报错信息：

小程序版本：9.4.9 客户端版本：8.0.50 基础库版本：3.4.10 系统类型：IOS

undefined is not an object (evaluating \'e.model.indexOf\')

Pm@https://lib/WAServiceMainContext.js:1:776009

beforeSuccess@https://lib/WAServiceMainContext.js:1:776823

@https://lib/WAServiceMainContext.js:1:630238

Xu@https://lib/WAServiceMainContext.js:1:663683

td@https://lib/WAServiceMainContext.js:1:664828

@https://lib/WAServiceMainContext.js:1:665058

r@https://lib/WAServiceMainContext.js:1:650557

s@https://lib/WAServiceMainContext.js:1:126211

callAndRemove@https://lib/WAServiceMainContext.js:1:118619

invokeCallbackHandler@https://lib/WAServiceMainContext.js:1:124218

@https://lib/WAServiceMainContext.js:1:123047

invoke@https://lib/WAServiceMainContext.js:1:123561

invoke@https://lib/WAServiceMainContext.js:1:126350

@https://lib/WAServiceMainContext.js:1:665875

ud@https://lib/WAServiceMainContext.js:1:665931

Om@https://lib/WAServiceMainContext.js:1:776783

@https://lib/WAServiceMainContext.js:1:775188

Tm@https://lib/WAServiceMainContext.js:1:776345

i@https://usr//__plugin__/wxa16657d57059e0f0/appservice.js:1388:12945

i@https://usr//__plugin__/wxa16657d57059e0f0/appservice.js:1388:19730

@https://usr//__plugin__/wxa16657d57059e0f0/appservice.js:1403:18259

68@https://usr//__plugin__/wxa16657d57059e0f0/appservice.js:1403:18505

n@https://usr//__plugin__/wxa16657d57059e0f0/appservice.js:1385:136

20@https://usr//__plugin__/wxa16657d57059e0f0/appservice.js:1403:127

n@https://usr//__plugin__/wxa16657d57059e0f0/appservice.js:1385:136

@https://usr//__plugin__/wxa16657d57059e0f0/appservice.js:1385:1331

@https://usr//__plugin__/wxa16657d57059e0f0/appservice.js:1403:46

@https://lib/WASubContext.js:1:517573

runWith@https://lib/WASubContext.js:1:512985

T@https://lib/WASubContext.js:1:517557

@https://lib/WASubContext.js:1:515468

flushQueue@https://lib/WASubContext.js:1:515448

A@https://lib/WASubContext.js:1:518417

I@https://lib/WASubContext.js:1:519389

@https://lib/WASubContext.js:1:515468

flushQueue@https://lib/WASubContext.js:1:515448

@https://lib/WAServiceMainContext.js:1:2339920

n@https://lib/WAServiceMainContext.js:1:111416

$e@https://lib/WAServiceMainContext.js:1:111489

@https://lib/WAServiceMainContext.js:1:2339823

@https://lib/WAServiceMainContext.js:1:2335594

@https://lib/WAServiceMainContext.js:1:633556

emit@https://lib/WAServiceMainContext.js:1:639052

@https://lib/WAServiceMainContext.js:1:1144663

@https://lib/WAServiceMainContext.js:1:630238

@https://lib/WAServiceMainContext.js:1:621088

emit@https://lib/WAServiceMainContext.js:1:119113

emit@https://lib/WAServiceMainContext.js:1:118732

subscribeHandler@https://lib/WAServiceMainContext.js:1:124793