發生刪除關聯的奇怪行為。查詢生成了一個我沒有添加的額外條件。type Client struct {    gorm.Model    Name        string      `gorm:"unique;not null" validate:"required,min=1,max=30"`    Kyc_status  string      `gorm:"not null" validate:"required,min=1,max=30"`    Kyc_remarks string      `gorm:"default:null" validate:"omitempty,min=0,max=200"`    Operators   []*Operator `gorm:"many2many:client_operators;"`    Op_ids      []string    `gorm:"-:all" validate:"omitempty,dive,numeric"` // placeholder field, wont be part of table}type Operator struct {    gorm.Model    Title       string    `gorm:"unique;not null" validate:"required,min=1,max=100"`    Email       string    `gorm:"not null" validate:"required,email"`    Mobile      string    `gorm:"not null" validate:"required,min=7,max=15,numeric"`    Last_online time.Time `gorm:"default:null" validate:"omitempty"`    Last_ip     string    `gorm:"default:null" validate:"omitempty,ip"`    Clients     []*Client `gorm:"many2many:client_operators;"`    Cli_ids     []string  `gorm:"-:all" validate:"omitempty,dive,numeric"`}// find operators related to clientvar client_query *ClientDBconnection.Where("id = ?", pk).Preload("Operators").First(&client_query)// delete operators related to clientDBconnection.Model(&Client{}).Where("client_id = ?", pk).Association("Operators").Delete(&client_query.Operators)我希望刪除是：[2.000ms] [行：0] 從 `client_operators` 中刪除，其中 client_id = 5 AND `client_operators`.`operator_id` = 1或者[2.000ms] [行：0] 從 `client_operators` 中刪除，其中 `client_operators`.`client_id` = 5 AND `client_operators`.`operator_id` = 1但是它目前確實：[2.000ms] [行：0] 從 `client_operators` 中刪除，其中 client_id = 5 AND `client_operators`.`client_id` IN (NULL) AND `client_operators`.`operator_id` = 1它添加了“ AND `client_operators`.`client_id` IN (NULL) ”的額外條件我試過 Association().Clear() 也沒有做任何事情。