replace json to json-iterator

zhangmeng

2024-01-19 01dfd9dc8de7b19f9dfa4284722e01bbd5837801

 constants.go

@@ -12,4 +12,5 @@
   Topic_RealTime_Service  = "realtime-service"
   Topic_EventPush_Service = "eventpush-service"
   Topic_Chanmanage_Service = "chanmanage-service"
   Topic_VersionControl    = "version-control"
)