See "WIFI_Module_Password.mp4" video for the tools and methods of WIFI modification password,After the modification is complete, power on the device again.
Modify WIFI module password instruction description:
AT+WAKEY
  Function: Set/Query AP Wi-Fi secruity parameters. Setting is valid after reset.
  Format:
 Query Operation AT+WAKEY<CR> +ok=<auth,encry,key><CR><LF><CR><LF>
 Set Operation AT+WAKEY=< auth,encry,key><CR> +ok<CR><LF><CR><LF>
  Parameters:
 auth: include
  OPEN
  WPA2PSK
 Encry: include
  NONE: When auth=OPEN available;
  AES: When auth=WPA2PSK available;
 key: security code, ASCII code, 8~63 bytes.
