2,6 +2,7 @@ import os
 import json
 import logging
 from abc import ABC, abstractmethod
+import traceback
 
 class OutputHandler(ABC):
     """Abstract base class for handling the output of the generation pipeline."""
@@ -122,6 +123,10 @@ class FileSystemOutputHandler(OutputHandler):
             
     def handle_generated_image(self, run_id: str, topic_index: int, variant_index: int, image_type: str, image_data, output_filename: str, metadata: dict = None):
         """处理生成的图像，对于笔记图像和额外配图保存到image目录，其他类型保持原有路径结构"""
+        if not image_data:
+            logging.warning(f"传入的{image_type}图像数据为空 (Topic {topic_index}, Variant {variant_index})。跳过保存。")
+            return
+            
         # 根据图像类型确定保存路径
         if image_type == 'note' or image_type == 'additional':  # 笔记图像和额外配图保存到image目录
             # 创建run_id/i_j/image目录
@@ -144,7 +149,15 @@ class FileSystemOutputHandler(OutputHandler):
                 logging.warning(f"未知图像类型 '{image_type}'，保存到变体根目录。")
                 subdir = None  # 如果类型未知，直接保存到变体目录
                 
-            target_dir = self._get_variant_dir(run_id, topic_index, variant_index, subdir=subdir)
+            # 确保目标目录存在
+            variant_dir = os.path.join(self._get_run_dir(run_id), f"{topic_index}_{variant_index}")
+            if subdir:
+                target_dir = os.path.join(variant_dir, subdir)
+                os.makedirs(target_dir, exist_ok=True)
+            else:
+                target_dir = variant_dir
+                os.makedirs(target_dir, exist_ok=True)
+                
             save_path = os.path.join(target_dir, output_filename)
         
         try:
@@ -163,9 +176,11 @@ class FileSystemOutputHandler(OutputHandler):
                     logging.info(f"保存{image_type}元数据到: {metadata_path}")
                 except Exception as me:
                     logging.error(f"无法保存{image_type}元数据到{metadata_path}: {me}")
+                    traceback.print_exc()
                     
         except Exception as e:
             logging.exception(f"无法保存{image_type}图像到{save_path}: {e}")
+            traceback.print_exc()
         
         return save_path