优化

app/src/main/java/io/legado/app/help/storage/AppWebDav.kt

@@ -38,7 +38,7 @@ object AppWebDav {
             return url
         }
 
-    private suspend fun initWebDav(): Boolean {
+    suspend fun initWebDav(): Boolean {
         val account = appCtx.getPrefString(PreferKey.webDavAccount)
         val password = appCtx.getPrefString(PreferKey.webDavPassword)
         if (!account.isNullOrBlank() && !password.isNullOrBlank()) {

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

@@ -51,11 +51,8 @@ import io.legado.app.ui.replace.ReplaceRuleActivity
 import io.legado.app.ui.replace.edit.ReplaceEditActivity
 import io.legado.app.ui.widget.dialog.TextDialog
 import io.legado.app.utils.*
+import kotlinx.coroutines.*
 import kotlinx.coroutines.Dispatchers.IO
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.isActive
-import kotlinx.coroutines.launch
 
 class ReadBookActivity : ReadBookBaseActivity(),
     View.OnTouchListener,
@@ -210,6 +207,10 @@ class ReadBookActivity : ReadBookBaseActivity(),
                     }
                 }
             }
+            launch {
+                menu.findItem(R.id.menu_get_progress)?.isVisible =
+                    withContext(IO) { AppWebDav.initWebDav() }
+            }
         }
     }