diff --git a/README.en.md b/README.en.md
index 9ac16aa..3167c49 100644
--- a/README.en.md
+++ b/README.en.md
@@ -178,12 +178,12 @@ node scripts/validate-swiss-deck.mjs path/to/index.html
 
 ## HTMLSlide Sync
 
-If the local HTMLSlide API is running, first bind the local agent to the website account:
+If users access HTMLSlide at `https://html.inherit-ai.top:8085/`, first bind the local agent to the website account:
 
 ```bash
 node scripts/sync-htmlslide.mjs login \
-  --api-base http://127.0.0.1:3001/api \
-  --app-base http://127.0.0.1:5173
+  --api-base https://html.inherit-ai.top:8085/api \
+  --app-base https://html.inherit-ai.top:8085
 ```
 
 The script prints an authorization URL and code. After the user confirms inside the logged-in HTMLSlide website, the agent token is saved to `~/.htmlslide-agent/config.json`.
diff --git a/README.md b/README.md
index e97370e..dd0c136 100644
--- a/README.md
+++ b/README.md
@@ -180,12 +180,12 @@ node scripts/validate-swiss-deck.mjs path/to/index.html
 
 ## HTMLSlide 网站联动
 
-如果本地已经运行 HTMLSlide 后端（默认 `http://127.0.0.1:3001`）,可以先把本地 Agent 绑定到网站账号:
+如果用户访问的 HTMLSlide 网站是 `https://html.inherit-ai.top:8085/`,可以先把本地 Agent 绑定到网站账号:
 
 ```bash
 node scripts/sync-htmlslide.mjs login \
-  --api-base http://127.0.0.1:3001/api \
-  --app-base http://127.0.0.1:5173
+  --api-base https://html.inherit-ai.top:8085/api \
+  --app-base https://html.inherit-ai.top:8085
 ```
 
 脚本会输出网站授权链接和授权码。用户在 HTMLSlide 网站登录后确认授权,Agent token 会保存到 `~/.htmlslide-agent/config.json`。
diff --git a/SKILL.md b/SKILL.md
index f04555d..43631b0 100644
--- a/SKILL.md
+++ b/SKILL.md
@@ -466,8 +466,8 @@ open "项目/XXX/ppt/index.html"
 
 ```bash
 node "<SKILL_ROOT>/scripts/sync-htmlslide.mjs" login \
-  --api-base "http://127.0.0.1:3001/api" \
-  --app-base "http://127.0.0.1:5173"
+  --api-base "https://html.inherit-ai.top:8085/api" \
+  --app-base "https://html.inherit-ai.top:8085"
 ```
 
 脚本会打印 `/agent/authorize?code=XXXX-XXXX` 链接；用户在网站里登录并确认后，token 会保存到 `~/.htmlslide-agent/config.json`。
@@ -497,7 +497,7 @@ node "<SKILL_ROOT>/scripts/sync-htmlslide.mjs" pull --title "网站里的 PPT 
 - 如果用户说“修改我网站上的 xxx PPT”，先运行 `list` 或 `pull --title "xxx"`，修改本地 `index.html`，再运行 `push` 覆盖同一个 `projectId`
 - 如果 `.htmlslide-sync.json` 已存在，优先复用里面的 `apiBase` / `projectId`
 - 如果缺少 agent token，不要猜；先运行 `login` 让用户在网站确认授权
-- 如果 API 没启动，提示用户先启动 HTMLSlide 后端（默认 `http://127.0.0.1:3001`）再重试
+- 如果 API 无法访问，提示用户确认线上 HTMLSlide 服务可访问（默认 `https://html.inherit-ai.top:8085`）再重试
 - 同步成功后告诉用户项目标题和 `projectId`
 
 ### Step 7 · 迭代
diff --git a/scripts/sync-htmlslide.mjs b/scripts/sync-htmlslide.mjs
index d1c896c..2631766 100644
--- a/scripts/sync-htmlslide.mjs
+++ b/scripts/sync-htmlslide.mjs
@@ -3,8 +3,8 @@ import { existsSync, mkdirSync, readFileSync, writeFileSync, watch } from "node:
 import { homedir } from "node:os";
 import { basename, dirname, extname, isAbsolute, join, normalize, relative, resolve, sep } from "node:path";
 
-const DEFAULT_API_BASE = "http://127.0.0.1:3001/api";
-const DEFAULT_APP_BASE = "http://127.0.0.1:5173";
+const DEFAULT_APP_BASE = "https://html.inherit-ai.top:8085";
+const DEFAULT_API_BASE = `${DEFAULT_APP_BASE}/api`;
 const SIDECAR_NAME = ".htmlslide-sync.json";
 const CONFIG_DIR = join(homedir(), ".htmlslide-agent");
 const CONFIG_PATH = join(CONFIG_DIR, "config.json");
@@ -350,7 +350,7 @@ function parseArgs(argv) {
 function usage(message) {
   if (message) console.error(message);
   console.error(`Usage:
-  node scripts/sync-htmlslide.mjs login [--api-base http://127.0.0.1:3001/api] [--app-base http://127.0.0.1:5173]
+  node scripts/sync-htmlslide.mjs login [--api-base https://html.inherit-ai.top:8085/api] [--app-base https://html.inherit-ai.top:8085]
   node scripts/sync-htmlslide.mjs list
   node scripts/sync-htmlslide.mjs pull --title "Project title" --out path/to/ppt/index.html
   node scripts/sync-htmlslide.mjs pull --project-id <id> --out path/to/ppt/index.html