diff --git a/action.yml b/action.yml
index 6c74267..3823ccb 100644
--- a/action.yml
+++ b/action.yml
@@ -107,10 +107,10 @@ runs:
           echo "CARGO_REGISTRIES_CRATES_IO_PROTOCOL=sparse" >> $GITHUB_ENV
         fi
         if [[ ! -v RUSTUP_DIST_SERVER ]]; then
-          echo "RUSTUP_DIST_SERVER=\"https://rsproxy.cn\"" >> $GITHUB_ENV
+          echo "RUSTUP_DIST_SERVER=https://rsproxy.cn" >> $GITHUB_ENV
         fi
         if [[ ! -v RUSTUP_UPDATE_ROOT ]]; then 
-          echo "RUSTUP_UPDATE_ROOT=\"https://rsproxy.cn/rustup\"" >> $GITHUB_ENV
+          echo "RUSTUP_UPDATE_ROOT=https://rsproxy.cn/rustup" >> $GITHUB_ENV
         fi
 
     - name: Install Rust Problem Matcher