开放全局背景图片功能

app/src/main/java/io/legado/app/base/BaseActivity.kt

@@ -172,14 +172,12 @@ abstract class BaseActivity<VB : ViewBinding>(
                 ATH.applyBackgroundTint(window.decorView)
             }
         }
-        if (AppConfig.isGooglePlay) {
         ThemeConfig.getBgImage(this)?.let {
             kotlin.runCatching {
                 window.decorView.background = it
             }
         }
     }
-    }
 
     private fun setupSystemBar() {
         if (fullScreen && !isInMultiWindow) {