diff --git a/misc/dsg-configs/org.deepin.Display.json b/misc/dsg-configs/org.deepin.Display.json
index df77f781c..53c2ec1a4 100644
--- a/misc/dsg-configs/org.deepin.Display.json
+++ b/misc/dsg-configs/org.deepin.Display.json
@@ -14,7 +14,7 @@
       "visibility": "private"
     },
     "defaultTemperatureManual": {
-      "value": 3500,
+      "value": 6500,
       "serial": 0,
       "flags": [],
       "name": "default temperature manual",