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 dc61a8f0e..964708b48 100644
--- a/app/src/main/java/io/legado/app/help/JsExtensions.kt
+++ b/app/src/main/java/io/legado/app/help/JsExtensions.kt
@@ -4,6 +4,7 @@ import android.net.Uri
 import android.util.Base64
 import androidx.annotation.Keep
 import io.legado.app.BuildConfig
+import io.legado.app.constant.AppConst
 import io.legado.app.constant.AppConst.dateFormat
 import io.legado.app.data.entities.BaseSource
 import io.legado.app.help.http.*
@@ -644,4 +645,8 @@ interface JsExtensions {
         return aesEncodeToBase64ByteArray(data, key, transformation, iv)?.let { String(it) }
     }
 
+    fun android(): String {
+        return AppConst.androidId
+    }
+
 }