diff --git a/internal/theme/hook.go b/internal/theme/hook.go
index 23ce9c8..3c7fa88 100644
--- a/internal/theme/hook.go
+++ b/internal/theme/hook.go
@@ -11,7 +11,7 @@ import (
 
 var themeMap = map[string]func(int, *gin.Context, gin.H, int, int){}
 
-func AddThemeHookFunc(name string, fn func(int, *gin.Context, gin.H, int, int)) {
+func addThemeHookFunc(name string, fn func(int, *gin.Context, gin.H, int, int)) {
 	if _, ok := themeMap[name]; ok {
 		panic("exists same name theme")
 	}
diff --git a/internal/theme/templateFuncs.go b/internal/theme/templateFuncs.go
index 2c7d0a6..b1f17c4 100644
--- a/internal/theme/templateFuncs.go
+++ b/internal/theme/templateFuncs.go
@@ -23,7 +23,7 @@ func FuncMap() template.FuncMap {
 	return comFn
 }
 
-func AddTemplateFunc(fnName string, fn any) {
+func addTemplateFunc(fnName string, fn any) {
 	if _, ok := comFn[fnName]; ok {
 		panic("exists same name func")
 	}
diff --git a/internal/theme/theme.go b/internal/theme/theme.go
index 67bcd78..bc0e23a 100644
--- a/internal/theme/theme.go
+++ b/internal/theme/theme.go
@@ -7,7 +7,7 @@ import (
 )
 
 func InitThemeAndTemplateFuncMap() {
-	AddThemeHookFunc(twentyseventeen.ThemeName, twentyseventeen.Hook)
+	addThemeHookFunc(twentyseventeen.ThemeName, twentyseventeen.Hook)
 }
 
 func GetTemplateName() string {