fixbugs

distributed-print/install/mysql/init/teachcloud_db.sql

@@ -2612,7 +2612,7 @@ CREATE TABLE IF NOT EXISTS `scan_refix_batch` (
 -- ----------------------------
 CREATE TABLE IF NOT EXISTS `scan_student_paper` (
   `id` bigint NOT NULL,
-  `student_id` bigint NOT NULL,scan_student
+  `student_id` bigint NOT NULL,
   `paper_index` int NOT NULL,
   `paper_id` bigint NOT NULL,
   `create_time` bigint DEFAULT NULL,