diff --git a/agora_analytics/metadata.csv b/agora_analytics/metadata.csv
index 9dfd89620..78c934c80 100644
--- a/agora_analytics/metadata.csv
+++ b/agora_analytics/metadata.csv
@@ -1,23 +1,23 @@
 metric_name,metric_type,interval,unit_name,per_unit_name,description,orientation,integration,short_name,curated_metric
-agora.rtc.app_id.online_user,count,60,,,,0,agora_analytics,online_user,
-agora.rtc.app_id.online_channel,count,60,,,,0,agora_analytics,online_channel,
-agora.rtc.app_id.audio_freeze_rate,rate,60,,,,-1,agora_analytics,audio_freeze_rate,
-agora.rtc.app_id.video_freeze_rate,rate,60,,,,-1,agora_analytics,video_freeze_rate,
-agora.rtc.app_id.network_delay_rate,rate,60,,,,-1,agora_analytics,network_delay_rate,
-agora.rtc.app_id.join_attempt,count,60,,,,0,agora_analytics,join_attempt,
-agora.rtc.app_id.join_success_count,count,60,,,,0,agora_analytics,join_success_count,
-agora.rtc.app_id.join_success_rate,rate,60,,,,-1,agora_analytics,join_success_rate,
-agora.rtc.app_id.join_success_in_5s_rate,rate,60,,,,-1,agora_analytics,join_success_in_5s_rate,
-agora.chat.group.total,count,60,,,,0,agora_analytics,total_group,
-agora.chat.group.new,count,60,,,,0,agora_analytics,new_group,
-agora.chat.group.disbanded,count,60,,,,0,agora_analytics,disbanded_group,
-agora.chat.group.active,count,60,,,,0,agora_analytics,active_group,
-agora.chat.room.total,count,60,,,,0,agora_analytics,total_group,
-agora.chat.room.new,count,60,,,,0,agora_analytics,new_room,
-agora.chat.room.disbanded,count,60,,,,0,agora_analytics,disbanded_room,
-agora.chat.room.active,count,60,,,,0,agora_analytics,active_room,
-agora.chat.room.pcu,count,60,,,,0,agora_analytics,room_pcu,
-agora.chat.user.total,count,60,,,,0,agora_analytics,total_user,
-agora.chat.user.dnu,count,60,,,,0,agora_analytics,dnu_user,
-agora.chat.user.dau,count,60,,,,0,agora_analytics,dau_user,
-agora.chat.user.maxdau,count,60,,,,0,agora_analytics,max_dau_user,
\ No newline at end of file
+agora.rtc.app_id.online_user,count,60,,,number of online users,0,agora_analytics,online_user,
+agora.rtc.app_id.online_channel,count,60,,,number of online channels,0,agora_analytics,online_channel,
+agora.rtc.app_id.audio_freeze_rate,rate,60,,,audio freeze rate,-1,agora_analytics,audio_freeze_rate,
+agora.rtc.app_id.video_freeze_rate,rate,60,,,video freeze rate,-1,agora_analytics,video_freeze_rate,
+agora.rtc.app_id.network_delay_rate,rate,60,,,network delay rate,-1,agora_analytics,network_delay_rate,
+agora.rtc.app_id.join_attempt,count,60,,,number of join attempts,0,agora_analytics,join_attempt,
+agora.rtc.app_id.join_success_count,count,60,,,number of join success,0,agora_analytics,join_success_count,
+agora.rtc.app_id.join_success_rate,rate,60,,,join success rate,-1,agora_analytics,join_success_rate,
+agora.rtc.app_id.join_success_in_5s_rate,rate,60,,,join success rate within 5 seconds,-1,agora_analytics,join_success_in_5s_rate,
+agora.chat.group.total,count,60,,,total chat groups,0,agora_analytics,total_group,
+agora.chat.group.new,count,60,,,daily new chat groups,0,agora_analytics,new_group,
+agora.chat.group.disbanded,count,60,,,daily disbanded chat groups,0,agora_analytics,disbanded_group,
+agora.chat.group.active,count,60,,,daily active chat groups,0,agora_analytics,active_group,
+agora.chat.room.total,count,60,,,total chat rooms,0,agora_analytics,total_group,
+agora.chat.room.new,count,60,,,daily new chat rooms,0,agora_analytics,new_room,
+agora.chat.room.disbanded,count,60,,,daily disbanded chat rooms,0,agora_analytics,disbanded_room,
+agora.chat.room.active,count,60,,,daily active chat rooms,0,agora_analytics,active_room,
+agora.chat.room.pcu,count,60,,,daily chat room peak current user,0,agora_analytics,room_pcu,
+agora.chat.user.total,count,60,,,total registered users,0,agora_analytics,total_user,
+agora.chat.user.dnu,count,60,,,daily new users,0,agora_analytics,dnu_user,
+agora.chat.user.dau,count,60,,,daily active users,0,agora_analytics,dau_user,
+agora.chat.user.maxdau,count,60,,,monthly max daily active users,0,agora_analytics,max_dau_user,
\ No newline at end of file