fixed url call

index.js

@@ -65,7 +65,7 @@ for (let deliveryModeIndex in config.deliveryModes) {
         const deliveryModeData = config.deliveryModes[ deliveryModeIndex ]
 
         let msgId = (
-            await axios.post(config.pager.url, Object.assign( !!deliveryModeData.preset
+            await axios.post(new URL(config.pager.url).origin + '/api/message/' + (!!deliveryModeData.preset ? 'preset' : 'advanced'), Object.assign( !!deliveryModeData.preset
                 ? { ...deliveryModeData.params } // backward compatibility
                 : { preset: deliveryModeData.preset }
             , { payload: origText }))