pre xml:space="preserve"><span class="keyword">public</span> <span class="keyword">static</span> T <span class="identifier">TryCommonApi</span>&lt;T&gt;(
	<span class="identifier">Func</span>&lt;<span class="identifier">string</span>, T&gt; <span class="parameter">fun</span>,
	<span class="identifier">string</span> <span class="parameter">accessTokenOrAppId</span> = <span class="keyword">null</span>,
	<span class="identifier">bool</span> <span class="parameter">retryIfFaild</span> = <span class="keyword">tr