Flutter FormatException: Unexpected character (at character 1)

报错信息如下:

Flutter FormatException: Unexpected character (at character 1)

具体代码如下:原因:localConfigData数据不是json数据,也可能数据是空的

c 复制代码
final localConfigData = PreferenceUtils().getString(Stringss.keyConfig) ?? "" ;
final data = json.decode(localConfigData);
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