diff --git a/conf/calllog_conf.yaml b/conf/calllog_conf.yaml
index afb6d9ac3..098b01f8c 100644
--- a/conf/calllog_conf.yaml
+++ b/conf/calllog_conf.yaml
@@ -4,8 +4,8 @@ calllog:
   ## true | false
   loopcheck: false # This temp method for development is busy wait. cf) calllogger.go:levelSetupLoop().
 
-  ## info | error  // The error is like switching off the call-log.
-  loglevel: info # If loopcheck is true, You can set this online.
+  ## error | info  // The error is like switching off the call-log.
+  loglevel: error # If loopcheck is true, You can set this online.
 
   ## true | false  // Now false is reserved for the future.
   logfile: true 
diff --git a/conf/log_conf.yaml b/conf/log_conf.yaml
index 437ad3fab..a5d368191 100644
--- a/conf/log_conf.yaml
+++ b/conf/log_conf.yaml
@@ -5,8 +5,8 @@ cblog:
   loopcheck: false # This temp method for development is busy wait. cf) cblogger.go:levelSetupLoop().
 
   ## trace | debug | info | warn/warning | error | fatal | panic
-  ## Default logging level: info
-  loglevel: info # If loopcheck is true, You can set this online.
+  ## Default logging level: error
+  loglevel: error # If loopcheck is true, You can set this online.
 
   ## true | false
   logfile: true