diff --git a/app/src/main/java/io/legado/app/help/BookHelp.kt b/app/src/main/java/io/legado/app/help/BookHelp.kt
index 537737c3f..59359fbc7 100644
--- a/app/src/main/java/io/legado/app/help/BookHelp.kt
+++ b/app/src/main/java/io/legado/app/help/BookHelp.kt
@@ -101,7 +101,7 @@ object BookHelp {
         downloadImages.add(src)
         val analyzeUrl = AnalyzeUrl(src)
         try {
-            analyzeUrl.getImageBytes(book.origin)?.let {
+            analyzeUrl.getResponseBytes(book.origin)?.let {
                 FileUtils.createFileIfNotExist(
                     downloadDir,
                     cacheFolderName,
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 3728f4819..a226b46d6 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
@@ -48,21 +48,6 @@ object HttpHelper {
         return null
     }
 
-    fun getBytes(
-        url: String,
-        queryMap: Map<String, String>,
-        headers: Map<String, String>
-    ): ByteArray? {
-        NetworkUtils.getBaseUrl(url)?.let { baseUrl ->
-            return getByteRetrofit(baseUrl)
-                .create(HttpGetApi::class.java)
-                .getMapByte(url, queryMap, headers)
-                .execute()
-                .body()
-        }
-        return null
-    }
-
     suspend fun simpleGetAsync(url: String, encode: String? = null): String? {
         NetworkUtils.getBaseUrl(url)?.let { baseUrl ->
             val response = getApiService<HttpGetApi>(baseUrl, encode)
diff --git a/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeUrl.kt b/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeUrl.kt
index b4401bd39..a4729341e 100644
--- a/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeUrl.kt
+++ b/app/src/main/java/io/legado/app/model/analyzeRule/AnalyzeUrl.kt
@@ -352,18 +352,6 @@ class AnalyzeUrl(
         return Res(NetworkUtils.getUrl(res), res.body())
     }
 
-    fun getImageBytes(tag: String): ByteArray? {
-        val cookie = CookieStore.getCookie(tag)
-        if (cookie.isNotEmpty()) {
-            headerMap["Cookie"] += cookie
-        }
-        return if (fieldMap.isEmpty()) {
-            HttpHelper.getBytes(url, mapOf(), headerMap)
-        } else {
-            HttpHelper.getBytes(url, fieldMap, headerMap)
-        }
-    }
-
     suspend fun getResponseBytes(tag: String? = null): ByteArray? {
         if (tag != null) {
             val cookie = CookieStore.getCookie(tag)