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 3f40cfbe0..067435ddb 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
@@ -6,13 +6,13 @@ import com.franmontiel.persistentcookiejar.persistence.SerializableCookie
 import io.legado.app.App
 import io.legado.app.data.entities.Cookie
 import io.legado.app.help.coroutine.Coroutine
-
+import io.legado.app.utils.NetworkUtils
 
 object CookieStore : CookiePersistor {
 
     fun setCookie(url: String, cookie: String?) {
         Coroutine.async {
-            val cookieBean = Cookie(url, cookie ?: "")
+            val cookieBean = Cookie(NetworkUtils.getSubDomain(url), cookie ?: "")
             App.db.cookieDao().insert(cookieBean)
         }
     }
@@ -33,12 +33,12 @@ object CookieStore : CookiePersistor {
     }
 
     fun getCookie(url: String): String {
-        val cookieBean = App.db.cookieDao().get(url)
+        val cookieBean = App.db.cookieDao().get(NetworkUtils.getSubDomain(url))
         return cookieBean?.cookie ?: ""
     }
 
     fun removeCookie(url: String) {
-        App.db.cookieDao().delete(url)
+        App.db.cookieDao().delete(NetworkUtils.getSubDomain(url))
     }
 
     private fun cookieToMap(cookie: String): MutableMap<String, String> {
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 56b1f1c0e..561e3a320 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
@@ -348,21 +348,9 @@ class AnalyzeUrl(
 
     @Throws(Exception::class)
     fun getImageBytes(tag: String): ByteArray? {
-        //资源为本站的资源，保留cookie
-        //图片盗链的不保留当前的cookie，可由js生成图片源站的cookie
         val cookie = CookieStore.getCookie(tag)
-        NetworkUtils.getBaseUrl(url)?.let {
-            val regex: Any
-            regex = if (it.lastIndexOf(".") != it.indexOf(".")) {
-                it.substring(it.indexOf(".") + 1).toRegex()
-            } else {
-                it.substring(it.lastIndexOf("/") + 1).toRegex()
-            }
-            if (regex.containsMatchIn(tag)) {
-                if (cookie.isNotEmpty()) {
-                    headerMap["Cookie"] += cookie
-                }
-            }
+        if (cookie.isNotEmpty()) {
+            headerMap["Cookie"] += cookie
         }
         headerMap[UA_NAME] = headerMap[UA_NAME] ?: userAgent
         return if (fieldMap.isEmpty()) {
diff --git a/app/src/main/java/io/legado/app/utils/NetworkUtils.kt b/app/src/main/java/io/legado/app/utils/NetworkUtils.kt
index b706a8d5e..4a3e236cb 100644
--- a/app/src/main/java/io/legado/app/utils/NetworkUtils.kt
+++ b/app/src/main/java/io/legado/app/utils/NetworkUtils.kt
@@ -98,6 +98,14 @@ object NetworkUtils {
         } else url.substring(0, index)
     }
 
+   fun getSubDomain(url: String?): String {
+        var baseUrl = getBaseUrl(url)
+        if (baseUrl == null) return ""
+        return if (baseUrl.indexOf(".") == baseUrl.lastIndexOf(".")) {
+            baseUrl.substring(baseUrl.lastIndexOf("/")+1)
+        } else baseUrl.substring(baseUrl.indexOf(".")+1)
+    }
+    
     /**
      * Get local Ip address.
      */