Bug Report: No sound notification for my google home

A correct behavior for the reminder:
1. Setting Reminder by voice command:
My script:

me: Hey Google, set my reminder.
Google: ...(omit)
me: test my reminder.
Google: ...(omit)
me: in 4 minutes
Google: ...(omit)

2.The response for the test reminder:

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3. Setting Reminder by using calendar in my browser:


4. The response for the test reminder:
No Sound Notification for my google home???


Does anyone knows what's going on???
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