diff --git a/handler/display/tasks/observer/event.yaml b/handler/display/tasks/observer/event.yaml
index cc40a677..45c8bf91 100644
--- a/handler/display/tasks/observer/event.yaml
+++ b/handler/display/tasks/observer/event.yaml
@@ -27,9 +27,9 @@ task:
               SUM(total_waits) AS total_waits,
               SUM(time_waited_micro / 1000000) AS time_waited
             FROM
-              v$system_event
+              oceanbase.v$system_event
             WHERE
-              v$system_event.wait_class <> 'IDLE'
+              oceanbase.v$system_event.wait_class <> 'IDLE'
               AND (
                 con_id > 1000
                 OR con_id = 1
diff --git a/handler/display/tasks/observer/table_info.yaml b/handler/display/tasks/observer/table_info.yaml
index ee89ef7a..c66db392 100644
--- a/handler/display/tasks/observer/table_info.yaml
+++ b/handler/display/tasks/observer/table_info.yaml
@@ -8,7 +8,7 @@ task:
         sql: "select /*+ READ_CONSISTENCY(WEAK) query_timeout(100000000)*/ table_schema, table_name, table_type, engine, row_format, table_rows, avg_row_length,  table_collation from information_schema.tables where table_name = '{table_name}' and table_schema = '{database_name}';"
         global: true
       - type: sql
-        sql: "select /*+ READ_CONSISTENCY(WEAK) query_timeout(100000000)*/ dotl.database_name, dotl.table_name, dotl.ls_id, dotl.zone, dotl.svr_ip, dotl.svr_port, dotl.role, dotl.replica_type from dba_ob_table_locations dotl where dotl.table_name = '{table_name}' and dotl.database_name = '{database_name}';"
+        sql: "select /*+ READ_CONSISTENCY(WEAK) query_timeout(100000000)*/ dotl.database_name, dotl.table_name, dotl.ls_id, dotl.zone, dotl.svr_ip, dotl.svr_port, dotl.role, dotl.replica_type from oceanbase.dba_ob_table_locations dotl where dotl.table_name = '{table_name}' and dotl.database_name = '{database_name}';"
         global: true
       - type: sql
         sql: "select /*+ READ_CONSISTENCY(WEAK) query_timeout(100000000)*/ dotl.database_name, 
@@ -36,9 +36,9 @@ task:
               concat(round(sum(dotr.data_size/1024/1024/1024), 2), 'G') datasize_primary , 
               concat(round(sum(dotr.required_size)/1024/1024/1024, 2), 'G') requiredsize_primary 
               from 
-              dba_ob_table_locations dotl, 
-              dba_ob_tablet_replicas dotr, 
-              dba_ob_table_locations dotl2 
+              oceanbase.dba_ob_table_locations dotl, 
+              oceanbase.dba_ob_tablet_replicas dotr, 
+              oceanbase.dba_ob_table_locations dotl2 
               where  dotl.ls_id = dotl2.ls_id 
               and dotl.svr_ip = dotl2.svr_ip 
               and dotl.role = dotl2.role 
@@ -59,9 +59,9 @@ task:
               concat(round(sum(dotr.data_size/1024/1024/1024), 2), 'G') datasize_primary , 
               concat(round(sum(dotr.required_size)/1024/1024/1024, 2), 'G') requiredsize_primary 
               from 
-              dba_ob_table_locations dotl, 
-              dba_ob_tablet_replicas dotr, 
-              dba_ob_table_locations dotl2 
+              oceanbase.dba_ob_table_locations dotl, 
+              oceanbase.dba_ob_tablet_replicas dotr, 
+              oceanbase.dba_ob_table_locations dotl2 
               where  dotl.ls_id = dotl2.ls_id 
               and dotl.svr_ip = dotl2.svr_ip 
               and dotl.role = dotl2.role 
diff --git a/handler/display/tasks/observer/topsql.yaml b/handler/display/tasks/observer/topsql.yaml
index ee0d2a20..c266e765 100644
--- a/handler/display/tasks/observer/topsql.yaml
+++ b/handler/display/tasks/observer/topsql.yaml
@@ -5,11 +5,14 @@ task:
   - version: "[4.0.0.0, *]"
     steps:
       - type: sql
-        sql: "select SQL_ID, count(*) as QPS, avg(t1.elapsed_time) RT
+        sql: "select tenant_name, SQL_ID, count(*) as QPS, avg(t1.ELAPSED_TIME) as ELAPSED_TIME_AVG, substr(query_sql,1,50)
               from oceanbase.gv$ob_sql_audit t1
               where 
               IS_EXECUTOR_RPC = 0
               and request_time > (time_to_usec(now()) - {mtime} * 60 * 1000000)
               and request_time < time_to_usec(now())
+              and length(query_sql) > 0
+              and IS_INNER_SQL = 0
+              and length(sql_id) > 0
               group by t1.sql_id order by QPS desc limit 10;"
         global: true
diff --git a/handler/display/tasks/observer/zone_info.yaml b/handler/display/tasks/observer/zone_info.yaml
index 1c032337..e8e203a2 100644
--- a/handler/display/tasks/observer/zone_info.yaml
+++ b/handler/display/tasks/observer/zone_info.yaml
@@ -5,4 +5,5 @@ task:
   - version: "[4.0.0.0, *]"
     steps:
       - type: sql
-        sql: "select * from oceanbase.dba_ob_zones;"
\ No newline at end of file
+        sql: "select * from oceanbase.dba_ob_zones;"
+        global: true
\ No newline at end of file