diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 237b131..f00c08a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -35,8 +35,7 @@ jobs:
 
       - name: Install Rust toolchain (stable)
         run: |
-          export RUSTUP_DIST_SERVER=https://rsproxy.cn/rustup
-          export RUSTUP_UPDATE_ROOT=https://rsproxy.cn/rustup/rustup
+          export RUSTUP_DIST_SERVER=https://mirrors.ustc.edu.cn/rust-static
           curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain stable --profile minimal --component clippy
           echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"
 
@@ -107,6 +106,7 @@ jobs:
 
       - name: Install Rust toolchain (stable)
         run: |
+          export RUSTUP_DIST_SERVER=https://mirrors.ustc.edu.cn/rust-static
           curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh -s -- -y --default-toolchain stable --profile minimal
           echo "$HOME/.cargo/bin" >> "$GITHUB_PATH"