diff --git a/deploy/storyforge-fnos-web-v4.compose.yaml b/deploy/storyforge-fnos-web-v4.compose.yaml
new file mode 100644
index 0000000..4778f55
--- /dev/null
+++ b/deploy/storyforge-fnos-web-v4.compose.yaml
@@ -0,0 +1,9 @@
+services:
+  storyforge-web-v4-dev:
+    image: docker.m.daocloud.io/library/nginx:alpine
+    container_name: storyforge-web-v4-dev
+    restart: unless-stopped
+    ports:
+      - "${STORYFORGE_WEB_V4_DEV_PORT:-19192}:80"
+    volumes:
+      - ../../storyforge/web/storyforge-web-v4:/usr/share/nginx/html:ro
diff --git a/scripts/deploy_fnos_storyforge_web.sh b/scripts/deploy_fnos_storyforge_web.sh
new file mode 100755
index 0000000..4e68810
--- /dev/null
+++ b/scripts/deploy_fnos_storyforge_web.sh
@@ -0,0 +1,111 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+ROOT="$(CDPATH= cd -- "$(dirname "$0")/.." && pwd)"
+
+export CODEX_HOME="${CODEX_HOME:-$HOME/.codex}"
+export FNOS_SKILL="${FNOS_SKILL:-$CODEX_HOME/skills/fnos-hyzq-deploy}"
+export FNOS_SSH="${FNOS_SSH:-$FNOS_SKILL/scripts/fnos_ssh.sh}"
+export FNOS_SCP="${FNOS_SCP:-$FNOS_SKILL/scripts/fnos_scp.sh}"
+
+FNOS_HOST="${FNOS_HOST:-192.168.31.188}"
+FNOS_USER="${FNOS_USER:-krisolo}"
+REMOTE_ROOT="${STORYFORGE_FNOS_REMOTE_ROOT:-/vol1/docker/hyzq-stack/current/storyforge}"
+REMOTE_WEB_PARENT="$REMOTE_ROOT/web"
+REMOTE_WEB_DIR="$REMOTE_WEB_PARENT/storyforge-web-v4"
+REMOTE_ASSETS_DIR="$REMOTE_WEB_DIR/assets"
+REMOTE_COMPOSE_DIR="${STORYFORGE_FNOS_COMPOSE_DIR:-/vol1/docker/hyzq-stack/current/deploy/fnos}"
+REMOTE_COMPOSE_FILE="$REMOTE_COMPOSE_DIR/storyforge-fnos-web-v4.compose.yaml"
+BACKEND_URL="${STORYFORGE_FNOS_BACKEND_URL:-https://storyforge.hyzq.net}"
+WEB_PORT="${STORYFORGE_WEB_V4_DEV_PORT:-19192}"
+
+need_cmd() {
+  if ! command -v "$1" >/dev/null 2>&1; then
+    echo "missing required command: $1" >&2
+    exit 1
+  fi
+}
+
+need_cmd python3
+
+if [ -z "${FNOS_PASSWORD:-}" ]; then
+  need_cmd security
+fi
+
+shell_quote() {
+  python3 - "$1" <<'PY'
+import shlex
+import sys
+print(shlex.quote(sys.argv[1]))
+PY
+}
+
+json_quote() {
+  python3 - "$1" <<'PY'
+import json
+import sys
+print(json.dumps(sys.argv[1], ensure_ascii=False))
+PY
+}
+
+resolve_password() {
+  if [ -n "${FNOS_PASSWORD:-}" ]; then
+    printf '%s' "$FNOS_PASSWORD"
+    return 0
+  fi
+  security find-internet-password -s "$FNOS_HOST" -a "$FNOS_USER" -w
+}
+
+run_remote_sudo() {
+  local password="$1"
+  shift
+  local remote_cmd="$*"
+  local password_quoted
+  password_quoted="$(shell_quote "$password")"
+  "$FNOS_SSH" "$(shell_quote "printf '%s\\n' $password_quoted | sudo -S -p '' sh -lc $(shell_quote "$remote_cmd")")"
+}
+
+PASSWORD="$(resolve_password)"
+TMPDIR_DEPLOY="$(mktemp -d)"
+RUNTIME_CONFIG_FILE="$TMPDIR_DEPLOY/storyforge-runtime-config.js"
+BACKEND_URL_JSON="$(json_quote "$BACKEND_URL")"
+trap 'rm -rf "$TMPDIR_DEPLOY"' EXIT
+
+cat >"$RUNTIME_CONFIG_FILE" <<EOF
+(function () {
+  window.__STORYFORGE_RUNTIME_CONFIG__ = Object.assign(
+    {},
+    window.__STORYFORGE_RUNTIME_CONFIG__ || {},
+    {
+      backendUrl: $BACKEND_URL_JSON
+    }
+  );
+})();
+EOF
+
+echo "[1/6] prepare remote directories"
+"$FNOS_SSH" "$(shell_quote "mkdir -p $(shell_quote "$REMOTE_WEB_PARENT") $(shell_quote "$REMOTE_ASSETS_DIR") $(shell_quote "$REMOTE_COMPOSE_DIR")")"
+
+echo "[2/6] sync web files"
+"$FNOS_SCP" "$REMOTE_WEB_PARENT" "$ROOT/web/storyforge-web-v4"
+
+echo "[3/6] sync runtime config override"
+"$FNOS_SCP" "$REMOTE_ASSETS_DIR" "$RUNTIME_CONFIG_FILE"
+
+echo "[4/6] sync compose file"
+"$FNOS_SCP" "$REMOTE_COMPOSE_DIR" "$ROOT/deploy/storyforge-fnos-web-v4.compose.yaml"
+
+echo "[5/6] restart fnOS web container"
+run_remote_sudo "$PASSWORD" "cd $(shell_quote "$REMOTE_COMPOSE_DIR") && STORYFORGE_WEB_V4_DEV_PORT=$(shell_quote "$WEB_PORT") docker compose -f $(shell_quote "$REMOTE_COMPOSE_FILE") up -d --force-recreate storyforge-web-v4-dev && STORYFORGE_WEB_V4_DEV_PORT=$(shell_quote "$WEB_PORT") docker compose -f $(shell_quote "$REMOTE_COMPOSE_FILE") ps"
+
+echo "[6/6] verify lan web"
+for _attempt in 1 2 3 4 5 6 7 8 9 10; do
+  if curl -fsS "http://$FNOS_HOST:$WEB_PORT/" >/dev/null; then
+    break
+  fi
+  sleep 2
+done
+curl -fsS "http://$FNOS_HOST:$WEB_PORT/" >/dev/null
+curl -fsS "http://$FNOS_HOST:$WEB_PORT/assets/storyforge-runtime-config.js" | grep -q "$BACKEND_URL"
+
+echo "fnOS StoryForge Web V4 ready: http://$FNOS_HOST:$WEB_PORT/"
diff --git a/web/storyforge-web-v4/README.md b/web/storyforge-web-v4/README.md
index 4715ee5..1516b55 100644
--- a/web/storyforge-web-v4/README.md
+++ b/web/storyforge-web-v4/README.md
@@ -110,7 +110,7 @@ python3 -m http.server 3918
 
 - [http://127.0.0.1:3918/index.html](http://127.0.0.1:3918/index.html)
 
-首次进入需要手动连接后端，默认地址是：
+如果本地是 `127.0.0.1 / localhost`，前端默认会连：
 
 - `http://127.0.0.1:8081`
 
@@ -122,6 +122,18 @@ python3 -m http.server 3918
 
 - `https://storyforge.hyzq.net`
 
+如果页面部署在 NAS 之类的局域网静态站点上，推荐通过运行时配置显式指定后端：
+
+- `assets/storyforge-runtime-config.js`
+- `window.__STORYFORGE_RUNTIME_CONFIG__.backendUrl = "https://storyforge.hyzq.net"`
+
+仓库内已经提供一键部署脚本，可直接把前端发到飞牛 NAS 上跑开发测试：
+
+```bash
+cd /Users/kris/code/StoryForge-gitea
+./scripts/deploy_fnos_storyforge_web.sh
+```
+
 ## 后续建议
 
 - 继续补多平台各自更深的专属采集与解析能力，而不只是一套统一抽象层
diff --git a/web/storyforge-web-v4/assets/storyforge-api-client.js b/web/storyforge-web-v4/assets/storyforge-api-client.js
index 432c61a..e7e89e9 100644
--- a/web/storyforge-web-v4/assets/storyforge-api-client.js
+++ b/web/storyforge-web-v4/assets/storyforge-api-client.js
@@ -3,6 +3,11 @@
     if (typeof window === "undefined") {
       return "http://127.0.0.1:8081";
     }
+    const runtimeConfig = window.__STORYFORGE_RUNTIME_CONFIG__ || window.__STORYFORGE_CONFIG__ || {};
+    const configuredBackendUrl = String(runtimeConfig.backendUrl || runtimeConfig.backendURL || "").trim();
+    if (configuredBackendUrl) {
+      return configuredBackendUrl.replace(/\/$/, "");
+    }
     const { origin, hostname, port, pathname } = window.location;
     if (/^https?:/i.test(origin) && hostname === "storyforge.hyzq.net") {
       return origin;
diff --git a/web/storyforge-web-v4/assets/storyforge-runtime-config.js b/web/storyforge-web-v4/assets/storyforge-runtime-config.js
new file mode 100644
index 0000000..e54393c
--- /dev/null
+++ b/web/storyforge-web-v4/assets/storyforge-runtime-config.js
@@ -0,0 +1,8 @@
+(function () {
+  window.__STORYFORGE_RUNTIME_CONFIG__ = Object.assign(
+    {
+      backendUrl: ""
+    },
+    window.__STORYFORGE_RUNTIME_CONFIG__ || {}
+  );
+})();
diff --git a/web/storyforge-web-v4/index.html b/web/storyforge-web-v4/index.html
index 3b27ce8..6f78058 100644
--- a/web/storyforge-web-v4/index.html
+++ b/web/storyforge-web-v4/index.html
@@ -1912,6 +1912,7 @@
       </main>
     </div>
 
+    <script src="./assets/storyforge-runtime-config.js"></script>
     <script src="./assets/storyforge-session-store.js"></script>
     <script src="./assets/storyforge-api-client.js"></script>
     <script src="./assets/storyforge-platform-runtime.js"></script>