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DHCP Server iniciation failed

When I make a dhcp server,I use a structure called  CI_SERVICE_DHCPS ,but it always shows failed. I hope someone who ever made it can help me find reason. My board is EVMK2E,ccs5.0. My codes are as follows:

This picture is my board's ip.

this picture is static IP configuration.

this picture is dhcp server configuration:

Please tell me possiable reasons that caused to fail.Thank you!