fix: missing uid in bili_user causes undefined reference

lib/db/allData.ts

@@ -31,15 +31,19 @@ export async function getVideoInfoFromAllData(client: Client, aid: number) {
 		[aid],
 	);
 	const row = queryResult.rows[0];
+	let authorInfo = "";
+	if (row.uid && await userExistsInBiliUsers(client, row.uid)) {
 		const q = await client.queryObject<BiliUserType>(
 			`SELECT * FROM bili_user WHERE uid = $1`,
 			[row.uid],
 		)
 		const userRow = q.rows[0];
+		authorInfo = userRow.desc;
+	}
 	return {
 		title: row.title,
 		description: row.description,
 		tags: row.tags,
-		author_info: userRow.desc
+		author_info: authorInfo
 	};
 }