Replace print with logging for Base64 conversion error

Author: Eric7758

custom_nodes/IAT_nodes.py

@@ -44,7 +44,7 @@ def convert_base64(self, base64_str):
             img = torch.from_numpy(img)[None,]
             return (img,)
         except Exception as e:
-            print(f"Base64转换失败: {str(e)}")
+            logging.warning(f"Base64转换失败: {str(e)}")
             blank_img = torch.zeros((1, 512, 512, 3))
             return (blank_img,)