Hi krileon
Thank you for your advice.
Now it work fine, and now new one problem appear, when i have upgrade from free plan to Subs plan, and want to see my profile, it error and browser said:
"The connection was reset
The connection to the server was reset while the page was loading.
............
............
............"
when i look in administrator backend
CB Subs plugin-Subscription icon area and click a username to edit this subscription, then appear the same error.
"The connection was reset
The connection to the server was reset while the page was loading.
............
............
............"

can help me.
Thank