WINDOWS for ionic+android development, error installing android platform support

WINDOWS for ionic+android development

error installing android platform support

error message is as follows: 

D:\projects\MyIonicProject>ionic cordova platform add android
> cordova platform add android --save
Using cordova-fetch for cordova-android@~7.0.0

(node:24964) UnhandledPromiseRejectionWarning: Unhandled promise rejection (rejection id: 1): CordovaError: Failed to fetch platform cordova-android@~7.0.0
Probably this is either a connection problem, or platform spec is incorrect.
Check your connection and platform name/version/URL.
Error: cmd: Command failed with exit code 1 Error output:
npm ERR! code E400
npm ERR! 400 Bad Request: cordova-android@~7.0.0

npm ERR! A complete log of this run can be found in:
npm ERR!     D:\nodejs\node_cache\_logs\2018-03-30T03_48_58_666Z-debug.log
(node:24964) [DEP0018] DeprecationWarning: Unhandled promise rejections are deprecated. In the future, promise rejections that are not handled will terminate the Node.js process with a non-zero exit code.
Android ionic
Feb.28,2021

how should the proxy be set up in this case?

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b30a1c-e27c.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b30a1c-e27c.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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