diff --git a/backend/modules/users/controller.go b/backend/modules/users/controller.go
index cdc50fb..974667d 100644
--- a/backend/modules/users/controller.go
+++ b/backend/modules/users/controller.go
@@ -87,7 +87,7 @@ func (c *Controller) GetChargeCodes(ctx fiber.Ctx) error {
 		Code   string `json:"code"`
 	}
 
-	amount := []int64{1, 5, 10, 20, 50, 100}
+	amount := []int64{10, 20, 50, 100, 200, 300, 500, 1000, 2000}
 	codes := []generateCode{}
 	for _, a := range amount {
 		code, err := c.svc.GenerateChargeCode(ctx.Context(), claim.TenantID, a*100)
diff --git a/backend/providers/uuid/uuid.go b/backend/providers/uuid/uuid.go
deleted file mode 100644
index dc788cf..0000000
--- a/backend/providers/uuid/uuid.go
+++ /dev/null
@@ -1,41 +0,0 @@
-package uuid
-
-import (
-	"git.ipao.vip/rogeecn/atom/container"
-	"git.ipao.vip/rogeecn/atom/utils/opt"
-
-	"github.com/gofrs/uuid"
-)
-
-func DefaultProvider() container.ProviderContainer {
-	return container.ProviderContainer{
-		Provider: Provide,
-		Options:  []opt.Option{},
-	}
-}
-
-type Generator struct {
-	generator uuid.Generator
-}
-
-func Provide(opts ...opt.Option) error {
-	o := opt.New(opts...)
-	return container.Container.Provide(func() (*Generator, error) {
-		return &Generator{
-			generator: uuid.DefaultGenerator,
-		}, nil
-	}, o.DiOptions()...)
-}
-
-func (u *Generator) MustGenerate() string {
-	uuid, _ := u.Generate()
-	return uuid
-}
-
-func (u *Generator) Generate() (string, error) {
-	uuid, err := u.generator.NewV4()
-	if err != nil {
-		return "", err
-	}
-	return uuid.String(), err
-}