diff --git a/tutorial-optimize/build/bundle.js b/tutorial-optimize/build/bundle.js
deleted file mode 100644
index 28ab09e..0000000
--- a/tutorial-optimize/build/bundle.js
+++ /dev/null
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diff --git a/tutorial-optimize/build/bundle.js.map b/tutorial-optimize/build/bundle.js.map
deleted file mode 100644
index 7280604..0000000
--- a/tutorial-optimize/build/bundle.js.map
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diff --git a/tutorial-optimize/build/index.html b/tutorial-optimize/dist/index.html
similarity index 62%
rename from tutorial-optimize/build/index.html
rename to tutorial-optimize/dist/index.html
index 1248073..825b114 100644
--- a/tutorial-optimize/build/index.html
+++ b/tutorial-optimize/dist/index.html
@@ -2,8 +2,8 @@
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