JSON parse error: Unexpected character (‘}‘ (code 125)): was expecting double-quote to start field name; nested exception is com.fasterxml.jackson.core.JsonParseException: Unexpected character (‘}‘ (code 125)): was expecting double-quote to start field name
 at [Source: (PushbackInputStream); line: 5, column: 2]

对于这个问题，其实是前台自己不注意导致的，正确的操作应该是：