diff --git a/gulpfile.js b/gulpfile.js
index 41a70e6..421d97c 100644
--- a/gulpfile.js
+++ b/gulpfile.js
@@ -15,12 +15,20 @@ const script = function () {
     .pipe(uglify())
     .pipe(concat('main.js'))
     .pipe(dest('dist/'))
-    .pipe(livereload({ start: true, port: 3001, reloadPage: 'public/index.html' }));
+    .pipe(livereload({ start: true, port: 3001, reloadPage: 'dist/index.html' }));
+};
+
+const copy = function () {
+  src('./public/index.html').pipe(dest('dist/'));
+  src('./public/bird.js').pipe(dest('dist/'));
+  src('./public/images/*').pipe(dest('dist/images'));
+  src('./public/libs/**/*').pipe(dest('dist/libs'));
+  src('./public/sounds/*').pipe(dest('dist/sounds'));
 };
 
 const watchTask = function () {
   livereload.listen();
-  watch('src/*', series(cleanTask, script));
+  watch('src/*', script);
 };
 
-exports.default = parallel(script, watchTask);
+exports.default = parallel(cleanTask, copy, script, watchTask);
diff --git a/package.json b/package.json
index a476b60..5691ff4 100644
--- a/package.json
+++ b/package.json
@@ -14,7 +14,6 @@
   "devDependencies": {
     "@babel/core": "^7.15.5",
     "@babel/preset-env": "^7.15.6",
-    "del": "^6.0.0",
     "gulp": "^4.0.2",
     "gulp-babel": "^8.0.0",
     "gulp-clean": "^0.4.0",
diff --git a/public/index.html b/public/index.html
index bc6463b..6871bff 100644
--- a/public/index.html
+++ b/public/index.html
@@ -1,17 +1,9 @@
 <!DOCTYPE html>
-<!--
-	NOTES:
-	1. All tokens are represented by '$' sign in the template.
-	2. You can write your code only wherever mentioned.
-	3. All occurrences of existing tokens will be replaced by their appropriate values.
-	4. Blank lines will be removed automatically.
-	5. Remove unnecessary comments before creating your template.
--->
 <html>
 <head>
 <meta charset="UTF-8">
 <meta name="authoring-tool" content="Adobe_Animate_CC">
-<title>bird</title>
+<title>鸟妈妈回家</title>
 <!-- write your code here -->
 <style>
   #animation_container, #_preload_div_ {
@@ -23,7 +15,7 @@
 </style>
 <script src="libs/1.0.0/createjs.min.js"></script>
 <script src="bird.js"></script>
-<script src="../dist/main.js"></script>
+<script src="main.js"></script>
 
 <!-- write your code here -->
 </head>
diff --git a/src/classess/back.js b/src/classes/back.js
similarity index 100%
rename from src/classess/back.js
rename to src/classes/back.js
diff --git a/src/classess/count.js b/src/classes/count.js
similarity index 100%
rename from src/classess/count.js
rename to src/classes/count.js
diff --git a/src/classess/end.js b/src/classes/end.js
similarity index 100%
rename from src/classess/end.js
rename to src/classes/end.js
diff --git a/src/classess/level.js b/src/classes/level.js
similarity index 100%
rename from src/classess/level.js
rename to src/classes/level.js
diff --git a/src/classess/main.js b/src/classes/main.js
similarity index 100%
rename from src/classess/main.js
rename to src/classes/main.js
diff --git a/src/classess/sound.js b/src/classes/sound.js
similarity index 100%
rename from src/classess/sound.js
rename to src/classes/sound.js
diff --git a/src/classess/time.js b/src/classes/time.js
similarity index 100%
rename from src/classess/time.js
rename to src/classes/time.js
