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判断优化,以防万一
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@ -250,7 +250,7 @@ export class CityPicker extends React.Component<
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if (db[cityCode]) {
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state.cityCode = cityCode;
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state.city = db[cityCode];
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} else if (~db.city[provinceCode].indexOf(code)) {
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} else if (~db.city[provinceCode]?.indexOf(code)) {
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state.cityCode = code;
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state.city = db[code];
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}
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