微信小程序报错request was denied due to api concurrency control该如何解决

如题，微信小程序端，流量大时报限流错误。请问是被哪里限流的，该如何提高限流值？

<Error: Request was denied due to api flow control.> construct@[native code] construct@[native code] t@https://usr//appservice.app.js:47:147092 construct@[native code] @https://usr//appservice.app.js:47:149901 n@https://usr//appservice.app.js:47:161429 @https://usr//appservice.app.js:47:222587 q@https://lib/WASubContext.js:1:71221 @https://lib/WASubContext.js:1:71443 C@https://lib/WASubContext.js:1:40920 @https://lib/WASubContext.js:1:54742 I@https://lib/WASubContext.js:1:54511 @https://lib/WASubContext.js:1:54549 f@https://lib/WASubContext.js:1:164358 @https://lib/WASubContext.js:1:126853 @https://lib/WASubContext.js:1:159690 p@https://lib/WAServiceMainContext.js:1:162981 @https://lib/WAServiceMainContext.js:1:150930 _onNativeTimer@ global code@