diff --git a/config/configs.go b/config/configs.go
index 7fd90d9..f228cce 100644
--- a/config/configs.go
+++ b/config/configs.go
@@ -12,14 +12,15 @@ import (
 const (
 	YAML_PATH        = "env/%s"
 	ENV_MODE         = "ENV_MODE"
-	DEFAULT_ENV_MODE = "development"
+	DEFAULT_ENV_MODE = "staging"
 )
 
 var (
 	validEnvMode = map[string]struct{}{
-		"local":       {},
-		"development": {},
-		"production":  {},
+		"local":      {},
+		"staging":    {},
+		"production": {},
+		"debug":      {},
 	}
 )
 
diff --git a/env/development.yaml b/env/local.yaml
similarity index 100%
rename from env/development.yaml
rename to env/local.yaml