diff --git a/pkg/deploy/deploy.go b/pkg/deploy/default.go
similarity index 59%
rename from pkg/deploy/deploy.go
rename to pkg/deploy/default.go
index 45f5870..0a28168 100644
--- a/pkg/deploy/deploy.go
+++ b/pkg/deploy/default.go
@@ -1,45 +1,7 @@
-//go:generate stringer -type=Mode -linecomment
 package deploy
 
-import (
-	"strings"
-)
-
 var _mode = None
 
-type Mode int
-
-const (
-	None    Mode = iota // none
-	Dev                 // dev
-	Test                // test
-	Uat                 // uat
-	Prod                // prod
-	_maxLen = Prod
-)
-
-// Is is mode equal target.
-func (d Mode) Is(target Mode) bool { return d == target }
-
-// Valid return true if one of dev, test, uat or prod.
-func (d Mode) Valid() bool { return d > None && d <= _maxLen }
-
-// Parse m to Mode
-func Parse(s string) Mode {
-	switch strings.ToLower(s) {
-	case Dev.String():
-		return Dev
-	case Test.String():
-		return Test
-	case Uat.String():
-		return Uat
-	case Prod.String():
-		return Prod
-	default:
-		return None
-	}
-}
-
 // Get is current mode equal target.
 func Is(target Mode) bool { return _mode.Is(target) }
 
diff --git a/pkg/deploy/mode.go b/pkg/deploy/mode.go
new file mode 100644
index 0000000..ebb651e
--- /dev/null
+++ b/pkg/deploy/mode.go
@@ -0,0 +1,39 @@
+//go:generate stringer -type=Mode -linecomment
+package deploy
+
+import (
+	"strings"
+)
+
+type Mode int
+
+const (
+	None    Mode = iota // none
+	Dev                 // dev
+	Test                // test
+	Uat                 // uat
+	Prod                // prod
+	_maxLen = Prod
+)
+
+// Is is mode equal target.
+func (d Mode) Is(target Mode) bool { return d == target }
+
+// Valid return true if one of dev, test, uat or prod.
+func (d Mode) Valid() bool { return d > None && d <= _maxLen }
+
+// Parse m to Mode
+func Parse(s string) Mode {
+	switch strings.ToLower(s) {
+	case Dev.String():
+		return Dev
+	case Test.String():
+		return Test
+	case Uat.String():
+		return Uat
+	case Prod.String():
+		return Prod
+	default:
+		return None
+	}
+}