修复若干问题

.babelrc

@@ -0,0 +1,6 @@
+{
+  "presets": ["es2015"],
+  // Remove the line below to enable ES2015 support.
+//   "only": "gulpfile.babel.js",
+  "retainLines": true
+}

package.json

@@ -16,21 +16,24 @@
     "babel-preset-env": "^1.2.2",
     "babel-preset-es2015": "^6.24.0",
     "connect-livereload": "^0.6.1",
+    "cookie-parser": "^1.4.5",
     "del": "^2.2.2",
+    "express": "^4.17.1",
     "gulp": "^3.9.1",
     "gulp-concat": "^2.6.1",
     "gulp-if": "^2.0.2",
-    "gulp-live-server": "0.0.30",
+    "gulp-live-server": "0.0.31",
     "gulp-livereload": "^3.8.1",
-    "gulp-plumber": "^1.1.0",
-    "gulp-rename": "^1.2.2",
+    "gulp-plumber": "^1.2.1",
+    "gulp-rename": "^1.4.0",
     "gulp-sequence": "^0.4.6",
-    "gulp-uglify": "^2.1.0",
+    "gulp-uglify": "^2.1.2",
     "gulp-util": "^3.0.8",
-    "require-dir": "^0.3.1",
+    "morgan": "^1.10.0",
+    "require-dir": "^0.3.2",
     "vinyl-named": "^1.1.0",
-    "webpack": "^2.2.1",
+    "webpack": "^2.7.0",
     "webpack-stream": "^3.2.0",
-    "yargs": "^7.0.2"
+    "yargs": "^7.1.1"
   }
 }