3.4.5 update-20250603 bug修复

distributed-print/install/mysql/upgrade/3.4.5.sql

@@ -7,6 +7,8 @@ ALTER TABLE `mark_question` ADD COLUMN `ai_mark` VARCHAR(12) NULL DEFAULT 'NONE'
 
 ALTER TABLE `mark_task` ADD COLUMN `ai_marked` TINYINT(1) NULL DEFAULT 0 COMMENT '是否AI评卷' AFTER `reject_reason`;
 
+
+DROP TABLE IF EXISTS `mark_ocr_student_question`;
 CREATE TABLE `mark_ocr_student_question` (
     `id` BIGINT(20) NOT NULL,
     `exam_id` BIGINT(20) NULL COMMENT '考试ID',