fix error script

package.json

@@ -5,7 +5,7 @@
   "description": "An out-of-box UI solution for enterprise applications",
   "scripts": {
     "analyze": "cross-env ANALYZE=1 umi build",
-    "build": "umi build && functions:build",
+    "build": "umi build && npm run functions:build",
     "docker-hub:build": "docker build  -f Dockerfile.hub -t  ant-design-pro ./",
     "docker-prod:build": "docker-compose -f ./docker/docker-compose.yml build",
     "docker-prod:dev": "docker-compose -f ./docker/docker-compose.yml up",
@@ -111,7 +111,6 @@
     "merge-umi-mock-data": "^1.0.4",
     "mockjs": "^1.0.1-beta3",
     "prettier": "^1.16.4",
-    "serverless-http": "^1.9.1",
     "slash2": "^2.0.0",
     "stylelint": "^9.10.1",
     "stylelint-config-css-modules": "^1.3.0",
@@ -123,7 +122,8 @@
     "tslint": "^5.12.1",
     "tslint-config-prettier": "^1.17.0",
     "tslint-react": "^3.6.0",
-    "umi-plugin-ga": "^1.1.3"
+    "umi-plugin-ga": "^1.1.3",
+    "serverless-http": "^1.9.1"
   },
   "optionalDependencies": {
     "puppeteer": "^1.12.1"