diff --git a/src/plugin-qt/ambient-brightness/configs/org.deepin.dde.daemon.ambient-brightness.json b/src/plugin-qt/ambient-brightness/configs/org.deepin.dde.daemon.ambient-brightness.json
index 17dbd491..6b553c84 100644
--- a/src/plugin-qt/ambient-brightness/configs/org.deepin.dde.daemon.ambient-brightness.json
+++ b/src/plugin-qt/ambient-brightness/configs/org.deepin.dde.daemon.ambient-brightness.json
@@ -3,7 +3,7 @@
     "version": "1.0",
     "contents": {
         "ambientLightAdjustBrightness": {
-            "value": true,
+            "value": false,
             "serial": 0,
             "flags": [],
             "name": "Ambient light auto brightness",