fix CameraPolygon changed repeat bug

liuxiaolong

2019-07-15 286785d092a4c5bb418e3a11e5b3b841d0e71e9e

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photoUrl: "http://192.168.1.182:6333/submit" 
videopersons: "http://192.168.1.182:9200/videopersons/perVideoPicture" 
personaction: "http://192.168.1.182:9200/personaction/perVideoAction"