diff --git a/README.md b/README.md
index 042b64b..1ca28ca 100644
--- a/README.md
+++ b/README.md
@@ -22,8 +22,6 @@ tar zcvf categraf.tar.gz categraf conf
 - []tomcat
 - []...
 - []promscrape
-- []mysql
-- []redis
 - []statsd
 - []...
 - []io.util
\ No newline at end of file
diff --git a/conf/input.mysql/mysql.toml b/conf/input.mysql/mysql.toml
index 8e2fe85..2a478e0 100644
--- a/conf/input.mysql/mysql.toml
+++ b/conf/input.mysql/mysql.toml
@@ -1,22 +1,22 @@
 # # collect interval
-interval = 3
+# interval = 15
 
-[[instances]]
-address = "127.0.0.1:3306"
-username = "root"
-password = "1234"
+# [[instances]]
+# address = "127.0.0.1:3306"
+# username = "root"
+# password = "1234"
 
 # # set tls=custom to enable tls
 # parameters = "tls=false"
 
-extra_status_metrics = true
-extra_innodb_metrics = false
-gather_processlist_processes_by_state = false
-gather_processlist_processes_by_user = false
-gather_schema_size = true
-gather_table_size = false
-gather_system_table_size = false
-gather_slave_status = true
+# extra_status_metrics = true
+# extra_innodb_metrics = false
+# gather_processlist_processes_by_state = false
+# gather_processlist_processes_by_user = false
+# gather_schema_size = true
+# gather_table_size = false
+# gather_system_table_size = false
+# gather_slave_status = true
 
 # # timeout
 # timeout_seconds = 3
@@ -25,7 +25,7 @@ gather_slave_status = true
 # interval_times = 1
 
 # important! use global unique string to specify instance
-labels = { instance="n9e-10.2.3.4:3306" }
+# labels = { instance="n9e-10.2.3.4:3306" }
 
 ## Optional TLS Config
 # use_tls = false