diff --git a/LunaTranslator/LunaTranslator/gui/setting_display_text.py b/LunaTranslator/LunaTranslator/gui/setting_display_text.py
index e37df856..c4748785 100644
--- a/LunaTranslator/LunaTranslator/gui/setting_display_text.py
+++ b/LunaTranslator/LunaTranslator/gui/setting_display_text.py
@@ -13,9 +13,11 @@ from gui.usefulwidget import (
     getQMessageBox,
     D_getspinbox,
     D_getIconButton,
+    getboxlayout,
     D_getcolorbutton,
     getcolorbutton,
     MySwitch,
+    getsimpleswitch,
     D_getsimpleswitch,
     selectcolor,
     listediter,
@@ -246,8 +248,17 @@ def resetgroudswitchcallback(self, group):
     self.seletengeinecombo.lastindex = self.seletengeinecombo.currentIndex()
     if group == "webview" or group == "QWebEngine":
         _btn = LPushButton("额外的html")
-        self.goodfontsettingsformlayout.addRow(_btn)
         _btn.clicked.connect(lambda: extrahtml(self))
+        switch = getsimpleswitch(
+            globalconfig,
+            "useextrahtml",
+            callback=lambda x: [
+                gobject.baseobject.translation_ui.translate_text.textbrowser.loadextra(0),
+                _btn.setEnabled(x),
+            ],
+        )
+        _btn.setEnabled(globalconfig["useextrahtml"])
+        self.goodfontsettingsformlayout.addRow(getboxlayout([_btn, switch]))
     if group == "QWebEngine":
         group = "webview"
     __form = LFormLayout()
diff --git a/LunaTranslator/LunaTranslator/rendertext/webview.py b/LunaTranslator/LunaTranslator/rendertext/webview.py
index 183516fa..508dd02c 100644
--- a/LunaTranslator/LunaTranslator/rendertext/webview.py
+++ b/LunaTranslator/LunaTranslator/rendertext/webview.py
@@ -109,10 +109,10 @@ class TextBrowser(QWidget, dataget):
         if not isinstance(self.webivewwidget, WebivewWidget):
             return
         self.isfirst = False
-        self.__loadextra(0)
-        self.webivewwidget.on_load.connect(self.__loadextra)
+        self.loadextra(0)
+        self.webivewwidget.on_load.connect(self.loadextra)
 
-    def __loadextra(self, _):
+    def loadextra(self, _):
         for _ in [
             "userconfig/extrahtml.html",
             r"LunaTranslator\rendertext\exampleextrahtml.html",
@@ -136,6 +136,9 @@ class TextBrowser(QWidget, dataget):
         self.debugeval(f"clear_all()")
 
     def set_extra_html(self, html):
+        if not globalconfig["useextrahtml"]:
+            self.debugeval(f'set_extra_html("")')
+            return
         html = quote(html)
         self.debugeval(f'set_extra_html("{html}")')
 
diff --git a/LunaTranslator/files/defaultconfig/config.json b/LunaTranslator/files/defaultconfig/config.json
index 2f402f0c..e6834382 100644
--- a/LunaTranslator/files/defaultconfig/config.json
+++ b/LunaTranslator/files/defaultconfig/config.json
@@ -17,6 +17,7 @@
     "read_translator": 0,
     "disappear_delay": 5,
     "network": 1,
+    "useextrahtml": true,
     "network_websocket": 1,
     "webview_textbrowser": false,
     "imagewrapmode": 0,