diff --git a/zero_buy/api.go b/zero_buy/api.go
index 3d9f6bf..1caa21d 100644
--- a/zero_buy/api.go
+++ b/zero_buy/api.go
@@ -11,9 +11,9 @@ func ZeroBuyUrl(appSecret string, param map[string]string) string {
 	param["deviceID"] = strings.ReplaceAll(param["deviceID"], " ", "")
 	for k, v := range param {
 		if strings.Contains(url, "?") == false {
-			url += "?" + k + "=" + php2go.URLEncode(v)
+			url += "?" + k + "=" + v
 		} else {
-			url += "&" + k + "=" + php2go.URLEncode(v)
+			url += "&" + k + "=" + v
 		}
 	}
 	sign := GetSign(appSecret, param)