diff --git a/otosaas/callback.go b/otosaas/callback.go
index bb68a2e..214f334 100644
--- a/otosaas/callback.go
+++ b/otosaas/callback.go
@@ -9,7 +9,7 @@ type callback struct {
 }
 
 // OtoSaas @Title 海旅回调
-func (c *category) OtoSaas(ctx context.Context, args string) (reply string, err error) {
+func (c *callback) OtoSaas(ctx context.Context, args string) (reply string, err error) {
 	xClient, err := client.GetClient(c)
 	if err != nil {
 		return
@@ -19,7 +19,7 @@ func (c *category) OtoSaas(ctx context.Context, args string) (reply string, err
 }
 
 // Kuaidi100 @Title 快递100回调
-func (c *category) Kuaidi100(ctx context.Context, args string) (reply string, err error) {
+func (c *callback) Kuaidi100(ctx context.Context, args string) (reply string, err error) {
 	xClient, err := client.GetClient(c)
 	if err != nil {
 		return