diff --git a/config/datanode.example.toml b/config/datanode.example.toml
index 557cd4cef0..6e426e89cd 100644
--- a/config/datanode.example.toml
+++ b/config/datanode.example.toml
@@ -646,7 +646,7 @@ url = ""
 headers = { }
 
 ## The tracing options. Only effect when compiled with `tokio-console` feature.
-[tracing]
+#+ [tracing]
 ## The tokio console address.
 ## @toml2docs:none-default
-tokio_console_addr = "127.0.0.1"
+#+ tokio_console_addr = "127.0.0.1"
diff --git a/config/flownode.example.toml b/config/flownode.example.toml
index 34825542fa..ffa9924365 100644
--- a/config/flownode.example.toml
+++ b/config/flownode.example.toml
@@ -101,8 +101,8 @@ threshold = "10s"
 sample_ratio = 1.0
 
 ## The tracing options. Only effect when compiled with `tokio-console` feature.
-[tracing]
+#+ [tracing]
 ## The tokio console address.
 ## @toml2docs:none-default
-tokio_console_addr = "127.0.0.1"
+#+ tokio_console_addr = "127.0.0.1"
 
diff --git a/config/frontend.example.toml b/config/frontend.example.toml
index 83e7808d46..1fb372a6d1 100644
--- a/config/frontend.example.toml
+++ b/config/frontend.example.toml
@@ -231,7 +231,7 @@ url = ""
 headers = { }
 
 ## The tracing options. Only effect when compiled with `tokio-console` feature.
-[tracing]
+#+ [tracing]
 ## The tokio console address.
 ## @toml2docs:none-default
-tokio_console_addr = "127.0.0.1"
+#+ tokio_console_addr = "127.0.0.1"
diff --git a/config/metasrv.example.toml b/config/metasrv.example.toml
index 416f5ee6ef..b80d1c164e 100644
--- a/config/metasrv.example.toml
+++ b/config/metasrv.example.toml
@@ -218,7 +218,7 @@ url = ""
 headers = { }
 
 ## The tracing options. Only effect when compiled with `tokio-console` feature.
-[tracing]
+#+ [tracing]
 ## The tokio console address.
 ## @toml2docs:none-default
-tokio_console_addr = "127.0.0.1"
+#+ tokio_console_addr = "127.0.0.1"
diff --git a/config/standalone.example.toml b/config/standalone.example.toml
index defd34d8f5..52f6d5b694 100644
--- a/config/standalone.example.toml
+++ b/config/standalone.example.toml
@@ -690,7 +690,7 @@ url = ""
 headers = { }
 
 ## The tracing options. Only effect when compiled with `tokio-console` feature.
-[tracing]
+#+ [tracing]
 ## The tokio console address.
 ## @toml2docs:none-default
-tokio_console_addr = "127.0.0.1"
+#+ tokio_console_addr = "127.0.0.1"