diff --git a/application.develop.yml b/application.develop.yml
index 3e69f3e2..892be33b 100644
--- a/application.develop.yml
+++ b/application.develop.yml
@@ -13,9 +13,7 @@ extension:
   security_enabled: true
 
 log:
-  format: ${time_rfc3339} [${level}] ${remote_ip} ${method} ${uri} ${status}
-  level: 1
-  file_path: 
+  request_log_format: ${remote_ip} ${account_name} ${uri} ${method} ${status}
 
 security:
   exclude_path:
diff --git a/application.docker.yml b/application.docker.yml
index 20e3af61..45bb6a59 100644
--- a/application.docker.yml
+++ b/application.docker.yml
@@ -13,9 +13,7 @@ extension:
   security_enabled: true
 
 log:
-  format: ${time_rfc3339} [${level}] ${remote_ip} ${method} ${uri} ${status}
-  level: 2
-  file_path: ./application.log
+  request_log_format: ${remote_ip} ${account_name} ${uri} ${method} ${status}
 
 security:
   exclude_path:
diff --git a/application.k8s.yml b/application.k8s.yml
index 9def68dc..145cb4bf 100644
--- a/application.k8s.yml
+++ b/application.k8s.yml
@@ -19,9 +19,7 @@ extension:
   security_enabled: true
 
 log:
-  format: ${time_rfc3339} [${level}] ${remote_ip} ${method} ${uri} ${status}
-  level: 2
-  file_path: ./application.log
+  request_log_format: ${remote_ip} ${account_name} ${uri} ${method} ${status}
 
 security:
   exclude_path:
diff --git a/config/config.go b/config/config.go
index cc7cf43f..97df283b 100644
--- a/config/config.go
+++ b/config/config.go
@@ -5,7 +5,6 @@ import (
 	"fmt"
 
 	"github.com/jinzhu/configor"
-	"github.com/labstack/gommon/log"
 )
 
 // Config represents the composition of yml settings.
@@ -31,9 +30,7 @@ type Config struct {
 		SecurityEnabled bool `yaml:"security_enabled" default:"false"`
 	}
 	Log struct {
-		Format   string  `default:"${time_rfc3339} [${level}] ${remote_ip} ${method} ${uri} ${status}"`
-		Level    log.Lvl `default:"2"`
-		FilePath string  `yaml:"file_path"`
+		RequestLogFormat string `yaml:"request_log_format" default:"${remote_ip} ${account_name} ${uri} ${method} ${status}"`
 	}
 	Security struct {
 		ExculdePath []string `yaml:"exclude_path"`
diff --git a/go.mod b/go.mod
index 7a9ad5c4..f1203ea0 100644
--- a/go.mod
+++ b/go.mod
@@ -10,13 +10,12 @@ require (
 	github.com/jinzhu/gorm v1.9.12
 	github.com/labstack/echo-contrib v0.9.0
 	github.com/labstack/echo/v4 v4.1.16
-	github.com/labstack/gommon v0.3.0
 	github.com/leodido/go-urn v1.2.0 // indirect
 	github.com/lib/pq v1.7.0 // indirect
 	github.com/mattn/go-colorable v0.1.7 // indirect
 	github.com/mattn/go-sqlite3 v2.0.3+incompatible // indirect
 	github.com/stretchr/testify v1.6.1
-	github.com/valyala/fasttemplate v1.1.1 // indirect
+	github.com/valyala/fasttemplate v1.2.1
 	go.uber.org/multierr v1.6.0 // indirect
 	go.uber.org/zap v1.16.0
 	golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9
diff --git a/go.sum b/go.sum
index 08941b03..b293649a 100644
--- a/go.sum
+++ b/go.sum
@@ -62,8 +62,10 @@ github.com/julienschmidt/httprouter v1.2.0/go.mod h1:SYymIcj16QtmaHHD7aYtjjsJG7V
 github.com/kisielk/gotool v1.0.0/go.mod h1:XhKaO+MFFWcvkIS/tQcRk01m1F5IRFswLeQ+oQHNcck=
 github.com/konsorten/go-windows-terminal-sequences v1.0.1/go.mod h1:T0+1ngSBFLxvqU3pZ+m/2kptfBszLMUkC4ZK/EgS/cQ=
 github.com/kr/logfmt v0.0.0-20140226030751-b84e30acd515/go.mod h1:+0opPa2QZZtGFBFZlji/RkVcI2GknAs/DXo4wKdlNEc=
+github.com/kr/pretty v0.1.0 h1:L/CwN0zerZDmRFUapSPitk6f+Q3+0za1rQkzVuMiMFI=
 github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORNo=
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
+github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/labstack/echo-contrib v0.9.0 h1:hKBA2SnxdxR7sghH0J04zq/pImnKRmgvmQ6MvY9hug4=
 github.com/labstack/echo-contrib v0.9.0/go.mod h1:TsFE5Vv0LRpZLoh4mMmaaAxzcTH+1CBFiUtVhwlegzU=
@@ -132,8 +134,8 @@ github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyC
 github.com/valyala/fasttemplate v1.0.1/go.mod h1:UQGH1tvbgY+Nz5t2n7tXsz52dQxojPUpymEIMZ47gx8=
 github.com/valyala/fasttemplate v1.1.0 h1:RZqt0yGBsps8NGvLSGW804QQqCUYYLsaOjTVHy1Ocw4=
 github.com/valyala/fasttemplate v1.1.0/go.mod h1:UQGH1tvbgY+Nz5t2n7tXsz52dQxojPUpymEIMZ47gx8=
-github.com/valyala/fasttemplate v1.1.1 h1:o7HedfIt0u4jgkQnk0jkUOUI45c0CbFgcOOVUpo/txI=
-github.com/valyala/fasttemplate v1.1.1/go.mod h1:UQGH1tvbgY+Nz5t2n7tXsz52dQxojPUpymEIMZ47gx8=
+github.com/valyala/fasttemplate v1.2.1 h1:TVEnxayobAdVkhQfrfes2IzOB6o+z4roRkPF52WA1u4=
+github.com/valyala/fasttemplate v1.2.1/go.mod h1:KHLXt3tVN2HBp8eijSv/kGJopbvo7S+qRAEEKiv+SiQ=
 go.uber.org/atomic v1.4.0/go.mod h1:gD2HeocX3+yG+ygLZcrzQJaqmWj9AIm7n08wl/qW/PE=
 go.uber.org/atomic v1.6.0 h1:Ezj3JGmsOnG1MoRWQkPBsKLe9DwWD9QeXzTRzzldNVk=
 go.uber.org/atomic v1.6.0/go.mod h1:sABNBOSYdrvTF6hTgEIbc7YasKWGhgEQZyfxyTvoXHQ=
@@ -156,6 +158,7 @@ golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d h1:1ZiEyfaQIg3Qh0EoqpwAak
 golang.org/x/crypto v0.0.0-20200221231518-2aa609cf4a9d/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9 h1:psW17arqaxU48Z5kZ0CQnkZWQJsqcURM6tKiBApRjXI=
 golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto=
+golang.org/x/lint v0.0.0-20190930215403-16217165b5de h1:5hukYrvBGR8/eNkX5mdUezrA6JiaEZDtJb9Ei+1LlBs=
 golang.org/x/lint v0.0.0-20190930215403-16217165b5de/go.mod h1:6SW0HCj/g11FgYtHlgUYUwCkIfeOF89ocIRzGO/8vkc=
 golang.org/x/mod v0.0.0-20190513183733-4bf6d317e70e/go.mod h1:mXi4GBBbnImb6dmsKGUJ2LatrhH/nqhxcFungHvyanc=
 golang.org/x/net v0.0.0-20180724234803-3673e40ba225/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4=
@@ -197,6 +200,7 @@ golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3
 golang.org/x/tools v0.0.0-20190608022120-eacb66d2a7c3/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20190621195816-6e04913cbbac/go.mod h1:/rFqwRUd4F7ZHNgwSSTFct+R/Kf4OFW1sUzUTQQTgfc=
 golang.org/x/tools v0.0.0-20191029041327-9cc4af7d6b2c/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
+golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5 h1:hKsoRgsbwY1NafxrwTs+k64bikrLBkAgPir1TNCj3Zs=
 golang.org/x/tools v0.0.0-20191029190741-b9c20aec41a5/go.mod h1:b+2E5dAYhXwXZwtnZ6UAqBI28+e2cm9otk0dWdXHAEo=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
 google.golang.org/appengine v1.4.0 h1:/wp5JvzpHIxhs/dumFmF7BXTf3Z+dd4uXta4kVyO508=
@@ -206,6 +210,7 @@ gopkg.in/boj/redistore.v1 v1.0.0-20160128113310-fc113767cd6b h1:U/Uqd1232+wrnHOv
 gopkg.in/boj/redistore.v1 v1.0.0-20160128113310-fc113767cd6b/go.mod h1:fgfIZMlsafAHpspcks2Bul+MWUNw/2dyQmjC2faKjtg=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
+gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/errgo.v2 v2.1.0/go.mod h1:hNsd1EY+bozCKY1Ytp96fpM3vjJbqLJn88ws8XvfDNI=
 gopkg.in/go-playground/assert.v1 v1.2.1 h1:xoYuJVE7KT85PYWrN730RguIQO0ePzVRfFMXadIrXTM=
@@ -220,4 +225,5 @@ gopkg.in/yaml.v2 v2.2.8 h1:obN1ZagJSUGI0Ek/LBmuj4SNLPfIny3KsKFopxRdj10=
 gopkg.in/yaml.v2 v2.2.8/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
+honnef.co/go/tools v0.0.1-2019.2.3 h1:3JgtbtFHMiCmsznwGVTUWbgGov+pVqnlf1dEJTNAXeM=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
diff --git a/logger/logger.go b/logger/logger.go
index c57515f9..2bc579cf 100644
--- a/logger/logger.go
+++ b/logger/logger.go
@@ -54,7 +54,7 @@ func InitLogger() {
 	sugar := zap.Sugar()
 	// set package varriable logger.
 	logger = newLogger(sugar)
-	logger.zap.Infof("Success to read zap logger configuration")
+	logger.zap.Infof("Success to read zap logger configuration: zaplogger." + *config.GetEnv() + ".yml")
 }
 
 // ==============================================================
diff --git a/main.go b/main.go
index 7c264f23..83c8dfa0 100644
--- a/main.go
+++ b/main.go
@@ -16,7 +16,7 @@ func main() {
 	config.Load()
 	logger.InitLogger()
 	middleware.InitLoggerMiddleware(e)
-	e.Logger.Info("Loaded this configuration : application." + *config.GetEnv() + ".yml")
+	logger.GetZapLogger().Infof("Loaded this configuration : application." + *config.GetEnv() + ".yml")
 
 	repository.InitDB()
 	db := repository.GetDB()
@@ -27,7 +27,7 @@ func main() {
 	router.Init(e, config.GetConfig())
 	middleware.InitSessionMiddleware(e, config.GetConfig())
 	if err := e.Start(":8080"); err != nil {
-		e.Logger.Error(err)
+		logger.GetZapLogger().Errorf(err.Error())
 	}
 
 	defer db.Close()
diff --git a/middleware/middleware.go b/middleware/middleware.go
index 6ce202f1..eeb2e9de 100644
--- a/middleware/middleware.go
+++ b/middleware/middleware.go
@@ -2,12 +2,15 @@ package middleware
 
 import (
 	"fmt"
+	"io"
 	"net/http"
 	"regexp"
+	"strconv"
 
 	"github.com/gorilla/sessions"
 	"github.com/labstack/echo-contrib/session"
 	"github.com/labstack/echo/v4"
+	"github.com/valyala/fasttemplate"
 	"github.com/ybkuroki/go-webapp-sample/config"
 	"github.com/ybkuroki/go-webapp-sample/logger"
 	mySession "github.com/ybkuroki/go-webapp-sample/session"
@@ -47,11 +50,28 @@ func RequestLoggerMiddleware(next echo.HandlerFunc) echo.HandlerFunc {
 		if err := next(c); err != nil {
 			c.Error(err)
 		}
-		if account := mySession.GetAccount(c); account != nil {
-			logger.GetZapLogger().Infof("%s %s %s %d", account.Name, req.RequestURI, req.Method, res.Status)
-		} else {
-			logger.GetZapLogger().Infof("%s %s %s %d", "None", req.RequestURI, req.Method, res.Status)
-		}
+
+		template := fasttemplate.New(config.GetConfig().Log.RequestLogFormat, "${", "}")
+		logstr := template.ExecuteFuncString(func(w io.Writer, tag string) (int, error) {
+			switch tag {
+			case "remote_ip":
+				return w.Write([]byte(c.RealIP()))
+			case "account_name":
+				if account := mySession.GetAccount(c); account != nil {
+					return w.Write([]byte(account.Name))
+				}
+				return w.Write([]byte("None"))
+			case "uri":
+				return w.Write([]byte(req.RequestURI))
+			case "method":
+				return w.Write([]byte(req.Method))
+			case "status":
+				return w.Write([]byte(strconv.Itoa(res.Status)))
+			default:
+				return w.Write([]byte(""))
+			}
+		})
+		logger.GetZapLogger().Debugf(logstr)
 		return nil
 	}
 }
@@ -60,7 +80,7 @@ func RequestLoggerMiddleware(next echo.HandlerFunc) echo.HandlerFunc {
 // ref: https://echo.labstack.com/cookbook/middleware
 func ActionLoggerMiddleware(next echo.HandlerFunc) echo.HandlerFunc {
 	return func(c echo.Context) error {
-		logger.GetZapLogger().Debug(c.Path() + " Action Start")
+		logger.GetZapLogger().Debugf(c.Path() + " Action Start")
 		if err := next(c); err != nil {
 			c.Error(err)
 		}
diff --git a/test/unittest_util.go b/test/unittest_util.go
index 207e1a25..01bb6de5 100644
--- a/test/unittest_util.go
+++ b/test/unittest_util.go
@@ -21,8 +21,7 @@ func Prepare() *echo.Echo {
 	conf.Database.Migration = true
 	conf.Extension.MasterGenerator = true
 	conf.Extension.SecurityEnabled = false
-	conf.Log.Format = "${time_rfc3339} [${level}] ${remote_ip} ${method} ${uri} ${status}"
-	conf.Log.Level = 1
+	conf.Log.RequestLogFormat = "${remote_ip} ${account_name} ${uri} ${method} ${status}"
 	config.SetConfig(conf)
 
 	logger.InitLogger()