diff --git a/db/update/测试阶段.sql b/db/update/测试阶段.sql
index e6dfd269..373d0bde 100644
--- a/db/update/测试阶段.sql
+++ b/db/update/测试阶段.sql
@@ -104,4 +104,11 @@ ALTER TABLE `process_snapshot`
 ALTER TABLE `laws_domestic_standard`
     MODIFY COLUMN `associated_enterprise_standard` varchar(2000) NULL DEFAULT NULL COMMENT '关联企标' AFTER `professional_field`,
     MODIFY COLUMN `tbt_file` varchar(1) NULL DEFAULT NULL COMMENT 'TBT通报文件' AFTER `acquisition_degree`,
-    MODIFY COLUMN `other_file` varchar(1) NULL DEFAULT NULL COMMENT '其他' AFTER `tbt_file`;
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+    MODIFY COLUMN `other_file` varchar(1) NULL DEFAULT NULL COMMENT '其他' AFTER `tbt_file`;
+
+-- 2024-08-26 P3P5长度改为300
+UPDATE laws_tag set db_length = '300' where db_field_txt like '%证明符合性的交付物名称';
+
+ALTER TABLE `laws_domestic_standard`
+    MODIFY COLUMN `p3_name` varchar(300) DEFAULT NULL COMMENT 'P3证明符合性的交付物名称',
+    MODIFY COLUMN `p5_name` varchar(300) DEFAULT NULL COMMENT 'P5证明符合性的交付物名称';
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