diff --git a/install_server/install_server.sh b/install_server/install_server.sh
index abbec65..12b189b 100644
--- a/install_server/install_server.sh
+++ b/install_server/install_server.sh
@@ -113,6 +113,8 @@ apt-get install -y \
   coreutils \
   procps \
   iproute2 \
+  libatomic1 \
+  libatomic1:i386 \
   libc6:i386 \
   libstdc++6:i386 \
   libgcc-s1:i386 \
@@ -231,8 +233,15 @@ mkdir -p "${ETS2_DOC_DIR}/Euro Truck Simulator 2"
 
 chown -R "${STEAM_USER}:${STEAM_USER}" "${STEAM_HOME}"
 
-chmod -R 775 "${ETS2_BIN_DIR}" || true
-chmod -R 775 "${ETS2_DOC_DIR}" || true
+find "${ETS2_BIN_DIR}" -type d -exec chmod 775 {} \; 2>/dev/null || true
+find "${ETS2_BIN_DIR}" -type f -exec chmod 664 {} \; 2>/dev/null || true
+
+chmod +x "${SERVER_SCRIPT_PATH}" || true
+chmod +x "${ETS2_BIN_DIR}/server_launch.sh" 2>/dev/null || true
+chmod +x "${ETS2_BIN_DIR}/eurotrucks2_server" 2>/dev/null || true
+
+find "${ETS2_DOC_DIR}" -type d -exec chmod 775 {} \; 2>/dev/null || true
+find "${ETS2_DOC_DIR}" -type f -exec chmod 664 {} \; 2>/dev/null || true
 
 echo "[OK] 权限设置完成"
 
@@ -262,6 +271,16 @@ chmod +x "${ETS2_CMD}"
 
 echo "[OK] 快捷命令创建完成：${ETS2_CMD}"
 
+echo
+echo "十一、基础检查"
+
+if [ -f "${ETS2_BIN_DIR}/eurotrucks2_server" ]; then
+  echo "[INFO] 检查 eurotrucks2_server 依赖："
+  ldd "${ETS2_BIN_DIR}/eurotrucks2_server" | grep -i "not found" || echo "[OK] 未发现缺失动态库"
+else
+  echo "[WARN] 未找到 ${ETS2_BIN_DIR}/eurotrucks2_server"
+fi
+
 echo
 echo "========================================"
 echo "部署完成"