diff --git a/doc/sql/20220307_企业标准关联表更新.sql b/doc/sql/20220307_企业标准关联表更新.sql
new file mode 100644
index 00000000..20c96cca
--- /dev/null
+++ b/doc/sql/20220307_企业标准关联表更新.sql
@@ -0,0 +1 @@
+ALTER TABLE sar_buss_stand_val MODIFY COLUMN stand_id varchar(64)
\ No newline at end of file