diff --git a/gitea_runner_base/Dockerfile b/gitea_runner_base/Dockerfile
index abf00f0..fb5e5a3 100644
--- a/gitea_runner_base/Dockerfile
+++ b/gitea_runner_base/Dockerfile
@@ -6,10 +6,7 @@ FROM gitea/act_runner:latest
 LABEL maintainer="www.imyeyu.com"
 LABEL description="Gitea Action Runner with basic build tools"
 
-# 预装常用 GitHub Actions 缓存目录
-ENV ACTIONS_CACHE_DIR=/root/.cache/act
-
-# 安装基本构建工具并预装常用 GitHub Actions
+# 安装基本构建工具
 # act_runner 基于 Alpine Linux
 RUN apk update && apk add --no-cache \
     # 版本控制
@@ -46,14 +43,4 @@ RUN apk update && apk add --no-cache \
     # 其他常用工具
     jq \
     tree \
-    && rm -rf /var/cache/apk/* \
-    # 预装常用 GitHub Actions，避免每次执行都从 GitHub clone
-    # 目录结构必须是 {owner}/{repo}@{ref} 格式
-    && mkdir -p ${ACTIONS_CACHE_DIR}/actions \
-    && cd ${ACTIONS_CACHE_DIR}/actions \
-    && git clone --depth 1 --branch v4 https://github.com/actions/checkout.git checkout@v4 \
-    && git clone --depth 1 --branch v4 https://github.com/actions/cache.git cache@v4 \
-    && git clone --depth 1 --branch v4 https://github.com/actions/upload-artifact.git upload-artifact@v4 \
-    && git clone --depth 1 --branch v4 https://github.com/actions/download-artifact.git download-artifact@v4 \
-    # 清理 .git 目录减少镜像体积
-    && find ${ACTIONS_CACHE_DIR} -name ".git" -type d -exec rm -rf {} + 2>/dev/null || true
+    && rm -rf /var/cache/apk/*