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diff --git a/SD/9_课后作业8/第8次课后作业_模板.qmd b/SD/_9_课后作业8/第8次课后作业_模板.qmd
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index 9164848..69eb870 100644
--- a/SD/9_课后作业8/第8次课后作业_模板.qmd
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@@ -146,8 +146,7 @@ testdf |>
   pull(gp)
 
 
-
-} # End of isrendering
+}
 
 ```
 
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rename from SD/9_课后作业9/_extensions
rename to SD/_9_课后作业9/_extensions
diff --git a/SD/9_课后作业9/index.qmd b/SD/_9_课后作业9/index.qmd
similarity index 100%
rename from SD/9_课后作业9/index.qmd
rename to SD/_9_课后作业9/index.qmd
diff --git a/SD/9_课后作业9/第9次课后作业_模板.qmd b/SD/_9_课后作业9/第9次课后作业_模板.qmd
similarity index 100%
rename from SD/9_课后作业9/第9次课后作业_模板.qmd
rename to SD/_9_课后作业9/第9次课后作业_模板.qmd
diff --git a/_quarto.yml b/_quarto.yml
index 2128d78..d9b729a 100644
--- a/_quarto.yml
+++ b/_quarto.yml
@@ -8,6 +8,7 @@ project:
     - "!*ignored.qmd"
     - "!*ignored/"
     - "!coding/"
+    - "!SD/_*/"
 
 title: "区域水环境污染数据分析实践"
 lang: zh