diff --git a/sd-card/html/readconfigparam.js b/sd-card/html/readconfigparam.js
index 593281ef0..73338274e 100644
--- a/sd-card/html/readconfigparam.js
+++ b/sd-card/html/readconfigparam.js
@@ -515,7 +515,8 @@ function getCamConfig() {
     }
     if (!param["TakeImage"]["CamGainceiling"]["found"]) {
         param["TakeImage"]["CamGainceiling"]["found"] = true;
-        param["TakeImage"]["CamGainceiling"].value1 = '1';
+        // param["TakeImage"]["CamGainceiling"].value1 = '1';
+        param["TakeImage"]["CamGainceiling"].value1 = 'x4';
     }
     if (!param["TakeImage"]["CamQuality"]["found"]) {
         param["TakeImage"]["CamQuality"]["found"] = true;