fix：删除函数sql

fs-service/src/main/resources/db/20250528-sop.sql

@@ -16,3 +16,4 @@ END IF;
 END;
 
 CALL add_tb_column;
+DROP PROCEDURE IF EXISTS add_tb_column;

fs-service/src/main/resources/db/20250528.sql

@@ -26,3 +26,4 @@ END IF;
 END;
 
 CALL add_tb_column;
+DROP PROCEDURE IF EXISTS add_tb_column;