without selecting value previous value got populated on material ui select box code example

Example 1: material ui autocomple how make first option is selected as default

<Autocomplete
    id="id"
    options={Options}
    getOptionLabel={option => option.label}
    defaultValue={Options.find(v => v.label[0])} 
    renderInput={params => (
      <TextField {...params} label="label" variant="outlined" />
    )}
  />

Example 2: material ui select element inside class

shopForm: {
    textAlign : 'center',
'& input' :{
    width: '60%',
    color:'grey'
   },
'& label':{
  fontSize:'15px'
}