fix: 修复报告摘要生成并稳定默认端口

app/platforms/douyin.py

@@ -88,11 +88,23 @@ class DouyinPlatform:
         return self.map_items(payload, limit=limit)
 
     def fetch_comments(self, source_item_id: str, *, limit: int) -> list[CommentData]:
-        payload = self.client.get(
-            "/api/v1/douyin/app/v3/fetch_video_comments",
-            params={"aweme_id": source_item_id, "cursor": 0, "count": 20},
-        )
-        return self.map_comments(payload, limit=limit)
+        comments: list[CommentData] = []
+        cursor = 0
+        page_size = min(20, limit)
+        while len(comments) < limit:
+            payload = self.client.get(
+                "/api/v1/douyin/app/v3/fetch_video_comments",
+                params={"aweme_id": source_item_id, "cursor": cursor, "count": page_size},
+            )
+            page_comments = self.map_comments(payload, limit=limit - len(comments))
+            comments.extend(page_comments)
+            data = payload.get("data", {})
+            next_cursor = data.get("cursor") or payload.get("cursor")
+            has_more = data.get("has_more", payload.get("has_more", 0))
+            if not page_comments or not has_more or next_cursor in (None, cursor):
+                break
+            cursor = next_cursor
+        return comments[:limit]
 
     def _author_name(self, comment: dict[str, Any]) -> str | None:
         user = comment.get("user") or {}