在写head前没有问题 跟着写到directive 开始报错

Error: [$compile:tplrt] http://errors.angularjs.org/1.6.2/$compile/tplrt?p0=appHead&p1=
    at http://localhost:8002/vendor/angular/angular.min.js:6:425
    at X (http://localhost:8002/vendor/angular/angular.min.js:72:486)
    at Na (http://localhost:8002/vendor/angular/angular.min.js:61:176)
    at ba (http://localhost:8002/vendor/angular/angular.min.js:59:87)
    at Object.<anonymous> (http://localhost:8002/vendor/angular-ui-router/release/angular-ui-router.min.js:7:24692)
    at http://localhost:8002/vendor/angular/angular.min.js:16:71
    at ta (http://localhost:8002/vendor/angular/angular.min.js:84:35)
    at n (http://localhost:8002/vendor/angular/angular.min.js:69:226)
    at g (http://localhost:8002/vendor/angular/angular.min.js:60:496)
    at http://localhost:8002/vendor/angular/angular.min.js:60:119 <div ui-view="" class="ng-scope">
(anonymous) @ angular.min.js:122

用的angular是1.6的