优化

app/src/main/java/io/legado/app/data/dao/BookSourceDao.kt

@@ -98,7 +98,7 @@ interface BookSourceDao {
         and trim(bookSourceGroup) <> ''
         order by customOrder"""
     )
-    fun flowExploreGroup(): Flow<List<String>>
+    fun flowExploreGroupUnProcessed(): Flow<List<String>>
 
     @Query("select * from book_sources where bookSourceGroup like '%' || :group || '%'")
     fun getByGroup(group: String): List<BookSource>
@@ -180,4 +180,10 @@ interface BookSourceDao {
             dealGroups(list)
         }
     }
+
+    fun flowExploreGroup(): Flow<List<String>> {
+        return flowExploreGroupUnProcessed().map { list ->
+            dealGroups(list)
+        }
+    }
 }

app/src/main/java/io/legado/app/ui/main/explore/ExploreFragment.kt

@@ -14,7 +14,6 @@ import androidx.recyclerview.widget.RecyclerView
 import io.legado.app.R
 import io.legado.app.base.VMBaseFragment
 import io.legado.app.constant.AppLog
-import io.legado.app.constant.AppPattern
 import io.legado.app.data.appDb
 import io.legado.app.data.entities.BookSource
 import io.legado.app.databinding.FragmentExploreBinding
@@ -23,7 +22,10 @@ import io.legado.app.lib.theme.primaryColor
 import io.legado.app.lib.theme.primaryTextColor
 import io.legado.app.ui.book.explore.ExploreShowActivity
 import io.legado.app.ui.book.source.edit.BookSourceEditActivity
-import io.legado.app.utils.*
+import io.legado.app.utils.applyTint
+import io.legado.app.utils.cnCompare
+import io.legado.app.utils.setEdgeEffectColor
+import io.legado.app.utils.startActivity
 import io.legado.app.utils.viewbindingdelegate.viewBinding
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Job
@@ -106,9 +108,7 @@ class ExploreFragment : VMBaseFragment<ExploreViewModel>(R.layout.fragment_explo
         launch {
             appDb.bookSourceDao.flowExploreGroup().conflate().collect {
                 groups.clear()
-                it.map { group ->
+                groups.addAll(it)
-                    groups.addAll(group.splitNotBlank(AppPattern.splitGroupRegex))
-                }
                 upGroupsMenu()
             }
         }