From 385843dc068543527003dd8b29ef590668ce42d0 Mon Sep 17 00:00:00 2001
From: GKF <gekunfei@live.com>
Date: Thu, 6 Jun 2019 09:04:52 +0800
Subject: [PATCH] up

---
 .../java/io/legado/app/ui/main/myconfig/MyConfigFragment.kt  | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/app/src/main/java/io/legado/app/ui/main/myconfig/MyConfigFragment.kt b/app/src/main/java/io/legado/app/ui/main/myconfig/MyConfigFragment.kt
index 1b524c255..f54a7243b 100644
--- a/app/src/main/java/io/legado/app/ui/main/myconfig/MyConfigFragment.kt
+++ b/app/src/main/java/io/legado/app/ui/main/myconfig/MyConfigFragment.kt
@@ -14,7 +14,10 @@ class MyConfigFragment : BaseFragment(R.layout.fragment_my_config) {
 
     override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
         setSupportToolbar(toolbar)
-        childFragmentManager.beginTransaction().add(R.id.pre_fragment, PreferenceFragment()).commit()
+        val fragmentTag = "prefFragment"
+        var preferenceFragment = childFragmentManager.findFragmentByTag(fragmentTag)
+        if (preferenceFragment == null) preferenceFragment = PreferenceFragment()
+        childFragmentManager.beginTransaction().replace(R.id.pre_fragment, preferenceFragment, fragmentTag).commit()
     }
 
     override fun onCompatCreateOptionsMenu(menu: Menu) {