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 342d0a1e3..5ae7c286e 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
@@ -7,27 +7,7 @@ import java.util.concurrent.TimeUnit
 
 object HttpHelper {
 
-    val client: OkHttpClient = getOkHttpClient()
-
-    inline fun <reified T> getApiService(baseUrl: String): T {
-        return getRetrofit(baseUrl).create(T::class.java)
-    }
-
-    inline fun <reified T> getApiService(baseUrl: String, encode: String): T {
-        return getRetrofit(baseUrl, encode).create(T::class.java)
-    }
-
-    fun getRetrofit(baseUrl: String, encode: String? = null): Retrofit {
-        return Retrofit.Builder().baseUrl(baseUrl)
-            //增加返回值为字符串的支持(以实体类返回)
-            .addConverterFactory(EncodeConverter.create(encode))
-            //增加返回值为Observable<T>的支持
-            .addCallAdapterFactory(CoroutinesCallAdapterFactory.create())
-            .client(client)
-            .build()
-    }
-
-    private fun getOkHttpClient(): OkHttpClient {
+    val client: OkHttpClient by lazy {
         val default = ConnectionSpec.Builder(ConnectionSpec.MODERN_TLS)
             .tlsVersions(TlsVersion.TLS_1_2)
             .build()
@@ -50,7 +30,25 @@ object HttpHelper {
             .protocols(listOf(Protocol.HTTP_1_1))
             .addInterceptor(getHeaderInterceptor())
 
-        return builder.build()
+        builder.build()
+    }
+
+    inline fun <reified T> getApiService(baseUrl: String): T {
+        return getRetrofit(baseUrl).create(T::class.java)
+    }
+
+    inline fun <reified T> getApiService(baseUrl: String, encode: String): T {
+        return getRetrofit(baseUrl, encode).create(T::class.java)
+    }
+
+    fun getRetrofit(baseUrl: String, encode: String? = null): Retrofit {
+        return Retrofit.Builder().baseUrl(baseUrl)
+            //增加返回值为字符串的支持(以实体类返回)
+            .addConverterFactory(EncodeConverter.create(encode))
+            //增加返回值为Observable<T>的支持
+            .addCallAdapterFactory(CoroutinesCallAdapterFactory.create())
+            .client(client)
+            .build()
     }
 
     private fun getHeaderInterceptor(): Interceptor {
diff --git a/app/src/main/java/io/legado/app/lib/webdav/WebDav.kt b/app/src/main/java/io/legado/app/lib/webdav/WebDav.kt
index f35e41db3..ec1dc573e 100644
--- a/app/src/main/java/io/legado/app/lib/webdav/WebDav.kt
+++ b/app/src/main/java/io/legado/app/lib/webdav/WebDav.kt
@@ -1,10 +1,13 @@
 package io.legado.app.lib.webdav
 
+import io.legado.app.help.http.HttpHelper
 import io.legado.app.lib.webdav.http.Handler
 import io.legado.app.lib.webdav.http.HttpAuth
-import io.legado.app.lib.webdav.http.OkHttp
-import okhttp3.*
+import okhttp3.Credentials
 import okhttp3.MediaType.Companion.toMediaTypeOrNull
+import okhttp3.Request
+import okhttp3.RequestBody
+import okhttp3.Response
 import org.jsoup.Jsoup
 import java.io.File
 import java.io.IOException
@@ -32,7 +35,7 @@ constructor(url: String) {
             return field
         }
 
-    private val okHttpClient: OkHttpClient = OkHttp.okHttpClient
+    private val okHttpClient = HttpHelper.client
 
     val path: String
         get() = url.toString()
diff --git a/app/src/main/java/io/legado/app/lib/webdav/http/OkHttp.kt b/app/src/main/java/io/legado/app/lib/webdav/http/OkHttp.kt
deleted file mode 100644
index 6861deb62..000000000
--- a/app/src/main/java/io/legado/app/lib/webdav/http/OkHttp.kt
+++ /dev/null
@@ -1,7 +0,0 @@
-package io.legado.app.lib.webdav.http
-
-import okhttp3.OkHttpClient
-
-object OkHttp {
-    val okHttpClient: OkHttpClient = OkHttpClient.Builder().build()
-}
\ No newline at end of file