diff --git a/app/src/main/java/io/legado/app/help/http/SSLHelper.kt b/app/src/main/java/io/legado/app/help/http/SSLHelper.kt
index 1d95aae58..800304b62 100644
--- a/app/src/main/java/io/legado/app/help/http/SSLHelper.kt
+++ b/app/src/main/java/io/legado/app/help/http/SSLHelper.kt
@@ -139,7 +139,7 @@ object SSLHelper {
         val keyStore = KeyStore.getInstance(KeyStore.getDefaultType())
         keyStore.load(null)
         for ((index, certStream) in certificates.withIndex()) {
-            val certificateAlias = Integer.toString(index)
+            val certificateAlias = index.toString()
             // 证书工厂根据证书文件的流生成证书 cert
             val cert = certificateFactory.generateCertificate(certStream)
             // 将 cert 作为可信证书放入到keyStore中
diff --git a/app/src/main/java/io/legado/app/ui/widget/font/FontSelectDialog.kt b/app/src/main/java/io/legado/app/ui/widget/font/FontSelectDialog.kt
index 79d3c9512..47d4ac1a1 100644
--- a/app/src/main/java/io/legado/app/ui/widget/font/FontSelectDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/widget/font/FontSelectDialog.kt
@@ -34,7 +34,7 @@ class FontSelectDialog : DialogFragment(),
     Toolbar.OnMenuItemClickListener,
     CoroutineScope,
     FontAdapter.CallBack {
-    lateinit var job: Job
+    private lateinit var job: Job
     private val fontFolderRequestCode = 35485
     private val fontFolder =
         App.INSTANCE.filesDir.absolutePath + File.separator + "Fonts" + File.separator