--- lbbs/src/article_view_log.c	2025/10/14 02:39:34	1.9
+++ lbbs/src/article_view_log.c	2025/10/14 13:28:28	1.11
@@ -132,7 +132,7 @@ int article_view_log_save_inc(const ARTI
 		return -1;
 	}
 
-	if (p_view_log->uid <= 0)
+	if (p_view_log->uid <= 0 || p_view_log->aid_inc_cnt == 0)
 	{
 		return 0;
 	}
@@ -360,10 +360,12 @@ int article_view_log_set_viewed(int32_t
 		right = left + 1;
 	}
 
-	for (i = p_view_log->aid_inc_cnt - 1; i >= right; i--)
-	{
-		p_view_log->aid_inc[i + 1] = p_view_log->aid_inc[i];
-	}
+	// for (i = p_view_log->aid_inc_cnt - 1; i >= right; i--)
+	// {
+	// 	p_view_log->aid_inc[i + 1] = p_view_log->aid_inc[i];
+	// }
+	memmove(p_view_log->aid_inc + right + 1, p_view_log->aid_inc + right,
+			sizeof(int32_t) * (size_t)(p_view_log->aid_inc_cnt - right));
 
 	p_view_log->aid_inc[right] = aid;
 	(p_view_log->aid_inc_cnt)++;