优化

app/src/main/java/io/legado/app/help/config/AppConfig.kt

@@ -36,6 +36,7 @@ object AppConfig : SharedPreferences.OnSharedPreferenceChangeListener {
     var clickActionBC = appCtx.getPrefInt(PreferKey.clickActionBC, 1)
     var clickActionBR = appCtx.getPrefInt(PreferKey.clickActionBR, 1)
     var themeMode = appCtx.getPrefString(PreferKey.themeMode, "0")
+    var useDefaultCover = appCtx.getPrefBoolean(PreferKey.useDefaultCover, false)
 
     override fun onSharedPreferenceChanged(sharedPreferences: SharedPreferences?, key: String?) {
         when (key) {
@@ -43,6 +44,7 @@ object AppConfig : SharedPreferences.OnSharedPreferenceChangeListener {
                 themeMode = appCtx.getPrefString(PreferKey.themeMode, "0")
                 isEInkMode = themeMode == "3"
             }
+
             PreferKey.clickActionTL -> clickActionTL =
                 appCtx.getPrefInt(PreferKey.clickActionTL, 2)
 
@@ -80,6 +82,9 @@ object AppConfig : SharedPreferences.OnSharedPreferenceChangeListener {
 
             PreferKey.antiAlias -> useAntiAlias = appCtx.getPrefBoolean(PreferKey.antiAlias)
 
+            PreferKey.useDefaultCover -> useDefaultCover =
+                appCtx.getPrefBoolean(PreferKey.useDefaultCover, false)
+
         }
     }
 
@@ -132,9 +137,6 @@ object AppConfig : SharedPreferences.OnSharedPreferenceChangeListener {
             }
         }
 
-    val useDefaultCover: Boolean
-        get() = appCtx.getPrefBoolean(PreferKey.useDefaultCover, false)
-
     val isTransparentStatusBar: Boolean
         get() = appCtx.getPrefBoolean(PreferKey.transparentStatusBar, true)
 

app/src/main/java/io/legado/app/ui/main/bookshelf/style1/books/BooksAdapterList.kt

@@ -79,7 +79,10 @@ class BooksAdapterList(
 
     private fun upLastUpdateTime(binding: ItemBookshelfListBinding, item: Book) {
         if (AppConfig.showLastUpdateTime && !item.isLocal) {
-            binding.tvLastUpdateTime.text = item.latestChapterTime.toTimeAgo()
+            val time = item.latestChapterTime.toTimeAgo()
+            if (binding.tvLastUpdateTime.text != time) {
+                binding.tvLastUpdateTime.text = time
+            }
         } else {
             binding.tvLastUpdateTime.text = ""
         }