Formal:
* 早安,我的爱人 (zǎo ān, wǒ de ài rén): This is a very polite and formal way to say "good morning, my love."
Informal:
* 早上好,我的宝贝 (zǎo shang hǎo, wǒ de bǎo bèi): This is a more casual and affectionate way to say "good morning, my love."
* 早安,亲爱的 (zǎo ān, qīn ài de): This is a sweet and affectionate way to say "good morning, my love."
More intimate:
* 宝贝,早安 (bǎo bèi, zǎo ān): This is a very intimate and loving way to say "good morning, my love."
* 我的爱人,早上好 (wǒ de ài rén, zǎo shang hǎo): This is another intimate and loving way to say "good morning, my love."
The best way to say "good morning, my love" in Chinese depends on your relationship with the person you are talking to. If you are unsure which phrase to use, it is always better to err on the side of formality.