优化

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

@@ -1,6 +1,10 @@
 package io.legado.app.data.dao
 
-import androidx.room.*
+import androidx.room.Dao
+import androidx.room.Insert
+import androidx.room.OnConflictStrategy
+import androidx.room.Query
+import androidx.room.Update
 import io.legado.app.data.entities.BookChapter
 
 @Dao
@@ -28,7 +32,7 @@ interface BookChapterDao {
     fun insert(vararg bookChapter: BookChapter)
 
     @Update
-    fun upDate(vararg bookChapter: BookChapter)
+    fun update(vararg bookChapter: BookChapter)
 
     @Query("delete from chapters where bookUrl = :bookUrl")
     fun delByBook(bookUrl: String)

app/src/main/java/io/legado/app/data/entities/BookChapter.kt

@@ -1,5 +1,6 @@
 package io.legado.app.data.entities
 
+import android.annotation.SuppressLint
 import android.os.Parcelable
 import androidx.room.Entity
 import androidx.room.ForeignKey
@@ -64,11 +65,9 @@ data class BookChapter(
         GSON.fromJsonObject<HashMap<String, String>>(variable).getOrNull() ?: hashMapOf()
     }
 
-    @delegate:Ignore
+    @Ignore
     @IgnoredOnParcel
-    private val titleMD5: String by lazy {
-        MD5Utils.md5Encode16(title)
-    }
+    var titleMD5: String? = null
 
     override fun putVariable(key: String, value: String?): Boolean {
         if (super.putVariable(key, value)) {
@@ -158,12 +157,24 @@ data class BookChapter(
         }
     }
 
-    @Suppress("unused")
-    fun getFileName(suffix: String = "nb"): String =
-        String.format("%05d-%s.%s", index, titleMD5, suffix)
-
+    private fun ensureTitleMD5Init() {
+        if (titleMD5 == null) {
+            titleMD5 = MD5Utils.md5Encode16(title)
+        }
+    }
 
+    @SuppressLint("DefaultLocale")
     @Suppress("unused")
-    fun getFontName(): String = String.format("%05d-%s.ttf", index, titleMD5)
+    fun getFileName(suffix: String = "nb"): String {
+        ensureTitleMD5Init()
+        return String.format("%05d-%s.%s", index, titleMD5, suffix)
+    }
+
+    @SuppressLint("DefaultLocale")
+    @Suppress("unused")
+    fun getFontName(): String {
+        ensureTitleMD5Init()
+        return String.format("%05d-%s.ttf", index, titleMD5)
+    }
 }
 

app/src/main/java/io/legado/app/model/AudioPlay.kt

@@ -183,7 +183,7 @@ object AudioPlay {
         Coroutine.async {
             durChapter?.let {
                 it.end = audioSize
-                appDb.bookChapterDao.upDate(it)
+                appDb.bookChapterDao.update(it)
             }
         }
     }

app/src/main/java/io/legado/app/model/webBook/BookContent.kt

@@ -69,7 +69,8 @@ object BookContent {
             }.getOrNull()
             if (!title.isNullOrBlank()) {
                 bookChapter.title = title
-                appDb.bookChapterDao.upDate(bookChapter)
+                bookChapter.titleMD5 = null
+                appDb.bookChapterDao.update(bookChapter)
             }
         }
         var contentData = analyzeContent(

app/src/main/java/io/legado/app/ui/book/read/ContentEditDialog.kt

@@ -106,7 +106,7 @@ class ContentEditDialog : BaseDialogFragment(R.layout.dialog_content_edit) {
                 chapter.title = alertBinding.editView.text.toString()
                 lifecycleScope.launch {
                     withContext(IO) {
-                        appDb.bookChapterDao.upDate(chapter)
+                        appDb.bookChapterDao.update(chapter)
                     }
                     binding.toolBar.title = chapter.getDisplayTitle()
                     ReadBook.loadContent(ReadBook.durChapterIndex, resetPageOffset = false)