diff --git a/context.go b/context.go
index 720c425..779484b 100644
--- a/context.go
+++ b/context.go
@@ -159,16 +159,15 @@ func (c *Context) Error(err error) *Error {
 	if err == nil {
 		panic("err is nil")
 	}
-	var parsedError *Error
-	switch err.(type) {
-	case *Error:
-		parsedError = err.(*Error)
-	default:
+
+	parsedError, ok := err.(*Error)
+	if !ok {
 		parsedError = &Error{
 			Err:  err,
 			Type: ErrorTypePrivate,
 		}
 	}
+
 	c.Errors = append(c.Errors, parsedError)
 	return parsedError
 }
diff --git a/ginS/gins.go b/ginS/gins.go
index ee00b38..a7686f2 100644
--- a/ginS/gins.go
+++ b/ginS/gins.go
@@ -128,7 +128,7 @@ func Run(addr ...string) (err error) {
 // RunTLS : The router is attached to a http.Server and starts listening and serving HTTPS requests.
 // It is a shortcut for http.ListenAndServeTLS(addr, certFile, keyFile, router)
 // Note: this method will block the calling goroutine undefinitelly unless an error happens.
-func RunTLS(addr string, certFile string, keyFile string) (err error) {
+func RunTLS(addr, certFile, keyFile string) (err error) {
 	return engine().RunTLS(addr, certFile, keyFile)
 }