diff --git a/src/routes/mark/list.ts b/src/routes/mark/list.ts
index 31884f7..0de93e7 100644
--- a/src/routes/mark/list.ts
+++ b/src/routes/mark/list.ts
@@ -150,7 +150,6 @@ app
       markModel = updated[0];
     } else {
       const inserted = await db.insert(schema.microMark).values({
-        id: nanoid(),
         data: data || {},
         ...rest,
         uname: tokenUser.username,