I am using this way to get the image url but it will not working. please anyone can give me the answer

<img src="{{ $user->getImageUrl() }}" alt="profile picture">

i am storing the image path in the database like this profile/xa6OUndH8AoSZ6bL1JbQe1CXM5tedXfoRbMDVgCQ.png

my funciton on User model

function getImageUrl(){
        if($this->image){
            $imagePath = 'public/' . $this->image;
            if(Storage::exists($imagePath)){
                return url('storage/' . $this->image);
            }
        }
        return url('storage/default-user.png');
    }

Here is the location of my image

enter image description here

and the location which is shows on the browser

enter image description here

how to solve this issue