diff --git a/app/src/main/java/io/legado/app/ui/book/import/BaseImportBookActivity.kt b/app/src/main/java/io/legado/app/ui/book/import/BaseImportBookActivity.kt
index 182f6361f..ebdbaae43 100644
--- a/app/src/main/java/io/legado/app/ui/book/import/BaseImportBookActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/import/BaseImportBookActivity.kt
@@ -25,7 +25,6 @@ abstract class BaseImportBookActivity<VB : ViewBinding, VM : ViewModel> : VMBase
      * 设置书籍保存位置
      */
     protected suspend fun setBookStorage() = suspendCoroutine { block ->
-        AppConfig.defaultBookTreeUri = ""
         localBookTreeSelectListener = {
             block.resume(it)
         }
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 a70a31536..24a3f0581 100644
--- a/app/src/main/java/io/legado/app/utils/RegexExtensions.kt
+++ b/app/src/main/java/io/legado/app/utils/RegexExtensions.kt
@@ -1,59 +1,35 @@
 package io.legado.app.utils
 
-import androidx.core.os.postDelayed
 import com.script.SimpleBindings
 import io.legado.app.constant.AppConst
 import io.legado.app.exception.RegexTimeoutException
-import io.legado.app.help.CrashHandler
-import kotlinx.coroutines.suspendCancellableCoroutine
-import kotlin.coroutines.resume
-import kotlin.coroutines.resumeWithException
-
-private val handler by lazy { buildMainHandler() }
 
 /**
  * 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
  */
-suspend fun CharSequence.replace(regex: Regex, replacement: String, timeout: Long): String {
+fun CharSequence.replace(regex: Regex, replacement: String, timeout: Long): String {
     val charSequence = this
-    return suspendCancellableCoroutine { block ->
-        val thread = Thread {
-            try {
-                if (replacement.startsWith("@js:")) {
-                    val js = replacement.substring(4)
-                    val pattern = regex.toPattern()
-                    val matcher = pattern.matcher(charSequence)
-                    val stringBuffer = StringBuffer()
-                    while (matcher.find()) {
-                        val bindings = SimpleBindings()
-                        bindings["result"] = matcher.group()
-                        val jsResult = AppConst.SCRIPT_ENGINE.eval(js, bindings).toString()
-                        matcher.appendReplacement(stringBuffer, jsResult)
-                    }
-                    matcher.appendTail(stringBuffer)
-                    block.resume(stringBuffer.toString())
-                } else {
-                    val result = regex.replace(charSequence, replacement)
-                    block.resume(result)
-                }
-            } catch (e: Exception) {
-                block.resumeWithException(e)
-            }
+    val startTime = System.currentTimeMillis()
+    val isJs = replacement.startsWith("@js:")
+    val replacement1 = if (isJs) replacement.substring(4) else replacement
+    val pattern = regex.toPattern()
+    val matcher = pattern.matcher(charSequence)
+    val stringBuffer = StringBuffer()
+    while (matcher.find()) {
+        if (System.currentTimeMillis() - startTime > timeout) {
+            val timeoutMsg = "替换超时,将禁用替换规则"
+            throw RegexTimeoutException(timeoutMsg)
         }
-        thread.start()
-        handler.postDelayed(timeout) {
-            if (thread.isAlive) {
-                runCatching {
-                    @Suppress("DEPRECATION")
-                    thread.stop()
-                }
-                val timeoutMsg = "替换超时,将禁用替换规则"
-                val exception = RegexTimeoutException(timeoutMsg)
-                block.cancel(exception)
-                CrashHandler.saveCrashInfo2File(exception)
-            }
+        if (isJs) {
+            val bindings = SimpleBindings()
+            bindings["result"] = matcher.group()
+            val jsResult = AppConst.SCRIPT_ENGINE.eval(replacement1, bindings).toString()
+            matcher.appendReplacement(stringBuffer, jsResult)
+        } else {
+            matcher.appendReplacement(stringBuffer, replacement1)
         }
     }
+    matcher.appendTail(stringBuffer)
+    return stringBuffer.toString()
 }