diff --git a/.eustia.js b/.eustia.js
index 8f36103..7505f4f 100644
--- a/.eustia.js
+++ b/.eustia.js
@@ -1,16 +1,16 @@
-module.exports = {
-  eruda: {
-    library: 'https://raw.githubusercontent.com/liriliri/fione/master/',
-    files: 'src/**/*.js',
-    ignore: 'src/**/stringify.js',
-    output: 'src/lib/util.js',
-    exclude: ['createCfg'],
-    format: 'es'
-  },
-  test: {
-    files: ['test/*.js', 'test/*.html'],
-    exclude: ['js'],
-    namespace: 'util',
-    output: 'test/util.js'
-  }
-}
+module.exports = {
+  eruda: {
+    library: 'https://raw.githubusercontent.com/liriliri/fione/master/',
+    files: 'src/**/*.js',
+    ignore: 'src/**/stringify.js',
+    output: 'src/lib/util.js',
+    exclude: ['createCfg'],
+    format: 'es'
+  },
+  test: {
+    files: ['test/*.js', 'test/*.html'],
+    exclude: ['js'],
+    namespace: 'util',
+    output: 'test/util.js'
+  }
+}
diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 0000000..94f480d
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1 @@
+* text=auto eol=lf
\ No newline at end of file
diff --git a/prettier.config.js b/prettier.config.js
index c86edf5..cbed5f6 100644
--- a/prettier.config.js
+++ b/prettier.config.js
@@ -1,5 +1,6 @@
 module.exports = {
   singleQuote: true,
   tabWidth: 2,
-  semi: false
+  semi: false,
+  endOfLine: 'lf'
 }
diff --git a/src/DevTools/DevTools.js b/src/DevTools/DevTools.js
index 48261a8..772f932 100644
--- a/src/DevTools/DevTools.js
+++ b/src/DevTools/DevTools.js
@@ -280,14 +280,14 @@ export default class DevTools extends Emitter {
       return 0
     }
     $navBar.on('contextmenu', e => e.preventDefault())
-    const $body = $(document.body)
+    const $root = $(document.documentElement)
     if (isMobile()) {
       $navBar.on('touchstart', startListener).on('touchmove', moveListener)
-      $body.on('touchend', endListener)
+      $root.on('touchend', endListener)
     } else {
       $navBar.on('mousedown', startListener)
-      $body.on('mousemove', moveListener)
-      $body.on('mouseup', endListener)
+      $root.on('mousemove', moveListener)
+      $root.on('mouseup', endListener)
     }
   }
 }