diff --git a/api/requests/OrderSingle.go b/api/requests/OrderSingle.go
index 27deb0d..462db7b 100644
--- a/api/requests/OrderSingle.go
+++ b/api/requests/OrderSingle.go
@@ -37,5 +37,5 @@ type GetOrderSinglePay struct {
 
 // PutOrderSingleAnswer 上传单项答案
 type PutOrderSingleAnswer struct {
-	Answer int `json:"answer" form:"answer" label:"答案" validate:"required"`
+	Answer string `json:"answer" form:"answer" label:"答案" validate:"required"`
 }