diff --git a/cmd/haoadm/main.go b/cmd/haoadm/main.go
index a5ac9c6..21c4335 100644
--- a/cmd/haoadm/main.go
+++ b/cmd/haoadm/main.go
@@ -13,7 +13,6 @@ import (
 )
 
 func main() {
-	config.App = &config.Configuration{}
 
 	appm := &cli.App{
 		Name:      "haoadm",
diff --git a/cmd/haobase/main.go b/cmd/haobase/main.go
index 0643004..b523592 100644
--- a/cmd/haobase/main.go
+++ b/cmd/haobase/main.go
@@ -17,7 +17,6 @@ import (
 )
 
 func main() {
-	config.App = &config.Configuration{}
 	appm := &cli.App{
 		Name:      "haobase",
 		UsageText: "Issues: https://github.com/yzimhao/trading_engine/issues",
diff --git a/cmd/haomatch/main.go b/cmd/haomatch/main.go
index 41dae2b..f55dbcc 100644
--- a/cmd/haomatch/main.go
+++ b/cmd/haomatch/main.go
@@ -12,7 +12,6 @@ import (
 )
 
 func main() {
-	config.App = &config.Configuration{}
 	appm := &cli.App{
 		Name:      "haomatch",
 		UsageText: "Issues: https://github.com/yzimhao/trading_engine/issues",
diff --git a/cmd/haoquote/main.go b/cmd/haoquote/main.go
index 6719776..b98ea61 100644
--- a/cmd/haoquote/main.go
+++ b/cmd/haoquote/main.go
@@ -12,7 +12,6 @@ import (
 )
 
 func main() {
-	config.App = &config.Configuration{}
 	appm := &cli.App{
 		Name:      "haoquote",
 		UsageText: "Issues: https://github.com/yzimhao/trading_engine/issues",
diff --git a/config/app_config.go b/config/app_config.go
index 15184b8..b958d99 100644
--- a/config/app_config.go
+++ b/config/app_config.go
@@ -4,6 +4,10 @@ var (
 	App *Configuration
 )
 
+func init() {
+	App = &Configuration{}
+}
+
 type ModeType string
 
 const (