diff --git a/docs/resources/gitattributes.txt b/docs/resources/gitattributes.txt
new file mode 100644
index 000000000..bb940d6a1
--- /dev/null
+++ b/docs/resources/gitattributes.txt
@@ -0,0 +1 @@
+tasks.mp4 filter=lfs diff=lfs merge=lfs -text
diff --git a/metagpt/utils/resp_parse.py b/metagpt/utils/resp_parse.py
index ec7293bcd..d87b87883 100644
--- a/metagpt/utils/resp_parse.py
+++ b/metagpt/utils/resp_parse.py
@@ -39,7 +39,7 @@ def flatten_json_object(obj, parent_key='', sep=', '):
         new_key = f"{parent_key}{sep}{key}" if parent_key else key
         if isinstance(value, dict):
             items.extend(flatten_json_object(value, new_key, sep=sep).items())
-        elif isinstance(value, list):
+        elif isinstance(value, list) or isinstance(value, tuple):
             items.append((new_key, sep.join(str(v) for v in value)))
         else:
             items.append((new_key, value))