diff --git a/oceanbasecloud/assets/dashboards/oceanbasecloud_overview.json b/oceanbasecloud/assets/dashboards/oceanbasecloud_overview.json
index 806a1d5ef8..855aaebac6 100644
--- a/oceanbasecloud/assets/dashboards/oceanbasecloud_overview.json
+++ b/oceanbasecloud/assets/dashboards/oceanbasecloud_overview.json
@@ -34,7 +34,7 @@
                         "id": 2461329472428800,
                         "definition": {
                             "type": "note",
-                            "content": "**About OceanBase**\n\nOceanBase Database is an enterprise-level, native distributed database. This dashboard showcases important insights and metrics enabling you to monitor your clusters on OceanBase Cloud.\n",
+                            "content": "**About OceanBase**\n\nOceanBase Database is an enterprise-level, native distributed database. This dashboard provides a high-level overview of  OceanBase clusters to track host, sql and transaction performance.\n",
                             "background_color": "white",
                             "font_size": "14",
                             "text_align": "left",
@@ -1107,7 +1107,7 @@
             },
             "layout": {
                 "x": 0,
-                "y": 26,
+                "y": 0,
                 "width": 12,
                 "height": 18,
                 "is_column_break": true
diff --git a/oceanbasecloud/images/ob-dashboard.jpg b/oceanbasecloud/images/ob-dashboard.jpg
index a505888a77..92af266285 100644
Binary files a/oceanbasecloud/images/ob-dashboard.jpg and b/oceanbasecloud/images/ob-dashboard.jpg differ