Omission error in thinkphp6.0 rapid development manual (case version)

Question

Model: It is recommended to change the method name

public function goods_find(){		// $find = Goods::find(6);        $find = Goods::where('id',27)->find();        return $find;	}	public function goods_select(){	    // $select = Goods::select();	    // $select = Goods::select(6);	    $select = Goods::where('id','>',7)->select();	    // toArray方法将当前的模型实例输出为数组    	return $select->toArray();	}	public function goods_create(){	    $create = Goods::create([	        'cat' =>  3,	        'title' =>  '新商品',	        'price' =>  '59.99',	        'add_time' => time()	    ]);	    echo $create->id;  // 可以直接获取自增id	    return $create;	}	public function goods_update(){		# 更新方式一(静态方法修改数据，返回的是当前模型的对象实例)		// $update=Goods::update(		// 	['price'=>'99.99'],		// 	['id'=>22],		// );		// return $update;		# 更新方式二(这种方式是最佳的更新方式)		$user=Goods::find(23);		$user->price='102.99';		$save=$user->save();		return $save;	}	public function goods_delete(){		# 删除方法1(静态方法删除数据，返回的是当前模型的对象实例)	    $delete = Goods::where('id',3)->delete();	    # 删除方法2( 根据主键删除)	    // $delete = User::destroy(4);	    return $delete;	}

Answer 1

Support one

Answer 2

What's wrong with this?