SSL error

I’m using this plugin on HTTPS dashboard.
but… shown some notices and blocked script.
so add or upload file modal won’t show.

ex. error message:

[blocked] The page at 'https://example.com/wp-admin/admin.php?page=jm_tc_images' was loaded over HTTPS, but ran insecure content from 'https://example.com/wp-content/plugins/jm-twitter-cards/inc/admin/meta-box/style.min.css?ver=3.9.1': this content should also be loaded over HTTPS.
 admin.php?page=jm_tc_images:1
[blocked] The page at 'https://example.com/wp-admin/admin.php?page=jm_tc_images' was loaded over HTTPS, but ran insecure content from 'https://example.com/wp-content/plugins/jm-twitter-cards/inc/admin/meta-box/js/jquery.datePicker.min.js?ver=3.9.1': this content should also be loaded over HTTPS.
 admin.php?page=jm_tc_images:1
[blocked] The page at 'https://example.com/wp-admin/admin.php?page=jm_tc_images' was loaded over HTTPS, but ran insecure content from 'https://example.com/wp-content/plugins/jm-twitter-cards/inc/admin/meta-box/js/jquery.timePicker.min.js?ver=3.9.1': this content should also be loaded over HTTPS.
 admin.php?page=jm_tc_images:1
[blocked] The page at 'https://example.com/wp-admin/admin.php?page=jm_tc_images' was loaded over HTTPS, but ran insecure content from 'https://example.com/wp-content/plugins/jm-twitter-cards/inc/admin/meta-box/js/cmb.min.js?ver=1.2.0': this content should also be loaded over HTTPS.
 admin.php?page=jm_tc_images:1
The page at 'https://example.com/wp-admin/admin.php?page=jm_tc_images' was loaded over HTTPS, but displayed insecure content from 'https://example.com/wp-content/uploads/2014/07/hogehoge.png': this content should also be loaded over HTTPS.
 admin.php?page=jm_tc_images:430
[blocked] The page at 'https://example.com/wp-admin/admin.php?page=jm_tc_images' was loaded over HTTPS, but ran insecure content from 'https://example.com/wp-content/plugins/jm-twitter-cards/inc/admin/meta-box/style.min.css?ver=3.9.1': this content should also be loaded over HTTPS.
 admin.php?page=jm_tc_images:1766
[blocked] The page at 'https://example.com/wp-admin/admin.php?page=jm_tc_images' was loaded over HTTPS, but ran insecure content from 'https://example.com/wp-content/plugins/jm-twitter-cards/inc/admin/meta-box/js/jquery.datePicker.min.js?ver=3.9.1': this content should also be loaded over HTTPS.
 admin.php?page=jm_tc_images:1
[blocked] The page at 'https://example.com/wp-admin/admin.php?page=jm_tc_images' was loaded over HTTPS, but ran insecure content from 'https://example.com/wp-content/plugins/jm-twitter-cards/inc/admin/meta-box/js/jquery.timePicker.min.js?ver=3.9.1': this content should also be loaded over HTTPS.
 admin.php?page=jm_tc_images:1
[blocked] The page at 'https://example.com/wp-admin/admin.php?page=jm_tc_images' was loaded over HTTPS, but ran insecure content from 'https://example.com/wp-content/plugins/jm-twitter-cards/inc/admin/meta-box/js/cmb.min.js?ver=1.2.0': this content should also be loaded over HTTPS.

Thanks.

https://www.ads-software.com/plugins/jm-twitter-cards/