【update】1) eslint升级版本，以免造成版本不同，检测结果不同

（reviewed by songym）

Author: Yuki-Zhao

package.json

@@ -75,7 +75,7 @@
     "cross-env": "^6.0.3",
     "css-loader": "^3.2.0",
     "es3ify-loader": "^0.2.0",
-    "eslint": "^6.7.1",
+    "eslint": "^6.8.0",
     "eslint-loader": "^3.0.2",
     "eslint-plugin-import": "^2.18.2",
     "express": "^4.16.3",