diff --git a/app/src/main/java/io/legado/app/ui/replace/ReplaceRuleActivity.kt b/app/src/main/java/io/legado/app/ui/replace/ReplaceRuleActivity.kt
index e608dfe5a..95f0d69db 100644
--- a/app/src/main/java/io/legado/app/ui/replace/ReplaceRuleActivity.kt
+++ b/app/src/main/java/io/legado/app/ui/replace/ReplaceRuleActivity.kt
@@ -15,7 +15,6 @@ import androidx.recyclerview.widget.ItemTouchHelper
 import androidx.recyclerview.widget.LinearLayoutManager
 import io.legado.app.R
 import io.legado.app.base.VMBaseActivity
-import io.legado.app.constant.AppLog
 import io.legado.app.data.appDb
 import io.legado.app.data.entities.ReplaceRule
 import io.legado.app.databinding.ActivityReplaceRuleBinding
@@ -46,13 +45,7 @@ import io.legado.app.utils.splitNotBlank
 import io.legado.app.utils.toastOnUi
 import io.legado.app.utils.transaction
 import io.legado.app.utils.viewbindingdelegate.viewBinding
-import kotlinx.coroutines.Dispatchers.IO
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.flow.catch
 import kotlinx.coroutines.flow.collectLatest
-import kotlinx.coroutines.flow.conflate
-import kotlinx.coroutines.flow.flowOn
 import kotlinx.coroutines.launch
 
 /**
diff --git a/app/src/main/java/io/legado/app/ui/replace/ReplaceRuleViewModel.kt b/app/src/main/java/io/legado/app/ui/replace/ReplaceRuleViewModel.kt
index 63a3cbb1c..97b583b41 100644
--- a/app/src/main/java/io/legado/app/ui/replace/ReplaceRuleViewModel.kt
+++ b/app/src/main/java/io/legado/app/ui/replace/ReplaceRuleViewModel.kt
@@ -4,7 +4,6 @@ import android.app.Application
 import android.text.TextUtils
 import io.legado.app.R
 import io.legado.app.base.BaseViewModel
-import io.legado.app.constant.AppLog
 import io.legado.app.constant.PreferKey
 import io.legado.app.data.appDb
 import io.legado.app.data.entities.ReplaceRule
@@ -13,10 +12,8 @@ import io.legado.app.utils.putPrefString
 import io.legado.app.utils.splitNotBlank
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.ExperimentalCoroutinesApi
-import kotlinx.coroutines.flow.Flow
 import kotlinx.coroutines.flow.MutableStateFlow
 import kotlinx.coroutines.flow.StateFlow
-import kotlinx.coroutines.flow.catch
 import kotlinx.coroutines.flow.combine
 import kotlinx.coroutines.flow.flatMapLatest
 import kotlinx.coroutines.flow.flowOn