update field name

src/main/scala/com.gmei.up/Main.scala

@@ -48,7 +48,7 @@ object Main {
 
     stream.map { user =>
       println(user.deviceId)
-      user.second_demands.foreach(println)
+      user.secondDemands.foreach(println)
       println("########################")
     }
 

src/main/scala/com.gmei.up/utils/User.scala

@@ -3,9 +3,9 @@ package com.gmei.up.utils
 case class UserInfo(
     deviceId: String,
     action: String,
-    log_time: Double,
-    event_cn: String,
-    second_demands: Array[String],
+    logTime: Double,
+    eventCn: String,
+    secondDemands: Array[String],
     projects: Array[String]
 )