bug，让模型输出json数组的时候，无法识别模型输出

让模型输出json数组的时候，无法识别模型输出

返回一个包含 5 个选题的 JSON 列表，必须使用纯文本输出，不要用代码工具展示

[15:08:34] [Web]  [SendBtn] before-attach | tag=BUTTON | aria-label=发送 | disabled=false | aria-disabled=false | visible=true | class=mdc-icon-button mat-mdc-icon-button mat-mdc-button-base send-button ng-tns-c2061357908-8 submit mat-unthemed | x=920 | y=486 | w=42 | h=42 | container-class=mat-mdc-tooltip-trigger send-button-container ng-tns-c2061357908-8 inner ng-star-inserted visible
[15:08:34] [Web]  [SendBtn] before-guard | tag=BUTTON | aria-label=发送 | disabled=false | aria-disabled=false | visible=true | class=mdc-icon-button mat-mdc-icon-button mat-mdc-button-base send-button ng-tns-c2061357908-8 submit mat-unthemed | x=920 | y=486 | w=42 | h=42 | container-class=mat-mdc-tooltip-trigger send-button-container ng-tns-c2061357908-8 inner ng-star-inserted visible
[15:08:34] [Web]  [SendBtn] click | tag=BUTTON | aria-label=发送 | disabled=false | aria-disabled=false | visible=true | class=mdc-icon-button mat-mdc-icon-button mat-mdc-button-base send-button ng-tns-c2061357908-8 submit mat-unthemed | x=920 | y=486 | w=42 | h=42 | container-class=mat-mdc-tooltip-trigger send-button-container ng-tns-c2061357908-8 inner ng-star-inserted visible
[15:08:35] [Web]  [End] 发送完整结果，长度: 0
[15:08:36] [Web]  [End] 发送完整结果，长度: 0
[15:08:36] [WebView] 导航完成: success=True, err=Unknown
[15:08:40] [Web]  [End] 发送完整结果，长度: 0
[15:08:55] [Web]  [End] 发送完整结果，长度: 0
[15:09:18] [Web]  [End] 发送完整结果，长度: 0
[15:09:18] [Web]  [ActionReady] baseline=0 current=3
[15:10:19] [完整回复] 字符数=0:
(空)
[15:13:10] [Web]  [End] 发送完整结果，长度: 0