后台长时任务启动失败

"module": { 
    "abilities": [ 
        { 
            "backgroundModes": [ 
            "dataTransfer", 
            "location" 
            ], // 后台模式类型 
        } 
    ], 
    "requestPermissions": [ 
        { 
            "name": "ohos.permission.KEEP_BACKGROUND_RUNNING"  // 长时任务权限 
        } 
    ] 
}