From 6e4323f247e1012d15d2aa9e5efac8a0efb65dc3 Mon Sep 17 00:00:00 2001
From: gedoor <gekunfei@live.com>
Date: Fri, 13 Nov 2020 08:59:16 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BC=98=E5=8C=96?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 app/src/main/java/io/legado/app/help/JsExtensions.kt | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/app/src/main/java/io/legado/app/help/JsExtensions.kt b/app/src/main/java/io/legado/app/help/JsExtensions.kt
index 22fbd5fcf..642905691 100644
--- a/app/src/main/java/io/legado/app/help/JsExtensions.kt
+++ b/app/src/main/java/io/legado/app/help/JsExtensions.kt
@@ -192,11 +192,17 @@ interface JsExtensions {
         return str.htmlFormat()
     }
 
-    fun base64DecodeToByteArray(str: String): ByteArray {
+    fun base64DecodeToByteArray(str: String?): ByteArray? {
+        if (str.isNullOrBlank()) {
+            return null
+        }
         return Base64.decode(str, Base64.DEFAULT)
     }
 
-    fun base64DecodeToByteArray(str: String, flags: Int): ByteArray {
+    fun base64DecodeToByteArray(str: String?, flags: Int): ByteArray? {
+        if (str.isNullOrBlank()) {
+            return null
+        }
         return Base64.decode(str, flags)
     }