度娘没有解决方案，求大神指导一下， 错误如下： /Users/lgy/.cargo/bin/cargo build --message-format=json-diagnostic-rendered-ansi --color=always --package diffFinder --bin diffFinder Blocking waiting for file lock on package cache Downloaded bevy_app v0.6.0 (registry ustc) warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (2 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) Downloaded bindgen v0.56.0 (registry ustc) warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) Downloaded bytemuck_derive v1.0.1 (registry ustc) warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) Downloaded bytemuck v1.7.3 (registry ustc) warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) Downloaded cache-padded v1.2.0 (registry ustc) warning: spurious network error (1 tries remaining): [6] Couldn't resolve host name (Could not resolve host: crates) error: failed to download from https://crates-io.proxy.ustclug.org/api/v1/crates/spirv/0.2.0+1.5.4/download Caused by: [6] Couldn't resolve host name (Could not resolve host: crates) Process finished with exit code 101