diff --git a/docs/user_manual/quick_starts/en-US/chapter_05_operation_and_maintenance/03_o_m_by_ob-operator.md b/docs/user_manual/quick_starts/en-US/chapter_05_operation_and_maintenance/03_o_m_by_ob-operator.md
index c86b168e..195c9f3e 100755
--- a/docs/user_manual/quick_starts/en-US/chapter_05_operation_and_maintenance/03_o_m_by_ob-operator.md
+++ b/docs/user_manual/quick_starts/en-US/chapter_05_operation_and_maintenance/03_o_m_by_ob-operator.md
@@ -75,7 +75,7 @@ For more information, see [High availability](https://en.oceanbase.com/docs/comm
 
 The O&M of an OceanBase cluster is implemented by modifying the cluster resources in Kubernetes. The current implementation logic is to deliver the cluster resource modifications to target resources.
 
-![Cluster information](/img/user_manual/quick_starts/en-US/chapter_05_operation_and_maintenance/03_o_m_by_ob-operator/001.png)
+![Cluster information](5.3.png)
 
 ### Create a tenant
 
@@ -134,7 +134,7 @@ spec:
 
 The following figure shows the GUI provided by Dashboard for creating a tenant.
 
-![Create a tenant](/img/user_manual/quick_starts/en-US/chapter_05_operation_and_maintenance/03_o_m_by_ob-operator/002.png)
+![Create a tenant](5.4.png)
 
 ### Modify the resource specifications for a tenant
 
@@ -185,9 +185,9 @@ spec:
 
 The following figures show the GUI provided by Dashboard for modifying the resource specifications for a tenant.
 
-![Modify tenant resources](/img/user_manual/quick_starts/en-US/chapter_05_operation_and_maintenance/03_o_m_by_ob-operator/003.png)
+![Modify tenant resources](5.5.png)
 
-![Modify tenant resources](/img/user_manual/quick_starts/en-US/chapter_05_operation_and_maintenance/03_o_m_by_ob-operator/004.png)
+![Modify tenant resources](5.6.png)
 
 ### Back up data
 
@@ -236,7 +236,7 @@ Take note of the following considerations:
 
 The following figure shows the GUI provided by Dashboard for creating a backup strategy.
 
-![Create a backup strategy](/img/user_manual/quick_starts/en-US/chapter_05_operation_and_maintenance/03_o_m_by_ob-operator/005.png)
+![Create a backup strategy](5.7.png)
 
 ### Restore data
 
@@ -329,7 +329,7 @@ Take note of the following considerations:
 
 The following figure shows the GUI provided by Dashboard for adding a zone.
 
-![Add a zone](/img/user_manual/quick_starts/en-US/chapter_05_operation_and_maintenance/03_o_m_by_ob-operator/006.png)
+![Add a zone](5.8.png)
 
 #### Scale up a cluster
 
@@ -351,7 +351,7 @@ Take note of the following considerations:
 
 The following figure shows the GUI provided by Dashboard for adding OBServer nodes to a zone.
 
-![Scale-up](/img/user_manual/quick_starts/en-US/chapter_05_operation_and_maintenance/03_o_m_by_ob-operator/007.png)
+![Scale-up](5.9.png)
 
 ### Scale in or scale down a cluster
 
@@ -385,7 +385,7 @@ Take note of the following considerations:
 
 The following figure shows the GUI provided by Dashboard for deleting OBServer nodes from a zone.
 
-![Scale-down](/img/user_manual/quick_starts/en-US/chapter_05_operation_and_maintenance/03_o_m_by_ob-operator/008.png)
+![Scale-down](5.9.png)
 
 ### Upgrade a cluster
 
@@ -401,4 +401,4 @@ Take note of the following considerations:
 
 The following figure shows the GUI provided by Dashboard for upgrading a cluster.
 
-![Upgrade](/img/user_manual/quick_starts/en-US/chapter_05_operation_and_maintenance/03_o_m_by_ob-operator/009.png)
+![Upgrade](5.10.png)