错误：$ injector：modulerr模块角度错误

var myapp = angular.module('myapp', []);

    myapp.config(function($interpolateProvider) {
      $interpolateProvider
        .startSymbol('{[')
        .endSymbol(']}');
    });

    myapp.controller('CanvasControls', function($scope) {
        function1($scope);
        function2($scope);
     });

    This code integrate with rails and working in development fine but in production mode it gives below errors.
var myapp = angular.module('myapp', []);

    m