diff --git a/sql/bonus_ai.sql b/sql/bonus_ai.sql
index 1fd46a9..fa5d810 100644
--- a/sql/bonus_ai.sql
+++ b/sql/bonus_ai.sql
@@ -250,7 +250,7 @@ create table ai_intelligent_annotation_service
    update_time                                   datetime default CURRENT_TIMESTAMP on UPDATE CURRENT_TIMESTAMP comment '更新时间',
    create_time                                   datetime default CURRENT_TIMESTAMP comment '创建时间',
    primary key(intelligent_annotation_service_id)
-)engine=innodb comment = '智能标注服务’;
+)engine=innodb comment = '智能标注服务';
 
 INSERT INTO ai_intelligent_annotation_service (
     intelligent_annotation_service_name,