diff --git a/README.md b/README.md
index c2dae241..dd822dd6 100644
--- a/README.md
+++ b/README.md
@@ -131,12 +131,12 @@ Click the following links to generate a new repository with template:
 
 ### Extended Features
 
-- **AI Summary**, **AI Search** and **AI Chatbot** supported by [PostChat](https://ai.tianli0.top/?InviteID=IRE1S88Z)
+- **AI Summary**, **AI Search** and **AI Chatbot** supported by [PostChat](https://ai.zhheo.com/console/login?InviteID=85041330)
 - **PWA (Progressive Web App)** supported
 - **Sub Menu** supported
 - **Content Encryption** supported (Pages, Partial)
 - **Friends** page embedded template
-- **Search** supported by [algolia](https://www.algolia.com/), [Fuse.js](https://fusejs.io/), CSE or [PostChat](https://ai.tianli0.top/?InviteID=IRE1S88Z)
+- **Search** supported by [algolia](https://www.algolia.com/), [Fuse.js](https://fusejs.io/), CSE or [PostChat](https://ai.zhheo.com/console/login?InviteID=85041330)
 - **Custom Search Engine (CSE)** supported by [Google](https://programmablesearchengine.google.com/)
 - **Twemoji** supported
 - Automatically **highlighting** code
diff --git a/README.zh-cn.md b/README.zh-cn.md
index 107e0280..85c1db9c 100644
--- a/README.zh-cn.md
+++ b/README.zh-cn.md
@@ -135,12 +135,12 @@ Gitee 镜像仓库：<https://gitee.com/lruihao/FixIt>
 
 ### 扩展功能
 
-- 支持基于 [PostChat](https://ai.tianli0.top/?InviteID=IRE1S88Z) 的 **AI 摘要**、**AI 搜索** 和 **AI 智能客服**
+- 支持基于 [PostChat](https://ai.zhheo.com/console/login?InviteID=85041330) 的 **AI 摘要**、**AI 搜索** 和 **AI 智能客服**
 - 支持**渐进式网页应用**
 - 支持**二级菜单**
 - 支持**内容加密**（页面、局部）
 - 支持**友情链接**的页面模板
-- 支持基于 [algolia](https://www.algolia.com/)、[Fuse.js](https://fusejs.io/)、 **CSE** 或 [PostChat](https://ai.tianli0.top/?InviteID=IRE1S88Z) 的**搜索**
+- 支持基于 [algolia](https://www.algolia.com/)、[Fuse.js](https://fusejs.io/)、 **CSE** 或 [PostChat](https://ai.zhheo.com/console/login?InviteID=85041330) 的**搜索**
 - 支持基于 [Google](https://programmablesearchengine.google.com/) 的**自定义搜索引擎 (CSE)**
 - 支持 **Twemoji**
 - 支持**代码高亮**
diff --git a/hugo.toml b/hugo.toml
index 13f3d7c2..68c893f8 100644
--- a/hugo.toml
+++ b/hugo.toml
@@ -891,7 +891,7 @@ mainSections = []
   # FixIt 0.3.17 | NEW PostChat AI config
   # Based on your posts to build a knowledge base, support AI summary, AI search, and AI Chatbot.
   # Get PostChat Key from my invitation link, thanks for your support!
-  # https://ai.tianli0.top/?InviteID=IRE1S88Z
+  # https://ai.zhheo.com/console/login?InviteID=85041330
   [params.postChat]
     enable = false
     key = ""
@@ -918,9 +918,11 @@ mainSections = []
     userIcon = ""
     defaultChatQuestions = []
     defaultSearchQuestions = []
+    # FixIt 0.4.0 | NEW
+    hotWords = true
 
   # FixIt 0.3.17 | NEW Summary AI config
-  # See https://postchat.zhheo.com/summary.html
+  # See https://ai.zhheo.com/docs/summary.html
   [params.postSummary]
     enable = false
     # If you set `params.postChat.key`, you don't need to set `params.postSummary.key`
diff --git a/layouts/partials/init/index.html b/layouts/partials/init/index.html
index 03734292..2c3686c3 100644
--- a/layouts/partials/init/index.html
+++ b/layouts/partials/init/index.html
@@ -1,4 +1,4 @@
-{{- .Scratch.Set "version" "v0.3.21-a85a6655" -}}
+{{- .Scratch.Set "version" "v0.3.21-87ca54d0" -}}
 {{- .Scratch.Set "this" dict -}}
 
 {{- partial "init/detection-env.html" . -}}
diff --git a/layouts/partials/plugin/post-chat-ai.html b/layouts/partials/plugin/post-chat-ai.html
index ecfb0224..5b736ca0 100644
--- a/layouts/partials/plugin/post-chat-ai.html
+++ b/layouts/partials/plugin/post-chat-ai.html
@@ -1,13 +1,13 @@
 {{- /*
   PostChat AI service.
-  PostChat: https://postchat.zhheo.com/addCode.html
-  PostSummary: https://postchat.zhheo.com/summary.html
+  PostChat: https://ai.zhheo.com/docs/addCode.html
+  PostSummary: https://ai.zhheo.com/docs/summary.html
 */ -}}
 {{- $params := .Params | merge .Site.Params -}}
 {{- $chatConfig := $params.postChat -}}
 {{- $summaryConfig := $params.postSummary -}}
 {{- $key := $chatConfig.key | default $summaryConfig.key -}}
-{{- $sourcePrefix := "https://ai.tianli0.top/static/public/" -}}
+{{- $sourcePrefix := "https://ai.zhheo.com/static/public/" -}}
 {{- $jsMap := dict
   "chat" "postChatUser.min.js"
   "summary" "tianli_gpt.min.js"
@@ -26,7 +26,7 @@
 
   {{- /* PostSummary */ -}}
   {{- if $summaryEnable -}}
-    {{- $postChatCSS := "https://ai.tianli0.top/static/public/postChatUser_summary.min.css" -}}
+    {{- $postChatCSS := "https://ai.zhheo.com/static/public/postChatUser_summary.min.css" -}}
     {{- dict "Source" $postChatCSS "Fingerprint" $fingerprint | dict "Scratch" .Scratch "Data" | partial "scratch/style.html" -}}
     {{- $p := "tianliGPT" -}}
     {{- $postSummaryConfig := printf "let %v_postSelector='#content';" $p -}}
@@ -94,6 +94,7 @@
       "userIcon" $chatConfig.userIcon
       "defaultChatQuestions" $chatConfig.defaultChatQuestions
       "defaultSearchQuestions" $chatConfig.defaultSearchQuestions
+      "hotWords" $chatConfig.hotWords
     -}}
     {{- $configJS = add $configJS ($postChatConfig | jsonify | printf "var postChatConfig=%s") -}}
   {{- end -}}