优化数据获取逻辑，添加下载失败重试机制

.github/workflows/data.yml

@@ -33,17 +33,13 @@ jobs:
           git config --global user.name "github-actions[bot]"
           sudo timedatectl set-timezone "Asia/Shanghai"
 
-      - name: Delay
-        run: |
-          echo "Delaying for 1 minutes..."
-          sleep 60
-
       - name: Get Data
         run: |
           REPO="${{ github.server_url }}/${{ github.repository }}"
           PRERELEASE="true"
 
           TAG=""
+          for i in {1..3}; do
             if [ "${PRERELEASE}" = "true" ]; then
               TAG="$(curl -skL --connect-timeout 10 "${REPO}/tags" | grep "/refs/tags/.*\.zip" | sed -E 's/.*\/refs\/tags\/(.*)\.zip.*$/\1/' | sort -rV | head -1)"
             else
@@ -52,8 +48,15 @@ jobs:
             [ "${TAG:0:1}" = "v" ] && TAG="${TAG:1}"
             rm -f rr-${TAG}.img.zip
             STATUS=$(curl -kL --connect-timeout 10 -w "%{http_code}" "${REPO}/releases/download/${TAG}/rr-${TAG}.img.zip" -o "rr-${TAG}.img.zip")
-          if [ $? -ne 0 ] || [ ${STATUS:-0} -ne 200 ]; then
-            echo "Download failed"
+            if [ $? -eq 0 ] && [ ${STATUS:-0} -eq 200 ]; then
+              break
+            else
+              echo "Download failed, retry $i/3"
+              sleep 60
+            fi
+          done
+          if [ ! -f "rr-${TAG}.img.zip" ] || [ ${STATUS:-0} -ne 200 ]; then
+            echo "Download failed after 3 attempts"
             exit 1
           fi