diff --git a/app/src/main/java/io/legado/app/help/BookHelp.kt b/app/src/main/java/io/legado/app/help/BookHelp.kt
index 97c71f04c..7df2540c5 100644
--- a/app/src/main/java/io/legado/app/help/BookHelp.kt
+++ b/app/src/main/java/io/legado/app/help/BookHelp.kt
@@ -238,7 +238,29 @@ object BookHelp {
     private var bookOrigin: String? = null
     private var replaceRules: List<ReplaceRule> = arrayListOf()
 
-
+    @Synchronized
+    fun upReplaceRules(name: String? = null, origin: String? = null) {
+        if (name != null) {
+            if (bookName != name || bookOrigin != origin) {
+                replaceRules = if (origin.isNullOrEmpty()) {
+                    App.db.replaceRuleDao().findEnabledByScope(name)
+                } else {
+                    App.db.replaceRuleDao().findEnabledByScope(name, origin)
+                }
+                bookName = name
+                bookOrigin = origin
+            }
+        } else {
+            val o = bookOrigin
+            bookName?.let {
+                replaceRules = if (o.isNullOrEmpty()) {
+                    App.db.replaceRuleDao().findEnabledByScope(it)
+                } else {
+                    App.db.replaceRuleDao().findEnabledByScope(it, o)
+                }
+            }
+        }
+    }
 
     fun disposeContent(
         title: String,
@@ -247,23 +269,17 @@ object BookHelp {
         content: String,
         enableReplace: Boolean
     ): String {
-        synchronized(this) {
-            if (enableReplace && (bookName != name || bookOrigin != origin)) {
-                replaceRules = if (origin.isNullOrEmpty()) {
-                    App.db.replaceRuleDao().findEnabledByScope(name)
-                } else {
-                    App.db.replaceRuleDao().findEnabledByScope(name, origin)
-                }
-            }
-        }
         var c = content
-        for (item in replaceRules) {
-            item.pattern.let {
-                if (it.isNotEmpty()) {
-                    c = if (item.isRegex) {
-                        c.replace(it.toRegex(), item.replacement)
-                    } else {
-                        c.replace(it, item.replacement)
+        if (enableReplace) {
+            upReplaceRules(name, origin)
+            for (item in replaceRules) {
+                item.pattern.let {
+                    if (it.isNotEmpty()) {
+                        c = if (item.isRegex) {
+                            c.replace(it.toRegex(), item.replacement)
+                        } else {
+                            c.replace(it, item.replacement)
+                        }
                     }
                 }
             }
diff --git a/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt b/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
index f57a6d067..9b03a4991 100644
--- a/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/book/read/ReadBookActivity.kt
@@ -20,7 +20,9 @@ import io.legado.app.constant.PreferKey
 import io.legado.app.constant.Status
 import io.legado.app.data.entities.Book
 import io.legado.app.data.entities.BookChapter
+import io.legado.app.help.BookHelp
 import io.legado.app.help.ReadBookConfig
+import io.legado.app.help.coroutine.Coroutine
 import io.legado.app.lib.dialogs.alert
 import io.legado.app.lib.dialogs.noButton
 import io.legado.app.lib.dialogs.okButton
@@ -64,6 +66,7 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
     ChangeSourceDialog.CallBack,
     ReadBook.CallBack,
     TocRegexDialog.CallBack,
+    ReplaceEditDialog.CallBack,
     ColorPickerDialogListener {
     private val requestCodeChapterList = 568
     private val requestCodeEditSource = 111
@@ -551,6 +554,10 @@ class ReadBookActivity : VMBaseActivity<ReadBookViewModel>(R.layout.activity_boo
         }
     }
 
+    override fun onReplaceRuleSave() {
+        Coroutine.async { BookHelp.upReplaceRules() }
+    }
+
     override fun showReadStyle() {
         ReadStyleDialog().show(supportFragmentManager, "readStyle")
     }
diff --git a/app/src/main/java/io/legado/app/ui/replacerule/ReplaceRuleActivity.kt b/app/src/main/java/io/legado/app/ui/replacerule/ReplaceRuleActivity.kt
index 7910b9cb8..e5be539c5 100644
--- a/app/src/main/java/io/legado/app/ui/replacerule/ReplaceRuleActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/replacerule/ReplaceRuleActivity.kt
@@ -20,7 +20,9 @@ import io.legado.app.App
 import io.legado.app.R
 import io.legado.app.base.VMBaseActivity
 import io.legado.app.data.entities.ReplaceRule
+import io.legado.app.help.BookHelp
 import io.legado.app.help.ItemTouchCallback
+import io.legado.app.help.coroutine.Coroutine
 import io.legado.app.lib.dialogs.*
 import io.legado.app.lib.theme.ATH
 import io.legado.app.lib.theme.primaryTextColor
@@ -292,6 +294,11 @@ class ReplaceRuleActivity : VMBaseActivity<ReplaceRuleViewModel>(R.layout.activi
         }
     }
 
+    override fun onDestroy() {
+        super.onDestroy()
+        Coroutine.async { BookHelp.upReplaceRules() }
+    }
+
     override fun upCountView() {
         select_action_bar.upCountView(adapter.getSelection().size, adapter.getActualItemCount())
     }
diff --git a/app/src/main/java/io/legado/app/ui/replacerule/edit/ReplaceEditDialog.kt b/app/src/main/java/io/legado/app/ui/replacerule/edit/ReplaceEditDialog.kt
index de5002931..71026502e 100644
--- a/app/src/main/java/io/legado/app/ui/replacerule/edit/ReplaceEditDialog.kt
+++ b/app/src/main/java/io/legado/app/ui/replacerule/edit/ReplaceEditDialog.kt
@@ -68,6 +68,7 @@ class ReplaceEditDialog : DialogFragment(),
         when (item?.itemId) {
             R.id.menu_save -> {
                 viewModel.save(getReplaceRule()) {
+                    callBack?.onReplaceRuleSave()
                     dismiss()
                 }
             }
@@ -94,4 +95,10 @@ class ReplaceEditDialog : DialogFragment(),
         replaceRule.scope = et_scope.text.toString()
         return replaceRule
     }
+
+    val callBack = activity as? CallBack
+
+    interface CallBack {
+        fun onReplaceRuleSave()
+    }
 }