Cannot delete the trunk member

Hello,

There is no interface belonging to the eth-trunk 10 on our CE6850-HI. But an error was reported when deleting the eth-trunk. How do I solve the problem? Thank you!

[SW]undo int Eth-Trunk 10

Error: The parameter of trunk command is invalid, because the trunk has offline member interfaces.

[~SW]dis int Eth-Trunk 10

Eth-Trunk10 current state : DOWN (ifindex: 128)

Line protocol current state : DOWN

Description:

Switch Port, PVID : 1, TPID : 8100(Hex), Hash Arithmetic : profile default, The Maximum Frame Length is 9216

Internet protocol processing : disabled

IP Sending Frames' Format is PKTFMT_ETHNT_2, Hardware address is 08c0-212c-62d1

Current system time: 2020-02-21 06:55+08:00

Physical is ETH_TRUNK

Last 300 seconds input rate 0 bits/sec, 0 packets/sec

Last 300 seconds output rate 0 bits/sec, 0 packets/sec

Input: 0 packets,0 bytes

0 unicast,0 broadcast,0 multicast

0 errors,0 drops

Output:0 packets,0 bytes

0 unicast,0 broadcast,0 multicast

0 errors,0 drops

Last 300 seconds input utility rate: 0.00%

Last 300 seconds output utility rate: 0.00%

----------------------------------------------------------

PortName Status Weight

----------------------------------------------------------

----------------------------------------------------------

The Number of Ports in Trunk : 0

The Number of Up Ports in Trunk : 0