上传错误如下描述， 我只添加了一个任务，为啥初始化后有5个等待任务

[showdy]

I [MultipartUploadQueue][INFO]: --------------------------
I [MultipartUploadQueue][INFO]: Start processing the queue
I [MultipartUploadQueue][INFO]: Initialize queue status
I [MultipartUploadQueue][INFO]: There are now 5 tasks in waiting
I [MultipartUploadQueue][INFO]: There are now 1 concurrency limit
I [MultipartUploadQueue][INFO]: 1 tasks were called up
I [MultipartUploadQueue][INFO]: In process with padding task
I [MultipartUploadQueue][INFO]: Padding task is a Task
I [MultipartUploadQueue][INFO]: Task is resolved {"result":true}
I [MultipartUploadQueue][INFO]: There are now 4 tasks in waiting
I [MultipartUploadQueue][INFO]: There are now 1 concurrency limit
I [MultipartUploadQueue][INFO]: 1 tasks were called up
I [MultipartUploadQueue][INFO]: In process with padding task
I [MultipartUploadQueue][INFO]: Padding task is a Task
I [MultipartUploadQueue][INFO]: Task is resolved {"result":true}
I [MultipartUploadQueue][INFO]: There are now 3 tasks in waiting
I [MultipartUploadQueue][INFO]: There are now 1 concurrency limit
I [MultipartUploadQueue][INFO]: 1 tasks were called up
I [MultipartUploadQueue][INFO]: In process with padding task
I [MultipartUploadQueue][INFO]: Padding task is a Task
I [MultipartUploadQueue][INFO]: Task is resolved {"error":{"name":"HttpRequestError","stack":" at UploadError (oh_modules/.ohpm/@qiniu+upload@1.0.0/oh_modules/@qiniu/upload/src/main/ets/components/@internal/types/error.js:6:1)\n at anonymous (oh_modules/.ohpm/@qiniu+upload@1.0.0/oh_modules/@qiniu/upload/src/main/ets/components/http/index.ts:138:22)\n"}}
I [MultipartUploadQueue][ERROR]: Queue has error: undefined
I [MultipartUploadQueue][INFO]: Cancel the queue
I [MultipartUploadQueue][INFO]: Cancel 0 tasks in the queue
I [MultipartUploadQueue][ERROR]: Unknown task execution status
I [MultipartUploadQueue][INFO]: Cancel completed
I [MultipartUploadQueue][INFO]: Cancel the queue
I [MultipartUploadQueue][INFO]: Cancel 0 tasks in the queue
I [MultipartUploadQueue][INFO]: Cancel completed