diff --git a/src/effects/multitaskview/multitaskview.cpp b/src/effects/multitaskview/multitaskview.cpp
index 268bc42..d41f7bf 100644
--- a/src/effects/multitaskview/multitaskview.cpp
+++ b/src/effects/multitaskview/multitaskview.cpp
@@ -50,8 +50,8 @@
 #define SCISSOR_HOFFD 400
 
 const char screen_recorder[] = "deepin-screen-recorder deepin-screen-recorder";
-const char fallback_background_name[] = "file:///usr/share/wallpapers/deepin/desktop.jpg";
-const char previous_default_background_name[] = "file:///usr/share/backgrounds/default_background.jpg";
+const char fallback_background_name[] = "file:///run/current-system/sw/share/wallpapers/deepin/desktop.jpg";
+const char previous_default_background_name[] = "file:///run/current-system/sw/share/backgrounds/default_background.jpg";
 const char add_workspace_png[] = ":/effects/multitaskview/buttons/add-light.png";//":/resources/themes/add-light.svg";
 const char delete_workspace_png[] = ":/effects/multitaskview/buttons/workspace_delete.png";