fix:

action.yml

@@ -115,21 +115,29 @@ runs:
         if [[ ! -f ~/.cargo/config ]]; then
           mkdir -p ~/.cargo
           cat > ~/.cargo/config <<EOF
-[source.crates-io]
-replace-with = 'rsproxy-sparse'
+          [source.crates-io]
+          replace-with = 'rsproxy-sparse'
 
-[source.rsproxy]
-registry = "https://rsproxy.cn/crates.io-index" 
+          [source.rsproxy]
+          registry = "https://rsproxy.cn/crates.io-index" 
 
-[source.rsproxy-sparse]
-registry = "sparse+https://rsproxy.cn/index/" 
+          [source.rsproxy-sparse]
+          registry = "sparse+https://rsproxy.cn/index/" 
 
-[registries.rsproxy]
-index = "https://rsproxy.cn/crates.io-index" 
+          [registries.rsproxy]
+          index = "https://rsproxy.cn/crates.io-index" 
 
-[net]
-git-fetch-with-cli = true
-EOF
+          [net]
+          git-fetch-with-cli = true
+          EOF
+        fi
+
+    - name: Install Rust toolchain
+      if: runner.os != 'Windows'
+      shell: bash
+      run: |
+        if ! command -v rustup &> /dev/null ; then
+          curl --proto '=https' --tlsv1.2 --retry 10 --retry-connrefused -fsSL "https://rsproxy.cn/rustup-init.sh" | sh -s -- --default-toolchain none -y
         fi
 
     - name: Install Rust toolchain