image reverted to original size after resized

hi, i got a strange issue with component: i got 2 types, image and icon

domComponents.addType('icon', {
  model: imageModel.extend({
    defaults: Object.assign({}, imageModel.prototype.defaults, {
      traits: [{
        type: 'text',
        label: 'icon URL',
        name: 'src',
        changeProp: 1
      }],
      removable: false,
      draggable: false,
      droppable: false,
      badgable: false,
      stylable: false,
      highlightable: true,
      copyable: false,
      resizable: false,
      editable: true,
      selectable: true
    })
  }, {
    isComponent: function(el) {
      if (el.getAttribute !== undefined && el.getAttribute('deletable') == '0' && el.tagName == 'IMG') {
        return {
          type: 'icon'
        };
      }
    }
  }),
  view: imageView.extend({
    initialize: function() {
      var defaultClickEventHandler = this.events.click || function() {};
      var defaultDblClickEventHandler = this.events.dblclick || function() {};
      defaultView.prototype.initialize.apply(this, arguments);
      this.events.dblclick = function() {
        console.log('dblclick');
      };
    }
  }),
  onValueChange: function() {
    this.target.set('src', this.model.get('value'));
  }
});

domComponents.addType('image', {
  model: imageModel.extend({
    defaults: Object.assign({}, imageModel.prototype.defaults, {
      traits: [{
        type: 'text',
        label: 'Image URL',
        name: 'src',
        changeProp: 1
      }]
    })
  }, {
    isComponent: function(el) {
      if (el.tagName == 'IMG') {
        return {
          type: 'image'
        };
      }
    }
  }),
  view: imageView,
  onValueChange: function() {
    this.target.set('src', this.model.get('value'));
  }
});

the issue is when i first drag and drop the image component, i'm able to resize and save it, but when i load the template again, i'm not able to resize the image again. i can adjust the image size but after couple of second it will be reverted. i noticed there are component:update and component:styleUpdate event fired. is this have anything to do with the angularjs digest cycle? i'm using with angular 1.3