diff --git a/lectures/_config.yml b/lectures/_config.yml
index d49f6123..29861625 100644
--- a/lectures/_config.yml
+++ b/lectures/_config.yml
@@ -25,7 +25,7 @@ bibtex_bibfiles:
    - _static/quant-econ.bib
 
 html:
-  baseurl: https://python.quantecon-zh-cn.org/
+  baseurl: https://quantecon.github.io/lecture-python.zh-cn/
 
 latex:
    latex_documents:
diff --git a/lectures/career.md b/lectures/career.md
index 54b621bd..d424341e 100644
--- a/lectures/career.md
+++ b/lectures/career.md
@@ -8,7 +8,7 @@ kernelspec:
   language: python
   name: python3
 translation:
-  title: 工作搜寻 VI：职业选择建模
+  title: 工作搜寻 VII：职业选择建模
   headings:
     Overview: 概述
     Overview::Model Features: 模型特点
@@ -27,7 +27,7 @@ translation:
 </div>
 ```
 
-# 工作搜寻 VI：职业选择建模
+# 工作搜寻 VII：职业选择建模
 
 ```{index} single: Modeling; Career Choice
 ```
diff --git a/lectures/jv.md b/lectures/jv.md
index fdd25aae..dea09270 100644
--- a/lectures/jv.md
+++ b/lectures/jv.md
@@ -8,7 +8,7 @@ kernelspec:
   language: python
   name: python3
 translation:
-  title: 工作搜寻 VII：在职搜索
+  title: 工作搜寻 VIII：在职搜索
   headings:
     Overview: 概述
     Overview::Model Features: 模型特点
@@ -29,7 +29,7 @@ translation:
 </div>
 ```
 
-# {index}`工作搜寻 VII：在职搜索 <single: Job Search VII: On-the-Job Search>`
+# {index}`工作搜寻 VIII：在职搜索 <single: Job Search VIII: On-the-Job Search>`
 
 ```{index} single: Models; On-the-Job Search
 ```
diff --git a/lectures/mccall_persist_trans.md b/lectures/mccall_persist_trans.md
index 46c0ed8b..eceba568 100644
--- a/lectures/mccall_persist_trans.md
+++ b/lectures/mccall_persist_trans.md
@@ -10,7 +10,7 @@ kernelspec:
   language: python
   name: python3
 translation:
-  title: 工作搜寻 V：持续性与暂时性工资冲击
+  title: 工作搜寻 VI：持续性与暂时性工资冲击
   headings:
     Overview: 概述
     The model: 模型
@@ -28,7 +28,7 @@ translation:
 </div>
 ```
 
-# 工作搜寻 V：持续性与暂时性工资冲击
+# 工作搜寻 VI：持续性与暂时性工资冲击
 
 ```{include} _admonition/gpu.md
 ```
diff --git a/lectures/mccall_q.md b/lectures/mccall_q.md
index a1c75a65..141cdede 100644
--- a/lectures/mccall_q.md
+++ b/lectures/mccall_q.md
@@ -10,7 +10,7 @@ kernelspec:
   language: python
   name: python3
 translation:
-  title: 工作搜寻 IX：McCall劳动者的Q学习
+  title: 工作搜寻 X：McCall劳动者的Q学习
   headings:
     Overview: 概述
     Review of McCall model: McCall 模型回顾
@@ -21,7 +21,7 @@ translation:
     Possible extensions: 可能的扩展方向
 ---
 
-# 工作搜寻 IX：McCall劳动者的Q学习
+# 工作搜寻 X：McCall劳动者的Q学习
 
 ## 概述
 
diff --git a/lectures/odu.md b/lectures/odu.md
index 600a3f95..f087c606 100644
--- a/lectures/odu.md
+++ b/lectures/odu.md
@@ -8,7 +8,7 @@ kernelspec:
   language: python
   name: python3
 translation:
-  title: '工作搜寻 VIII: 带学习的搜索'
+  title: '工作搜寻 IX: 带学习的搜索'
   headings:
     Overview: 概述
     Overview::Model Features: 模型特点
@@ -43,7 +43,7 @@ translation:
 </div>
 ```
 
-# 工作搜寻 VIII: 带学习的搜索
+# 工作搜寻 IX: 带学习的搜索
 
 ```{contents} 目录
 :depth: 2