diff --git a/_cmd.py b/_cmd.py
index 7e1f3590..df255f51 100644
--- a/_cmd.py
+++ b/_cmd.py
@@ -125,6 +125,8 @@ def _process_long_opt(self, rargs, values):
             value = rargs[0]
             OptionParser._process_long_opt(self, rargs, values)
         except BadOptionError as e:
+            if self.prog.split()[-1] == "obdiag":
+                return
             if self.allow_undefine:
                 key = e.opt_str
                 value = value[len(key)+1:]
@@ -138,6 +140,8 @@ def _process_short_opts(self, rargs, values):
             value = rargs[0]
             OptionParser._process_short_opts(self, rargs, values)
         except BadOptionError as e:
+            if self.prog.split()[-1] == "obdiag":
+                return
             if self.allow_undefine:
                 key = e.opt_str
                 value = value[len(key)+1:]
diff --git a/core.py b/core.py
index e52d4750..32358283 100644
--- a/core.py
+++ b/core.py
@@ -4775,7 +4775,7 @@ def obdiag_func(self, args, deploy_name):
                 self._call_stdio('error', err.EC_OBDIAG_NOT_CONTAIN_DEPEND_COMPONENT.format(components=allow_components))
                 return False
             cluster_config = deploy_config.components[component_name]
-            deploy_config.components = {tool_name: cluster_config}
+            deploy_config.components[tool_name] = cluster_config
 
         workflow_name='diag'
         pkg = self.mirror_manager.get_best_pkg(name=tool_name)
@@ -4790,7 +4790,9 @@ def obdiag_func(self, args, deploy_name):
             workflows = self.get_workflows(workflow_name, [repository])
             return self.run_workflow(workflows, deploy_config.components, [repository], **{const.COMP_OCEANBASE_DIAGNOSTIC_TOOL: {"full_cmd": args, "deploy_config": deploy_config}})
         else:
-            self._call_stdio('error', err.EC_OBDIAG_FUNCTION_FAILED.format(function=workflow_name))
+            self._call_stdio('error', err.EC_OBDIAG_NOT_FOUND.format())
+            self._call_stdio('warn', '%s tool installation begins' % tool_name)
+            self.install_tool(tool_name)
             return False
         
     def obdiag_deploy(self, fuction_type):
diff --git a/plugins/oceanbase-diagnostic-tool/1.0/diag.py b/plugins/oceanbase-diagnostic-tool/1.0/diag.py
index 91264e6b..40f55e2e 100644
--- a/plugins/oceanbase-diagnostic-tool/1.0/diag.py
+++ b/plugins/oceanbase-diagnostic-tool/1.0/diag.py
@@ -16,6 +16,7 @@
 from __future__ import absolute_import, division, print_function
 from ssh import LocalClient
 import _errno as err
+import re
 
 
 def diag(plugin_context, *args, **kwargs):
@@ -27,8 +28,32 @@ def local_execute_command(command, env=None, timeout=None):
         exec_command = r"{install_dir}/{cmd}".format(install_dir=obdiag_install_dir, cmd=command)
         return LocalClient.execute_command(exec_command, env, timeout, stdio)
 
+    stdio.start_loading('obdiag working')
     ret = local_execute_command(f'{obdiag_bin} {" ".join(kwargs["full_cmd"])}')
+    stdio.stop_loading('obdiag working')
     if not ret:
         stdio.error(err.EC_OBDIAG_NOT_FOUND.format())
         return plugin_context.return_false()
-    stdio.print(ret.stdout)
+    
+    fixed_output = ret.stdout
+    if kwargs["full_cmd"][-1] == "list":
+        command_to_replace = kwargs["full_cmd"][0]
+        pattern = rf'(\s*)obdiag\s+{re.escape(command_to_replace)}(\s|$)'
+        replacement = rf'\1obd obdiag {command_to_replace}\2'
+        fixed_output = re.sub(
+                pattern,
+                replacement,
+                ret.stdout,
+                flags=re.MULTILINE | re.IGNORECASE
+            )
+    fixed_output = re.sub(
+        r'Usage: /.*?/obdiag',
+        'Usage: obd obdiag',
+        fixed_output
+    )
+    fixed_output = re.sub(
+        r'(<command>)(\s+\[options\])',
+        r'\1 <deploy name>\2',
+        fixed_output
+    )
+    stdio.print(fixed_output)
diff --git a/plugins/oceanbase-diagnostic-tool/3.2.0/generate_config.py b/plugins/oceanbase-diagnostic-tool/3.2.0/generate_config.py
index b59d2917..560b6cb4 100644
--- a/plugins/oceanbase-diagnostic-tool/3.2.0/generate_config.py
+++ b/plugins/oceanbase-diagnostic-tool/3.2.0/generate_config.py
@@ -65,7 +65,8 @@ def get_obdiag_config():
                 nodeItem["ssh_username"] = parse_empty(user_config.username)
                 nodeItem["ssh_password"] = parse_empty(user_config.password)
                 nodeItem["private_key"] = parse_empty(user_config.key_file)
-                server_config = obproxy.get_server_conf(server)
+                server_config = obproxy.get_server_conf_with_default(server)
+                obproxy_config["obproxy_port"] = server_config.get("listen_port", 2883)
                 nodeItem["home_path"] = server_config.get("home_path")
                 obproxy_nodes.append(nodeItem)
         obproxy_config["servers"] = {"nodes": obproxy_nodes, "global": {}}
@@ -98,6 +99,8 @@ def get_obdiag_config():
             obcluster_config["servers"] = {"nodes": observer_nodes, "global": {}}
         if len(obproxy_nodes) > 0:
             config={"obcluster": obcluster_config, "obproxy": obproxy_config}
+            obcluster_config["db_port"] = obproxy_config["obproxy_port"]
+            obcluster_config["db_host"] = obproxy_config["servers"]["nodes"][0]["ip"]
         else:
             config={"obcluster": obcluster_config}
         return config