diff --git a/src/zh/manhuadui/build.gradle b/src/zh/manhuadui/build.gradle
index dbd9b1126..2c374df66 100644
--- a/src/zh/manhuadui/build.gradle
+++ b/src/zh/manhuadui/build.gradle
@@ -5,7 +5,7 @@ ext {
     appName = 'Tachiyomi: Manhuadui'
     pkgNameSuffix = 'zh.manhuadui'
     extClass = '.Manhuadui'
-    extVersionCode = 6
+    extVersionCode = 7
     libVersion = '1.2'
 }
 
diff --git a/src/zh/manhuadui/src/eu/kanade/tachiyomi/extension/zh/manhuadui/Manhuadui.kt b/src/zh/manhuadui/src/eu/kanade/tachiyomi/extension/zh/manhuadui/Manhuadui.kt
index 03a744a83..67d45e941 100644
--- a/src/zh/manhuadui/src/eu/kanade/tachiyomi/extension/zh/manhuadui/Manhuadui.kt
+++ b/src/zh/manhuadui/src/eu/kanade/tachiyomi/extension/zh/manhuadui/Manhuadui.kt
@@ -12,6 +12,7 @@ import eu.kanade.tachiyomi.source.online.ParsedHttpSource
 import javax.crypto.Cipher
 import javax.crypto.spec.IvParameterSpec
 import javax.crypto.spec.SecretKeySpec
+import okhttp3.Headers
 import okhttp3.HttpUrl
 import okhttp3.Request
 import okhttp3.Response
@@ -21,10 +22,10 @@ import org.jsoup.nodes.Element
 class Manhuadui : ParsedHttpSource() {
 
     override val name = "漫画堆"
-    override val baseUrl = "https://www.manhuadui.com"
+    override val baseUrl = "https://www.manhuabei.com"
     override val lang = "zh"
     override val supportsLatest = true
-    val imageServer = arrayOf("https://mhcdn.manhuazj.com", "https://res.333dm.com", "https://res02.333dm.com")
+    private val imageServer = arrayOf("https://mhcdn.manhuazj.com", "https://res.333dm.com", "https://res02.333dm.com")
 
     override fun popularMangaSelector() = "li.list-comic"
     override fun searchMangaSelector() = popularMangaSelector()
@@ -35,7 +36,7 @@ class Manhuadui : ParsedHttpSource() {
     override fun popularMangaNextPageSelector() = searchMangaNextPageSelector()
     override fun latestUpdatesNextPageSelector() = searchMangaNextPageSelector()
 
-    override fun headersBuilder() = super.headersBuilder()
+    override fun headersBuilder(): Headers.Builder = super.headersBuilder()
         .add("Referer", baseUrl)
 
     override fun popularMangaRequest(page: Int) = GET("$baseUrl/list_$page/", headers)
@@ -116,7 +117,7 @@ class Manhuadui : ParsedHttpSource() {
     }
 
     // ref: https://jueyue.iteye.com/blog/1830792
-    fun decryptAES(value: String, key: String, iv: String): String? {
+    private fun decryptAES(value: String, key: String, iv: String): String? {
         try {
             val secretKey = SecretKeySpec(key.toByteArray(), "AES")
             val ivParams = IvParameterSpec(iv.toByteArray())
@@ -133,7 +134,7 @@ class Manhuadui : ParsedHttpSource() {
         return null
     }
 
-    fun decrypt(code: String): String? {
+    private fun decrypt(code: String): String? {
         val key = "123456781234567G"
         val iv = "ABCDEF1G34123412"