优化 Docker Compose 下载：添加多个国内镜像源备份

- 添加 5 个国内镜像源自动切换（ghproxy.net、gh-proxy.com 等）
- 每个源 15 秒连接超时、60 秒下载超时
- 循环尝试，任一成功即停止
- 所有国内源失败后才使用官方源（300 秒超时）
- 显示每个源的尝试状态，便于调试

.gitea/workflows/deploy.yaml

@@ -29,13 +29,31 @@ jobs:
             # 创建插件目录
             mkdir -p ~/.docker/cli-plugins/
             
-            # 尝试从国内镜像下载（更快）
-            echo "尝试从国内镜像下载..."
-            if curl -fSL --connect-timeout 10 https://mirror.ghproxy.com/https://github.com/docker/compose/releases/download/v2.24.5/docker-compose-linux-x86_64 -o ~/.docker/cli-plugins/docker-compose 2>/dev/null; then
-              echo "✅ 从国内镜像下载成功"
-            else
-              echo "⚠️  国内镜像失败，尝试官方源..."
-              curl -fSL https://github.com/docker/compose/releases/download/v2.24.5/docker-compose-linux-x86_64 -o ~/.docker/cli-plugins/docker-compose
+            # 定义多个国内镜像源（按顺序尝试）
+            MIRRORS=(
+              "https://ghproxy.net/https://github.com/docker/compose/releases/download/v2.24.5/docker-compose-linux-x86_64"
+              "https://gh-proxy.com/https://github.com/docker/compose/releases/download/v2.24.5/docker-compose-linux-x86_64"
+              "https://ghps.cc/https://github.com/docker/compose/releases/download/v2.24.5/docker-compose-linux-x86_64"
+              "https://github.moeyy.xyz/https://github.com/docker/compose/releases/download/v2.24.5/docker-compose-linux-x86_64"
+              "https://mirror.ghproxy.com/https://github.com/docker/compose/releases/download/v2.24.5/docker-compose-linux-x86_64"
+            )
+            
+            DOWNLOADED=false
+            for MIRROR in "${MIRRORS[@]}"; do
+              echo "🔄 尝试: $(echo $MIRROR | cut -d'/' -f3)"
+              if curl -fSL --connect-timeout 15 --max-time 60 "$MIRROR" -o ~/.docker/cli-plugins/docker-compose 2>/dev/null; then
+                echo "✅ 下载成功"
+                DOWNLOADED=true
+                break
+              else
+                echo "❌ 失败，尝试下一个..."
+              fi
+            done
+            
+            # 如果所有国内镜像都失败，尝试官方源
+            if [ "$DOWNLOADED" = false ]; then
+              echo "⚠️  所有国内镜像失败，尝试官方源（可能较慢）..."
+              curl -fSL --connect-timeout 30 --max-time 300 https://github.com/docker/compose/releases/download/v2.24.5/docker-compose-linux-x86_64 -o ~/.docker/cli-plugins/docker-compose
             fi
             
             chmod +x ~/.docker/cli-plugins/docker-compose