diff --git a/sql.go b/sql.go
index 1086060..0164c4d 100644
--- a/sql.go
+++ b/sql.go
@@ -139,6 +139,21 @@ func initDB() {
 						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_unicode_ci;`)
 	failOnError(err, "initDB : create table obj_msg_report")
 
+	_, err = db.Exec(`CREATE TABLE obj_auction_announce (
+							 obj_id			BIGINT UNSIGNED NOT NULL
+							,lot_id         BIGINT UNSIGNED NOT NULL
+							,item			VARCHAR(80) NOT NULL
+							,condition		VARCHAR(32) NOT NULL
+							,quality		VARCHAR(32) NOT NULL
+							,seller         VARCHAR(32) NOT NULL
+							,buyer			VARCHAR(32) NOT NULL
+							,status			VARCHAR(32) NOT NULL
+							,end			TIMESTAMP NOT NULL
+							,FOREIGN KEY (obj_id) REFERENCES obj(id) ON DELETE CASCADE
+							,UNIQUE KEY (lot_id)
+						  ) ENGINE = InnoDB CHARSET=utf8mb4 COLLATE utf8mb4_unicode_ci;`)
+	failOnError(err, "initDB : create table obj_auction_announce")
+
 	_, err = db.Exec(`CREATE TABLE msg_rules (
 							 id             SMALLINT UNSIGNED NOT NULL AUTO_INCREMENT
 							,prio           SMALLINT NOT NULL