diff --git a/.github/workflows/build-docker.yml b/.github/workflows/build-docker.yml
index 71e1183c88..69d10c70d2 100644
--- a/.github/workflows/build-docker.yml
+++ b/.github/workflows/build-docker.yml
@@ -21,7 +21,7 @@ on:
 
 permissions:
   id-token: write
-  contents: read
+  contents: write
 
 jobs:
   build_docker_image:
@@ -32,6 +32,8 @@ jobs:
         working-directory: ./ci/docker
     steps:
     - uses: actions/checkout@v3
+      with:
+        token: ${{ secrets.CI_PAT}}
     - name: Configure AWS Credentials
       uses: aws-actions/configure-aws-credentials@v2
       with:
diff --git a/anaconda_projects/db/project_filebrowser.db b/anaconda_projects/db/project_filebrowser.db
new file mode 100644
index 0000000000..d7e75dbf5f
Binary files /dev/null and b/anaconda_projects/db/project_filebrowser.db differ
diff --git a/chapter_linear-networks/linear-regression-concise.md b/chapter_linear-networks/linear-regression-concise.md
index 7c52228f27..b69a03c3a2 100644
--- a/chapter_linear-networks/linear-regression-concise.md
+++ b/chapter_linear-networks/linear-regression-concise.md
@@ -63,7 +63,9 @@ features, labels = d2l.synthetic_data(true_w, true_b, 1000)
 ```{.python .input}
 def load_array(data_arrays, batch_size, is_train=True):  #@save
     """构造一个Gluon数据迭代器"""
+    #将特征和标签打包成TensorDataset
     dataset = gluon.data.ArrayDataset(*data_arrays)
+    #返回DataLoader,训练时打乱数据
     return gluon.data.DataLoader(dataset, batch_size, shuffle=is_train)
 ```