|  | @@ -185,7 +185,8 @@ export default {
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				|  |  |      answerRecordList(newVal) {
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				|  |  |        let _this = this;
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				|  |  |        _this.recordList = newVal;
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				|  |  | -      _this.selectIndex = _this.recordList.length - 1;
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				|  |  | +      _this.selectIndex =
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				|  |  | +        _this.recordList.length > 0 ? _this.recordList.length - 1 : null;
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				|  |  |      }
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				|  |  |    },
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				|  |  |    // 生命周期 - 创建完成(可以访问当前this实例)
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