webpack+vue匹配的报这个模板错误是怎么回事?

package.json

"vue": "^2.0.1", "vue-cli": "^2.4.0", "vue-html-loader": "^1.2.3", "vue-loader": "^9.5.1", "vue-style-loader": "^1.0.0",

vue.common.js:2569 [Vue warn]: Failed to mount component: template or render function not defined