Parts of peaks isnt annotated. length of annotated object is short than peakfiles.

[teryyoung]

My Peaks had 22122 rows, after I run annotatePeak() , is returns AnnotatedObj whith 22105 rows.

Annotated peaks generated by ChIPseeker
22105/22112 peaks were annotated
Genomic Annotation Summary:
Feature Frequency
9 Promoter (<=1kb) 6.82650984
10 Promoter (1-2kb) 4.10314409
11 Promoter (2-3kb) 3.65980547
4 5' UTR 0.10404886
3 3' UTR 1.95430898
1 1st Exon 0.42524316
7 Other Exon 1.72811581
2 1st Intron 12.85229586
8 Other Intron 35.55756616
6 Downstream (<=300) 0.09500113
5 Distal Intergenic 32.69396064

how could I filter these peaks which isnt annotated?