diff --git a/weixin/mp_sdk.go b/weixin/mp_sdk.go
index 6d73a44..3cc7876 100644
--- a/weixin/mp_sdk.go
+++ b/weixin/mp_sdk.go
@@ -110,9 +110,6 @@ func (o *MpSdk) GetUnlimitedQRCode(params map[string]interface{}) ([]byte, error
 }
 
 func (o *MpSdk) GetScheme(params map[string]interface{}) (string, error) {
-	if _, ok := params["path"]; !ok {
-		return "", errors.New("path参数缺失")
-	}
 
 	if _, ok := params["env_version"]; !ok {
 		params["env_version"] = "release"