diff --git a/app/proguard-rules.pro b/app/proguard-rules.pro
index 9813dc3d8..c88ae23e2 100644
--- a/app/proguard-rules.pro
+++ b/app/proguard-rules.pro
@@ -146,36 +146,13 @@
 -keep class **.data.entities.**{*;}
 # hutool-core hutool-crypto
 -keep class
-!cn.hutool.core.io.**,
-!cn.hutool.core.img.**,
-!cn.hutool.core.map.**,
-!cn.hutool.core.date.**,
-!cn.hutool.core.bean.**,
-!cn.hutool.core.text.**,
-!cn.hutool.core.swing.**,
-!cn.hutool.core.clone.**,
-!cn.hutool.core.thread.**,
-!cn.hutool.core.stream.**,
-!cn.hutool.core.builder.**,
-!cn.hutool.core.convert.**,
-!cn.hutool.core.compiler.**,
-!cn.hutool.core.annotation.**,
-!cn.hutool.core.comparator.**,
-!cn.hutool.core.lang.ansi.**,
-!cn.hutool.core.lang.reflect.**,
-!cn.hutool.core.lang.intern.**,
-!cn.hutool.core.lang.loader.**,
-!cn.hutool.core.lang.mutable.**,
-!cn.hutool.core.lang.tree.**,
-!cn.hutool.core.lang.JarClassLoader,
-!cn.hutool.core.lang.ResourceClassLoader,
-!cn.hutool.core.lang.Singleton,
 !cn.hutool.core.util.RuntimeUtil,
 !cn.hutool.core.util.ClassLoaderUtil,
 !cn.hutool.core.util.ReflectUtil,
 !cn.hutool.core.util.SerializeUtil,
 !cn.hutool.core.util.ClassUtil,
-cn.hutool.core.**{*;}
+cn.hutool.core.codec.**,
+cn.hutool.core.util.**{*;}
 -keep class cn.hutool.crypto.**{*;}
 -dontwarn cn.hutool.**
 # 缓存 Cookie
diff --git a/app/src/main/java/io/legado/app/help/CacheManager.kt b/app/src/main/java/io/legado/app/help/CacheManager.kt
index 3ae32e2bc..366174567 100644
--- a/app/src/main/java/io/legado/app/help/CacheManager.kt
+++ b/app/src/main/java/io/legado/app/help/CacheManager.kt
@@ -1,5 +1,6 @@
 package io.legado.app.help
 
+import androidx.annotation.Keep
 import androidx.collection.LruCache
 import io.legado.app.data.appDb
 import io.legado.app.data.entities.Cache
@@ -7,6 +8,7 @@ import io.legado.app.model.analyzeRule.QueryTTF
 import io.legado.app.utils.ACache
 import io.legado.app.utils.memorySize
 
+@Keep
 @Suppress("unused")
 object CacheManager {
 
diff --git a/app/src/main/java/io/legado/app/help/JsEncodeUtils.kt b/app/src/main/java/io/legado/app/help/JsEncodeUtils.kt
index 3f3e0e3f8..a76ef2f76 100644
--- a/app/src/main/java/io/legado/app/help/JsEncodeUtils.kt
+++ b/app/src/main/java/io/legado/app/help/JsEncodeUtils.kt
@@ -13,6 +13,7 @@ import io.legado.app.utils.MD5Utils
  * js加解密扩展类, 在js中通过java变量调用
  * 添加方法，请更新文档/legado/app/src/main/assets/help/JsHelp.md
  */
+@Suppress("unused")
 interface JsEncodeUtils {
 
     fun md5Encode(str: String): String {
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 fd689c062..9059a1457 100644
--- a/app/src/main/java/io/legado/app/help/JsExtensions.kt
+++ b/app/src/main/java/io/legado/app/help/JsExtensions.kt
@@ -12,6 +12,7 @@ import io.legado.app.constant.AppLog
 import io.legado.app.constant.AppPattern
 import io.legado.app.data.entities.BaseSource
 import io.legado.app.exception.NoStackTraceException
+import io.legado.app.help.config.AppConfig
 import io.legado.app.help.http.BackstageWebView
 import io.legado.app.help.http.CookieManager.cookieJarHeader
 import io.legado.app.help.http.CookieStore
@@ -41,6 +42,7 @@ import io.legado.app.utils.isAbsUrl
 import io.legado.app.utils.isContentScheme
 import io.legado.app.utils.isUri
 import io.legado.app.utils.longToastOnUi
+import io.legado.app.utils.mapParallel
 import io.legado.app.utils.readBytes
 import io.legado.app.utils.readText
 import io.legado.app.utils.stackTraceStr
@@ -48,7 +50,9 @@ import io.legado.app.utils.startActivity
 import io.legado.app.utils.toStringArray
 import io.legado.app.utils.toastOnUi
 import kotlinx.coroutines.Dispatchers.IO
-import kotlinx.coroutines.async
+import kotlinx.coroutines.flow.asFlow
+import kotlinx.coroutines.flow.flowOn
+import kotlinx.coroutines.flow.toList
 import kotlinx.coroutines.runBlocking
 import okio.use
 import org.jsoup.Connection
@@ -114,19 +118,12 @@ interface JsExtensions : JsEncodeUtils {
     /**
      * 并发访问网络
      */
-    fun ajaxAll(urlList: Array<String>): Array<StrResponse?> {
+    fun ajaxAll(urlList: Array<String>): Array<StrResponse> {
         return runBlocking(context) {
-            val asyncArray = Array(urlList.size) {
-                async(IO) {
-                    val url = urlList[it]
-                    val analyzeUrl = AnalyzeUrl(url, source = getSource())
-                    analyzeUrl.getStrResponseAwait()
-                }
-            }
-            val resArray = Array<StrResponse?>(urlList.size) {
-                asyncArray[it].await()
-            }
-            resArray
+            urlList.asFlow().mapParallel(AppConfig.threadCount) { url ->
+                val analyzeUrl = AnalyzeUrl(url, source = getSource())
+                analyzeUrl.getStrResponseAwait()
+            }.flowOn(IO).toList().toTypedArray()
         }
     }
 
diff --git a/app/src/main/java/io/legado/app/help/http/CookieStore.kt b/app/src/main/java/io/legado/app/help/http/CookieStore.kt
index 88a52e86c..63ee8a943 100644
--- a/app/src/main/java/io/legado/app/help/http/CookieStore.kt
+++ b/app/src/main/java/io/legado/app/help/http/CookieStore.kt
@@ -3,6 +3,7 @@
 package io.legado.app.help.http
 
 import android.text.TextUtils
+import androidx.annotation.Keep
 import io.legado.app.constant.AppLog
 import io.legado.app.constant.AppPattern.equalsRegex
 import io.legado.app.constant.AppPattern.semicolonRegex
@@ -15,6 +16,7 @@ import io.legado.app.help.http.api.CookieManagerInterface
 import io.legado.app.utils.NetworkUtils
 import io.legado.app.utils.removeCookie
 
+@Keep
 object CookieStore : CookieManagerInterface {
 
     /**
diff --git a/app/src/main/java/io/legado/app/help/http/HttpHelper.kt b/app/src/main/java/io/legado/app/help/http/HttpHelper.kt
index 37fd6401a..4cd581a3d 100644
--- a/app/src/main/java/io/legado/app/help/http/HttpHelper.kt
+++ b/app/src/main/java/io/legado/app/help/http/HttpHelper.kt
@@ -13,7 +13,6 @@ import okhttp3.Cookie
 import okhttp3.CookieJar
 import okhttp3.Credentials
 import okhttp3.HttpUrl
-import okhttp3.Interceptor
 import okhttp3.OkHttpClient
 import java.net.InetSocketAddress
 import java.net.Proxy
@@ -68,7 +67,7 @@ val okHttpClient: OkHttpClient by lazy {
         .followRedirects(true)
         .followSslRedirects(true)
         .addInterceptor(OkHttpExceptionInterceptor)
-        .addInterceptor(Interceptor { chain ->
+        .addInterceptor { chain ->
             val request = chain.request()
             val builder = request.newBuilder()
             if (request.header(AppConst.UA_NAME) == null) {
@@ -80,7 +79,7 @@ val okHttpClient: OkHttpClient by lazy {
             builder.addHeader("Connection", "Keep-Alive")
             builder.addHeader("Cache-Control", "no-cache")
             chain.proceed(builder.build())
-        })
+        }
         .addNetworkInterceptor { chain ->
             var request = chain.request()
             val enableCookieJar = request.header(cookieJarHeader) != null
diff --git a/app/src/main/java/io/legado/app/help/http/StrResponse.kt b/app/src/main/java/io/legado/app/help/http/StrResponse.kt
index 0e11ea3db..46fed6291 100644
--- a/app/src/main/java/io/legado/app/help/http/StrResponse.kt
+++ b/app/src/main/java/io/legado/app/help/http/StrResponse.kt
@@ -1,11 +1,17 @@
 package io.legado.app.help.http
 
-import okhttp3.*
+import androidx.annotation.Keep
+import okhttp3.Headers
+import okhttp3.Protocol
+import okhttp3.Request
+import okhttp3.Response
 import okhttp3.Response.Builder
+import okhttp3.ResponseBody
 
 /**
  * An HTTP response.
  */
+@Keep
 @Suppress("unused", "MemberVisibilityCanBePrivate")
 class StrResponse {
     var raw: Response