diff --git a/gschema/com.deepin.dde.dock.module.gschema.xml b/gschema/com.deepin.dde.dock.module.gschema.xml
index 5e3551f6e..070336506 100644
--- a/gschema/com.deepin.dde.dock.module.gschema.xml
+++ b/gschema/com.deepin.dde.dock.module.gschema.xml
@@ -504,7 +504,7 @@
       <description>Control duration of dock switch in monitors</description>
     </key>
     <key type="b" name="only-show-primary">
-      <default>false</default>
+      <default>true</default>
       <summary></summary>
       <description>Determine to show dock only in primary monitor</description>
     </key>