diff --git a/sdk-update/src/main/java/com/xuqm/sdk/update/UpdateSDK.kt b/sdk-update/src/main/java/com/xuqm/sdk/update/UpdateSDK.kt
index cae61d2..546cfad 100644
--- a/sdk-update/src/main/java/com/xuqm/sdk/update/UpdateSDK.kt
+++ b/sdk-update/src/main/java/com/xuqm/sdk/update/UpdateSDK.kt
@@ -186,8 +186,7 @@ object UpdateSDK {
         runCatching {
             val response = api.checkUpdate(XuqmSDK.appKey, "ANDROID", versionCode, userId)
             if (response.code == 40404) {
-                Log.w("UpdateSDK", "checkUpdate: 更新服务未开通 (code=40404) [appKey=${XuqmSDK.appKey}]")
-                return@withContext UpdateInfo(needsUpdate = false, serviceActivated = false)
+                throw IllegalStateException("更新服务未开通 (code=40404) [appKey=${XuqmSDK.appKey}]")
             }
             response.data?.toUpdateInfo()?.let { info ->
                 val normalized = info.copy(downloadUrl = normalizeDownloadUrl(info.downloadUrl) ?: info.downloadUrl)
diff --git a/sdk-update/src/main/java/com/xuqm/sdk/update/model/UpdateInfo.kt b/sdk-update/src/main/java/com/xuqm/sdk/update/model/UpdateInfo.kt
index 9a62368..3381246 100644
--- a/sdk-update/src/main/java/com/xuqm/sdk/update/model/UpdateInfo.kt
+++ b/sdk-update/src/main/java/com/xuqm/sdk/update/model/UpdateInfo.kt
@@ -15,6 +15,4 @@ data class UpdateInfo(
     val alreadyDownloaded: Boolean = false,
     /** APK 文件的 SHA-256 哈希值，用于校验本地文件完整性；服务端未返回时为 null */
     val apkHash: String? = null,
-    /** 更新服务是否已开通；false 表示该 appKey 在平台上尚未配置任何版本，服务未开通 */
-    val serviceActivated: Boolean = true,
 )