diff --git a/app/src/main/java/com/hippo/ehviewer/ui/settings/AboutScreen.kt b/app/src/main/java/com/hippo/ehviewer/ui/settings/AboutScreen.kt
index e7367e47d..16398220a 100644
--- a/app/src/main/java/com/hippo/ehviewer/ui/settings/AboutScreen.kt
+++ b/app/src/main/java/com/hippo/ehviewer/ui/settings/AboutScreen.kt
@@ -1,8 +1,6 @@
 package com.hippo.ehviewer.ui.settings
 
 import android.text.Html
-import android.text.Spanned
-import android.text.style.StrikethroughSpan
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.padding
 import androidx.compose.material.icons.Icons
@@ -18,10 +16,6 @@ import androidx.compose.runtime.remember
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.input.nestedscroll.nestedScroll
 import androidx.compose.ui.res.stringResource
-import androidx.compose.ui.text.AnnotatedString
-import androidx.compose.ui.text.SpanStyle
-import androidx.compose.ui.text.buildAnnotatedString
-import androidx.compose.ui.text.style.TextDecoration
 import com.hippo.ehviewer.BuildConfig
 import com.hippo.ehviewer.R
 import com.hippo.ehviewer.ui.login.LocalNavController
@@ -46,17 +40,6 @@ fun AboutScreen() {
         Column(modifier = Modifier.padding(it).nestedScroll(scrollBehavior.nestedScrollConnection)) {
             Preference(title = stringResource(id = R.string.settings_about_declaration), summary = stringResource(id = R.string.settings_about_declaration_summary))
             val author = stringResource(R.string.settings_about_author_summary).replace('$', '@').let {
-                fun Spanned.toAnnotatedString(): AnnotatedString = buildAnnotatedString {
-                    val spanned = this@toAnnotatedString
-                    append(spanned.toString())
-                    getSpans(0, spanned.length, Any::class.java).forEach { span ->
-                        val start = getSpanStart(span)
-                        val end = getSpanEnd(span)
-                        when (span) {
-                            is StrikethroughSpan -> addStyle(SpanStyle(textDecoration = TextDecoration.LineThrough), start, end)
-                        }
-                    }
-                }
                 remember { Html.fromHtml(it, Html.FROM_HTML_MODE_LEGACY).toAnnotatedString() }
             }
             HtmlPreference(title = stringResource(id = R.string.settings_about_author), summary = author)
diff --git a/app/src/main/java/com/hippo/ehviewer/ui/settings/SpannedHelper.kt b/app/src/main/java/com/hippo/ehviewer/ui/settings/SpannedHelper.kt
new file mode 100644
index 000000000..837179de2
--- /dev/null
+++ b/app/src/main/java/com/hippo/ehviewer/ui/settings/SpannedHelper.kt
@@ -0,0 +1,20 @@
+package com.hippo.ehviewer.ui.settings
+
+import android.text.Spanned
+import android.text.style.StrikethroughSpan
+import androidx.compose.ui.text.AnnotatedString
+import androidx.compose.ui.text.SpanStyle
+import androidx.compose.ui.text.buildAnnotatedString
+import androidx.compose.ui.text.style.TextDecoration
+
+fun Spanned.toAnnotatedString(): AnnotatedString = buildAnnotatedString {
+    val spanned = this@toAnnotatedString
+    append(spanned.toString())
+    getSpans(0, spanned.length, Any::class.java).forEach { span ->
+        val start = getSpanStart(span)
+        val end = getSpanEnd(span)
+        when (span) {
+            is StrikethroughSpan -> addStyle(SpanStyle(textDecoration = TextDecoration.LineThrough), start, end)
+        }
+    }
+}