diff --git a/.translate/state/about_py.md.yml b/.translate/state/about_py.md.yml
index 60e1e4e..76c1031 100644
--- a/.translate/state/about_py.md.yml
+++ b/.translate/state/about_py.md.yml
@@ -1,6 +1,6 @@
 source-sha: d35eb831da23a763f43d403e96f20d43529cae53
-synced-at: "2026-08-12"
+synced-at: "2026-08-18"
 model: claude-sonnet-5
 mode: UPDATE
 section-count: 3
-tool-version: 0.25.0
+tool-version: 0.26.0
diff --git a/.translate/state/autodiff.md.yml b/.translate/state/autodiff.md.yml
index 32920b0..53a3418 100644
--- a/.translate/state/autodiff.md.yml
+++ b/.translate/state/autodiff.md.yml
@@ -1,6 +1,6 @@
 source-sha: d35eb831da23a763f43d403e96f20d43529cae53
-synced-at: "2026-08-12"
+synced-at: "2026-08-18"
 model: claude-sonnet-5
 mode: UPDATE
 section-count: 5
-tool-version: 0.25.0
+tool-version: 0.26.0
diff --git a/.translate/state/numpy.md.yml b/.translate/state/numpy.md.yml
index 94dc5d4..054067f 100644
--- a/.translate/state/numpy.md.yml
+++ b/.translate/state/numpy.md.yml
@@ -1,6 +1,6 @@
 source-sha: d35eb831da23a763f43d403e96f20d43529cae53
-synced-at: "2026-08-12"
+synced-at: "2026-08-18"
 model: claude-sonnet-5
 mode: UPDATE
 section-count: 8
-tool-version: 0.25.0
+tool-version: 0.26.0
diff --git a/.translate/state/pandas.md.yml b/.translate/state/pandas.md.yml
index 322727c..53a3418 100644
--- a/.translate/state/pandas.md.yml
+++ b/.translate/state/pandas.md.yml
@@ -1,4 +1,4 @@
-source-sha: 55c87c9fdbdb522866c5b6bbdc65c073941d7f16
+source-sha: d35eb831da23a763f43d403e96f20d43529cae53
 synced-at: "2026-08-18"
 model: claude-sonnet-5
 mode: UPDATE
diff --git a/.translate/state/pandas_panel.md.yml b/.translate/state/pandas_panel.md.yml
index 4f87853..2069697 100644
--- a/.translate/state/pandas_panel.md.yml
+++ b/.translate/state/pandas_panel.md.yml
@@ -1,6 +1,6 @@
 source-sha: d35eb831da23a763f43d403e96f20d43529cae53
-synced-at: "2026-08-12"
+synced-at: "2026-08-18"
 model: claude-sonnet-5
 mode: UPDATE
 section-count: 6
-tool-version: 0.25.0
+tool-version: 0.26.0
diff --git a/.translate/state/polars.md.yml b/.translate/state/polars.md.yml
index 81b3af0..2069697 100644
--- a/.translate/state/polars.md.yml
+++ b/.translate/state/polars.md.yml
@@ -1,4 +1,4 @@
-source-sha: 55c87c9fdbdb522866c5b6bbdc65c073941d7f16
+source-sha: d35eb831da23a763f43d403e96f20d43529cae53
 synced-at: "2026-08-18"
 model: claude-sonnet-5
 mode: UPDATE
diff --git a/.translate/state/python_by_example.md.yml b/.translate/state/python_by_example.md.yml
index 4f87853..2069697 100644
--- a/.translate/state/python_by_example.md.yml
+++ b/.translate/state/python_by_example.md.yml
@@ -1,6 +1,6 @@
 source-sha: d35eb831da23a763f43d403e96f20d43529cae53
-synced-at: "2026-08-12"
+synced-at: "2026-08-18"
 model: claude-sonnet-5
 mode: UPDATE
 section-count: 6
-tool-version: 0.25.0
+tool-version: 0.26.0
diff --git a/lectures/polars.md b/lectures/polars.md
index ef40703..ac06137 100644
--- a/lectures/polars.md
+++ b/lectures/polars.md
@@ -357,7 +357,9 @@ Polars 最强大的特性之一是**惰性求值（lazy evaluation）**。
 
 ```{code-cell} ipython3
 # 重新加载数据集
-url = 'https://github.com/QuantEcon/data-lectures/raw/main/lectures/test_pwt.csv'
+url = ('https://raw.githubusercontent.com/QuantEcon/'
+       'lecture-python-programming/main/lectures/_static/'
+       'lecture_specific/pandas/data/test_pwt.csv')
 df_full = pl.read_csv(url)
 ```
 
@@ -432,7 +434,9 @@ import pandas as pd
 import time
 
 # 小数据集 -- Penn World Tables（约 8 行）
-url = 'https://github.com/QuantEcon/data-lectures/raw/main/lectures/test_pwt.csv'
+url = ('https://raw.githubusercontent.com/QuantEcon/'
+       'lecture-python-programming/main/lectures/_static/'
+       'lecture_specific/pandas/data/test_pwt.csv')
 small_pd = pd.read_csv(url)
 small_pl = pl.read_csv(url)
 ```