diff --git a/app/src/main/java/io/legado/app/base/BaseFragment.kt b/app/src/main/java/io/legado/app/base/BaseFragment.kt
index 1f3ff2dcb..d870939d0 100644
--- a/app/src/main/java/io/legado/app/base/BaseFragment.kt
+++ b/app/src/main/java/io/legado/app/base/BaseFragment.kt
@@ -1,29 +1,40 @@
 package io.legado.app.base
 
-import android.view.Menu
-import android.view.MenuInflater
-import android.view.MenuItem
+import android.os.Bundle
+import android.view.*
 import androidx.appcompat.view.SupportMenuInflater
 import androidx.appcompat.widget.Toolbar
 import androidx.fragment.app.Fragment
 import io.legado.app.utils.applyTint
 import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.MainScope
-import kotlinx.coroutines.cancel
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.Job
+import kotlin.coroutines.CoroutineContext
 
 abstract class BaseFragment(layoutID: Int) : Fragment(layoutID),
-    CoroutineScope by MainScope() {
-
+    CoroutineScope {
+    lateinit var job: Job
     var supportToolbar: Toolbar? = null
         private set
 
     val menuInflater: MenuInflater
         get() = SupportMenuInflater(requireContext())
 
+    override val coroutineContext: CoroutineContext
+        get() = job + Dispatchers.Main
+
+    override fun onCreateView(
+        inflater: LayoutInflater,
+        container: ViewGroup?,
+        savedInstanceState: Bundle?
+    ): View? {
+        job = Job()
+        return super.onCreateView(inflater, container, savedInstanceState)
+    }
 
     override fun onDestroy() {
         super.onDestroy()
-        cancel()
+        job.cancel()
     }
 
     fun setSupportToolbar(toolbar: Toolbar) {