diff --git a/AutoBuild/nrdlist.py b/AutoBuild/nrdlist.py
index 4dc4fb8..80771ba 100644
--- a/AutoBuild/nrdlist.py
+++ b/AutoBuild/nrdlist.py
@@ -159,7 +159,10 @@ async def write_files(datalist: List[Dict[str, List[bytes]]]):
     sort_date = sorted(combined_data.keys(), reverse=True)[:30]
     accumulate = b""
     for date in range(len(sort_date)):
-        accumulate += b"\n".join(combined_data[sort_date[date]])
+        if not accumulate:
+            accumulate = b"\n".join(combined_data[sort_date[date]])
+        else:
+            accumulate += b"\n" + b"\n".join(combined_data[sort_date[date]])
         # accumulate = "\n".join(sorted(set(accumulate.split("\n"))))
         base_path.joinpath(f"past-{(date + 1):02d}day.txt").write_bytes(accumulate)