fix CameraSnapshot tmp save addr,use relative addr

liuxiaolong

2019-07-11 f5bd3c09e7d38754e58d7d4c5a1260c22cdba29d

 config/dev.yaml

@@ -3,6 +3,7 @@
    jwtSecret: BASIC    
    jwtExpire: 24  
    url: http://127.0.0.1:8080
    imageUrl: http://192.168.1.182:6080
redis:
    host: 127.0.0.1
    port: 6379