diff --git a/src/apps/data-transfer/res/linux/deepin-data-transfer.desktop b/src/apps/data-transfer/res/linux/deepin-data-transfer.desktop
index bfe79ff14..b8bc30d6c 100644
--- a/src/apps/data-transfer/res/linux/deepin-data-transfer.desktop
+++ b/src/apps/data-transfer/res/linux/deepin-data-transfer.desktop
@@ -10,6 +10,7 @@ Terminal=false
 Type=Application
 X-Deepin-DEComponent=true
 X-Deepin-Vendor=deepin
+X-Deepin-Singleton=true
 
 # Translations:
 # Do not manually modify!
diff --git a/src/apps/dde-cooperation/res/linux/dde-cooperation.desktop b/src/apps/dde-cooperation/res/linux/dde-cooperation.desktop
index 88ce869bc..a4ec39e1e 100644
--- a/src/apps/dde-cooperation/res/linux/dde-cooperation.desktop
+++ b/src/apps/dde-cooperation/res/linux/dde-cooperation.desktop
@@ -10,6 +10,7 @@ Terminal=false
 Type=Application
 X-Deepin-DEComponent=true
 X-Deepin-Vendor=deepin
+X-Deepin-Singleton=true
 
 # Translations:
 # Do not manually modify!