diff --git a/DB.py b/DB.py
index dd2fb72..f02776a 100644
--- a/DB.py
+++ b/DB.py
@@ -704,10 +704,6 @@ class DBSA:
     # ----------------------------------------------------
     @classmethod
     def upsert_video(cls, data: dict):
-        """
-        业务线程/进程调用此方法写入。
-        如果启用了 queue 模式，则把 data 丢队列即可。
-        """
         if cls._queue_mode:
             cls._queue.put(data)
             return
@@ -721,7 +717,6 @@ class DBSA:
         now_ts = int(time.time())
 
         op_index_key  = (data["v_xid"] or "", data["keyword"] or "", now_ts)
-        # —— 用 v_name 去重，避免 title 冲突 ——
         vid_index_key = (data["v_xid"] or "", data["v_name"] or "")
 
         # ---------- ① 获取互斥锁 ----------
@@ -739,13 +734,12 @@ class DBSA:
                 v_xid=data["v_xid"],
                 a_id=data["a_id"],
                 level=data.get("level", 0),
-                name_title=data["v_name"],    # ✨ NEW: 截断避免过长
+                name_title=data["v_name"],
                 keyword=data["keyword"],
                 is_repeat=data["is_repeat"],
                 sort=data["sort"],
-                createtime=now_ts,
-                updatetime=now_ts,
-                operatetime=now_ts,
+                createtime=now_ts,   # 首次插入
+                updatetime=now_ts,   # 后续更新只改这一列
                 batch=data.get("batch", 0),
                 machine=data.get("machine_id", 0),
                 is_piracy=data.get("is_piracy", '3'),
@@ -772,7 +766,6 @@ class DBSA:
                 status=1,
                 createtime=now_ts,
                 updatetime=now_ts,
-                operatetime=now_ts,
                 watch_number=data.get("view", 0),
                 follow_number=data.get("fans", 0),
                 video_number=data.get("videos", 0),
@@ -891,10 +884,9 @@ class DBSA:
         if op_rows:
             stmt_op = mysql_insert(video_op).values(op_rows)
             ondup_op = stmt_op.on_duplicate_key_update(
-                updatetime    = stmt_op.inserted.updatetime,
-                operatetime   = stmt_op.inserted.operatetime,
-                ts_status     = stmt_op.inserted.ts_status,
-                is_repeat     = stmt_op.inserted.is_repeat,
+                updatetime  = stmt_op.inserted.updatetime,
+                ts_status   = stmt_op.inserted.ts_status,
+                is_repeat   = stmt_op.inserted.is_repeat,
             )
             cls._safe_execute(ondup_op, desc="video_op")
             logger.info("落表：操作记录 %d 条", len(op_rows))
@@ -920,7 +912,6 @@ class DBSA:
                 u_name        = stmt_vid.inserted.u_name,
                 status        = stmt_vid.inserted.status,
                 updatetime    = stmt_vid.inserted.updatetime,
-                operatetime   = stmt_vid.inserted.operatetime,
             )
             cls._safe_execute(ondup_vid, desc="video")
             logger.info("落表：视频记录 %d 条", len(vid_rows))
@@ -944,9 +935,6 @@ class DBSA:
     # ----------------------------------------------------
     @classmethod
     def start_single_flusher(cls):
-        """
-        启动后台线程 —— 生产线程只喂 queue，flusher 串行写库，彻底避免锁竞争。
-        """
         cls._queue_mode = True
 
         def _worker():
@@ -955,19 +943,17 @@ class DBSA:
                 try:
                     data = cls._queue.get(timeout=3)
                     batch.append(data)
-                    # drain 队列
                     while True:
                         try:
                             batch.append(cls._queue.get_nowait())
                         except Empty:
                             break
                 except Empty:
-                    pass  # 队列暂时为空
+                    pass
 
                 if not batch:
                     continue
 
-                # ---- 把 batch 数据重新写入缓冲（无锁）----
                 for d in batch:
                     cls._buffer_without_lock(d)
                 batch.clear()
@@ -994,7 +980,6 @@ class DBSA:
         if op_key in cls._existing_op_keys or vid_key in cls._existing_vid_keys:
             return
 
-        # —— op_row 同构 ——
         op_row = dict(
             v_id=data["v_id"],
             v_xid=data["v_xid"],
@@ -1006,7 +991,6 @@ class DBSA:
             sort=data["sort"],
             createtime=now_ts,
             updatetime=now_ts,
-            operatetime=now_ts,
             batch=data.get("batch", 0),
             machine=data.get("machine_id", 0),
             is_piracy=data.get("is_piracy", '3'),
@@ -1031,7 +1015,6 @@ class DBSA:
             status=1,
             createtime=now_ts,
             updatetime=now_ts,
-            operatetime=now_ts,
             watch_number=data.get("view", 0),
             follow_number=data.get("fans", 0),
             video_number=data.get("videos", 0),
@@ -1042,4 +1025,4 @@ class DBSA:
         cls._buf_vid.append(vid_row)
         cls._buf_payload.append(data)
         cls._existing_op_keys.add(op_key)
-        cls._existing_vid_keys.add(vid_key)
\ No newline at end of file
+        cls._existing_vid_keys.add(vid_key)