优化

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

@@ -146,7 +146,7 @@ object ReadBook : CoroutineScope by MainScope() {
     }
 
     fun upReadTime() {
-        Coroutine.async {
+        Coroutine.async(executeContext = IO) {
             readRecord.readTime = readRecord.readTime + System.currentTimeMillis() - readStartTime
             readStartTime = System.currentTimeMillis()
             readRecord.lastRead = System.currentTimeMillis()
@@ -537,7 +537,7 @@ object ReadBook : CoroutineScope by MainScope() {
             return
         }
         preDownloadTask?.cancel()
-        preDownloadTask = Coroutine.async {
+        preDownloadTask = Coroutine.async(executeContext = IO) {
             //预下载
             launch {
                 val maxChapterIndex = min(durChapterIndex + AppConfig.preDownloadNum, chapterSize)

app/src/main/java/io/legado/app/receiver/NetworkChangedListener.kt

@@ -36,7 +36,7 @@ class NetworkChangedListener(private val context: Context) {
         return@lazy null
     }
 
-    @SuppressLint("MissingPermission")
+    @SuppressLint("MissingPermission", "UnspecifiedRegisterReceiverFlag")
     fun register() {
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
             networkCallback?.let {

app/src/main/java/io/legado/app/receiver/SharedReceiverActivity.kt

@@ -1,5 +1,6 @@
 package io.legado.app.receiver
 
+import android.annotation.SuppressLint
 import android.content.Intent
 import android.os.Build
 import android.os.Bundle
@@ -19,6 +20,7 @@ class SharedReceiverActivity : AppCompatActivity() {
         finish()
     }
 
+    @SuppressLint("ObsoleteSdkInt")
     private fun initIntent() {
         when {
             intent.action == Intent.ACTION_SEND && intent.type == receivingType -> {

app/src/main/java/io/legado/app/ui/book/info/BookInfoViewModel.kt

@@ -99,7 +99,7 @@ class BookInfoViewModel(application: Application) : BaseViewModel(application) {
 
     private fun upCoverByRule(book: Book) {
         execute {
-            if (book.customCoverUrl.isNullOrBlank()) {
+            if (book.coverUrl.isNullOrBlank() && book.customCoverUrl.isNullOrBlank()) {
                 BookCover.searchCover(book)?.let { coverUrl ->
                     book.customCoverUrl = coverUrl
                     bookData.postValue(book)

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

@@ -237,6 +237,7 @@ class ReadBookActivity : BaseReadBookActivity(),
         binding.readView.upStatusBar()
     }
 
+    @SuppressLint("UnspecifiedRegisterReceiverFlag")
     override fun onResume() {
         super.onResume()
         ReadBook.readStartTime = System.currentTimeMillis()
@@ -1118,8 +1119,7 @@ class ReadBookActivity : BaseReadBookActivity(),
                             }
                         }
                     }.onError {
-                        AppLog.putDebug(it.localizedMessage)
-                        toastOnUi(it.localizedMessage)
+                        AppLog.put("执行购买操作出错\n${it.localizedMessage}", it, true)
                     }
                 }
                 noButton()
@@ -1153,6 +1153,7 @@ class ReadBookActivity : BaseReadBookActivity(),
                     ReadAloud.resume(this)
                 }
             }
+
             else -> ReadAloud.pause(this)
         }
     }