diff --git a/doc/sql/20220718_表修改.sql b/doc/sql/20220718_表修改.sql
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+++ b/doc/sql/20220718_表修改.sql
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+//资料中心 附件表字段扩容
+ALTER TABLE `foton_slrs`.`file_material`
+MODIFY COLUMN `attach_file_id` text CHARACTER SET utf8mb4 COLLATE utf8mb4_general_ci NULL AFTER `data_explain`;
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