diff --git a/app/src/main/java/io/legado/app/ui/book/login/SourceLoginDialog.kt b/app/src/main/java/io/legado/app/ui/book/login/SourceLoginDialog.kt
index c75060bff..83713991a 100644
--- a/app/src/main/java/io/legado/app/ui/book/login/SourceLoginDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/book/login/SourceLoginDialog.kt
@@ -2,17 +2,20 @@ package io.legado.app.ui.book.login
 
 import android.os.Bundle
 import android.text.InputType
+import android.util.Base64
 import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import io.legado.app.R
 import io.legado.app.base.BaseDialogFragment
+import io.legado.app.constant.AppConst
 import io.legado.app.data.entities.rule.LoginRule
 import io.legado.app.databinding.DialogLoginBinding
 import io.legado.app.help.CacheManager
 import io.legado.app.lib.theme.primaryColor
 import io.legado.app.ui.widget.text.EditText
 import io.legado.app.ui.widget.text.TextInputLayout
+import io.legado.app.utils.EncoderUtils
 import io.legado.app.utils.GSON
 import io.legado.app.utils.applyTint
 import io.legado.app.utils.viewbindingdelegate.viewBinding
@@ -63,6 +66,13 @@ class SourceLoginDialog : BaseDialogFragment() {
                             }
                         }
                     }
+                    val data = Base64.encodeToString(
+                        EncoderUtils.decryptAES(
+                            GSON.toJson(loginData).toByteArray(),
+                            AppConst.androidId.toByteArray()
+                        ),
+                        Base64.DEFAULT
+                    )
                     CacheManager.put("login_$sourceUrl", GSON.toJson(loginData))
                 }
             }
@@ -70,5 +80,4 @@ class SourceLoginDialog : BaseDialogFragment() {
         }
     }
 
-
 }
\ No newline at end of file
diff --git a/app/src/main/java/io/legado/app/utils/EncoderUtils.kt b/app/src/main/java/io/legado/app/utils/EncoderUtils.kt
index aafdb0d98..504d4a9c1 100644
--- a/app/src/main/java/io/legado/app/utils/EncoderUtils.kt
+++ b/app/src/main/java/io/legado/app/utils/EncoderUtils.kt
@@ -92,8 +92,8 @@ object EncoderUtils {
     fun decryptBase64AES(
         data: ByteArray?,
         key: ByteArray?,
-        transformation: String?,
-        iv: ByteArray?
+        transformation: String = "DES/CBC/PKCS5Padding",
+        iv: ByteArray? = null
     ): ByteArray? {
         return decryptAES(Base64.decode(data, Base64.NO_WRAP), key, transformation, iv)
     }
@@ -111,10 +111,10 @@ object EncoderUtils {
     fun decryptAES(
         data: ByteArray?,
         key: ByteArray?,
-        transformation: String?,
-        iv: ByteArray?
+        transformation: String = "DES/CBC/PKCS5Padding",
+        iv: ByteArray? = null
     ): ByteArray? {
-        return symmetricTemplate(data, key, "AES", transformation!!, iv, false)
+        return symmetricTemplate(data, key, "AES", transformation, iv, false)
     }
 
 
@@ -128,7 +128,7 @@ object EncoderUtils {
      * @param isEncrypt      True to encrypt, false otherwise.
      * @return the bytes of symmetric encryption or decryption
      */
-
+    @Suppress("SameParameterValue")
     private fun symmetricTemplate(
         data: ByteArray?,
         key: ByteArray?,
@@ -137,7 +137,8 @@ object EncoderUtils {
         iv: ByteArray?,
         isEncrypt: Boolean
     ): ByteArray? {
-        return if (data == null || data.isEmpty() || key == null || key.isEmpty()) null else try {
+        return if (data == null || data.isEmpty() || key == null || key.isEmpty()) null
+        else try {
             val keySpec = SecretKeySpec(key, algorithm)
             val cipher = Cipher.getInstance(transformation)
             if (iv == null || iv.isEmpty()) {