diff --git a/app/src/main/java/io/legado/app/ui/browser/WebViewActivity.kt b/app/src/main/java/io/legado/app/ui/browser/WebViewActivity.kt
index 504dbb6bb..63d22f039 100644
--- a/app/src/main/java/io/legado/app/ui/browser/WebViewActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/browser/WebViewActivity.kt
@@ -11,8 +11,6 @@ import android.view.View
 import android.webkit.*
 import androidx.activity.viewModels
 import androidx.core.view.size
-import androidx.webkit.WebSettingsCompat
-import androidx.webkit.WebViewFeature
 import io.legado.app.R
 import io.legado.app.base.VMBaseActivity
 import io.legado.app.constant.AppConst
@@ -87,6 +85,7 @@ class WebViewActivity : VMBaseActivity<ActivityWebViewBinding, WebViewModel>() {
         binding.webView.webChromeClient = CustomWebChromeClient()
         binding.webView.webViewClient = CustomWebViewClient()
         binding.webView.settings.apply {
+            setDarkeningAllowed(AppConfig.isNightTheme)
             mixedContentMode = WebSettings.MIXED_CONTENT_ALWAYS_ALLOW
             domStorageEnabled = true
             allowContentAccess = true
@@ -100,7 +99,6 @@ class WebViewActivity : VMBaseActivity<ActivityWebViewBinding, WebViewModel>() {
         val cookieManager = CookieManager.getInstance()
         cookieManager.setCookie(url, CookieStore.getCookie(url))
         binding.webView.addJavascriptInterface(this, "app")
-        upWebViewTheme()
         binding.webView.setOnLongClickListener {
             val hitTestResult = binding.webView.hitTestResult
             if (hitTestResult.type == WebView.HitTestResult.IMAGE_TYPE ||
@@ -122,25 +120,6 @@ class WebViewActivity : VMBaseActivity<ActivityWebViewBinding, WebViewModel>() {
         }
     }
 
-    private fun upWebViewTheme() {
-        if (AppConfig.isNightTheme) {
-            if (WebViewFeature.isFeatureSupported(WebViewFeature.FORCE_DARK_STRATEGY)) {
-                @Suppress("DEPRECATION")
-                WebSettingsCompat.setForceDarkStrategy(
-                    binding.webView.settings,
-                    WebSettingsCompat.DARK_STRATEGY_PREFER_WEB_THEME_OVER_USER_AGENT_DARKENING
-                )
-            }
-            if (WebViewFeature.isFeatureSupported(WebViewFeature.FORCE_DARK)) {
-                @Suppress("DEPRECATION")
-                WebSettingsCompat.setForceDark(
-                    binding.webView.settings,
-                    WebSettingsCompat.FORCE_DARK_ON
-                )
-            }
-        }
-    }
-
     private fun saveImage(webPic: String) {
         this.webPic = webPic
         val path = ACache.get().getAsString(imagePathKey)
@@ -227,8 +206,7 @@ class WebViewActivity : VMBaseActivity<ActivityWebViewBinding, WebViewModel>() {
             return true
         }
 
-        @Deprecated("Deprecated in Java")
-        @Suppress("DEPRECATION")
+        @Suppress("DEPRECATION", "OVERRIDE_DEPRECATION", "KotlinRedundantDiagnosticSuppress")
         override fun shouldOverrideUrlLoading(view: WebView?, url: String?): Boolean {
             url?.let {
                 return shouldOverrideUrlLoading(Uri.parse(it))
diff --git a/app/src/main/java/io/legado/app/ui/rss/read/ReadRssActivity.kt b/app/src/main/java/io/legado/app/ui/rss/read/ReadRssActivity.kt
index ca680ea50..f8685da13 100644
--- a/app/src/main/java/io/legado/app/ui/rss/read/ReadRssActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/rss/read/ReadRssActivity.kt
@@ -4,14 +4,11 @@ import android.annotation.SuppressLint
 import android.content.pm.ActivityInfo
 import android.content.res.Configuration
 import android.net.Uri
-import android.os.Build
 import android.os.Bundle
 import android.view.*
 import android.webkit.*
 import androidx.activity.viewModels
 import androidx.core.view.size
-import androidx.webkit.WebSettingsCompat
-import androidx.webkit.WebViewFeature
 import io.legado.app.R
 import io.legado.app.base.VMBaseActivity
 import io.legado.app.constant.AppConst
@@ -128,9 +125,9 @@ class ReadRssActivity : VMBaseActivity<ActivityRssReadBinding, ReadRssViewModel>
             domStorageEnabled = true
             allowContentAccess = true
             builtInZoomControls = true
+            setDarkeningAllowed(AppConfig.isNightTheme)
         }
         binding.webView.addJavascriptInterface(this, "app")
-        upWebViewTheme()
         binding.webView.setOnLongClickListener {
             val hitTestResult = binding.webView.hitTestResult
             if (hitTestResult.type == WebView.HitTestResult.IMAGE_TYPE ||
@@ -217,29 +214,6 @@ class ReadRssActivity : VMBaseActivity<ActivityRssReadBinding, ReadRssViewModel>
         }
     }
 
-    @SuppressLint("RequiresFeature")
-    private fun upWebViewTheme() {
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
-            WebSettingsCompat.setAlgorithmicDarkeningAllowed(binding.webView.settings, AppConfig.isNightTheme)
-        }
-        if (AppConfig.isNightTheme) {
-            if (WebViewFeature.isFeatureSupported(WebViewFeature.FORCE_DARK_STRATEGY)) {
-                @Suppress("DEPRECATION")
-                WebSettingsCompat.setForceDarkStrategy(
-                    binding.webView.settings,
-                    WebSettingsCompat.DARK_STRATEGY_PREFER_WEB_THEME_OVER_USER_AGENT_DARKENING
-                )
-            }
-            if (WebViewFeature.isFeatureSupported(WebViewFeature.FORCE_DARK)) {
-                @Suppress("DEPRECATION")
-                WebSettingsCompat.setForceDark(
-                    binding.webView.settings,
-                    WebSettingsCompat.FORCE_DARK_ON
-                )
-            }
-        }
-    }
-
     override fun upStarMenu() {
         if (viewModel.rssStar != null) {
             starMenuItem?.setIcon(R.drawable.ic_star)
@@ -345,7 +319,7 @@ class ReadRssActivity : VMBaseActivity<ActivityRssReadBinding, ReadRssViewModel>
             return true
         }
 
-        @Suppress("DEPRECATION", "OVERRIDE_DEPRECATION")
+        @Suppress("DEPRECATION", "OVERRIDE_DEPRECATION", "KotlinRedundantDiagnosticSuppress")
         override fun shouldOverrideUrlLoading(view: WebView?, url: String?): Boolean {
             url?.let {
                 return shouldOverrideUrlLoading(Uri.parse(it))
diff --git a/app/src/main/java/io/legado/app/utils/WebSettingsExtensions.kt b/app/src/main/java/io/legado/app/utils/WebSettingsExtensions.kt
new file mode 100644
index 000000000..980bd294d
--- /dev/null
+++ b/app/src/main/java/io/legado/app/utils/WebSettingsExtensions.kt
@@ -0,0 +1,33 @@
+package io.legado.app.utils
+
+import android.annotation.SuppressLint
+import android.os.Build
+import android.webkit.WebSettings
+import androidx.webkit.WebSettingsCompat
+import androidx.webkit.WebViewFeature
+import io.legado.app.help.config.AppConfig
+
+/**
+ * 设置是否夜间模式
+ */
+@SuppressLint("RequiresFeature")
+fun WebSettings.setDarkeningAllowed(allow: Boolean) {
+    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
+        WebSettingsCompat.setAlgorithmicDarkeningAllowed(this, allow)
+    } else if (AppConfig.isNightTheme) {
+        if (WebViewFeature.isFeatureSupported(WebViewFeature.FORCE_DARK_STRATEGY)) {
+            @Suppress("DEPRECATION")
+            WebSettingsCompat.setForceDarkStrategy(
+                this,
+                WebSettingsCompat.DARK_STRATEGY_PREFER_WEB_THEME_OVER_USER_AGENT_DARKENING
+            )
+        }
+        if (WebViewFeature.isFeatureSupported(WebViewFeature.FORCE_DARK)) {
+            @Suppress("DEPRECATION")
+            WebSettingsCompat.setForceDark(
+                this,
+                WebSettingsCompat.FORCE_DARK_ON
+            )
+        }
+    }
+}
\ No newline at end of file