fix eslint missing

Author: afc163

package.json

@@ -51,6 +51,7 @@
     "enzyme": "^3.3.0",
     "enzyme-adapter-react-16": "^1.14.0",
     "enzyme-to-json": "^3.4.0",
+    "eslint": "^6.8.0",
     "father": "^2.13.2",
     "np": "^6.2.0",
     "react": "^16.0.0",