合同：字段类型修改

@@ -727,7 +727,7 @@ create table if not exists `tbl_contract_distributor_standard`
     `total_amount_including_tax` DECIMAL(15, 4) COMMENT '合计总金额',
     `total_amount_capital`       VARCHAR(100) COMMENT '合计人民币金额（大写）',
     `deposit_info`               VARCHAR(500) COMMENT '交付定金信息（包含数额、时间）',
-    `packaging_requirements`     VARCHAR(200) COMMENT '包装要求',
+    `packaging_requirements`     TEXT '包装要求',
     `payment_terms`              VARCHAR(500) COMMENT '付款信息（包含付款方式、付款期限）',
     `execution_standard`         VARCHAR(50) COMMENT '执行标准',
     `execution_standard_remarks` VARCHAR(100) COMMENT '执行标准备注',
@@ -1415,7 +1415,7 @@ create table if not exists shipments_detail_statistics(
     num double default null comment '件数',
     settlement_terms varchar(50) comment '结算方式',
     processing_or_distribution varchar(20) comment '加工、经销',
-    packaging_requirements varchar(200) comment '包装要求',
+    packaging_requirements TEXT comment '包装要求',
     shipment_date date default null comment '发货日期',
     supplier varchar(20) comment '发货公司',
     customer_short_name varchar(50) comment '客户简称',