json server using _embed returns an empty array when accessing children

[Fighteros]

json server using _embed returns an empty array

my db file

{
"id": 2,
"companyName": "Coffee Mockal",
"employees": [
{
"id": 1,
"username": "Moustapha Mohamed",
"email": "moustapha11@fakedata.json.server"
},
{
"id": 2,
"username": "Ali Mohamed",
"email": "Ali@fakedata.json.server"
},
{
"id": 3,
"username": "Mohamed Aymen",
"email": "Mohamed Aymen@fakedata.json.server"
},
{
"id": 1,
"username": "Moustapha Mohamed",
"email": "moustapha11@fakedata.json.server"
},
{
"id": 2,
"username": "Ali Mohamed",
"email": "Ali@fakedata.json.server"
},
{
"id": 3,
"username": "Mohamed Aymen",
"email": "Mohamed Aymen@fakedata.json.server"
},
{
"id": 1,
"username": "Moustapha Mohamed",
"email": "moustapha11@fakedata.json.server"
},
{
"id": 2,
"username": "Ali Mohamed",
"email": "Ali@fakedata.json.server"
},
{
"id": 3,
"username": "Mohamed Aymen",
"email": "Mohamed Aymen@fakedata.json.server"
},
{
"id": 1,
"username": "Moustapha Mohamed",
"email": "moustapha11@fakedata.json.server"
},
{
"id": 2,
"username": "Ali Mohamed",
"email": "Ali@fakedata.json.server"
},
{
"id": 3,
"username": "Mohamed Aymen",
"email": "Mohamed Aymen@fakedata.json.server"
}
]
}

when i try
http://localhost:5000/companies/2?_embed=employees

the server responds with an empty array