diff --git a/bottom-navigation/src/main/java/com/chenshixin/bottomnavigation/BottomNavigationBar.kt b/bottom-navigation/src/main/java/com/chenshixin/bottomnavigation/BottomNavigationBar.kt
index 63d4156..78b2696 100644
--- a/bottom-navigation/src/main/java/com/chenshixin/bottomnavigation/BottomNavigationBar.kt
+++ b/bottom-navigation/src/main/java/com/chenshixin/bottomnavigation/BottomNavigationBar.kt
@@ -69,6 +69,8 @@ class BottomNavigationBar(context: Context, attrs: AttributeSet) : FrameLayout(c
         if (items.isEmpty()) {
             return
         }
+        tabs.clear()
+        bottom_navigation_bar_item_container.removeAllViews()
         //TODO parse xml here
         ViewCompat.setElevation(this, 24F)
         bottom_navigation_bar_item_container.removeAllViews()
diff --git a/bottom-navigation/src/main/java/com/chenshixin/bottomnavigation/BottomNavigationTab.kt b/bottom-navigation/src/main/java/com/chenshixin/bottomnavigation/BottomNavigationTab.kt
index 07c8bb5..2f08d7e 100644
--- a/bottom-navigation/src/main/java/com/chenshixin/bottomnavigation/BottomNavigationTab.kt
+++ b/bottom-navigation/src/main/java/com/chenshixin/bottomnavigation/BottomNavigationTab.kt
@@ -9,6 +9,7 @@ import android.view.LayoutInflater
 import android.view.View
 import android.view.ViewGroup
 import android.widget.FrameLayout
+import android.widget.LinearLayout
 import kotlinx.android.synthetic.main.bottom_navigation_tab.view.*
 
 /**
@@ -40,7 +41,8 @@ class BottomNavigationTab(item: BottomNavigationItem, itemWidth: Int, val titleC
 
     init {
         LayoutInflater.from(context).inflate(R.layout.bottom_navigation_tab, this, true)
-        val params = ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.MATCH_PARENT)
+        val params = LinearLayout.LayoutParams(0, ViewGroup.LayoutParams.MATCH_PARENT)
+        params.weight = 1F
         params.width = itemWidth
         layoutParams = params
         setBadgeNumber(item.number)