diff --git a/index.html b/index.html
index f458779..4011534 100644
--- a/index.html
+++ b/index.html
@@ -29,7 +29,7 @@
        //provSelect1.focus();
        provSelect1.value = "";
        document.getElementById("button1").blur();
-       bridge.call("JSSDK.readQRCode", function(code){
+       bridge.call("JSSDK.readQRCode", "", function(code){
           console.log("hotellog - 扫描结果:" + code);
           provSelect1.value = code;