diff --git a/resources/templates/provision/yealink/t52s/y000000000074.cfg b/resources/templates/provision/yealink/t52s/y000000000074.cfg
index 5a3006d1e0..e3ebcf0f32 100644
--- a/resources/templates/provision/yealink/t52s/y000000000074.cfg
+++ b/resources/templates/provision/yealink/t52s/y000000000074.cfg
@@ -1431,8 +1431,12 @@ features.power_saving.intelligent_mode= {$yealink_powersave_intelligent_mode}
 ##Single File Size: <=5MB 
 ##2MB of space should bereserved for the phone
 
-wallpaper_upload.url= {$yealink_wallpaper_url}
-phone_setting.backgrounds=
+wallpaper_upload.url = {$yealink_t52s_wallpaper}
+{if isset($t52s_wallpaper_filename)}
+phone_setting.backgrounds =  Config:{$t52s_wallpaper_filename}
+{else}
+phone_setting.backgrounds =  Config:yealink_t52s_wallpaper.png
+{/if}
 
 ## phone_setting.backgrounds_with_dsskey_unfold(Only support T48G/S)
 phone_setting.backgrounds_with_dsskey_unfold= {$yealink_wallpaper_dsskey_unfold}