up

app/src/main/java/io/legado/app/help/JsExtensions.kt

@@ -29,7 +29,7 @@ object JsExtensions {
         return EncoderUtils.base64Decoder(str)
     }
 
-    fun base64Encoder(str: String): ByteArray? {
+    fun base64Encoder(str: String): String? {
         return EncoderUtils.base64Encoder(str)
     }
 

app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeRule.kt

@@ -576,7 +576,7 @@ class AnalyzeRule(private var book: BaseBook? = null) {
         return EncoderUtils.base64Decoder(str)
     }
 
-    fun base64Encoder(str: String): ByteArray? {
+    fun base64Encoder(str: String): String? {
         return EncoderUtils.base64Encoder(str)
     }
 

app/src/main/java/io/legado/app/utils/EncoderUtils.kt

@@ -33,7 +33,7 @@ object EncoderUtils {
         }
     }
 
-    fun base64Encoder(str: String): ByteArray? {
+    fun base64Encoder(str: String): String? {
-        return Base64.encode(str.toByteArray(), Base64.DEFAULT)
+        return Base64.encodeToString(str.toByteArray(), Base64.DEFAULT)
     }
 }