修改主题色覆盖不到的地方

app/src/main/java/io/legado/app/ui/book/source/edit/BookSourceEditActivity.kt

@@ -23,6 +23,7 @@ import io.legado.app.data.entities.BookSource
 import io.legado.app.data.entities.rule.*
 import io.legado.app.lib.dialogs.alert
 import io.legado.app.lib.theme.ATH
+import io.legado.app.lib.theme.backgroundColor
 import io.legado.app.ui.book.source.debug.BookSourceDebugActivity
 import io.legado.app.ui.login.SourceLogin
 import io.legado.app.ui.widget.KeyboardToolPop
@@ -122,6 +123,7 @@ class BookSourceEditActivity :
         window.decorView.viewTreeObserver.addOnGlobalLayoutListener(KeyboardOnGlobalChangeListener())
         recycler_view.layoutManager = LinearLayoutManager(this)
         recycler_view.adapter = adapter
+        tab_layout.setBackgroundColor(backgroundColor)
         tab_layout.addOnTabSelectedListener(object : TabLayout.OnTabSelectedListener {
             override fun onTabReselected(tab: TabLayout.Tab?) {