laravel Call to undefined method 1Illuminate\Database\Query\Builder::getForeignKeyName() or 1Illumin

vendor/laravel/framework/src/Illuminate/Database/Eloquent/Relations/BelongsTo.php 
添加！！！！！！！public function getForeignKeyName()
{$segments = explode('.', $this->getQualifiedForeignKeyName());return end($segments);
}public function getQualifiedForeignKeyName()
{return $this->foreignKey;
}