up

app/src/main/java/io/legado/app/ui/widget/font/FontSelectDialog.kt

@@ -70,6 +70,23 @@ class FontSelectDialog : DialogFragment(),
 
         val fontPath = getPrefString(PreferKey.fontFolder)
         if (fontPath.isNullOrEmpty()) {
+            openFolder()
+        } else {
+            val uri = Uri.parse(fontPath)
+            if (DocumentFile.fromTreeUri(requireContext(), uri)?.canRead() == true) {
+                getFontFiles(uri)
+            } else {
+                openFolder()
+            }
+        }
+    }
+
+    override fun onDestroy() {
+        super.onDestroy()
+        job.cancel()
+    }
+
+    private fun openFolder() {
         try {
             val intent = Intent(Intent.ACTION_OPEN_DOCUMENT_TREE)
             intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION)
@@ -81,15 +98,6 @@ class FontSelectDialog : DialogFragment(),
                 .onGranted { getFontFilesOld() }
                 .request()
         }
-        } else {
-            val uri = Uri.parse(fontPath)
-            getFontFiles(uri)
-        }
-    }
-
-    override fun onDestroy() {
-        super.onDestroy()
-        job.cancel()
     }
 
     @SuppressLint("DefaultLocale")