vnpy/vn.trader/CTA_setting.json

{
    "Test1": {
        "strategyClassName": "TestStrategy", 
        "vtSymbol": "IF1511"
    }, 
    "Test3": {
        "strategyClassName": "TestStrategy", 
        "vtSymbol": "IF1512"
    }, 
    "Test2": {
        "strategyClassName": "TestStrategy", 
        "vtSymbol": "IH1511"
    }
}