diff --git a/sms/api.go b/sms/api.go
index 96199f6..fe74a2a 100644
--- a/sms/api.go
+++ b/sms/api.go
@@ -48,7 +48,7 @@ func SmsSend(engine *xorm.Engine, args map[string]interface{}) error {
 			return err
 		}
 		platformCount := gjson.Get(send, "data.smsNum").Int()
-		if platformCount < count*int(contentLen) {
+		if int(platformCount) < count*int(contentLen) {
 			return errors.New("平台短信不足")
 		}
 	}