diff --git a/pnpm-install/action.yml b/pnpm-install/action.yml
index a3c69a6..a3b258c 100644
--- a/pnpm-install/action.yml
+++ b/pnpm-install/action.yml
@@ -38,7 +38,7 @@ inputs:
   clean-project-store:
     description: '安装后清理项目根目录的 .pnpm-store (true/false)'
     required: false
-    default: 'true'
+    default: 'false'
 
 outputs:
   cache-hit:
@@ -126,7 +126,6 @@ runs:
         fi
         
         # 构建缓存 key
-        PNPM_VERSION="${PNPM_VERSION}"
         CACHE_KEY="${{ runner.os }}-${CACHE_PREFIX}-pnpm-v${PNPM_VERSION}-${CACHE_HASH_SHORT}"
         RESTORE_PREFIX="${{ runner.os }}-${CACHE_PREFIX}-pnpm-v${PNPM_VERSION}-"
         
@@ -148,16 +147,28 @@ runs:
           exit 1
         fi
 
-        STORE_DIR_CANDIDATE=$(pnpm store path --silent 2>/dev/null | grep -v '^[[:space:]]*$' | tail -n1 | tr -d '\r\n')
+        # 优先级：Docker 默认路径 > pnpm store path
+        STORE_DIR_CANDIDATE=""
+
+        # 1. 检查 Docker 环境默认路径
+        if [[ -d "/pnpm/store" ]]; then
+          STORE_DIR_CANDIDATE="/pnpm/store"
+          echo "📝 检测到 Docker 环境，使用默认路径: $STORE_DIR_CANDIDATE"
+        # 2. 通过 pnpm 命令获取
+        else
+          STORE_DIR_CANDIDATE=$(pnpm store path --silent 2>/dev/null | grep -v '^[[:space:]]*$' | tail -n1 | tr -d '\r\n')
+          if [[ -n "$STORE_DIR_CANDIDATE" ]]; then
+            echo "📝 通过 pnpm store path 获取: $STORE_DIR_CANDIDATE"
+          fi
+        fi
 
         if [[ -z "$STORE_DIR_CANDIDATE" ]]; then
-          echo "❌ pnpm store path 未返回有效路径" >&2
-          echo "💡 提示: 可在运行前设置 PNPM_HOME 环境变量或检查 pnpm 配置" >&2
+          echo "❌ 无法确定 pnpm store 路径" >&2
+          echo "💡 提示: 确保 pnpm 配置正确或检查 /pnpm/store 目录" >&2
           exit 1
         fi
 
         echo "📦 pnpm store 路径: $STORE_DIR_CANDIDATE"
-        echo "PNPM_STORE_DIR=${STORE_DIR_CANDIDATE}" >> "$GITHUB_ENV"
         echo "path=${STORE_DIR_CANDIDATE}" >> "$GITHUB_OUTPUT"
 
     - name: 拉取缓存