Web服务响应返回0

Question

在我的android应用程序中，我在调试并检查响应时始终调用Web服务，该服务始终返回Fee（key）值0，但是当我当时使用邮递员调用同一Web服务时，它将返回有效数据。

可能是什么问题？请帮助我。

邮递员回复

{
    "status": "true",
    "responsecode": "200",
    "message": "success",
    "response": [
        {
            "class_id": "",
            "name": "Select Class type",
            "fee": 0,
            "minutes": 0
        },
        {
            "class_id": 1,
            "name": "Tenth",
            "fee": "500",
            "minutes": "1"
        },
        {
            "class_id": 2,
            "name": "Ninth",
            "fee": "450",
            "minutes": "1"
        },
        {
            "class_id": 3,
            "name": "First",
            "fee": "150",
            "minutes": "1"
        },
        {
            "class_id": 4,
            "name": "Second",
            "fee": "100",
            "minutes": "1"
        },
        {
            "class_id": 5,
            "name": "Third",
            "fee": "150",
            "minutes": "1"
        },
        {
            "class_id": 6,
            "name": "Fourth",
            "fee": "30",
            "minutes": "1"
        },
        {
            "class_id": 7,
            "name": "Fifth",
            "fee": "50",
            "minutes": "1"
        },
        {
            "class_id": 8,
            "name": "Sixth",
            "fee": "50",
            "minutes": "1"
        },
        {
            "class_id": 9,
            "name": "Seventh",
            "fee": "40",
            "minutes": "1"
        },
        {
            "class_id": 10,
            "name": "Eighth",
            "fee": "60",
            "minutes": "1"
        },
        {
            "class_id": 12,
            "name": "Eleventh",
            "fee": "80",
            "minutes": "1"
        },
        {
            "class_id": 13,
            "name": "Twelfth",
            "fee": "100",
            "minutes": "1"
        }
    ]
}

Android debug response:
{
    "status": "true",
    "responsecode": "200",
    "message": "success",
    "response": [
        {
            "class_id": "",
            "name": "Select Class type",
            "fee": 0,
            "minutes": 0
        },
        {
            "class_id": 1,
            "name": "Tenth",
            "fee": "0",
            "minutes": "0"
        },
        {
            "class_id": 2,
            "name": "Ninth",
            "fee": "0",
            "minutes": "0"
        },
        {
            "class_id": 3,
            "name": "First",
            "fee": "0",
            "minutes": "0"
        },
        {
            "class_id": 4,
            "name": "Second",
            "fee": "0",
            "minutes": "0"
        },
        {
            "class_id": 5,
            "name": "Third",
            "fee": "0",
            "minutes": "0"
        },
        {
            "class_id": 6,
            "name": "Fourth",
            "fee": "0",
            "minutes": "0"
        },
        {
            "class_id": 7,
            "name": "Fifth",
            "fee": "0",
            "minutes": "0"
        },
        {
            "class_id": 8,
            "name": "Sixth",
            "fee": "0",
            "minutes": "0"
        },
        {
            "class_id": 9,
            "name": "Seventh",
            "fee": "0",
            "minutes": "0"
        },
        {
            "class_id": 10,
            "name": "Eighth",
            "fee": "0",
            "minutes": "0"
        },
        {
            "class_id": 12,
            "name": "Eleventh",
            "fee": "0",
            "minutes": "0"
        },
        {
            "class_id": 13,
            "name": "Twelfth",
            "fee": "0",
            "minutes": "0"
        }
    ]
}