Merge branch 'LearningOS:ch3' into ch3

Author: afox666

.github/workflows/build.yml

@@ -31,6 +31,14 @@ jobs:
     container:
       image: duskmoon/dev-env:rcore-ci
     steps:
+      - name: Remove Cargo proxy config
+        run: |
+          unset RUSTUP_DIST_SERVER
+          unset RUSTUP_UPDATE_ROOT
+          unset CARGO_HTTP_MULTIPLEXING
+          # 删除或重置全局配置
+          rm ${CARGO_HOME}/config.toml || true
+          rm -rf rm ${CARGO_HOME}/registry/* || true
       - uses: actions/checkout@v4
       - name: Run tests
         run: |