小程序IP6运行报错？

SyntaxError line:7966,column:13454,SyntaxError: Cannot declare a let variable twice: ‘t’. Stack:[native code] evaluateScriptFile@<https://lib/WAServiceMainContext.js:1:13454&gt;&gt;&gt;value@&lt;&lt;&lt;FLOATING LINK: https://lib/WAServiceMainContext.js:1:116405&gt;&gt;&gt;&lt;&lt;&lt;FLOATING LINK: https://lib/WAServiceMainContext.js:1:118124&gt;&gt;&gt;&lt;&lt;&lt;FLOATING LINK: https://lib/WAServiceMainContext.js:1:113989&gt;&gt;&gt;&lt;&lt;&lt;FLOATING LINK: https://lib/WAServiceMainContext.js:1:124349&gt;&gt;&gt;&lt;&lt;&lt;FLOATING LINK: https://lib/WAServiceMainContext.js:1:123333&gt;&gt;&gt;&lt;&lt;&lt;FLOATING LINK: https://lib/WAServiceMainContext.js:1:123297&gt;&gt;&gt;&lt;&lt;&lt;FLOATING LINK: https://lib/WAServiceMainContext.js:1:124349&gt;&gt;&gt;m@&lt;&lt;&lt;FLOATING LINK: https://lib/WAServiceMainContext.js:1:1960>