Api post and auth not work - please help 🙏

Ionic Native
1

i have really problem that confuse me
please any body that solve post http data to jwt guide me

i search all topic that about it but i can’t solve

i need a login code and token header check

info : 
   @ionic/cli-utils  : 1.19.2
    ionic (Ionic CLI) : 3.20.0

global packages:
    cordova (Cordova CLI) : not installed

local packages:
    @ionic/app-scripts : 3.1.9
    Cordova Platforms  : android 7.0.0
    Ionic Framework    : ionic-angular 3.9.2

System:
    Node : v8.11.2
    npm  : 5.6.0
    OS   : Windows 10
Environment Variables : ANDROID_HOME : not set
Misc : backend : pro

server side script : wordpress - jwt plugin

Thanks a milion :pray: