我当前的poetry.lock文件看起来像这样（部分）

# This file is automatically @generated by Poetry and should not be changed by hand.

[[package]]
name = "annotated-types"
version = "0.6.0"
description = "Reusable constraint types to use with typing.Annotated"
category = "main"
optional = false
python-versions = ">=3.8"
files = [
    {file = "annotated_types-0.6.0-py3-none-any.whl", hash = "sha256:0641064de18ba7a25dee8f96403ebc39113d0cb953a01429249d5c7564666a43"},
    {file = "annotated_types-0.6.0.tar.gz", hash = "sha256:563339e807e53ffd9c267e99fc6d9ea23eb8443c08f112651963e24e22f84a5d"},
]

[[package]]
name = "asgiref"
version = "3.7.2"
description = "ASGI specs, helper code, and adapters"
category = "main"
optional = false
python-versions = ">=3.7"
files = [
    {file = "asgiref-3.7.2-py3-none-any.whl", hash = "sha256:89b2ef2247e3b562a16eef663bc0e2e703ec6468e2fa8a5cd61cd449786d4f6e"},
    {file = "asgiref-3.7.2.tar.gz", hash = "sha256:9e0ce3aa93a819ba5b45120216b23878cf6e8525eb3848653452b4192b92afed"},
]

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每个包都有一个类别
现在我需要添加一个额外的软件包。我运行poetry add --group main beautifulsoup4，但是category从每行中删除。我应该怎么做：1）安装一个新的软件包2）使category字段保持不变