diff --git a/.github/workflows/build-examples-gh-pages-on-push.yml b/.github/workflows/build-examples-gh-pages-on-push.yml
index 45423d1e..dbc66ec8 100644
--- a/.github/workflows/build-examples-gh-pages-on-push.yml
+++ b/.github/workflows/build-examples-gh-pages-on-push.yml
@@ -69,11 +69,11 @@ jobs:
           cd $GITHUB_WORKSPACE/examples/${{matrix.build-dir}}
 
           diff sdkconfig.defaults ${{matrix.boards}}
-          diff sdkconfig.defaults ${{matrix.boards}} | grep '^>' | sed 's/^>//' >> sdkconfig.defaults
+          diff sdkconfig.defaults sdkconfig.ci.box-3 | grep '^>' | sed 's/^> *//' | grep -v '^#' | sed 's/.*/\n&/' >> sdkconfig.defaults
 
           if [[ ${{matrix.build-dir}} == chatgpt_demo ]]; then
             cd factory_nvs
-            diff sdkconfig.defaults ${{matrix.boards}} | grep '^>' | sed 's/^>//' >> sdkconfig.defaults
+            diff sdkconfig.defaults sdkconfig.ci.box-3 | grep '^>' | sed 's/^> *//' | grep -v '^#' | sed 's/.*/\n&/' >> sdkconfig.defaults
             idf.py build
             cd ../
           fi
@@ -109,7 +109,7 @@ jobs:
           pip install "idf_build_apps<2.0"
           cd $GITHUB_WORKSPACE/examples/${{matrix.build-dir}}
 
-          diff sdkconfig.defaults ${{matrix.boards}} | grep '^>' | sed 's/^>//' >> sdkconfig.defaults
+          diff sdkconfig.defaults sdkconfig.ci.box-3 | grep '^>' | sed 's/^> *//' | grep -v '^#' | sed 's/.*/\n&/' >> sdkconfig.defaults
 
           idf.py set-target esp32s3 build
           cd build