diff --git a/app/src/main/java/io/legado/app/help/ContentProcessor.kt b/app/src/main/java/io/legado/app/help/ContentProcessor.kt
index b8787242b..f0c44273a 100644
--- a/app/src/main/java/io/legado/app/help/ContentProcessor.kt
+++ b/app/src/main/java/io/legado/app/help/ContentProcessor.kt
@@ -5,8 +5,6 @@ import io.legado.app.data.appDb
 import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.ReplaceRule
 import io.legado.app.utils.toastOnUi
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.withContext
 import splitties.init.appCtx
 
 class ContentProcessor(private val bookName: String, private val bookOrigin: String) {
@@ -23,7 +21,8 @@ class ContentProcessor(private val bookName: String, private val bookOrigin: Str
         replaceRules.addAll(appDb.replaceRuleDao.findEnabledByScope(bookName, bookOrigin))
     }
 
-    suspend fun getContent(
+    @Synchronized
+    fun getContent(
         book: Book,
         title: String, //已经经过简繁转换
         content: String,
@@ -41,9 +40,7 @@ class ContentProcessor(private val bookName: String, private val bookOrigin: Str
                             content1.replace(item.pattern, item.replacement)
                         }
                     } catch (e: Exception) {
-                        withContext(Dispatchers.Main) {
-                            appCtx.toastOnUi("${item.name}替换出错")
-                        }
+                        appCtx.toastOnUi("${item.name}替换出错")
                     }
                 }
             }
@@ -58,9 +55,7 @@ class ContentProcessor(private val bookName: String, private val bookOrigin: Str
                     2 -> content1 = HanLP.convertToTraditionalChinese(content1)
                 }
             } catch (e: Exception) {
-                withContext(Dispatchers.Main) {
-                    appCtx.toastOnUi("简繁转换出错")
-                }
+                appCtx.toastOnUi("简繁转换出错")
             }
         }
         val contents = arrayListOf<String>()