chore: remove fmt.Println

internal/cli/action.go

@@ -1,8 +1,6 @@
 package cli
 
 import (
-	"fmt"
-
 	"github.com/urfave/cli/v2"
 )
 
@@ -33,7 +31,6 @@ func (a *action) Run(c *cli.Context) error {
 			return err
 		}
 
-		fmt.Println("Error: -w or -d must required one")
 		return nil
 	}
 

internal/cli/app.go

@@ -16,7 +16,7 @@ const (
 	flagListUsage = "list files will be changed"
 
 	flagWriteName  = "write"
-	flagWriteUsage = "actually write changes to (source) files"
+	flagWriteUsage = "actually write changes to (source) files, conflicts with -d, only one of -w or -d can be used"
 
 	// If both write and diff is exist
 	// Choose diff