angularjs factory return problem null undefined

========== work =========

  factory.getInit = function(type,lable){
    var t=null;
    angular.forEach(factory.models[type], function(value, key) {
        if(value.lable == lable){
          t=value.init;
          console.log("getInit-value.init: "+t);
        }
    });
    return t;
  };

========== doesn't work =========


  factory.getInit = function(type,lable){
    angular.forEach(factory.models[type], function(value, key) {
        if(value.lable == lable){
          console.log("getInit-value.init: "+value.init);
          return value.init;
        }
    });
  };