diff --git a/.github/dependabot.yml b/.github/dependabot.yml
index 7809c2a9..04804108 100644
--- a/.github/dependabot.yml
+++ b/.github/dependabot.yml
@@ -11,3 +11,16 @@ updates:
       prefix: ⬆️
     schedule:
       interval: weekly
+
+  - package-ecosystem: "conda"
+    directory: "/"
+    commit-message:
+      prefix: ⬆️
+    schedule:
+      interval: weekly
+    ignore:
+      - dependency-name: "jupyter-book"
+        versions: [">=2.0"]
+      - dependency-name: "python"
+        # Python version should be constrained by the anaconda distribution version
+        versions: [">0"]
diff --git a/.github/workflows/cache.yml b/.github/workflows/cache.yml
index 16fffa11..3f11f73e 100644
--- a/.github/workflows/cache.yml
+++ b/.github/workflows/cache.yml
@@ -39,7 +39,7 @@ jobs:
       - name: Build HTML
         shell: bash -l {0}
         run: |
-          jb build lectures --path-output ./ --keep-going
+          jb build lectures --path-output ./ -n -W --keep-going
       - name: Upload Execution Reports (HTML)
         uses: actions/upload-artifact@v4
         if: failure()
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index a5d5d7b0..0fa79d46 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -73,7 +73,7 @@ jobs:
       - name: Build HTML
         shell: bash -l {0}
         run: |
-          jb build lectures --path-output ./ --keep-going
+          jb build lectures --path-output ./ -n -W --keep-going
       - name: Upload Execution Reports (HTML)
         uses: actions/upload-artifact@v4
         if: failure()
diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 480de601..8b4a9de6 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -73,7 +73,7 @@ jobs:
       - name: Build HTML
         shell: bash -l {0}
         run: |
-          jb build lectures --path-output ./
+          jb build lectures --path-output ./ -n -W --keep-going
       # Create HTML archive for release assets
       - name: Create HTML archive
         shell: bash -l {0}
diff --git a/lectures/_static/lecture_specific/wald_friedman_2/wald_dec_rule.png b/lectures/_static/lecture_specific/wald_friedman_2/wald_dec_rule.png
new file mode 100644
index 00000000..6664279d
Binary files /dev/null and b/lectures/_static/lecture_specific/wald_friedman_2/wald_dec_rule.png differ
diff --git a/lectures/cass_fiscal.md b/lectures/cass_fiscal.md
index c347b6c9..b00f8e0f 100644
--- a/lectures/cass_fiscal.md
+++ b/lectures/cass_fiscal.md
@@ -287,7 +287,7 @@ mp.pretty = True
 我们使用`mpmath`库在射击算法中执行高精度运算，以防止由于数值不稳定而导致解发散。
 
 ```{note}
-在下面的函数中，我们包含了一些处理增长成分的例程（将在{doc}`Exogenous growth` 一节中进一步讨论）。
+在下面的函数中，我们包含了一些处理增长成分的例程，这部分内容将在{ref}`growth_model`一节中进一步讨论。
 
 我们在这里提前加入这些代码是为了避免代码重复。
 ```
diff --git a/lectures/mix_model.md b/lectures/mix_model.md
index feeb623e..85f0ab67 100644
--- a/lectures/mix_model.md
+++ b/lectures/mix_model.md
@@ -117,6 +117,7 @@ $$
 
 import matplotlib.pyplot as plt
 FONTPATH = "fonts/SourceHanSerifSC-SemiBold.otf"
+import matplotlib as mpl
 mpl.font_manager.fontManager.addfont(FONTPATH)
 plt.rcParams['font.family'] = ['Source Han Serif SC']