diff --git a/workflow-engine-core/src/main/resources/sql/upgrade_to_1.4.2.sql b/workflow-engine-core/src/main/resources/sql/upgrade_to_1.4.2.sql
new file mode 100644
index 000000000..fd73d58e1
--- /dev/null
+++ b/workflow-engine-core/src/main/resources/sql/upgrade_to_1.4.2.sql
@@ -0,0 +1,26 @@
+create table `workflow-engine`.ext_ax_process_log
+(
+    id                  bigint auto_increment comment '主键'
+        primary key,
+    process_instance_id varchar(64)   default ''                not null comment '流程实例 ID',
+    activity_id         varchar(64)   default ''                not null comment '节点 ID',
+    activity_name       varchar(255)  default ''                not null comment '节点名称',
+    approval_method     varchar(32)   default ''                not null comment '审批方式:配置审批人/业务指定/业务触发(不含人)',
+    node_type           varchar(32)   default ''                not null comment '节点类型:审批节点/业务节点/评论节点/抄送节点',
+    node_mode           varchar(32)   default ''                not null comment '节点模式:会签/或签',
+    task_id             varchar(64)   default ''                not null comment '任务 ID',
+    advice              varchar(4000) default ''                not null comment '操作建议',
+    operation_desc      varchar(4000) default ''                not null comment '操作描述',
+    assignee            varchar(1024) default ''                not null comment '审批人',
+    start_time          datetime(3)   default CURRENT_TIMESTAMP not null comment '任务开始时间',
+    end_time            datetime(3)                             null comment '任务结束时间',
+    returned            tinyint(1)    default 0                 not null comment '已回退',
+    status              varchar(16)   default ''                not null comment '任务状态:审批中/通过/驳回/转交/加签',
+    create_at           datetime      default CURRENT_TIMESTAMP not null comment '创建时间',
+    update_at           datetime      default CURRENT_TIMESTAMP not null on update CURRENT_TIMESTAMP comment '更新时间',
+    is_delete           bigint        default 0                 not null comment '是否删除'
+)
+    comment '审批日志持久化';
+
+
+