feat: 完善 SYB 蝦皮主数据与软删除 (#203 #204 #205)

admin/repository/catalog_import.go

@@ -191,6 +191,16 @@ func UpsertCatalogShopeeProduct(q Execer, in CatalogShopeeProductInput) (out Cat
 			out.FieldsManualSkipped++
 			return false
 		}
+		// 商品目录是权威来源，可以替换顺运宝为了预览而填入的低优先级值。
+		// 这不是任意跨来源覆盖：只有明确标记为 syb 的值享受升级规则。
+		if source.Valid && source.String == "syb" {
+			if *current != incoming {
+				*current = incoming
+				out.FieldsFilled++
+				return true
+			}
+			return false
+		}
 		if in.UpdatePolicy == "fill_missing" {
 			if *current == "" {
 				*current = incoming
@@ -324,22 +334,25 @@ func UpsertCatalogShopeeSKU(q Execer, in CatalogShopeeSKUInput) (CatalogSKUOutco
 		color, size, advice, skuCode := current.Color.String, current.Size.String, current.Advice.String, current.SKUCode.String
 		sources, times := catalogFieldProvenance(current)
 		changed := external != current.ShopeeSKUID.String
-		if color == "" && strings.TrimSpace(in.Color) != "" {
+		canFill := func(field, current, incoming string) bool {
+			return strings.TrimSpace(incoming) != "" && (current == "" || (sources[field] == "syb" && in.Source != "syb"))
+		}
+		if canFill("color", color, in.Color) {
 			color = in.Color
 			sources["color"], times["color"] = in.Source, in.ObservedAt
 			changed = true
 		}
-		if size == "" && strings.TrimSpace(in.Size) != "" {
+		if canFill("size", size, in.Size) {
 			size = in.Size
 			sources["size"], times["size"] = in.Source, in.ObservedAt
 			changed = true
 		}
-		if advice == "" && strings.TrimSpace(in.Advice) != "" {
+		if canFill("advice", advice, in.Advice) {
 			advice = in.Advice
 			sources["advice"], times["advice"] = in.Source, in.ObservedAt
 			changed = true
 		}
-		if skuCode == "" && strings.TrimSpace(in.SKUCode) != "" {
+		if canFill("sku_code", skuCode, in.SKUCode) {
 			skuCode = in.SKUCode
 			sources["sku_code"], times["sku_code"] = in.Source, in.ObservedAt
 			changed = true
@@ -349,7 +362,7 @@ func UpsertCatalogShopeeSKU(q Execer, in CatalogShopeeSKUInput) (CatalogSKUOutco
 		}
 		sourcesJSON, _ := json.Marshal(sources)
 		timesJSON, _ := json.Marshal(times)
-		_, err = q.Exec(`UPDATE shopee_skus SET shopee_sku_id=NULLIF(?,''),color=NULLIF(?,''),size=NULLIF(?,''),advice=NULLIF(?,''),sku_code=NULLIF(?,''),parse_ok=CASE WHEN parse_ok=1 THEN 1 ELSE ? END,field_sources=?,field_observed_at=?,updated_at=? WHERE sku_id=?`, external, color, size, advice, skuCode, parse, string(sourcesJSON), string(timesJSON), in.Now, current.RecordID)
+		_, err = q.Exec(`UPDATE shopee_skus SET shopee_sku_id=NULLIF(?,''),color=NULLIF(?,''),size=NULLIF(?,''),advice=NULLIF(?,''),sku_code=NULLIF(?,''),parse_ok=CASE WHEN parse_ok=1 THEN 1 ELSE ? END,field_sources=?,field_observed_at=?,source_observed_at=CASE WHEN source='syb' AND ?<>'syb' THEN ? ELSE source_observed_at END,source=CASE WHEN source='syb' AND ?<>'syb' THEN ? ELSE source END,updated_at=? WHERE sku_id=?`, external, color, size, advice, skuCode, parse, string(sourcesJSON), string(timesJSON), in.Source, in.ObservedAt, in.Source, in.Source, in.Now, current.RecordID)
 		if err != nil {
 			return "", err
 		}
@@ -448,7 +461,7 @@ func UpsertCatalogPddProduct(q Execer, goodsID, url, title, shopName, skusJSON,
 // ApplyCatalogAssociation 只允许空关联建立或相同关联重放。
 func ApplyCatalogAssociation(q Execer, shopeeGoodsID, pddGoodsID, now string) (created, unchanged bool, err error) {
 	var current sql.NullString
-	if err = q.QueryRow(`SELECT pdd_goods_id FROM shopee_products WHERE goods_id=?`, shopeeGoodsID).Scan(&current); err != nil {
+	if err = q.QueryRow(`SELECT pdd_goods_id FROM shopee_products WHERE goods_id=? AND deleted_at IS NULL`, shopeeGoodsID).Scan(&current); err != nil {
 		return
 	}
 	var url string
@@ -461,7 +474,7 @@ func ApplyCatalogAssociation(q Execer, shopeeGoodsID, pddGoodsID, now string) (c
 		}
 		return false, false, fmt.Errorf("蝦皮商品 %s 已关联 PDD 商品 %s", shopeeGoodsID, current.String)
 	}
-	_, err = q.Exec(`UPDATE shopee_products SET pdd_goods_id=?,pdd_goods_url=?,updated_at=? WHERE goods_id=?`, pddGoodsID, url, now, shopeeGoodsID)
+	_, err = q.Exec(`UPDATE shopee_products SET pdd_goods_id=?,pdd_goods_url=?,updated_at=? WHERE goods_id=? AND deleted_at IS NULL`, pddGoodsID, url, now, shopeeGoodsID)
 	return err == nil, false, err
 }
 

admin/repository/mysql_db.go

@@ -20,7 +20,7 @@ import (
 	"cmautobuy/admin/spec"
 )
 
-const mysqlSchemaVersion = 14
+const mysqlSchemaVersion = 17
 
 // OpenMySQL 打开生产 MySQL 8 数据库。错误信息绝不包含完整 DSN 或密码。
 func OpenMySQL(cfg config.DatabaseConfig) (*sql.DB, error) {
@@ -592,10 +592,89 @@ func MigrateMySQL(db *sql.DB) error {
 		if _, err := db.Exec(`INSERT INTO schema_migrations (version, applied_at) VALUES (?, ?)`, 14, time.Now().UTC().Format(time.RFC3339Nano)); err != nil {
 			return fmt.Errorf("记录 MySQL schema v14 失败: %w", err)
 		}
+		current = 14
+	}
+	if current < 15 {
+		if err := migrateMySQLV15(db); err != nil {
+			return fmt.Errorf("执行 MySQL schema v15 失败: %w", err)
+		}
+		if err := checkMySQLV15Shape(db); err != nil {
+			return fmt.Errorf("MySQL schema v15 自检失败，未记录版本: %w", err)
+		}
+		if _, err := db.Exec(`INSERT INTO schema_migrations (version, applied_at) VALUES (?, ?)`, 15, time.Now().UTC().Format(time.RFC3339Nano)); err != nil {
+			return fmt.Errorf("记录 MySQL schema v15 失败: %w", err)
+		}
+		current = 15
+	}
+	if current < 16 {
+		if err := migrateMySQLV16(db); err != nil {
+			return fmt.Errorf("执行 MySQL schema v16 失败: %w", err)
+		}
+		if err := checkMySQLV16Shape(db); err != nil {
+			return fmt.Errorf("MySQL schema v16 自检失败，未记录版本: %w", err)
+		}
+		if _, err := db.Exec(`INSERT INTO schema_migrations (version, applied_at) VALUES (?, ?)`, 16, time.Now().UTC().Format(time.RFC3339Nano)); err != nil {
+			return fmt.Errorf("记录 MySQL schema v16 失败: %w", err)
+		}
+		current = 16
+	}
+	if current < 17 {
+		if err := migrateMySQLV17(db); err != nil {
+			return fmt.Errorf("执行 MySQL schema v17 失败: %w", err)
+		}
+		if err := checkMySQLV17Shape(db); err != nil {
+			return fmt.Errorf("MySQL schema v17 自检失败，未记录版本: %w", err)
+		}
+		if _, err := db.Exec(`INSERT INTO schema_migrations (version, applied_at) VALUES (?, ?)`, 17, time.Now().UTC().Format(time.RFC3339Nano)); err != nil {
+			return fmt.Errorf("记录 MySQL schema v17 失败: %w", err)
+		}
 	}
 	return CheckMySQLSchema(db)
 }
 
+// migrateMySQLV15 以低优先级补全历史 SYB 商品的店铺和图片。
+func migrateMySQLV15(db *sql.DB) error {
+	return backfillSybProductMetadata(db)
+}
+
+// migrateMySQLV16 为历史 SYB 数据补建格式明确的低优先级蝦皮 SKU。
+func migrateMySQLV16(db *sql.DB) error {
+	return backfillSybShopeeSKUs(db)
+}
+
+// migrateMySQLV17 为蝦皮商品增加可恢复的软删除标记。
+func migrateMySQLV17(db *sql.DB) error {
+	for _, column := range []struct{ name, ddl string }{
+		{"deleted_at", `ALTER TABLE shopee_products ADD COLUMN deleted_at VARCHAR(35) NULL AFTER pdd_goods_id`},
+		{"deleted_by_user_id", `ALTER TABLE shopee_products ADD COLUMN deleted_by_user_id VARCHAR(191) COLLATE utf8mb4_bin NULL AFTER deleted_at`},
+	} {
+		exists, err := mysqlColumnExists(db, "shopee_products", column.name)
+		if err != nil {
+			return err
+		}
+		if !exists {
+			if _, err := db.Exec(column.ddl); err != nil {
+				return fmt.Errorf("增加 shopee_products.%s 失败: %w", column.name, err)
+			}
+		}
+	}
+	if exists, err := mysqlIndexExists(db, "shopee_products", "idx_shopee_products_deleted"); err != nil {
+		return err
+	} else if !exists {
+		if _, err := db.Exec(`ALTER TABLE shopee_products ADD INDEX idx_shopee_products_deleted (deleted_at,updated_at,goods_id)`); err != nil {
+			return fmt.Errorf("增加蝦皮商品删除状态索引失败: %w", err)
+		}
+	}
+	if exists, err := mysqlConstraintExists(db, "shopee_products", "fk_shopee_products_deleted_by"); err != nil {
+		return err
+	} else if !exists {
+		if _, err := db.Exec(`ALTER TABLE shopee_products ADD CONSTRAINT fk_shopee_products_deleted_by FOREIGN KEY (deleted_by_user_id) REFERENCES users(user_id) ON DELETE SET NULL`); err != nil {
+			return fmt.Errorf("增加蝦皮商品删除人外键失败: %w", err)
+		}
+	}
+	return nil
+}
+
 // migrateMySQLV14 增加顺运宝同步店铺准入表和审计统计。
 func migrateMySQLV14(db *sql.DB) error {
 	if _, err := db.Exec(`CREATE TABLE IF NOT EXISTS syb_allowed_shops (
@@ -1579,7 +1658,59 @@ func CheckMySQLSchema(db *sql.DB) error {
 	if err := checkMySQLV13Shape(db); err != nil {
 		return err
 	}
-	return checkMySQLV14Shape(db)
+	if err := checkMySQLV14Shape(db); err != nil {
+		return err
+	}
+	if err := checkMySQLV15Shape(db); err != nil {
+		return err
+	}
+	if err := checkMySQLV16Shape(db); err != nil {
+		return err
+	}
+	return checkMySQLV17Shape(db)
+}
+
+func checkMySQLV15Shape(db *sql.DB) error {
+	rows, err := db.Query(`SELECT image_source,image_observed_at,image_is_manual,
+		shop_name_source,shop_name_observed_at,shop_name_is_manual
+		FROM shopee_products LIMIT 0`)
+	if err != nil {
+		return fmt.Errorf("蝦皮商品店铺与图片来源字段缺失: %w", err)
+	}
+	return rows.Close()
+}
+
+func checkMySQLV16Shape(db *sql.DB) error {
+	rows, err := db.Query(`SELECT spec_key,color,size,advice,parse_ok,source,field_sources,field_observed_at FROM shopee_skus LIMIT 0`)
+	if err != nil {
+		return fmt.Errorf("蝦皮 SKU 解析与来源字段缺失: %w", err)
+	}
+	return rows.Close()
+}
+
+func checkMySQLV17Shape(db *sql.DB) error {
+	if err := checkMySQLVarcharColumn(db, "shopee_products", "deleted_at", 35, true, "utf8mb4_0900_ai_ci", ""); err != nil {
+		return err
+	}
+	if err := checkMySQLVarcharColumn(db, "shopee_products", "deleted_by_user_id", 191, true, "utf8mb4_bin", ""); err != nil {
+		return err
+	}
+	for _, item := range []struct{ kind, name string }{{"index", "idx_shopee_products_deleted"}, {"constraint", "fk_shopee_products_deleted_by"}} {
+		var exists bool
+		var err error
+		if item.kind == "index" {
+			exists, err = mysqlIndexExists(db, "shopee_products", item.name)
+		} else {
+			exists, err = mysqlConstraintExists(db, "shopee_products", item.name)
+		}
+		if err != nil {
+			return err
+		}
+		if !exists {
+			return fmt.Errorf("蝦皮商品软删除%s %s 缺失", item.kind, item.name)
+		}
+	}
+	return nil
 }
 
 func checkMySQLV14Shape(db *sql.DB) error {

admin/repository/mysql_db_integration_test.go

@@ -560,7 +560,7 @@ func TestMySQLMigrate_V11回填顺运宝店铺且可重放(t *testing.T) {
 	if err := MigrateMySQL(db); err != nil {
 		t.Fatal(err)
 	}
-	mustExec(t, db, `DELETE FROM schema_migrations WHERE version=11`)
+	mustExec(t, db, `DELETE FROM schema_migrations WHERE version>=11`)
 	mustExec(t, db, `ALTER TABLE syb_orders DROP COLUMN shop_name`)
 	now := model.NowISO()
 	mustExec(t, db, `INSERT INTO syb_orders
@@ -595,7 +595,7 @@ func TestMySQLMigrate_V11升级V12并修复孤儿采集中状态(t *testing.T) {
 		t.Fatal(err)
 	}
 	// 模拟已在 v11 的生产库：去掉 v12 版本及其附加表，保留全部 v1-v11 结构。
-	mustExec(t, db, `DELETE FROM schema_migrations WHERE version=12`)
+	mustExec(t, db, `DELETE FROM schema_migrations WHERE version>=12`)
 	mustExec(t, db, `DROP TABLE task_syb_sources`)
 	now := model.NowISO()
 	mustExec(t, db, `INSERT INTO pdd_products(goods_id,url,collect_status,created_at,updated_at) VALUES
@@ -634,7 +634,7 @@ func TestMySQLMigrate_V12形状错误不记录版本(t *testing.T) {
 	if err := MigrateMySQL(db); err != nil {
 		t.Fatal(err)
 	}
-	mustExec(t, db, `DELETE FROM schema_migrations WHERE version=12`)
+	mustExec(t, db, `DELETE FROM schema_migrations WHERE version>=12`)
 	mustExec(t, db, `DROP TABLE task_syb_sources`)
 	mustExec(t, db, `CREATE TABLE task_syb_sources (
 		task_id VARCHAR(191) COLLATE utf8mb4_bin NOT NULL,
@@ -660,7 +660,7 @@ func TestMySQLMigrate_V12升级V13迁移任务主键和关联(t *testing.T) {
 		t.Fatal(err)
 	}
 	// 模拟生产 v12：移除 v13 表、版本和新增的级联更新外键。
-	mustExec(t, db, `DELETE FROM schema_migrations WHERE version=13`)
+	mustExec(t, db, `DELETE FROM schema_migrations WHERE version>=13`)
 	mustExec(t, db, `DROP TABLE task_sequences`)
 	mustExec(t, db, `ALTER TABLE task_claims DROP FOREIGN KEY fk_task_claims_task`)
 	mustExec(t, db, `ALTER TABLE task_syb_sources DROP FOREIGN KEY fk_task_syb_sources_task`)
@@ -814,7 +814,7 @@ func TestMySQLMigrate_V13升级V14并可重放(t *testing.T) {
 	mustExec(t, db, `ALTER TABLE syb_sync_runs DROP COLUMN shop_skipped_count`)
 	mustExec(t, db, `ALTER TABLE syb_sync_runs DROP COLUMN accepted_stock_count`)
 	mustExec(t, db, `DROP TABLE syb_allowed_shops`)
-	mustExec(t, db, `DELETE FROM schema_migrations WHERE version=14`)
+	mustExec(t, db, `DELETE FROM schema_migrations WHERE version>=14`)
 	mustExec(t, db, `INSERT INTO users(user_id,username,password_hash,role,status,password_changed_at,created_at,updated_at)
 		VALUES('V14-USER','v14-user','x','admin','active','2026-08-12T00:00:00Z','2026-08-12T00:00:00Z','2026-08-12T00:00:00Z')`)
 	mustExec(t, db, `INSERT INTO syb_sync_runs(run_id,user_id,date_from,date_to,status,stock_count,started_at,finished_at)
@@ -835,6 +835,46 @@ func TestMySQLMigrate_V13升级V14并可重放(t *testing.T) {
 	}
 }
 
+func TestMySQLMigrate_V14升级V17回填元数据规格并增加软删除(t *testing.T) {
+	db := openMySQLMigrationTestDB(t)
+	defer db.Close()
+	cleanMySQLTestSchema(t, db)
+	defer cleanMySQLTestSchema(t, db)
+	if err := MigrateMySQL(db); err != nil {
+		t.Fatal(err)
+	}
+
+	// 模拟真实 v14：移除后三版新增结构和版本记录，保留历史业务数据。
+	mustExec(t, db, `ALTER TABLE shopee_products DROP FOREIGN KEY fk_shopee_products_deleted_by`)
+	mustExec(t, db, `ALTER TABLE shopee_products DROP INDEX idx_shopee_products_deleted`)
+	mustExec(t, db, `ALTER TABLE shopee_products DROP COLUMN deleted_by_user_id`)
+	mustExec(t, db, `ALTER TABLE shopee_products DROP COLUMN deleted_at`)
+	mustExec(t, db, `DELETE FROM schema_migrations WHERE version>=15`)
+	now := "2026-08-13T01:00:00Z"
+	mustExec(t, db, `INSERT INTO shopee_products(goods_id,title,source,created_at,updated_at)
+		VALUES('S-V15','历史商品','syb',?,?)`, now, now)
+	mustExec(t, db, `INSERT INTO syb_orders(syb_id,order_no,shop_name,title,product_spec,spec_key,shopee_goods_id,quantity,image_url,syb_data,created_at,updated_at)
+		VALUES('SO-V15','O-V15','历史店铺','历史商品','白色,L【建議50-60公斤】','白色,L【建議50-60公斤】','S-V15',1,'https://example.com/history.jpg','{}',?,?)`, now, now)
+
+	if err := MigrateMySQL(db); err != nil {
+		t.Fatalf("v14 升级 v17 失败: %v", err)
+	}
+	if err := MigrateMySQL(db); err != nil {
+		t.Fatalf("v17 重放失败: %v", err)
+	}
+	var shop, image string
+	if err := db.QueryRow(`SELECT shopee_shop_name,image_url FROM shopee_products WHERE goods_id='S-V15'`).Scan(&shop, &image); err != nil || shop != "历史店铺" || image != "https://example.com/history.jpg" {
+		t.Fatalf("v15 元数据回填错误: shop=%q image=%q err=%v", shop, image, err)
+	}
+	var color, size, advice, source string
+	if err := db.QueryRow(`SELECT color,size,advice,source FROM shopee_skus WHERE goods_id='S-V15'`).Scan(&color, &size, &advice, &source); err != nil || color != "白色" || size != "L" || advice != "50-60公斤" || source != "syb" {
+		t.Fatalf("v16 规格回填错误: color=%q size=%q advice=%q source=%q err=%v", color, size, advice, source, err)
+	}
+	if err := checkMySQLV17Shape(db); err != nil {
+		t.Fatalf("v17 软删除结构错误: %v", err)
+	}
+}
+
 func openMySQLMigrationTestDB(t *testing.T) *sql.DB {
 	t.Helper()
 	if os.Getenv("CMAUTOBUY_MYSQL_TEST") != "1" {

admin/repository/shopee.go

@@ -136,6 +136,7 @@ type ShopeeFilter struct {
 	Status   string
 	Shop     string // has / missing / 空（全部）
 	Image    string // has / missing / 空（全部）
+	Deleted  bool   // true 只看软删除数据；false 只看正常数据
 }
 
 // shopeeFilterClause 把关键字、状态、店铺和图片筛选拼成 WHERE 子句，供 ListShopeeProducts
@@ -146,7 +147,10 @@ type ShopeeFilter struct {
 // SKU 时 JOIN 会出重复行，DISTINCT 又会让外层 LIMIT/OFFSET 的行为难推理
 // （见工单 #43）。
 func shopeeFilterClause(filter ShopeeFilter) (string, []any) {
-	var clauses []string
+	clauses := []string{"sp.deleted_at IS NULL"}
+	if filter.Deleted {
+		clauses[0] = "sp.deleted_at IS NOT NULL"
+	}
 	var args []any
 
 	if kw := strings.TrimSpace(filter.Keyword); kw != "" {
@@ -183,9 +187,6 @@ func shopeeFilterClause(filter ShopeeFilter) (string, []any) {
 		clauses = append(clauses, `(sp.image_url IS NULL OR TRIM(sp.image_url) = '')`)
 	}
 
-	if len(clauses) == 0 {
-		return "", args
-	}
 	return " WHERE " + strings.Join(clauses, " AND "), args
 }
 
@@ -200,7 +201,7 @@ func ListShopeeProducts(q Execer, filter ShopeeFilter, limit, offset int) ([]Sho
 	where, args := shopeeFilterClause(filter)
 	sqlText := `
 		SELECT sp.goods_id, sp.title, sp.shopee_status, sp.main_sku_code, sp.image_url,sp.shopee_shop_name,sp.image_source,sp.image_observed_at,sp.image_is_manual,sp.shop_name_source,sp.shop_name_observed_at,sp.shop_name_is_manual,sp.source,
-		       sp.pdd_goods_url, sp.pdd_goods_id, sp.created_at, sp.updated_at,
+		       sp.pdd_goods_url, sp.pdd_goods_id,sp.deleted_at,sp.deleted_by_user_id, sp.created_at, sp.updated_at,
 		       COUNT(DISTINCT CASE WHEN sk.parse_ok = 1 THEN sk.color END) AS color_count,
 		       COUNT(DISTINCT CASE WHEN sk.parse_ok = 1 THEN sk.size  END) AS size_count,
 		       COUNT(sk.sku_id) AS sku_count,
@@ -222,11 +223,11 @@ func ListShopeeProducts(q Execer, filter ShopeeFilter, limit, offset int) ([]Sho
 	var list []ShopeeProductRow
 	for rows.Next() {
 		var r ShopeeProductRow
-		var title, shopeeStatus, mainSKUCode, imageURL, shopName, imageSource, imageObserved, shopSource, shopObserved, source, pddGoodsURL, pddGoodsID sql.NullString
+		var title, shopeeStatus, mainSKUCode, imageURL, shopName, imageSource, imageObserved, shopSource, shopObserved, source, pddGoodsURL, pddGoodsID, deletedAt, deletedBy sql.NullString
 		var imageManual, shopManual int
 		if err := rows.Scan(
 			&r.GoodsID, &title, &shopeeStatus, &mainSKUCode, &imageURL, &shopName, &imageSource, &imageObserved, &imageManual, &shopSource, &shopObserved, &shopManual, &source,
-			&pddGoodsURL, &pddGoodsID, &r.CreatedAt, &r.UpdatedAt,
+			&pddGoodsURL, &pddGoodsID, &deletedAt, &deletedBy, &r.CreatedAt, &r.UpdatedAt,
 			&r.ColorCount, &r.SizeCount, &r.SKUCount, &r.PendingCount,
 			&r.CollectStatus, &r.CollectMsg,
 		); err != nil {
@@ -246,6 +247,8 @@ func ListShopeeProducts(q Execer, filter ShopeeFilter, limit, offset int) ([]Sho
 		r.Source = source.String
 		r.PddGoodsURL = pddGoodsURL.String
 		r.PddGoodsID = pddGoodsID.String
+		r.DeletedAt = deletedAt.String
+		r.DeletedByUserID = deletedBy.String
 		list = append(list, r)
 	}
 	return list, rows.Err()
@@ -270,14 +273,14 @@ func CountShopeeProductsFiltered(q Execer, filter ShopeeFilter) (int, error) {
 // 弹窗组装商品信息时用。查不到返回 (nil, nil)。
 func GetShopeeProductByGoodsID(q Execer, goodsID string) (*model.ShopeeProduct, error) {
 	var p model.ShopeeProduct
-	var title, shopeeStatus, mainSKUCode, imageURL, shopName, imageSource, imageObserved, shopSource, shopObserved, source, pddGoodsURL, pddGoodsID sql.NullString
+	var title, shopeeStatus, mainSKUCode, imageURL, shopName, imageSource, imageObserved, shopSource, shopObserved, source, pddGoodsURL, pddGoodsID, deletedAt, deletedBy sql.NullString
 	var imageManual, shopManual int
 	err := q.QueryRow(`
 		SELECT goods_id, title, shopee_status, main_sku_code,image_url,shopee_shop_name,image_source,image_observed_at,image_is_manual,shop_name_source,shop_name_observed_at,shop_name_is_manual, source,
-		       pdd_goods_url, pdd_goods_id, created_at, updated_at
-		  FROM shopee_products WHERE goods_id = ?`, goodsID).Scan(
+		       pdd_goods_url, pdd_goods_id,deleted_at,deleted_by_user_id, created_at, updated_at
+		  FROM shopee_products WHERE goods_id = ? AND deleted_at IS NULL`, goodsID).Scan(
 		&p.GoodsID, &title, &shopeeStatus, &mainSKUCode, &imageURL, &shopName, &imageSource, &imageObserved, &imageManual, &shopSource, &shopObserved, &shopManual, &source,
-		&pddGoodsURL, &pddGoodsID, &p.CreatedAt, &p.UpdatedAt)
+		&pddGoodsURL, &pddGoodsID, &deletedAt, &deletedBy, &p.CreatedAt, &p.UpdatedAt)
 	if errors.Is(err, sql.ErrNoRows) {
 		return nil, nil
 	}
@@ -298,6 +301,8 @@ func GetShopeeProductByGoodsID(q Execer, goodsID string) (*model.ShopeeProduct,
 	p.Source = source.String
 	p.PddGoodsURL = pddGoodsURL.String
 	p.PddGoodsID = pddGoodsID.String
+	p.DeletedAt = deletedAt.String
+	p.DeletedByUserID = deletedBy.String
 	return &p, nil
 }
 
@@ -314,7 +319,7 @@ func ListShopeePddLinksByGoodsIDs(q Execer, goodsIDs []string) (map[string]strin
 		args[i] = goodsID
 	}
 	rows, err := q.Query(`SELECT goods_id, COALESCE(pdd_goods_id, '')
-		FROM shopee_products WHERE goods_id IN (`+placeholders+`)`, args...)
+		FROM shopee_products WHERE deleted_at IS NULL AND goods_id IN (`+placeholders+`)`, args...)
 	if err != nil {
 		return nil, fmt.Errorf("批量查询蝦皮商品 PDD 关联失败: %w", err)
 	}
@@ -338,7 +343,7 @@ func UpdateShopeePddLink(q Execer, shopeeGoodsID, pddGoodsID, pddURL string) err
 	result, err := q.Exec(`
 		UPDATE shopee_products
 		   SET pdd_goods_id = ?, pdd_goods_url = ?, updated_at = ?
-		 WHERE goods_id = ?`,
+		 WHERE goods_id = ? AND deleted_at IS NULL`,
 		pddGoodsID, pddURL, model.NowISO(), shopeeGoodsID)
 	if err != nil {
 		return fmt.Errorf("更新蝦皮商品 %s 的 PDD 关联失败: %w", shopeeGoodsID, err)
@@ -418,7 +423,8 @@ func GetShopeeSKUByID(q Execer, skuID string) (*model.ShopeeSKU, error) {
 	err := q.QueryRow(`
 		SELECT sku_id, COALESCE(shopee_sku_id,''), goods_id, spec_raw, color, size, advice, parse_ok, sku_code,
 		       is_manual, created_at, updated_at
-		  FROM shopee_skus WHERE sku_id = ?`, skuID).Scan(
+		  FROM shopee_skus sk WHERE sku_id = ?
+		    AND EXISTS (SELECT 1 FROM shopee_products sp WHERE sp.goods_id=sk.goods_id AND sp.deleted_at IS NULL)`, skuID).Scan(
 		&sk.RecordID, &sk.SKUID, &sk.GoodsID, &sk.SpecRaw, &color, &size, &advice,
 		&parseOK, &skuCode, &isManual, &sk.CreatedAt, &sk.UpdatedAt,
 	)
@@ -440,8 +446,66 @@ func GetShopeeSKUByID(q Execer, skuID string) (*model.ShopeeSKU, error) {
 // CountShopeeProducts 统计蝦皮商品总数，供列表页判断"是否已导入过任何数据"。
 func CountShopeeProducts(q Execer) (int, error) {
 	var n int
-	if err := q.QueryRow(`SELECT COUNT(*) FROM shopee_products`).Scan(&n); err != nil {
+	if err := q.QueryRow(`SELECT COUNT(*) FROM shopee_products WHERE deleted_at IS NULL`).Scan(&n); err != nil {
 		return 0, fmt.Errorf("统计蝦皮商品数量失败: %w", err)
 	}
 	return n, nil
 }
+
+// ShopeeProductsWithActiveTasks 返回仍有采集或采购任务执行中的商品编号。
+func ShopeeProductsWithActiveTasks(q Execer, goodsIDs []string) ([]string, error) {
+	if len(goodsIDs) == 0 {
+		return nil, nil
+	}
+	placeholders := strings.TrimSuffix(strings.Repeat("?,", len(goodsIDs)), ",")
+	args := make([]any, len(goodsIDs))
+	for i, id := range goodsIDs {
+		args[i] = id
+	}
+	rows, err := q.Query(`SELECT DISTINCT sp.goods_id
+		FROM shopee_products sp JOIN tasks t
+		  ON (t.task_type='purchase' AND t.goods_id=sp.goods_id)
+		  OR (t.task_type='collect' AND t.goods_id=sp.pdd_goods_id)
+		WHERE sp.goods_id IN (`+placeholders+`)
+		  AND t.status IN ('pending','assigned','claimed') ORDER BY sp.goods_id`, args...)
+	if err != nil {
+		return nil, fmt.Errorf("检查蝦皮商品进行中任务失败: %w", err)
+	}
+	defer rows.Close()
+	var ids []string
+	for rows.Next() {
+		var id string
+		if err := rows.Scan(&id); err != nil {
+			return nil, err
+		}
+		ids = append(ids, id)
+	}
+	return ids, rows.Err()
+}
+
+// SetShopeeProductsDeleted 批量设置或清除软删除标记。
+func SetShopeeProductsDeleted(q Execer, goodsIDs []string, actorUserID, deletedAt string) (int64, error) {
+	if len(goodsIDs) == 0 {
+		return 0, nil
+	}
+	placeholders := strings.TrimSuffix(strings.Repeat("?,", len(goodsIDs)), ",")
+	args := make([]any, 0, len(goodsIDs)+3)
+	var sqlText string
+	if deletedAt != "" {
+		sqlText = `UPDATE shopee_products SET deleted_at=?,deleted_by_user_id=?,updated_at=?
+			WHERE deleted_at IS NULL AND goods_id IN (` + placeholders + `)`
+		args = append(args, deletedAt, actorUserID, deletedAt)
+	} else {
+		sqlText = `UPDATE shopee_products SET deleted_at=NULL,deleted_by_user_id=NULL,updated_at=?
+			WHERE deleted_at IS NOT NULL AND goods_id IN (` + placeholders + `)`
+		args = append(args, model.NowISO())
+	}
+	for _, id := range goodsIDs {
+		args = append(args, id)
+	}
+	result, err := q.Exec(sqlText, args...)
+	if err != nil {
+		return 0, fmt.Errorf("更新蝦皮商品删除状态失败: %w", err)
+	}
+	return result.RowsAffected()
+}

admin/repository/spec_compare.go

@@ -30,7 +30,7 @@ func ListShopSpecSources(q Execer, shopName string) ([]ShopSpecSource, error) {
 		       pp.goods_id, pp.deleted_at, pp.skus_json
 		  FROM shopee_products sp
 		  LEFT JOIN pdd_products pp ON pp.goods_id = sp.pdd_goods_id
-		 WHERE sp.shopee_shop_name = ?
+		 WHERE sp.deleted_at IS NULL AND sp.shopee_shop_name = ?
 		 ORDER BY sp.goods_id`, strings.TrimSpace(shopName))
 	if err != nil {
 		return nil, fmt.Errorf("读取店铺规格对比数据失败: %w", err)
@@ -65,7 +65,7 @@ func ListShopSpecSources(q Execer, shopName string) ([]ShopSpecSource, error) {
 		SELECT sk.goods_id, sk.color, sk.size, sk.parse_ok
 		  FROM shopee_skus sk
 		  JOIN shopee_products sp ON sp.goods_id = sk.goods_id
-		 WHERE sp.shopee_shop_name = ?
+		 WHERE sp.deleted_at IS NULL AND sp.shopee_shop_name = ?
 		 ORDER BY sk.goods_id, sk.sku_id`, strings.TrimSpace(shopName))
 	if err != nil {
 		return nil, fmt.Errorf("读取店铺正式规格失败: %w", err)

admin/repository/syb.go

@@ -5,7 +5,9 @@
 package repository
 
 import (
+	"crypto/sha256"
 	"database/sql"
+	"encoding/hex"
 	"errors"
 	"fmt"
 	"strings"
@@ -351,19 +353,7 @@ func UpsertSybOrder(q Execer, o model.SybOrder) (created bool, err error) {
 
 	now := model.NowISO()
 	if strings.TrimSpace(o.ShopeeGoodsID) != "" {
-		if _, err := q.Exec(`
-			INSERT INTO shopee_products (goods_id, title, source, created_at, updated_at)
-			VALUES (?, ?, 'syb', ?, ?)
-			ON DUPLICATE KEY UPDATE
-				title = CASE
-					WHEN source = 'syb' AND TRIM(VALUES(title)) <> '' THEN VALUES(title)
-					ELSE title
-				END,
-				updated_at = CASE
-					WHEN source = 'syb' AND TRIM(VALUES(title)) <> '' THEN VALUES(updated_at)
-					ELSE updated_at
-				END`,
-			o.ShopeeGoodsID, o.Title, now, now); err != nil {
+		if err := upsertSybShopeeProduct(q, o.ShopeeGoodsID, o.Title, o.ShopName, o.ImageURL, now); err != nil {
 			return false, fmt.Errorf("为顺运宝明细 %s 补建蝦皮商品骨架失败: %w", o.SybID, err)
 		}
 	}
@@ -393,6 +383,173 @@ func UpsertSybOrder(q Execer, o model.SybOrder) (created bool, err error) {
 	return created, nil
 }
 
+// upsertSybShopeeProduct 用顺运宝观测补建蝦皮商品骨架。
+//
+// 店铺和图片是字段级低优先级数据：只能补空值，或更新原本同样来自 syb 的值；
+// 人工字段和商品目录等权威来源永远不被顺运宝覆盖。空值也不能清除已有内容。
+func upsertSybShopeeProduct(q Execer, goodsID, title, shopName, imageURL, observedAt string) error {
+	_, err := q.Exec(`
+		INSERT INTO shopee_products
+		       (goods_id,title,image_url,shopee_shop_name,
+		        image_source,image_observed_at,image_is_manual,
+		        shop_name_source,shop_name_observed_at,shop_name_is_manual,
+		        source,source_observed_at,created_at,updated_at)
+		VALUES (?, ?, NULLIF(TRIM(?),''), NULLIF(TRIM(?),''),
+		        CASE WHEN TRIM(?)='' THEN NULL ELSE 'syb' END,
+		        CASE WHEN TRIM(?)='' THEN NULL ELSE ? END, 0,
+		        CASE WHEN TRIM(?)='' THEN NULL ELSE 'syb' END,
+		        CASE WHEN TRIM(?)='' THEN NULL ELSE ? END, 0,
+		        'syb', ?, ?, ?)
+		ON DUPLICATE KEY UPDATE
+			title = CASE
+				WHEN source='syb' AND TRIM(VALUES(title))<>'' THEN VALUES(title)
+				ELSE title
+			END,
+			source_observed_at = CASE
+				WHEN source='syb' AND TRIM(VALUES(title))<>'' THEN VALUES(source_observed_at)
+				ELSE source_observed_at
+			END,
+			image_url = CASE
+				WHEN image_is_manual=0 AND TRIM(VALUES(image_url))<>''
+				 AND (image_url IS NULL OR TRIM(image_url)='' OR image_source='syb') THEN VALUES(image_url)
+				ELSE image_url
+			END,
+			image_observed_at = CASE
+				WHEN image_is_manual=0 AND TRIM(VALUES(image_url))<>''
+				 AND (image_url IS NULL OR TRIM(image_url)='' OR image_source='syb') THEN VALUES(image_observed_at)
+				ELSE image_observed_at
+			END,
+			image_source = CASE
+				WHEN image_is_manual=0 AND TRIM(VALUES(image_url))<>''
+				 AND (image_url IS NULL OR TRIM(image_url)='' OR image_source='syb') THEN 'syb'
+				ELSE image_source
+			END,
+			shopee_shop_name = CASE
+				WHEN shop_name_is_manual=0 AND TRIM(VALUES(shopee_shop_name))<>''
+				 AND (shopee_shop_name IS NULL OR TRIM(shopee_shop_name)='' OR shop_name_source='syb') THEN VALUES(shopee_shop_name)
+				ELSE shopee_shop_name
+			END,
+			shop_name_observed_at = CASE
+				WHEN shop_name_is_manual=0 AND TRIM(VALUES(shopee_shop_name))<>''
+				 AND (shopee_shop_name IS NULL OR TRIM(shopee_shop_name)='' OR shop_name_source='syb') THEN VALUES(shop_name_observed_at)
+				ELSE shop_name_observed_at
+			END,
+			shop_name_source = CASE
+				WHEN shop_name_is_manual=0 AND TRIM(VALUES(shopee_shop_name))<>''
+				 AND (shopee_shop_name IS NULL OR TRIM(shopee_shop_name)='' OR shop_name_source='syb') THEN 'syb'
+				ELSE shop_name_source
+			END,
+			updated_at = CASE
+				WHEN source='syb'
+				  OR (image_source='syb' AND TRIM(VALUES(image_url))<>'')
+				  OR (shop_name_source='syb' AND TRIM(VALUES(shopee_shop_name))<>'') THEN VALUES(updated_at)
+				ELSE updated_at
+			END`,
+		goodsID, title, imageURL, shopName,
+		imageURL, imageURL, observedAt,
+		shopName, shopName, observedAt,
+		observedAt, observedAt, observedAt)
+	return err
+}
+
+// backfillSybProductMetadata 把历史货运单中每个商品最新的非空店铺、图片补入商品主表。
+// 重放是安全的：实际覆盖规则仍由 upsertSybShopeeProduct 统一执行。
+func backfillSybProductMetadata(db *sql.DB) error {
+	type metadata struct{ shopName, imageURL, observedAt string }
+	items := map[string]metadata{}
+	readLatest := func(column string, assign func(*metadata, string)) error {
+		query := fmt.Sprintf(`SELECT shopee_goods_id, value_text, updated_at FROM (
+			SELECT shopee_goods_id, %s AS value_text, updated_at,
+			       ROW_NUMBER() OVER (PARTITION BY shopee_goods_id ORDER BY updated_at DESC, syb_id DESC) AS row_no
+			FROM syb_orders
+			WHERE TRIM(COALESCE(shopee_goods_id,''))<>'' AND TRIM(COALESCE(%s,''))<>''
+		) ranked WHERE row_no=1`, column, column)
+		rows, err := db.Query(query)
+		if err != nil {
+			return err
+		}
+		defer rows.Close()
+		for rows.Next() {
+			var goodsID, value, observedAt string
+			if err := rows.Scan(&goodsID, &value, &observedAt); err != nil {
+				return err
+			}
+			item := items[goodsID]
+			assign(&item, value)
+			if observedAt > item.observedAt {
+				item.observedAt = observedAt
+			}
+			items[goodsID] = item
+		}
+		return rows.Err()
+	}
+	if err := readLatest("shop_name", func(item *metadata, value string) { item.shopName = value }); err != nil {
+		return fmt.Errorf("读取历史顺运宝店铺失败: %w", err)
+	}
+	if err := readLatest("image_url", func(item *metadata, value string) { item.imageURL = value }); err != nil {
+		return fmt.Errorf("读取历史顺运宝图片失败: %w", err)
+	}
+	for goodsID, item := range items {
+		if err := upsertSybShopeeProduct(db, goodsID, "", item.shopName, item.imageURL, item.observedAt); err != nil {
+			return fmt.Errorf("回填蝦皮商品 %s 的顺运宝元数据失败: %w", goodsID, err)
+		}
+	}
+	return nil
+}
+
+// UpsertSybShopeeSKU 把格式明确的 SYB 规格作为低优先级蝦皮 SKU 观测写入。
+// 返回 parsed=false 时不写库，避免把猜测结果污染商品主数据。
+func UpsertSybShopeeSKU(q Execer, goodsID, specRaw, observedAt string) (parsed bool, err error) {
+	parsedSpec, ok := spec.ParseShopeeSpec(specRaw)
+	if !ok || strings.TrimSpace(goodsID) == "" {
+		return false, nil
+	}
+	specKey, err := spec.SpecKey(specRaw)
+	if err != nil {
+		return false, nil
+	}
+	sum := sha256.Sum256([]byte(goodsID + "\x00" + specKey))
+	recordID := "syb:" + hex.EncodeToString(sum[:])
+	now := model.NowISO()
+	_, err = UpsertCatalogShopeeSKU(q, CatalogShopeeSKUInput{
+		RecordID: recordID, GoodsID: goodsID, SpecRaw: specRaw, SpecKey: specKey,
+		Color: parsedSpec.Color, Size: parsedSpec.Size, Advice: parsedSpec.Advice,
+		ParseOK: true, Source: "syb", ObservedAt: observedAt, Now: now, UpdatePolicy: "fill_missing",
+	})
+	return true, err
+}
+
+func backfillSybShopeeSKUs(db *sql.DB) error {
+	rows, err := db.Query(`SELECT shopee_goods_id,product_spec,updated_at FROM (
+		SELECT shopee_goods_id,product_spec,updated_at,
+		       ROW_NUMBER() OVER (PARTITION BY shopee_goods_id,product_spec ORDER BY updated_at DESC,syb_id DESC) row_no
+		FROM syb_orders
+		WHERE TRIM(COALESCE(shopee_goods_id,''))<>'' AND TRIM(COALESCE(product_spec,''))<>''
+	) ranked WHERE row_no=1`)
+	if err != nil {
+		return fmt.Errorf("读取历史顺运宝规格失败: %w", err)
+	}
+	defer rows.Close()
+	type observation struct{ goodsID, raw, observedAt string }
+	var observations []observation
+	for rows.Next() {
+		var item observation
+		if err := rows.Scan(&item.goodsID, &item.raw, &item.observedAt); err != nil {
+			return err
+		}
+		observations = append(observations, item)
+	}
+	if err := rows.Err(); err != nil {
+		return err
+	}
+	for _, item := range observations {
+		if _, err := UpsertSybShopeeSKU(db, item.goodsID, item.raw, item.observedAt); err != nil {
+			return fmt.Errorf("回填蝦皮商品 %s 的顺运宝规格失败: %w", item.goodsID, err)
+		}
+	}
+	return nil
+}
+
 // SybSpecObservation 是顺运宝对某个蝦皮商品规格的历史观测汇总。
 // 它不是正式蝦皮 SKU，不得写回 shopee_skus。
 type SybSpecObservation struct {
@@ -482,7 +639,7 @@ func sybOrderFilterClause(filter SybOrderFilter) (string, []any) {
 
 const sybOrderContextFrom = `
 		  FROM syb_orders so
-		  LEFT JOIN shopee_products sp ON sp.goods_id = so.shopee_goods_id
+		  LEFT JOIN shopee_products sp ON sp.goods_id = so.shopee_goods_id AND sp.deleted_at IS NULL
 		  LEFT JOIN pdd_products pp ON pp.goods_id = sp.pdd_goods_id AND pp.deleted_at IS NULL
 		  LEFT JOIN spec_mappings sm
 		    ON sm.shopee_goods_id = so.shopee_goods_id

admin/repository/syb_test.go

@@ -10,6 +10,7 @@ import (
 
 	"cmautobuy/admin/config"
 	"cmautobuy/admin/model"
+	"cmautobuy/admin/spec"
 )
 
 func newSybTestDB(t *testing.T) *sql.DB {
@@ -140,6 +141,67 @@ func TestUpsertSybOrder_只更新Syb骨架标题(t *testing.T) {
 	}
 }
 
+func TestUpsertSybOrder_店铺图片按字段来源保护(t *testing.T) {
+	db := newSybTestDB(t)
+	order := model.SybOrder{SybID: "META-1", OrderNo: "O-META", Title: "商品", ShopeeGoodsID: "SP-META", ProductSpec: "黑色,M", ShopName: "店铺一", ImageURL: "https://example.com/1.jpg", Quantity: 1, SybData: "{}"}
+	if _, err := UpsertSybOrder(db, order); err != nil {
+		t.Fatal(err)
+	}
+	var shop, image, shopSource, imageSource string
+	if err := db.QueryRow(`SELECT shopee_shop_name,image_url,shop_name_source,image_source FROM shopee_products WHERE goods_id='SP-META'`).Scan(&shop, &image, &shopSource, &imageSource); err != nil {
+		t.Fatal(err)
+	}
+	if shop != "店铺一" || image != "https://example.com/1.jpg" || shopSource != "syb" || imageSource != "syb" {
+		t.Fatalf("首次补全不正确：shop=%q image=%q sources=%q/%q", shop, image, shopSource, imageSource)
+	}
+
+	order.ShopName, order.ImageURL = "店铺二", "https://example.com/2.jpg"
+	if _, err := UpsertSybOrder(db, order); err != nil {
+		t.Fatal(err)
+	}
+	if _, err := db.Exec(`UPDATE shopee_products SET image_url='https://example.com/api.jpg',image_source='api',shop_name_is_manual=1 WHERE goods_id='SP-META'`); err != nil {
+		t.Fatal(err)
+	}
+	order.ShopName, order.ImageURL = "不应覆盖的店铺", "https://example.com/3.jpg"
+	if _, err := UpsertSybOrder(db, order); err != nil {
+		t.Fatal(err)
+	}
+	if err := db.QueryRow(`SELECT shopee_shop_name,image_url FROM shopee_products WHERE goods_id='SP-META'`).Scan(&shop, &image); err != nil {
+		t.Fatal(err)
+	}
+	if shop != "店铺二" || image != "https://example.com/api.jpg" {
+		t.Fatalf("字段保护失败：shop=%q image=%q", shop, image)
+	}
+}
+
+func TestUpsertSybShopeeSKU_确定性解析并允许权威来源升级(t *testing.T) {
+	db := newSybTestDB(t)
+	now := model.NowISO()
+	if _, err := db.Exec(`INSERT INTO shopee_products(goods_id,title,source,created_at,updated_at) VALUES('SP-SKU','商品','syb',?,?)`, now, now); err != nil {
+		t.Fatal(err)
+	}
+	parsed, err := UpsertSybShopeeSKU(db, "SP-SKU", "白色,L【建議50-60公斤】", now)
+	if err != nil || !parsed {
+		t.Fatalf("SYB 规格应解析成功：parsed=%v err=%v", parsed, err)
+	}
+	if parsed, err := UpsertSybShopeeSKU(db, "SP-SKU", "不明确规格", now); err != nil || parsed {
+		t.Fatalf("不明确规格不应写入：parsed=%v err=%v", parsed, err)
+	}
+	key, _ := spec.SpecKey("白色,L【建議50-60公斤】")
+	outcome, err := UpsertCatalogShopeeSKU(db, CatalogShopeeSKUInput{RecordID: "API-NEW", ShopeeSKUID: "REAL-1", GoodsID: "SP-SKU", SpecRaw: "白色,L【建議50-60公斤】", SpecKey: key, Color: "象牙白", Size: "L", Advice: "建议50-60公斤", ParseOK: true, Source: "partner", ObservedAt: now, Now: now, UpdatePolicy: "fill_missing"})
+	if err != nil || outcome != CatalogSKUFilled {
+		t.Fatalf("权威来源升级失败：outcome=%s err=%v", outcome, err)
+	}
+	var count int
+	var external, color, sourceJSON string
+	if err := db.QueryRow(`SELECT COUNT(*),MAX(COALESCE(shopee_sku_id,'')),MAX(COALESCE(color,'')),MAX(COALESCE(field_sources,'')) FROM shopee_skus WHERE goods_id='SP-SKU'`).Scan(&count, &external, &color, &sourceJSON); err != nil {
+		t.Fatal(err)
+	}
+	if count != 1 || external != "REAL-1" || color != "象牙白" || !strings.Contains(sourceJSON, `"color":"partner"`) {
+		t.Fatalf("升级后数据不正确：count=%d external=%q color=%q sources=%s", count, external, color, sourceJSON)
+	}
+}
+
 func TestUpsertSybOrder_ShopeeGoodsID会被同步更新(t *testing.T) {
 	db := newSybTestDB(t)