小程序闪退是怎么回事？

APP-SERVICE-SDK:setStorageSync:fail timeout

Error: APP-SERVICE-SDK:setStorageSync:fail timeout

at Object.dk [as setStorageSync] (eval at n.call.document (http://127.0.0.1:37502/remote-debug/runtime.js?devtools_ignore=true:1:15449), <anonymous>:2:1891034)

at e.<computed> (eval at n.call.document (http://127.0.0.1:37502/remote-debug/runtime.js?devtools_ignore=true:1:15449), <anonymous>:2:1894860)

at Object.Bk.<computed> (eval at n.call.document (http://127.0.0.1:37502/remote-debug/runtime.js?devtools_ignore=true:1:15449), <anonymous>:2:1895417)

at Object.l [as setStorageSync] (eval at n.call.document (http://127.0.0.1:37502/remote-debug/runtime.js?devtools_ignore=true:1:15449), <anonymous>:2:2931045)

at Object.eval (eval at n.call.document (http://127.0.0.1:37502/remote-debug/runtime.js?devtools_ignore=true:1:15449), <anonymous>:2:1452139)

at Object.eval (eval at n.call.document (http://127.0.0.1:37502/remote-debug/runtime.js?devtools_ignore=true:1:15449), <anonymous>:2:3199090)

at Object.eval (eval at n.call.document (http://127.0.0.1:37502/remote-debug/runtime.js?devtools_ignore=true:1:15449), <anonymous>:2:3196623)

at < at wx.setStorageSync>

at Object.eval (eval at n.call.document (http://127.0.0.1:37502/remote-debug/runtime.js?devtools_ignore=true:1:15449), <anonymous>:2:137553)

at xe.onLaunch (weapp:///app.js:9:8)