diff --git a/app/src/main/java/io/legado/app/utils/RegexExtensions.kt b/app/src/main/java/io/legado/app/utils/RegexExtensions.kt
index 61ba70e0a..188b1ea9a 100644
--- a/app/src/main/java/io/legado/app/utils/RegexExtensions.kt
+++ b/app/src/main/java/io/legado/app/utils/RegexExtensions.kt
@@ -2,15 +2,11 @@ package io.legado.app.utils
 
 import io.legado.app.exception.RegexTimeoutException
 import io.legado.app.help.CrashHandler
-import kotlinx.coroutines.Dispatchers.IO
-import kotlinx.coroutines.MainScope
-import kotlinx.coroutines.launch
 import kotlinx.coroutines.suspendCancellableCoroutine
 import splitties.init.appCtx
+import kotlin.concurrent.thread
 import kotlin.coroutines.resume
 
-private val scope = MainScope()
-
 /**
  * 带有超时检测的正则替换
  * 超时重启apk,线程不能强制结束,只能重启apk
@@ -18,7 +14,7 @@ private val scope = MainScope()
 suspend fun CharSequence.replace(regex: Regex, replacement: String, timeout: Long): String {
     val charSequence = this
     return suspendCancellableCoroutine { block ->
-        val job = scope.launch(IO) {
+        val thread = thread {
             try {
                 val result = regex.replace(charSequence, replacement)
                 block.resume(result)
@@ -27,14 +23,16 @@ suspend fun CharSequence.replace(regex: Regex, replacement: String, timeout: Lon
             }
         }
         mainHandler.postDelayed({
-            if (job.isActive) {
-                val timeoutMsg = "替换超时,将在3秒后重启应用\n替换规则$regex\n替换内容:${this}"
+            if (thread.isAlive) {
+                val timeoutMsg = "替换超时,3秒后还未结束将重启应用\n替换规则$regex\n替换内容:${this}"
                 val exception = RegexTimeoutException(timeoutMsg)
                 block.cancel(exception)
                 appCtx.longToastOnUi(timeoutMsg)
                 CrashHandler.saveCrashInfo2File(exception)
                 mainHandler.postDelayed({
-                    appCtx.restart()
+                    if (thread.isAlive) {
+                        appCtx.restart()
+                    }
                 }, 3000)
             }
         }, timeout)