diff --git a/scripts/dev-up.sh b/scripts/dev-up.sh
index 126ed52..1114eb1 100644
--- a/scripts/dev-up.sh
+++ b/scripts/dev-up.sh
@@ -29,6 +29,11 @@ echo "- 将使用外部构建的前端 (dist/)"
 SCRIPT_DIR=$(cd "$(dirname "$0")" && pwd)
 ROOT_DIR=$(cd "$SCRIPT_DIR/.." && pwd)
 
+if [ ! -d "$ROOT_DIR/node_modules" ]; then
+  echo "[提示] 未检测到 node_modules，将安装依赖 (pnpm install)"
+  (cd "$ROOT_DIR" && pnpm install)
+fi
+
 if [ ! -d "$ROOT_DIR/dist" ]; then
   echo "[提示] 未检测到 dist/，将进行前端构建 (pnpm build)"
   (cd "$ROOT_DIR" && pnpm run build)