diff --git a/app/src/main/java/io/legato/kazusa/help/update/AppReleaseInfo.kt b/app/src/main/java/io/legato/kazusa/help/update/AppReleaseInfo.kt
index f21252873..b3991117a 100644
--- a/app/src/main/java/io/legato/kazusa/help/update/AppReleaseInfo.kt
+++ b/app/src/main/java/io/legato/kazusa/help/update/AppReleaseInfo.kt
@@ -36,6 +36,11 @@ data class GithubRelease(
     val body: String,
     @SerializedName("prerelease")
     val isPreRelease: Boolean,
+    @SerializedName("tag_name")
+    val tagName: String,
+    val name: String?,
+    @SerializedName("created_at")
+    val createdAt: String?
 ) {
     fun gitReleaseToAppReleaseInfo(): List<AppReleaseInfo> {
         assets ?: throw NoStackTraceException("获取新版本出错")
@@ -45,6 +50,7 @@ data class GithubRelease(
     }
 }
 
+
 @Keep
 data class Asset(
     @SerializedName("browser_download_url")
@@ -67,11 +73,13 @@ data class Asset(
         val instant = Instant.parse(createdAt)
         val timestamp: Long = instant.toEpochMilli()
 
-        val appVariant = when {
-            preRelease && name.contains("release") -> AppVariant.BETA_RELEASE
-            else -> AppVariant.OFFICIAL
+        val appVariant = if (preRelease) {
+            AppVariant.BETA_RELEASE
+        } else {
+            AppVariant.OFFICIAL
         }
 
         return AppReleaseInfo(appVariant, timestamp, note, name, apkUrl, url)
     }
+
 }
diff --git a/app/src/main/java/io/legato/kazusa/help/update/AppUpdateGitHub.kt b/app/src/main/java/io/legato/kazusa/help/update/AppUpdateGitHub.kt
index e5c999cea..e6d8baf74 100644
--- a/app/src/main/java/io/legato/kazusa/help/update/AppUpdateGitHub.kt
+++ b/app/src/main/java/io/legato/kazusa/help/update/AppUpdateGitHub.kt
@@ -1,6 +1,6 @@
 package io.legato.kazusa.help.update
 
-import androidx.annotation.Keep
+import android.util.Log
 import io.legato.kazusa.constant.AppConst
 import io.legato.kazusa.exception.NoStackTraceException
 import io.legato.kazusa.help.config.AppConfig
@@ -13,8 +13,6 @@ import io.legato.kazusa.utils.fromJsonArray
 import io.legato.kazusa.utils.fromJsonObject
 import kotlinx.coroutines.CoroutineScope
 
-@Keep
-@Suppress("unused")
 object AppUpdateGitHub : AppUpdate.AppUpdateInterface {
 
     private val checkVariant: AppVariant
@@ -31,6 +29,8 @@ object AppUpdateGitHub : AppUpdate.AppUpdateInterface {
             "https://api.github.com/repos/HapeLee/legado-with-MD3/releases/latest"
         }
 
+        Log.d("AppUpdate", "checkVariant=$checkVariant, url=$lastReleaseUrl")
+
         val res = okHttpClient.newCallResponse {
             url(lastReleaseUrl)
         }
@@ -41,18 +41,33 @@ object AppUpdateGitHub : AppUpdate.AppUpdateInterface {
         if (body.isBlank()) {
             throw NoStackTraceException("获取新版本出错")
         }
+
         return if (checkVariant.isBeta()) {
-            GSON.fromJsonArray<GithubRelease>(body)
+            val releases = GSON.fromJsonArray<GithubRelease>(body)
                 .getOrElse { throw NoStackTraceException("获取新版本出错 ${it.localizedMessage}") }
-                .filter { it.isPreRelease }
+
+            Log.d("AppUpdate", "beta releases.size=${releases.size}")
+            releases.forEach {
+                Log.d(
+                    "AppUpdate",
+                    "beta release: tag=${it.tagName}, preRelease=${it.isPreRelease}, name=${it.name}"
+                )
+            }
+
+            releases.filter { it.isPreRelease }
                 .flatMap { it.gitReleaseToAppReleaseInfo() }
                 .sortedByDescending { it.createdAt }
+                .also { Log.d("AppUpdate", "filtered beta releases.size=${it.size}") }
         } else {
-            listOf(
-                GSON.fromJsonObject<GithubRelease>(body)
-                    .getOrElse { throw NoStackTraceException("获取新版本出错 ${it.localizedMessage}") }
-                    .gitReleaseToAppReleaseInfo()
-            ).flatten()
+            val release = GSON.fromJsonObject<GithubRelease>(body)
+                .getOrElse { throw NoStackTraceException("获取新版本出错 ${it.localizedMessage}") }
+
+            Log.d(
+                "AppUpdate",
+                "official release: tag=${release.tagName}, preRelease=${release.isPreRelease}, name=${release.name}"
+            )
+
+            release.gitReleaseToAppReleaseInfo()
                 .sortedByDescending { it.createdAt }
         }
     }
@@ -60,11 +75,22 @@ object AppUpdateGitHub : AppUpdate.AppUpdateInterface {
     override fun check(scope: CoroutineScope): Coroutine<AppUpdate.UpdateInfo> {
         return Coroutine.async(scope) {
             val currentVersion = AppConst.appInfo.versionName
+            Log.d("AppUpdate", "currentVersion=$currentVersion, checkVariant=$checkVariant")
+
             val releases = getLatestRelease()
                 .filter { it.appVariant == checkVariant }
 
-            val latest = releases
-                .firstOrNull { it.versionName > currentVersion }
+            Log.d("AppUpdate", "after variant filter releases.size=${releases.size}")
+            releases.forEach {
+                Log.d(
+                    "AppUpdate",
+                    "release: version=${it.versionName}, variant=${it.appVariant}, createdAt=${it.createdAt}"
+                )
+            }
+
+            val latest = releases.firstOrNull { it.versionName.versionCompare(currentVersion) > 0 }
+
+            Log.d("AppUpdate", "latest=${latest?.versionName}")
 
             if (latest != null) {
                 return@async AppUpdate.UpdateInfo(
@@ -79,4 +105,15 @@ object AppUpdateGitHub : AppUpdate.AppUpdateInterface {
         }.timeout(10000)
     }
 
+    fun String.versionCompare(other: String): Int {
+        val thisParts = this.split(".")
+        val otherParts = other.split(".")
+        val maxLength = maxOf(thisParts.size, otherParts.size)
+        for (i in 0 until maxLength) {
+            val thisPart = thisParts.getOrNull(i)?.toIntOrNull() ?: 0
+            val otherPart = otherParts.getOrNull(i)?.toIntOrNull() ?: 0
+            if (thisPart != otherPart) return thisPart - otherPart
+        }
+        return 0
+    }
 }