fix:

action.yml

@@ -132,6 +132,14 @@ 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
       if: runner.os == 'Windows'
       shell: bash