bug: conda cache does not work

[gaocegege]

Are you use the envd server?

• Yes, I am using the envd server.
• No, I am not using the envd server.

Describe the bug

def build():
    config.repo(url="https://github.com/tensorchord/envd", description="gnn")
    base(os="ubuntu20.04", language="python3.7")

    install.cuda(version="11.3.1")

    install.python_packages(name = [
        "dgllife",
    ])

    install.conda_packages(
        name=[
            "pytorch",
            "cudatoolkit=11.3",
            "rdkit",
            "dgl-cuda11.3",
        ],
        channel=[
            "pytorch",
            "conda-forge",
            "dglteam",
        ],
    )
    shell("bash")

The conda cannot be cached

To Reproduce

• run with the build.envd

Expected behavior

No response

The docker info output

None

The envd version output

v0.3.11

Additional context

No response

[gaocegege]

@cutecutecat

Could you please have a look?