why I recieve wrong OID when I define a custom monitor

why I recieve wrong OID when I define a custom monitor

help:
I define a custom monitor, the snmpOid is .1.3.6.1.4.1.188.0.0.3
but I find openmanager send oid .1.3.6.1.4.1.188.0.0.3.0 to my application.
not the oid .1.3.6.1.4.1.188.0.0.3
I am confused,
thanks!




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