Excel Addin ContextMenu icon not show up

Question

I am trying to implement Context menu for Excel.

Here is my test manifest.xml

<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
<OfficeApp xmlns="http://schemas.microsoft.com/office/appforoffice/1.1" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:bt="http://schemas.microsoft.com/office/officeappbasictypes/1.0" xmlns:ov="http://schemas.microsoft.com/office/taskpaneappversionoverrides" xsi:type="TaskPaneApp">
  <Id>2f6f8f81-0fe3-42e4-9c4e-c93a53ea5894</Id>
  <Version>1.0.0.0</Version>
  <ProviderName>Contoso</ProviderName>
  <DefaultLocale>en-US</DefaultLocale>
  <DisplayName DefaultValue="test"/>
  <Description DefaultValue="A template to get started."/>
  <IconUrl DefaultValue="https://localhost:3000/assets/icon-32.png"/>
  <HighResolutionIconUrl DefaultValue="https://localhost:3000/assets/icon-64.png"/>
  <SupportUrl DefaultValue="https://www.contoso.com/help"/>
  <AppDomains>
    <AppDomain>https://www.contoso.com</AppDomain>
  </AppDomains>
  <Hosts>
    <Host Name="Workbook"/>
  </Hosts>
  <DefaultSettings>
    <SourceLocation DefaultValue="https://localhost:3000/taskpane.html"/>
  </DefaultSettings>
  <Permissions>ReadWriteDocument</Permissions>
  <VersionOverrides xmlns="http://schemas.microsoft.com/office/taskpaneappversionoverrides" xsi:type="VersionOverridesV1_0">
    <Hosts>
      <Host xsi:type="Workbook">
        <DesktopFormFactor>
          <GetStarted>
            <Title resid="GetStarted.Title"/>
            <Description resid="GetStarted.Description"/>
            <LearnMoreUrl resid="GetStarted.LearnMoreUrl"/>
          </GetStarted>
          <FunctionFile resid="Commands.Url"/>
          <ExtensionPoint xsi:type="PrimaryCommandSurface">
            <OfficeTab id="TabHome">
              <Group id="CommandsGroup">
                <Label resid="CommandsGroup.Label"/>
                <Icon>
                  <bt:Image size="16" resid="Icon.16x16"/>
                  <bt:Image size="32" resid="Icon.32x32"/>
                  <bt:Image size="80" resid="Icon.80x80"/>
                </Icon>
                <Control xsi:type="Button" id="TaskpaneButton">
                  <Label resid="TaskpaneButton.Label"/>
                  <Supertip>
                    <Title resid="TaskpaneButton.Label"/>
                    <Description resid="TaskpaneButton.Tooltip"/>
                  </Supertip>
                  <Icon>
                    <bt:Image size="16" resid="Icon.16x16"/>
                    <bt:Image size="32" resid="Icon.32x32"/>
                    <bt:Image size="80" resid="Icon.80x80"/>
                  </Icon>
                  <Action xsi:type="ShowTaskpane">
                    <TaskpaneId>ButtonId1</TaskpaneId>
                    <SourceLocation resid="Taskpane.Url"/>
                  </Action>
                </Control>
              </Group>
            </OfficeTab>
          </ExtensionPoint>
          <ExtensionPoint xsi:type="ContextMenu">
            <OfficeMenu id="ContextMenuText">
              <Control xsi:type="Menu" id="myMenuID1">
                <Label resid="myMenuID1" />
                <Supertip>
                  <Title resid="myMenuID1" />
                  <Description resid="residToolTip" />
                </Supertip>
                <Icon>
                  <bt:Image size="16" resid="icon1_16x16" />
                  <bt:Image size="32" resid="icon1_32x32" />
                  <bt:Image size="80" resid="icon1_80x80" />
                </Icon>
                <Items>
                  <Item id="myMenuItemID">
                    <Label resid="myMenuID12"/>
                    <Supertip>
                      <Title resid="myMenuID12" />
                      <Description resid="residToolTip" />
                    </Supertip>
                    <Icon>
                      <bt:Image size="16" resid="icon1_16x16" />
                      <bt:Image size="32" resid="icon1_32x32" />
                      <bt:Image size="80" resid="icon1_80x80" />
                    </Icon>
                    <Action xsi:type="ShowTaskpane">
                      <SourceLocation resid="residUnitConverterUrl" />
                    </Action>
                  </Item>
                </Items>
              </Control>
            </OfficeMenu>
          </ExtensionPoint>
        </DesktopFormFactor>
      </Host>
    </Hosts>
    <Resources>
      <bt:Images>
        <bt:Image id="Icon.16x16" DefaultValue="https://localhost:3000/assets/icon-16.png"/>
        <bt:Image id="Icon.32x32" DefaultValue="https://localhost:3000/assets/icon-32.png"/>
        <bt:Image id="Icon.80x80" DefaultValue="https://localhost:3000/assets/icon-80.png"/>
        <bt:Image id="icon1_16x16" DefaultValue="https://fa000000110.resources.office.net/f7024bdc-7caf-4ca8-807d-2908f09640d6/1.0.0.1/en-us_web/apps/wikipedia/images/wikipedia_32x32.png"></bt:Image>
        <bt:Image id="icon1_32x32" DefaultValue="https://fa000000110.resources.office.net/f7024bdc-7caf-4ca8-807d-2908f09640d6/1.0.0.1/en-us_web/apps/wikipedia/images/wikipedia_32x32.png"></bt:Image>
        <bt:Image id="icon1_80x80" DefaultValue="https://fa000000110.resources.office.net/f7024bdc-7caf-4ca8-807d-2908f09640d6/1.0.0.1/en-us_web/apps/wikipedia/images/wikipedia_32x32.png"></bt:Image>
 
      </bt:Images>
      <bt:Urls>
        <bt:Url id="GetStarted.LearnMoreUrl" DefaultValue="https://go.microsoft.com/fwlink/?LinkId=276812"/>
        <bt:Url id="Commands.Url" DefaultValue="https://localhost:3000/commands.html"/>
        <bt:Url id="Taskpane.Url" DefaultValue="https://localhost:3000/taskpane.html"/>
        <bt:Url id="residDesktopFuncUrl" DefaultValue="https://fa000000110.resources.office.net/f7024bdc-7caf-4ca8-807d-2908f09640d6/1.0.0.1/en-us_web/apps/wikipedia/Wikipedia_dev.html"></bt:Url>
        <bt:Url id="residUnitConverterUrl" DefaultValue="https://fa000000110.resources.office.net/f7024bdc-7caf-4ca8-807d-2908f09640d6/1.0.0.1/en-us_web/apps/wikipedia/Wikipedia_dev.html"></bt:Url>
    
      </bt:Urls>
      <bt:ShortStrings>
        <bt:String id="GetStarted.Title" DefaultValue="Get started with your sample add-in!"/>
        <bt:String id="CommandsGroup.Label" DefaultValue="Commands Group"/>
        <bt:String id="TaskpaneButton.Label" DefaultValue="Show Taskpane"/>
        <bt:String id="myMenuID1" DefaultValue="Wikipedia Menu1"></bt:String>
        <bt:String id="myMenuID12" DefaultValue="Wikipedia Button1"></bt:String>
      </bt:ShortStrings>
      <bt:LongStrings>
        <bt:String id="GetStarted.Description" DefaultValue="1Your sample add-in loaded succesfully. Go to the HOME tab and click the 'Show Taskpane' button to get started."/>
        <bt:String id="TaskpaneButton.Tooltip" DefaultValue="1Click to Show a Taskpane"/>
        <bt:String id="residToolTip" DefaultValue="1Wikipedia Tooltip"></bt:String>
      </bt:LongStrings>
    </Resources>
  </VersionOverrides>
</OfficeApp>

After running, I load the manifest.xml from Office Excel online. only Text show up, no icon, and the description and title show in two lines. How to make it achieve like Copy Link which show icon and sub item only show title withou description.