diff --git a/OCH/mogo-och-charter-passenger/src/main/java/com/mogo/och/bus/passenger/ui/dialogfragment/M1ContainFragment.kt b/OCH/mogo-och-charter-passenger/src/main/java/com/mogo/och/bus/passenger/ui/dialogfragment/M1ContainFragment.kt
index 58a05976a0..04e4d23ed1 100644
--- a/OCH/mogo-och-charter-passenger/src/main/java/com/mogo/och/bus/passenger/ui/dialogfragment/M1ContainFragment.kt
+++ b/OCH/mogo-och-charter-passenger/src/main/java/com/mogo/och/bus/passenger/ui/dialogfragment/M1ContainFragment.kt
@@ -34,6 +34,11 @@ class M1ContainFragment :
     var fragmentTag: String = M1VideoFragment.TAG
     var fragment: Fragment? = null
 
+    var videoFragment:M1VideoFragment? = null
+    var softFragment:M1SoftFragment? = null
+    var orderInfoFragment:OrderInfoFragment? = null
+    var orderLineFragment:M1OrderLineFragment? = null
+
     override fun onCreate(savedInstanceState: Bundle?) {
         CallerLogger.d(M_BUS_P+ TAG, "onCreate")
         super.onCreate(savedInstanceState)
@@ -50,29 +55,45 @@ class M1ContainFragment :
         CallerLogger.d(M_BUS_P+ TAG, "setCheckView")
         when (tab) {
             VIDEOTAB -> {
-                fragment = childFragmentManager.findFragmentByTag(M1VideoFragment.TAG)
+                fragment =videoFragment
+                    ?: childFragmentManager.findFragmentByTag(M1VideoFragment.TAG)
                     ?: M1VideoFragment.newInstance()
+                if(videoFragment==null&&fragment is M1VideoFragment){
+                    videoFragment = fragment as M1VideoFragment
+                }
                 bb_bottom_bar.setCheckIndex(BottomBar.SelectView.VIDEO)
                 cl_container.setBackgroundResource(R.drawable.m1_function_bg)
                 fragmentTag = M1VideoFragment.TAG
             }
             SETTINGSOFTTAB -> {
-                fragment = childFragmentManager.findFragmentByTag(M1SoftFragment.TAG)
+                fragment =softFragment
+                    ?: childFragmentManager.findFragmentByTag(M1SoftFragment.TAG)
                     ?: M1SoftFragment.newInstance()
+                if(softFragment==null&&fragment is M1SoftFragment){
+                    softFragment = fragment as M1SoftFragment
+                }
                 bb_bottom_bar.setCheckIndex(BottomBar.SelectView.SETTING)
                 cl_container.setBackgroundResource(R.drawable.m1_function_bg)
                 fragmentTag = M1SoftFragment.TAG
             }
             ORDERINFO -> {
-                fragment = childFragmentManager.findFragmentByTag(OrderInfoFragment.TAG)
+                fragment =orderInfoFragment
+                    ?: childFragmentManager.findFragmentByTag(OrderInfoFragment.TAG)
                     ?: OrderInfoFragment.newInstance()
+                if(orderInfoFragment==null&&fragment is OrderInfoFragment){
+                    orderInfoFragment = fragment as OrderInfoFragment
+                }
                 bb_bottom_bar.setCheckIndex(BottomBar.SelectView.ORDERINFO)
                 cl_container.background = null
                 fragmentTag = OrderInfoFragment.TAG
             }
             SELECTLINE ->{
-                fragment = childFragmentManager.findFragmentByTag(M1OrderLineFragment.TAG)
+                fragment =orderLineFragment
+                    ?: childFragmentManager.findFragmentByTag(M1OrderLineFragment.TAG)
                     ?: M1OrderLineFragment.newInstance()
+                if(orderLineFragment==null&&fragment is M1OrderLineFragment){
+                    orderLineFragment = fragment as M1OrderLineFragment
+                }
                 bb_bottom_bar.setCheckIndex(BottomBar.SelectView.LINE)
                 cl_container.background = null
                 fragmentTag = M1OrderLineFragment.TAG