diff --git a/platformapi/tiktok/tiktok_pay.go b/platformapi/tiktok/tiktok_pay.go
index de4c33d0..245a4ba2 100644
--- a/platformapi/tiktok/tiktok_pay.go
+++ b/platformapi/tiktok/tiktok_pay.go
@@ -10,7 +10,7 @@ import (
 	"time"
 )
 
-const salt = "@#$!18981810340"
+const salt = "18981810340"
 
 // 获取支付签名
 func (a *API) Sign(paramsMap map[string]interface{}) string {